diff --git a/.circleci/config.yml b/.circleci/config.yml
index 55e05592..7e75d74f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ jobs:
   build:
     working_directory: ~/repo
     docker:
-      - image: circleci/node:latest
+      - image: cimg/node:16.17.0
     steps:
       - checkout
       - run: ./scripts/ci.sh
diff --git a/package.json b/package.json
index a55d13ac..2e21c624 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
     "@types/jest": "26.0.14",
     "@types/node": "13.11.1",
     "benchmark": "2.1.4",
-    "bmp-js": "0.1.0",
     "canvas": "2.6.1",
     "commitizen": "4.2.1",
     "core-js": "3.6.5",
diff --git a/scripts/ci.sh b/scripts/ci.sh
index 47878895..bb3554f8 100755
--- a/scripts/ci.sh
+++ b/scripts/ci.sh
@@ -4,6 +4,9 @@
 #
 set -euo pipefail
 
+sudo apt-get update
+sudo apt-get install -y build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
+
 # Install dependencies
 ADBLOCK=1 yarn
 
diff --git a/spec/e2e/__snapshots__/ivc.spec.ts.snap b/spec/e2e/__snapshots__/ivc.spec.ts.snap
index ba2a24e5..0873f1b0 100644
--- a/spec/e2e/__snapshots__/ivc.spec.ts.snap
+++ b/spec/e2e/__snapshots__/ivc.spec.ts.snap
@@ -3,400 +3,400 @@
 exports[`IVC should match stored mssims (bezkrovny) - rgb int 3`] = `
 Object {
   "avion.bmp": 1,
-  "avion_j2000_r1.bmp": 0.983,
-  "avion_j2000_r2.bmp": 0.959,
+  "avion_j2000_r1.bmp": 0.984,
+  "avion_j2000_r2.bmp": 0.965,
   "avion_j2000_r3.bmp": 0.937,
-  "avion_j2000_r4.bmp": 0.928,
-  "avion_j2000_r5.bmp": 0.881,
-  "avion_jpeg_r1.bmp": 0.936,
-  "avion_jpeg_r2.bmp": 0.929,
-  "avion_jpeg_r3.bmp": 0.912,
-  "avion_jpeg_r4.bmp": 0.901,
-  "avion_jpeg_r5.bmp": 0.877,
+  "avion_j2000_r4.bmp": 0.927,
+  "avion_j2000_r5.bmp": 0.873,
+  "avion_jpeg_r1.bmp": 0.974,
+  "avion_jpeg_r2.bmp": 0.967,
+  "avion_jpeg_r3.bmp": 0.951,
+  "avion_jpeg_r4.bmp": 0.936,
+  "avion_jpeg_r5.bmp": 0.904,
   "barba.bmp": 1,
-  "barba_flou_f1.bmp": 0.985,
-  "barba_flou_f2.bmp": 0.928,
-  "barba_flou_f3.bmp": 0.876,
-  "barba_flou_f4.bmp": 0.84,
-  "barba_flou_f5.bmp": 0.817,
-  "barba_j2000_r1.bmp": 0.975,
-  "barba_j2000_r2.bmp": 0.961,
-  "barba_j2000_r3.bmp": 0.934,
-  "barba_j2000_r4.bmp": 0.898,
-  "barba_j2000_r5.bmp": 0.823,
-  "barba_jpeg_lumichr_r1.bmp": 0.974,
-  "barba_jpeg_lumichr_r2.bmp": 0.955,
-  "barba_jpeg_lumichr_r3.bmp": 0.918,
-  "barba_jpeg_lumichr_r4.bmp": 0.874,
-  "barba_jpeg_lumichr_r5.bmp": 0.845,
-  "barba_jpeg_r1.bmp": 0.953,
-  "barba_jpeg_r2.bmp": 0.936,
-  "barba_jpeg_r3.bmp": 0.911,
-  "barba_jpeg_r4.bmp": 0.882,
-  "barba_jpeg_r5.bmp": 0.843,
-  "barba_lar_r1.bmp": 0.839,
-  "barba_lar_r2.bmp": 0.876,
-  "barba_lar_r3.bmp": 0.916,
-  "barba_lar_r4.bmp": 0.947,
-  "barba_lar_r5.bmp": 0.958,
+  "barba_flou_f1.bmp": 0.983,
+  "barba_flou_f2.bmp": 0.918,
+  "barba_flou_f3.bmp": 0.86,
+  "barba_flou_f4.bmp": 0.82,
+  "barba_flou_f5.bmp": 0.794,
+  "barba_j2000_r1.bmp": 0.985,
+  "barba_j2000_r2.bmp": 0.973,
+  "barba_j2000_r3.bmp": 0.947,
+  "barba_j2000_r4.bmp": 0.915,
+  "barba_j2000_r5.bmp": 0.83,
+  "barba_jpeg_lumichr_r1.bmp": 0.981,
+  "barba_jpeg_lumichr_r2.bmp": 0.966,
+  "barba_jpeg_lumichr_r3.bmp": 0.934,
+  "barba_jpeg_lumichr_r4.bmp": 0.897,
+  "barba_jpeg_lumichr_r5.bmp": 0.869,
+  "barba_jpeg_r1.bmp": 0.976,
+  "barba_jpeg_r2.bmp": 0.961,
+  "barba_jpeg_r3.bmp": 0.936,
+  "barba_jpeg_r4.bmp": 0.915,
+  "barba_jpeg_r5.bmp": 0.883,
+  "barba_lar_r1.bmp": 0.82,
+  "barba_lar_r2.bmp": 0.865,
+  "barba_lar_r3.bmp": 0.911,
+  "barba_lar_r4.bmp": 0.952,
+  "barba_lar_r5.bmp": 0.966,
   "boats.bmp": 1,
-  "boats_flou_f1.bmp": 0.979,
-  "boats_flou_f2.bmp": 0.957,
-  "boats_flou_f3.bmp": 0.932,
-  "boats_flou_f4.bmp": 0.851,
-  "boats_flou_f5.bmp": 0.81,
-  "boats_j2000_r1.bmp": 0.972,
-  "boats_j2000_r2.bmp": 0.952,
-  "boats_j2000_r3.bmp": 0.927,
-  "boats_j2000_r4.bmp": 0.904,
-  "boats_j2000_r5.bmp": 0.856,
-  "boats_jpeg_r1.bmp": 0.951,
-  "boats_jpeg_r2.bmp": 0.94,
-  "boats_jpeg_r3.bmp": 0.917,
-  "boats_jpeg_r4.bmp": 0.899,
-  "boats_jpeg_r5.bmp": 0.867,
-  "boats_lar_r1.bmp": 0.863,
-  "boats_lar_r2.bmp": 0.911,
-  "boats_lar_r3.bmp": 0.923,
+  "boats_flou_f1.bmp": 0.977,
+  "boats_flou_f2.bmp": 0.952,
+  "boats_flou_f3.bmp": 0.922,
+  "boats_flou_f4.bmp": 0.825,
+  "boats_flou_f5.bmp": 0.777,
+  "boats_j2000_r1.bmp": 0.98,
+  "boats_j2000_r2.bmp": 0.963,
+  "boats_j2000_r3.bmp": 0.936,
+  "boats_j2000_r4.bmp": 0.908,
+  "boats_j2000_r5.bmp": 0.85,
+  "boats_jpeg_r1.bmp": 0.978,
+  "boats_jpeg_r2.bmp": 0.97,
+  "boats_jpeg_r3.bmp": 0.95,
+  "boats_jpeg_r4.bmp": 0.933,
+  "boats_jpeg_r5.bmp": 0.908,
+  "boats_lar_r1.bmp": 0.837,
+  "boats_lar_r2.bmp": 0.892,
+  "boats_lar_r3.bmp": 0.907,
   "boats_lar_r4.bmp": 0.946,
-  "boats_lar_r5.bmp": 0.962,
+  "boats_lar_r5.bmp": 0.97,
   "clown.bmp": 1,
-  "clown_j2000_r1.bmp": 0.973,
-  "clown_j2000_r2.bmp": 0.945,
-  "clown_j2000_r3.bmp": 0.938,
-  "clown_j2000_r4.bmp": 0.899,
-  "clown_j2000_r5.bmp": 0.841,
-  "clown_jpeg_lumichr_r1.bmp": 0.925,
-  "clown_jpeg_lumichr_r2.bmp": 0.893,
-  "clown_jpeg_lumichr_r3.bmp": 0.83,
-  "clown_jpeg_lumichr_r4.bmp": 0.796,
-  "clown_jpeg_lumichr_r5.bmp": 0.715,
-  "clown_jpeg_r1.bmp": 0.934,
-  "clown_jpeg_r2.bmp": 0.911,
-  "clown_jpeg_r3.bmp": 0.887,
-  "clown_jpeg_r4.bmp": 0.832,
-  "clown_jpeg_r5.bmp": 0.822,
-  "clown_lar_r1.bmp": 0.825,
-  "clown_lar_r2.bmp": 0.883,
-  "clown_lar_r3.bmp": 0.895,
-  "clown_lar_r4.bmp": 0.946,
-  "clown_lar_r5.bmp": 0.956,
+  "clown_j2000_r1.bmp": 0.987,
+  "clown_j2000_r2.bmp": 0.968,
+  "clown_j2000_r3.bmp": 0.958,
+  "clown_j2000_r4.bmp": 0.922,
+  "clown_j2000_r5.bmp": 0.857,
+  "clown_jpeg_lumichr_r1.bmp": 0.95,
+  "clown_jpeg_lumichr_r2.bmp": 0.927,
+  "clown_jpeg_lumichr_r3.bmp": 0.877,
+  "clown_jpeg_lumichr_r4.bmp": 0.851,
+  "clown_jpeg_lumichr_r5.bmp": 0.79,
+  "clown_jpeg_r1.bmp": 0.984,
+  "clown_jpeg_r2.bmp": 0.968,
+  "clown_jpeg_r3.bmp": 0.952,
+  "clown_jpeg_r4.bmp": 0.91,
+  "clown_jpeg_r5.bmp": 0.898,
+  "clown_lar_r1.bmp": 0.809,
+  "clown_lar_r2.bmp": 0.889,
+  "clown_lar_r3.bmp": 0.9,
+  "clown_lar_r4.bmp": 0.959,
+  "clown_lar_r5.bmp": 0.97,
   "fruit.bmp": 1,
-  "fruit_flou_f1.bmp": 0.983,
-  "fruit_flou_f2.bmp": 0.923,
-  "fruit_flou_f3.bmp": 0.875,
-  "fruit_flou_f4.bmp": 0.817,
-  "fruit_flou_f5.bmp": 0.752,
-  "fruit_j2000_r1.bmp": 0.988,
-  "fruit_j2000_r2.bmp": 0.969,
-  "fruit_j2000_r3.bmp": 0.945,
-  "fruit_j2000_r4.bmp": 0.896,
-  "fruit_j2000_r5.bmp": 0.848,
-  "fruit_jpeg_lumichr_r1.bmp": 0.969,
-  "fruit_jpeg_lumichr_r2.bmp": 0.963,
-  "fruit_jpeg_lumichr_r3.bmp": 0.916,
-  "fruit_jpeg_lumichr_r4.bmp": 0.875,
-  "fruit_jpeg_lumichr_r5.bmp": 0.838,
-  "fruit_jpeg_r1.bmp": 0.96,
-  "fruit_jpeg_r2.bmp": 0.948,
-  "fruit_jpeg_r3.bmp": 0.929,
-  "fruit_jpeg_r4.bmp": 0.887,
-  "fruit_jpeg_r5.bmp": 0.866,
-  "fruit_lar_r1.bmp": 0.891,
-  "fruit_lar_r2.bmp": 0.944,
-  "fruit_lar_r3.bmp": 0.95,
-  "fruit_lar_r4.bmp": 0.968,
-  "fruit_lar_r5.bmp": 0.972,
+  "fruit_flou_f1.bmp": 0.978,
+  "fruit_flou_f2.bmp": 0.903,
+  "fruit_flou_f3.bmp": 0.846,
+  "fruit_flou_f4.bmp": 0.779,
+  "fruit_flou_f5.bmp": 0.704,
+  "fruit_j2000_r1.bmp": 0.991,
+  "fruit_j2000_r2.bmp": 0.976,
+  "fruit_j2000_r3.bmp": 0.955,
+  "fruit_j2000_r4.bmp": 0.904,
+  "fruit_j2000_r5.bmp": 0.85,
+  "fruit_jpeg_lumichr_r1.bmp": 0.975,
+  "fruit_jpeg_lumichr_r2.bmp": 0.975,
+  "fruit_jpeg_lumichr_r3.bmp": 0.946,
+  "fruit_jpeg_lumichr_r4.bmp": 0.925,
+  "fruit_jpeg_lumichr_r5.bmp": 0.9,
+  "fruit_jpeg_r1.bmp": 0.986,
+  "fruit_jpeg_r2.bmp": 0.977,
+  "fruit_jpeg_r3.bmp": 0.967,
+  "fruit_jpeg_r4.bmp": 0.93,
+  "fruit_jpeg_r5.bmp": 0.912,
+  "fruit_lar_r1.bmp": 0.872,
+  "fruit_lar_r2.bmp": 0.94,
+  "fruit_lar_r3.bmp": 0.947,
+  "fruit_lar_r4.bmp": 0.97,
+  "fruit_lar_r5.bmp": 0.975,
   "house.bmp": 1,
-  "house_j2000_r1.bmp": 0.981,
-  "house_j2000_r2.bmp": 0.972,
-  "house_j2000_r3.bmp": 0.944,
-  "house_j2000_r4.bmp": 0.91,
-  "house_j2000_r5.bmp": 0.86,
-  "house_jpeg_r1.bmp": 0.946,
-  "house_jpeg_r2.bmp": 0.939,
-  "house_jpeg_r3.bmp": 0.915,
-  "house_jpeg_r4.bmp": 0.887,
-  "house_jpeg_r5.bmp": 0.857,
-  "house_lar_r1.bmp": 0.884,
-  "house_lar_r2.bmp": 0.911,
-  "house_lar_r3.bmp": 0.942,
+  "house_j2000_r1.bmp": 0.984,
+  "house_j2000_r2.bmp": 0.975,
+  "house_j2000_r3.bmp": 0.951,
+  "house_j2000_r4.bmp": 0.914,
+  "house_j2000_r5.bmp": 0.846,
+  "house_jpeg_r1.bmp": 0.982,
+  "house_jpeg_r2.bmp": 0.969,
+  "house_jpeg_r3.bmp": 0.95,
+  "house_jpeg_r4.bmp": 0.912,
+  "house_jpeg_r5.bmp": 0.878,
+  "house_lar_r1.bmp": 0.846,
+  "house_lar_r2.bmp": 0.887,
+  "house_lar_r3.bmp": 0.929,
   "house_lar_r4.bmp": 0.956,
-  "house_lar_r5.bmp": 0.958,
+  "house_lar_r5.bmp": 0.969,
   "isabe.bmp": 1,
-  "isabe_j2000_r1.bmp": 0.967,
-  "isabe_j2000_r2.bmp": 0.955,
-  "isabe_j2000_r3.bmp": 0.928,
-  "isabe_j2000_r4.bmp": 0.918,
-  "isabe_j2000_r5.bmp": 0.888,
-  "isabe_jpeg_lumichr_r1.bmp": 0.963,
-  "isabe_jpeg_lumichr_r2.bmp": 0.948,
-  "isabe_jpeg_lumichr_r3.bmp": 0.923,
-  "isabe_jpeg_lumichr_r4.bmp": 0.884,
-  "isabe_jpeg_lumichr_r5.bmp": 0.842,
-  "isabe_jpeg_r1.bmp": 0.916,
-  "isabe_jpeg_r2.bmp": 0.904,
-  "isabe_jpeg_r3.bmp": 0.88,
-  "isabe_jpeg_r4.bmp": 0.86,
-  "isabe_jpeg_r5.bmp": 0.824,
+  "isabe_j2000_r1.bmp": 0.98,
+  "isabe_j2000_r2.bmp": 0.967,
+  "isabe_j2000_r3.bmp": 0.937,
+  "isabe_j2000_r4.bmp": 0.912,
+  "isabe_j2000_r5.bmp": 0.864,
+  "isabe_jpeg_lumichr_r1.bmp": 0.971,
+  "isabe_jpeg_lumichr_r2.bmp": 0.959,
+  "isabe_jpeg_lumichr_r3.bmp": 0.939,
+  "isabe_jpeg_lumichr_r4.bmp": 0.904,
+  "isabe_jpeg_lumichr_r5.bmp": 0.866,
+  "isabe_jpeg_r1.bmp": 0.975,
+  "isabe_jpeg_r2.bmp": 0.965,
+  "isabe_jpeg_r3.bmp": 0.944,
+  "isabe_jpeg_r4.bmp": 0.922,
+  "isabe_jpeg_r5.bmp": 0.876,
   "lenat.bmp": 1,
-  "lenat_flou_f1.bmp": 0.985,
-  "lenat_flou_f2.bmp": 0.941,
-  "lenat_flou_f3.bmp": 0.901,
-  "lenat_flou_f4.bmp": 0.887,
-  "lenat_flou_f5.bmp": 0.846,
-  "lenat_j2000_r1.bmp": 0.979,
-  "lenat_j2000_r2.bmp": 0.959,
-  "lenat_j2000_r3.bmp": 0.936,
-  "lenat_j2000_r4.bmp": 0.918,
-  "lenat_j2000_r5.bmp": 0.892,
-  "lenat_jpeg_r1.bmp": 0.951,
-  "lenat_jpeg_r2.bmp": 0.939,
-  "lenat_jpeg_r3.bmp": 0.908,
-  "lenat_jpeg_r4.bmp": 0.874,
-  "lenat_jpeg_r5.bmp": 0.859,
-  "lenat_lar_r1.bmp": 0.903,
-  "lenat_lar_r2.bmp": 0.934,
-  "lenat_lar_r3.bmp": 0.948,
-  "lenat_lar_r4.bmp": 0.959,
-  "lenat_lar_r5.bmp": 0.963,
+  "lenat_flou_f1.bmp": 0.982,
+  "lenat_flou_f2.bmp": 0.933,
+  "lenat_flou_f3.bmp": 0.878,
+  "lenat_flou_f4.bmp": 0.86,
+  "lenat_flou_f5.bmp": 0.806,
+  "lenat_j2000_r1.bmp": 0.988,
+  "lenat_j2000_r2.bmp": 0.972,
+  "lenat_j2000_r3.bmp": 0.951,
+  "lenat_j2000_r4.bmp": 0.936,
+  "lenat_j2000_r5.bmp": 0.901,
+  "lenat_jpeg_r1.bmp": 0.98,
+  "lenat_jpeg_r2.bmp": 0.974,
+  "lenat_jpeg_r3.bmp": 0.951,
+  "lenat_jpeg_r4.bmp": 0.928,
+  "lenat_jpeg_r5.bmp": 0.911,
+  "lenat_lar_r1.bmp": 0.887,
+  "lenat_lar_r2.bmp": 0.932,
+  "lenat_lar_r3.bmp": 0.947,
+  "lenat_lar_r4.bmp": 0.966,
+  "lenat_lar_r5.bmp": 0.972,
   "mandr.bmp": 1,
-  "mandr_j2000_r1.bmp": 0.914,
-  "mandr_j2000_r2.bmp": 0.898,
-  "mandr_j2000_r3.bmp": 0.831,
-  "mandr_j2000_r4.bmp": 0.722,
-  "mandr_j2000_r5.bmp": 0.612,
-  "mandr_jpeg_lumichr_r1.bmp": 0.943,
-  "mandr_jpeg_lumichr_r2.bmp": 0.927,
-  "mandr_jpeg_lumichr_r3.bmp": 0.849,
-  "mandr_jpeg_lumichr_r4.bmp": 0.818,
-  "mandr_jpeg_lumichr_r5.bmp": 0.736,
-  "mandr_jpeg_r1.bmp": 0.913,
-  "mandr_jpeg_r2.bmp": 0.867,
-  "mandr_jpeg_r3.bmp": 0.811,
-  "mandr_jpeg_r4.bmp": 0.774,
-  "mandr_jpeg_r5.bmp": 0.718,
-  "mandr_lar_r1.bmp": 0.751,
-  "mandr_lar_r2.bmp": 0.819,
-  "mandr_lar_r3.bmp": 0.873,
-  "mandr_lar_r4.bmp": 0.891,
-  "mandr_lar_r5.bmp": 0.916,
+  "mandr_j2000_r1.bmp": 0.947,
+  "mandr_j2000_r2.bmp": 0.926,
+  "mandr_j2000_r3.bmp": 0.869,
+  "mandr_j2000_r4.bmp": 0.732,
+  "mandr_j2000_r5.bmp": 0.6,
+  "mandr_jpeg_lumichr_r1.bmp": 0.957,
+  "mandr_jpeg_lumichr_r2.bmp": 0.944,
+  "mandr_jpeg_lumichr_r3.bmp": 0.873,
+  "mandr_jpeg_lumichr_r4.bmp": 0.839,
+  "mandr_jpeg_lumichr_r5.bmp": 0.748,
+  "mandr_jpeg_r1.bmp": 0.968,
+  "mandr_jpeg_r2.bmp": 0.931,
+  "mandr_jpeg_r3.bmp": 0.877,
+  "mandr_jpeg_r4.bmp": 0.845,
+  "mandr_jpeg_r5.bmp": 0.778,
+  "mandr_lar_r1.bmp": 0.723,
+  "mandr_lar_r2.bmp": 0.803,
+  "mandr_lar_r3.bmp": 0.877,
+  "mandr_lar_r4.bmp": 0.908,
+  "mandr_lar_r5.bmp": 0.941,
   "pimen.bmp": 1,
-  "pimen_j2000_r1.bmp": 0.979,
-  "pimen_j2000_r2.bmp": 0.962,
-  "pimen_j2000_r3.bmp": 0.947,
-  "pimen_j2000_r4.bmp": 0.909,
-  "pimen_j2000_r5.bmp": 0.781,
-  "pimen_jpeg_r1.bmp": 0.92,
-  "pimen_jpeg_r2.bmp": 0.904,
-  "pimen_jpeg_r3.bmp": 0.894,
-  "pimen_jpeg_r4.bmp": 0.851,
-  "pimen_jpeg_r5.bmp": 0.816,
-  "pimen_lar_r1.bmp": 0.902,
-  "pimen_lar_r2.bmp": 0.941,
-  "pimen_lar_r3.bmp": 0.943,
-  "pimen_lar_r4.bmp": 0.951,
-  "pimen_lar_r5.bmp": 0.953,
+  "pimen_j2000_r1.bmp": 0.984,
+  "pimen_j2000_r2.bmp": 0.969,
+  "pimen_j2000_r3.bmp": 0.954,
+  "pimen_j2000_r4.bmp": 0.915,
+  "pimen_j2000_r5.bmp": 0.776,
+  "pimen_jpeg_r1.bmp": 0.97,
+  "pimen_jpeg_r2.bmp": 0.962,
+  "pimen_jpeg_r3.bmp": 0.954,
+  "pimen_jpeg_r4.bmp": 0.924,
+  "pimen_jpeg_r5.bmp": 0.902,
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+  "pimen_lar_r2.bmp": 0.932,
+  "pimen_lar_r3.bmp": 0.955,
+  "pimen_lar_r4.bmp": 0.972,
+  "pimen_lar_r5.bmp": 0.976,
 }
 `;
 
 exports[`IVC should match stored mssims (ssim fast) - rgb int 1`] = `
 Object {
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-  "avion_j2000_r1.bmp": 0.981,
+  "avion_j2000_r1.bmp": 0.979,
   "avion_j2000_r2.bmp": 0.955,
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-  "avion_jpeg_r3.bmp": 0.92,
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   "barba.bmp": 1,
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-  "barba_j2000_r3.bmp": 0.913,
-  "barba_j2000_r4.bmp": 0.87,
-  "barba_j2000_r5.bmp": 0.781,
-  "barba_jpeg_lumichr_r1.bmp": 0.962,
-  "barba_jpeg_lumichr_r2.bmp": 0.937,
-  "barba_jpeg_lumichr_r3.bmp": 0.888,
-  "barba_jpeg_lumichr_r4.bmp": 0.835,
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-  "clown_jpeg_lumichr_r4.bmp": 0.762,
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-  "clown_lar_r5.bmp": 0.95,
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+  "clown_j2000_r5.bmp": 0.83,
+  "clown_jpeg_lumichr_r1.bmp": 0.936,
+  "clown_jpeg_lumichr_r2.bmp": 0.907,
+  "clown_jpeg_lumichr_r3.bmp": 0.846,
+  "clown_jpeg_lumichr_r4.bmp": 0.817,
+  "clown_jpeg_lumichr_r5.bmp": 0.752,
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   "fruit.bmp": 1,
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   "lenat.bmp": 1,
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   "mandr.bmp": 1,
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+  "pimen_jpeg_r4.bmp": 0.9,
+  "pimen_jpeg_r5.bmp": 0.873,
+  "pimen_lar_r1.bmp": 0.883,
+  "pimen_lar_r2.bmp": 0.924,
+  "pimen_lar_r3.bmp": 0.938,
+  "pimen_lar_r4.bmp": 0.959,
+  "pimen_lar_r5.bmp": 0.964,
 }
 `;
 
@@ -404,198 +404,198 @@ exports[`IVC should match stored mssims (weber) - rgb int 3`] = `
 Object {
   "avion.bmp": 1,
   "avion_j2000_r1.bmp": 0.983,
-  "avion_j2000_r2.bmp": 0.961,
-  "avion_j2000_r3.bmp": 0.943,
-  "avion_j2000_r4.bmp": 0.933,
-  "avion_j2000_r5.bmp": 0.898,
-  "avion_jpeg_r1.bmp": 0.948,
-  "avion_jpeg_r2.bmp": 0.94,
-  "avion_jpeg_r3.bmp": 0.921,
-  "avion_jpeg_r4.bmp": 0.908,
-  "avion_jpeg_r5.bmp": 0.893,
+  "avion_j2000_r2.bmp": 0.965,
+  "avion_j2000_r3.bmp": 0.94,
+  "avion_j2000_r4.bmp": 0.931,
+  "avion_j2000_r5.bmp": 0.889,
+  "avion_jpeg_r1.bmp": 0.974,
+  "avion_jpeg_r2.bmp": 0.967,
+  "avion_jpeg_r3.bmp": 0.951,
+  "avion_jpeg_r4.bmp": 0.935,
+  "avion_jpeg_r5.bmp": 0.909,
   "barba.bmp": 1,
-  "barba_flou_f1.bmp": 0.985,
-  "barba_flou_f2.bmp": 0.928,
-  "barba_flou_f3.bmp": 0.878,
-  "barba_flou_f4.bmp": 0.849,
-  "barba_flou_f5.bmp": 0.829,
-  "barba_j2000_r1.bmp": 0.977,
-  "barba_j2000_r2.bmp": 0.962,
-  "barba_j2000_r3.bmp": 0.936,
-  "barba_j2000_r4.bmp": 0.902,
-  "barba_j2000_r5.bmp": 0.829,
-  "barba_jpeg_lumichr_r1.bmp": 0.973,
-  "barba_jpeg_lumichr_r2.bmp": 0.955,
-  "barba_jpeg_lumichr_r3.bmp": 0.917,
-  "barba_jpeg_lumichr_r4.bmp": 0.875,
-  "barba_jpeg_lumichr_r5.bmp": 0.846,
-  "barba_jpeg_r1.bmp": 0.954,
-  "barba_jpeg_r2.bmp": 0.937,
-  "barba_jpeg_r3.bmp": 0.91,
-  "barba_jpeg_r4.bmp": 0.884,
-  "barba_jpeg_r5.bmp": 0.847,
-  "barba_lar_r1.bmp": 0.84,
-  "barba_lar_r2.bmp": 0.875,
-  "barba_lar_r3.bmp": 0.917,
-  "barba_lar_r4.bmp": 0.946,
-  "barba_lar_r5.bmp": 0.958,
+  "barba_flou_f1.bmp": 0.983,
+  "barba_flou_f2.bmp": 0.92,
+  "barba_flou_f3.bmp": 0.864,
+  "barba_flou_f4.bmp": 0.833,
+  "barba_flou_f5.bmp": 0.812,
+  "barba_j2000_r1.bmp": 0.988,
+  "barba_j2000_r2.bmp": 0.975,
+  "barba_j2000_r3.bmp": 0.95,
+  "barba_j2000_r4.bmp": 0.919,
+  "barba_j2000_r5.bmp": 0.834,
+  "barba_jpeg_lumichr_r1.bmp": 0.981,
+  "barba_jpeg_lumichr_r2.bmp": 0.966,
+  "barba_jpeg_lumichr_r3.bmp": 0.935,
+  "barba_jpeg_lumichr_r4.bmp": 0.898,
+  "barba_jpeg_lumichr_r5.bmp": 0.871,
+  "barba_jpeg_r1.bmp": 0.977,
+  "barba_jpeg_r2.bmp": 0.962,
+  "barba_jpeg_r3.bmp": 0.937,
+  "barba_jpeg_r4.bmp": 0.917,
+  "barba_jpeg_r5.bmp": 0.886,
+  "barba_lar_r1.bmp": 0.823,
+  "barba_lar_r2.bmp": 0.864,
+  "barba_lar_r3.bmp": 0.912,
+  "barba_lar_r4.bmp": 0.951,
+  "barba_lar_r5.bmp": 0.966,
   "boats.bmp": 1,
-  "boats_flou_f1.bmp": 0.984,
-  "boats_flou_f2.bmp": 0.967,
-  "boats_flou_f3.bmp": 0.945,
-  "boats_flou_f4.bmp": 0.873,
-  "boats_flou_f5.bmp": 0.836,
-  "boats_j2000_r1.bmp": 0.974,
-  "boats_j2000_r2.bmp": 0.957,
-  "boats_j2000_r3.bmp": 0.934,
-  "boats_j2000_r4.bmp": 0.911,
-  "boats_j2000_r5.bmp": 0.863,
-  "boats_jpeg_r1.bmp": 0.953,
-  "boats_jpeg_r2.bmp": 0.942,
-  "boats_jpeg_r3.bmp": 0.919,
-  "boats_jpeg_r4.bmp": 0.904,
-  "boats_jpeg_r5.bmp": 0.868,
-  "boats_lar_r1.bmp": 0.868,
-  "boats_lar_r2.bmp": 0.915,
-  "boats_lar_r3.bmp": 0.928,
+  "boats_flou_f1.bmp": 0.982,
+  "boats_flou_f2.bmp": 0.961,
+  "boats_flou_f3.bmp": 0.933,
+  "boats_flou_f4.bmp": 0.842,
+  "boats_flou_f5.bmp": 0.796,
+  "boats_j2000_r1.bmp": 0.981,
+  "boats_j2000_r2.bmp": 0.966,
+  "boats_j2000_r3.bmp": 0.94,
+  "boats_j2000_r4.bmp": 0.914,
+  "boats_j2000_r5.bmp": 0.856,
+  "boats_jpeg_r1.bmp": 0.978,
+  "boats_jpeg_r2.bmp": 0.971,
+  "boats_jpeg_r3.bmp": 0.952,
+  "boats_jpeg_r4.bmp": 0.936,
+  "boats_jpeg_r5.bmp": 0.912,
+  "boats_lar_r1.bmp": 0.842,
+  "boats_lar_r2.bmp": 0.897,
+  "boats_lar_r3.bmp": 0.913,
   "boats_lar_r4.bmp": 0.95,
-  "boats_lar_r5.bmp": 0.964,
+  "boats_lar_r5.bmp": 0.972,
   "clown.bmp": 1,
-  "clown_j2000_r1.bmp": 0.973,
-  "clown_j2000_r2.bmp": 0.947,
-  "clown_j2000_r3.bmp": 0.94,
-  "clown_j2000_r4.bmp": 0.906,
-  "clown_j2000_r5.bmp": 0.856,
-  "clown_jpeg_lumichr_r1.bmp": 0.925,
-  "clown_jpeg_lumichr_r2.bmp": 0.893,
-  "clown_jpeg_lumichr_r3.bmp": 0.829,
-  "clown_jpeg_lumichr_r4.bmp": 0.795,
-  "clown_jpeg_lumichr_r5.bmp": 0.718,
-  "clown_jpeg_r1.bmp": 0.937,
-  "clown_jpeg_r2.bmp": 0.915,
-  "clown_jpeg_r3.bmp": 0.891,
-  "clown_jpeg_r4.bmp": 0.836,
-  "clown_jpeg_r5.bmp": 0.825,
-  "clown_lar_r1.bmp": 0.847,
-  "clown_lar_r2.bmp": 0.894,
-  "clown_lar_r3.bmp": 0.906,
-  "clown_lar_r4.bmp": 0.951,
-  "clown_lar_r5.bmp": 0.961,
+  "clown_j2000_r1.bmp": 0.988,
+  "clown_j2000_r2.bmp": 0.971,
+  "clown_j2000_r3.bmp": 0.962,
+  "clown_j2000_r4.bmp": 0.929,
+  "clown_j2000_r5.bmp": 0.872,
+  "clown_jpeg_lumichr_r1.bmp": 0.953,
+  "clown_jpeg_lumichr_r2.bmp": 0.931,
+  "clown_jpeg_lumichr_r3.bmp": 0.882,
+  "clown_jpeg_lumichr_r4.bmp": 0.856,
+  "clown_jpeg_lumichr_r5.bmp": 0.798,
+  "clown_jpeg_r1.bmp": 0.984,
+  "clown_jpeg_r2.bmp": 0.97,
+  "clown_jpeg_r3.bmp": 0.954,
+  "clown_jpeg_r4.bmp": 0.914,
+  "clown_jpeg_r5.bmp": 0.903,
+  "clown_lar_r1.bmp": 0.831,
+  "clown_lar_r2.bmp": 0.901,
+  "clown_lar_r3.bmp": 0.912,
+  "clown_lar_r4.bmp": 0.961,
+  "clown_lar_r5.bmp": 0.973,
   "fruit.bmp": 1,
-  "fruit_flou_f1.bmp": 0.987,
-  "fruit_flou_f2.bmp": 0.935,
-  "fruit_flou_f3.bmp": 0.893,
-  "fruit_flou_f4.bmp": 0.838,
-  "fruit_flou_f5.bmp": 0.774,
-  "fruit_j2000_r1.bmp": 0.988,
-  "fruit_j2000_r2.bmp": 0.97,
-  "fruit_j2000_r3.bmp": 0.948,
-  "fruit_j2000_r4.bmp": 0.904,
-  "fruit_j2000_r5.bmp": 0.863,
-  "fruit_jpeg_lumichr_r1.bmp": 0.969,
-  "fruit_jpeg_lumichr_r2.bmp": 0.962,
-  "fruit_jpeg_lumichr_r3.bmp": 0.918,
-  "fruit_jpeg_lumichr_r4.bmp": 0.877,
-  "fruit_jpeg_lumichr_r5.bmp": 0.841,
-  "fruit_jpeg_r1.bmp": 0.96,
-  "fruit_jpeg_r2.bmp": 0.949,
-  "fruit_jpeg_r3.bmp": 0.929,
-  "fruit_jpeg_r4.bmp": 0.889,
-  "fruit_jpeg_r5.bmp": 0.865,
-  "fruit_lar_r1.bmp": 0.901,
-  "fruit_lar_r2.bmp": 0.946,
-  "fruit_lar_r3.bmp": 0.953,
-  "fruit_lar_r4.bmp": 0.968,
-  "fruit_lar_r5.bmp": 0.972,
+  "fruit_flou_f1.bmp": 0.985,
+  "fruit_flou_f2.bmp": 0.924,
+  "fruit_flou_f3.bmp": 0.875,
+  "fruit_flou_f4.bmp": 0.811,
+  "fruit_flou_f5.bmp": 0.736,
+  "fruit_j2000_r1.bmp": 0.991,
+  "fruit_j2000_r2.bmp": 0.977,
+  "fruit_j2000_r3.bmp": 0.959,
+  "fruit_j2000_r4.bmp": 0.917,
+  "fruit_j2000_r5.bmp": 0.874,
+  "fruit_jpeg_lumichr_r1.bmp": 0.977,
+  "fruit_jpeg_lumichr_r2.bmp": 0.976,
+  "fruit_jpeg_lumichr_r3.bmp": 0.948,
+  "fruit_jpeg_lumichr_r4.bmp": 0.929,
+  "fruit_jpeg_lumichr_r5.bmp": 0.904,
+  "fruit_jpeg_r1.bmp": 0.986,
+  "fruit_jpeg_r2.bmp": 0.978,
+  "fruit_jpeg_r3.bmp": 0.968,
+  "fruit_jpeg_r4.bmp": 0.933,
+  "fruit_jpeg_r5.bmp": 0.915,
+  "fruit_lar_r1.bmp": 0.887,
+  "fruit_lar_r2.bmp": 0.943,
+  "fruit_lar_r3.bmp": 0.95,
+  "fruit_lar_r4.bmp": 0.971,
+  "fruit_lar_r5.bmp": 0.976,
   "house.bmp": 1,
-  "house_j2000_r1.bmp": 0.981,
-  "house_j2000_r2.bmp": 0.974,
+  "house_j2000_r1.bmp": 0.984,
+  "house_j2000_r2.bmp": 0.975,
   "house_j2000_r3.bmp": 0.95,
-  "house_j2000_r4.bmp": 0.918,
-  "house_j2000_r5.bmp": 0.868,
-  "house_jpeg_r1.bmp": 0.962,
-  "house_jpeg_r2.bmp": 0.948,
-  "house_jpeg_r3.bmp": 0.926,
-  "house_jpeg_r4.bmp": 0.895,
-  "house_jpeg_r5.bmp": 0.866,
-  "house_lar_r1.bmp": 0.897,
-  "house_lar_r2.bmp": 0.938,
-  "house_lar_r3.bmp": 0.947,
-  "house_lar_r4.bmp": 0.963,
-  "house_lar_r5.bmp": 0.969,
+  "house_j2000_r4.bmp": 0.916,
+  "house_j2000_r5.bmp": 0.859,
+  "house_jpeg_r1.bmp": 0.982,
+  "house_jpeg_r2.bmp": 0.971,
+  "house_jpeg_r3.bmp": 0.952,
+  "house_jpeg_r4.bmp": 0.919,
+  "house_jpeg_r5.bmp": 0.889,
+  "house_lar_r1.bmp": 0.866,
+  "house_lar_r2.bmp": 0.918,
+  "house_lar_r3.bmp": 0.931,
+  "house_lar_r4.bmp": 0.957,
+  "house_lar_r5.bmp": 0.968,
   "isabe.bmp": 1,
-  "isabe_j2000_r1.bmp": 0.968,
-  "isabe_j2000_r2.bmp": 0.957,
-  "isabe_j2000_r3.bmp": 0.931,
-  "isabe_j2000_r4.bmp": 0.921,
-  "isabe_j2000_r5.bmp": 0.891,
-  "isabe_jpeg_lumichr_r1.bmp": 0.962,
-  "isabe_jpeg_lumichr_r2.bmp": 0.947,
-  "isabe_jpeg_lumichr_r3.bmp": 0.923,
-  "isabe_jpeg_lumichr_r4.bmp": 0.881,
-  "isabe_jpeg_lumichr_r5.bmp": 0.839,
-  "isabe_jpeg_r1.bmp": 0.917,
-  "isabe_jpeg_r2.bmp": 0.905,
-  "isabe_jpeg_r3.bmp": 0.882,
-  "isabe_jpeg_r4.bmp": 0.858,
-  "isabe_jpeg_r5.bmp": 0.827,
+  "isabe_j2000_r1.bmp": 0.983,
+  "isabe_j2000_r2.bmp": 0.971,
+  "isabe_j2000_r3.bmp": 0.942,
+  "isabe_j2000_r4.bmp": 0.917,
+  "isabe_j2000_r5.bmp": 0.869,
+  "isabe_jpeg_lumichr_r1.bmp": 0.973,
+  "isabe_jpeg_lumichr_r2.bmp": 0.962,
+  "isabe_jpeg_lumichr_r3.bmp": 0.943,
+  "isabe_jpeg_lumichr_r4.bmp": 0.907,
+  "isabe_jpeg_lumichr_r5.bmp": 0.868,
+  "isabe_jpeg_r1.bmp": 0.977,
+  "isabe_jpeg_r2.bmp": 0.968,
+  "isabe_jpeg_r3.bmp": 0.948,
+  "isabe_jpeg_r4.bmp": 0.928,
+  "isabe_jpeg_r5.bmp": 0.882,
   "lenat.bmp": 1,
-  "lenat_flou_f1.bmp": 0.988,
-  "lenat_flou_f2.bmp": 0.949,
-  "lenat_flou_f3.bmp": 0.913,
-  "lenat_flou_f4.bmp": 0.9,
-  "lenat_flou_f5.bmp": 0.861,
-  "lenat_j2000_r1.bmp": 0.979,
-  "lenat_j2000_r2.bmp": 0.96,
-  "lenat_j2000_r3.bmp": 0.937,
-  "lenat_j2000_r4.bmp": 0.92,
-  "lenat_j2000_r5.bmp": 0.895,
-  "lenat_jpeg_r1.bmp": 0.95,
-  "lenat_jpeg_r2.bmp": 0.939,
-  "lenat_jpeg_r3.bmp": 0.907,
-  "lenat_jpeg_r4.bmp": 0.871,
-  "lenat_jpeg_r5.bmp": 0.857,
-  "lenat_lar_r1.bmp": 0.902,
+  "lenat_flou_f1.bmp": 0.991,
+  "lenat_flou_f2.bmp": 0.952,
+  "lenat_flou_f3.bmp": 0.906,
+  "lenat_flou_f4.bmp": 0.89,
+  "lenat_flou_f5.bmp": 0.838,
+  "lenat_j2000_r1.bmp": 0.989,
+  "lenat_j2000_r2.bmp": 0.973,
+  "lenat_j2000_r3.bmp": 0.953,
+  "lenat_j2000_r4.bmp": 0.94,
+  "lenat_j2000_r5.bmp": 0.908,
+  "lenat_jpeg_r1.bmp": 0.98,
+  "lenat_jpeg_r2.bmp": 0.975,
+  "lenat_jpeg_r3.bmp": 0.953,
+  "lenat_jpeg_r4.bmp": 0.929,
+  "lenat_jpeg_r5.bmp": 0.912,
+  "lenat_lar_r1.bmp": 0.89,
   "lenat_lar_r2.bmp": 0.934,
-  "lenat_lar_r3.bmp": 0.948,
-  "lenat_lar_r4.bmp": 0.959,
-  "lenat_lar_r5.bmp": 0.963,
+  "lenat_lar_r3.bmp": 0.949,
+  "lenat_lar_r4.bmp": 0.966,
+  "lenat_lar_r5.bmp": 0.972,
   "mandr.bmp": 1,
-  "mandr_j2000_r1.bmp": 0.923,
-  "mandr_j2000_r2.bmp": 0.909,
-  "mandr_j2000_r3.bmp": 0.845,
-  "mandr_j2000_r4.bmp": 0.742,
-  "mandr_j2000_r5.bmp": 0.63,
-  "mandr_jpeg_lumichr_r1.bmp": 0.948,
-  "mandr_jpeg_lumichr_r2.bmp": 0.934,
-  "mandr_jpeg_lumichr_r3.bmp": 0.862,
-  "mandr_jpeg_lumichr_r4.bmp": 0.833,
-  "mandr_jpeg_lumichr_r5.bmp": 0.756,
-  "mandr_jpeg_r1.bmp": 0.919,
-  "mandr_jpeg_r2.bmp": 0.874,
-  "mandr_jpeg_r3.bmp": 0.819,
-  "mandr_jpeg_r4.bmp": 0.785,
-  "mandr_jpeg_r5.bmp": 0.732,
-  "mandr_lar_r1.bmp": 0.766,
-  "mandr_lar_r2.bmp": 0.834,
-  "mandr_lar_r3.bmp": 0.879,
-  "mandr_lar_r4.bmp": 0.896,
-  "mandr_lar_r5.bmp": 0.923,
+  "mandr_j2000_r1.bmp": 0.953,
+  "mandr_j2000_r2.bmp": 0.936,
+  "mandr_j2000_r3.bmp": 0.882,
+  "mandr_j2000_r4.bmp": 0.756,
+  "mandr_j2000_r5.bmp": 0.625,
+  "mandr_jpeg_lumichr_r1.bmp": 0.961,
+  "mandr_jpeg_lumichr_r2.bmp": 0.949,
+  "mandr_jpeg_lumichr_r3.bmp": 0.883,
+  "mandr_jpeg_lumichr_r4.bmp": 0.853,
+  "mandr_jpeg_lumichr_r5.bmp": 0.768,
+  "mandr_jpeg_r1.bmp": 0.971,
+  "mandr_jpeg_r2.bmp": 0.937,
+  "mandr_jpeg_r3.bmp": 0.888,
+  "mandr_jpeg_r4.bmp": 0.856,
+  "mandr_jpeg_r5.bmp": 0.797,
+  "mandr_lar_r1.bmp": 0.743,
+  "mandr_lar_r2.bmp": 0.824,
+  "mandr_lar_r3.bmp": 0.882,
+  "mandr_lar_r4.bmp": 0.912,
+  "mandr_lar_r5.bmp": 0.945,
   "pimen.bmp": 1,
-  "pimen_j2000_r1.bmp": 0.979,
-  "pimen_j2000_r2.bmp": 0.962,
-  "pimen_j2000_r3.bmp": 0.949,
-  "pimen_j2000_r4.bmp": 0.917,
-  "pimen_j2000_r5.bmp": 0.8,
-  "pimen_jpeg_r1.bmp": 0.936,
-  "pimen_jpeg_r2.bmp": 0.925,
-  "pimen_jpeg_r3.bmp": 0.913,
-  "pimen_jpeg_r4.bmp": 0.871,
-  "pimen_jpeg_r5.bmp": 0.837,
-  "pimen_lar_r1.bmp": 0.914,
-  "pimen_lar_r2.bmp": 0.948,
+  "pimen_j2000_r1.bmp": 0.984,
+  "pimen_j2000_r2.bmp": 0.97,
+  "pimen_j2000_r3.bmp": 0.957,
+  "pimen_j2000_r4.bmp": 0.925,
+  "pimen_j2000_r5.bmp": 0.806,
+  "pimen_jpeg_r1.bmp": 0.971,
+  "pimen_jpeg_r2.bmp": 0.964,
+  "pimen_jpeg_r3.bmp": 0.957,
+  "pimen_jpeg_r4.bmp": 0.928,
+  "pimen_jpeg_r5.bmp": 0.905,
+  "pimen_lar_r1.bmp": 0.908,
+  "pimen_lar_r2.bmp": 0.944,
   "pimen_lar_r3.bmp": 0.956,
-  "pimen_lar_r4.bmp": 0.965,
-  "pimen_lar_r5.bmp": 0.967,
+  "pimen_lar_r4.bmp": 0.973,
+  "pimen_lar_r5.bmp": 0.977,
 }
 `;
diff --git a/spec/e2e/ivc.spec.ts b/spec/e2e/ivc.spec.ts
index 00ebf038..8743e644 100644
--- a/spec/e2e/ivc.spec.ts
+++ b/spec/e2e/ivc.spec.ts
@@ -74,8 +74,8 @@ describe('IVC', () => {
 
     const newVar = newS / (Object.keys(newV).length - 1)
 
-    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0202`)
-    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000211`)
+    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0243`)
+    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000291`)
     expect(results).toEqual(weberScores as MSSIMValues)
   }, 70000)
 
@@ -111,14 +111,14 @@ describe('IVC', () => {
         mssim: newVal,
         distance: distNew,
         ref: refVal,
-      }
+    }
       const meanR = newMean + (distNew - newMean) / Object.keys(newV).length
       newS = newS + (distNew - newMean) * (distNew - meanR)
       newMean = meanR
     }
     const newVar = newS / (Object.keys(newV).length - 1)
-    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0155`)
-    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000153`)
+    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0186`)
+    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000175`)
     expect(results).toEqual(bezkrovnyScores as MSSIMValues)
   }, 70000)
 
@@ -179,8 +179,8 @@ describe('IVC', () => {
 
     const newVar = newS / (Object.keys(newV).length - 1)
 
-    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0203`)
-    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000212`)
+    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0243`)
+    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000292`)
     expect(results).toMatchSnapshot()
   }, 70000)
 
@@ -213,14 +213,14 @@ describe('IVC', () => {
         mssim: newVal,
         distance: distNew,
         ref: refVal,
-      }
+    }
       const meanR = newMean + (distNew - newMean) / Object.keys(newV).length
       newS = newS + (distNew - newMean) * (distNew - meanR)
       newMean = meanR
     }
     const newVar = newS / (Object.keys(newV).length - 1)
-    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0156`)
-    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000154`)
+    expect(roundTo(newMean, 4)).toMatchInlineSnapshot(`0.0186`)
+    expect(roundTo(newVar, 6)).toMatchInlineSnapshot(`0.000175`)
     expect(results).toMatchSnapshot()
   }, 70000)
 })
diff --git a/spec/helpers/readpixels.ts b/spec/helpers/readpixels.ts
index 2e5fd3ec..991aa27b 100644
--- a/spec/helpers/readpixels.ts
+++ b/spec/helpers/readpixels.ts
@@ -2,7 +2,6 @@ import fs from 'fs'
 import http from 'https'
 import Canvas from 'canvas'
 import imageType from 'image-type'
-import bmp from 'bmp-js'
 
 /**
  * If `limit` is set, it will return proportional dimensions to `width` and `height` with the
@@ -51,9 +50,6 @@ function parse(data: Buffer, limit: number): Promise<ImageData> {
   const { ext = '' } = imageType(data) || {}
 
   return new Promise((resolve, reject) => {
-    if (ext === 'bmp') {
-      resolve(bmp.decode(data))
-    } else {
       Canvas.loadImage(data)
         .then((img) => {
           const { width, height } = getLimitDimensions(
@@ -70,7 +66,6 @@ function parse(data: Buffer, limit: number): Promise<ImageData> {
         })
         .then(resolve)
         .catch(reject)
-    }
   })
 }
 
diff --git a/spec/samples/IVC_color-bezkrovny.json b/spec/samples/IVC_color-bezkrovny.json
index dcc3ebd9..d9a5c6a0 100644
--- a/spec/samples/IVC_color-bezkrovny.json
+++ b/spec/samples/IVC_color-bezkrovny.json
@@ -1,197 +1,197 @@
 {
   "avion.bmp": 1,
-  "avion_j2000_r1.bmp": 0.983,
-  "avion_j2000_r2.bmp": 0.959,
+  "avion_j2000_r1.bmp": 0.984,
+  "avion_j2000_r2.bmp": 0.965,
   "avion_j2000_r3.bmp": 0.937,
-  "avion_j2000_r4.bmp": 0.928,
-  "avion_j2000_r5.bmp": 0.881,
-  "avion_jpeg_r1.bmp": 0.936,
-  "avion_jpeg_r2.bmp": 0.93,
-  "avion_jpeg_r3.bmp": 0.914,
-  "avion_jpeg_r4.bmp": 0.901,
-  "avion_jpeg_r5.bmp": 0.877,
+  "avion_j2000_r4.bmp": 0.927,
+  "avion_j2000_r5.bmp": 0.873,
+  "avion_jpeg_r1.bmp": 0.974,
+  "avion_jpeg_r2.bmp": 0.967,
+  "avion_jpeg_r3.bmp": 0.951,
+  "avion_jpeg_r4.bmp": 0.936,
+  "avion_jpeg_r5.bmp": 0.904,
   "barba.bmp": 1,
-  "barba_flou_f1.bmp": 0.985,
-  "barba_flou_f2.bmp": 0.928,
-  "barba_flou_f3.bmp": 0.876,
-  "barba_flou_f4.bmp": 0.84,
-  "barba_flou_f5.bmp": 0.816,
-  "barba_j2000_r1.bmp": 0.975,
-  "barba_j2000_r2.bmp": 0.961,
-  "barba_j2000_r3.bmp": 0.934,
-  "barba_j2000_r4.bmp": 0.898,
-  "barba_j2000_r5.bmp": 0.823,
-  "barba_jpeg_lumichr_r1.bmp": 0.974,
-  "barba_jpeg_lumichr_r2.bmp": 0.955,
-  "barba_jpeg_lumichr_r3.bmp": 0.918,
-  "barba_jpeg_lumichr_r4.bmp": 0.874,
-  "barba_jpeg_lumichr_r5.bmp": 0.845,
-  "barba_jpeg_r1.bmp": 0.953,
-  "barba_jpeg_r2.bmp": 0.937,
-  "barba_jpeg_r3.bmp": 0.911,
-  "barba_jpeg_r4.bmp": 0.882,
-  "barba_jpeg_r5.bmp": 0.843,
-  "barba_lar_r1.bmp": 0.839,
-  "barba_lar_r2.bmp": 0.876,
-  "barba_lar_r3.bmp": 0.916,
-  "barba_lar_r4.bmp": 0.947,
-  "barba_lar_r5.bmp": 0.958,
+  "barba_flou_f1.bmp": 0.983,
+  "barba_flou_f2.bmp": 0.918,
+  "barba_flou_f3.bmp": 0.86,
+  "barba_flou_f4.bmp": 0.82,
+  "barba_flou_f5.bmp": 0.794,
+  "barba_j2000_r1.bmp": 0.985,
+  "barba_j2000_r2.bmp": 0.973,
+  "barba_j2000_r3.bmp": 0.947,
+  "barba_j2000_r4.bmp": 0.915,
+  "barba_j2000_r5.bmp": 0.83,
+  "barba_jpeg_lumichr_r1.bmp": 0.981,
+  "barba_jpeg_lumichr_r2.bmp": 0.966,
+  "barba_jpeg_lumichr_r3.bmp": 0.934,
+  "barba_jpeg_lumichr_r4.bmp": 0.897,
+  "barba_jpeg_lumichr_r5.bmp": 0.868,
+  "barba_jpeg_r1.bmp": 0.976,
+  "barba_jpeg_r2.bmp": 0.961,
+  "barba_jpeg_r3.bmp": 0.936,
+  "barba_jpeg_r4.bmp": 0.915,
+  "barba_jpeg_r5.bmp": 0.883,
+  "barba_lar_r1.bmp": 0.82,
+  "barba_lar_r2.bmp": 0.865,
+  "barba_lar_r3.bmp": 0.911,
+  "barba_lar_r4.bmp": 0.952,
+  "barba_lar_r5.bmp": 0.966,
   "boats.bmp": 1,
-  "boats_flou_f1.bmp": 0.978,
-  "boats_flou_f2.bmp": 0.957,
-  "boats_flou_f3.bmp": 0.932,
-  "boats_flou_f4.bmp": 0.851,
-  "boats_flou_f5.bmp": 0.81,
-  "boats_j2000_r1.bmp": 0.972,
-  "boats_j2000_r2.bmp": 0.952,
-  "boats_j2000_r3.bmp": 0.927,
-  "boats_j2000_r4.bmp": 0.904,
-  "boats_j2000_r5.bmp": 0.856,
-  "boats_jpeg_r1.bmp": 0.951,
-  "boats_jpeg_r2.bmp": 0.94,
-  "boats_jpeg_r3.bmp": 0.918,
-  "boats_jpeg_r4.bmp": 0.896,
-  "boats_jpeg_r5.bmp": 0.867,
-  "boats_lar_r1.bmp": 0.863,
-  "boats_lar_r2.bmp": 0.911,
-  "boats_lar_r3.bmp": 0.923,
-  "boats_lar_r4.bmp": 0.946,
-  "boats_lar_r5.bmp": 0.962,
+  "boats_flou_f1.bmp": 0.977,
+  "boats_flou_f2.bmp": 0.952,
+  "boats_flou_f3.bmp": 0.922,
+  "boats_flou_f4.bmp": 0.825,
+  "boats_flou_f5.bmp": 0.777,
+  "boats_j2000_r1.bmp": 0.98,
+  "boats_j2000_r2.bmp": 0.963,
+  "boats_j2000_r3.bmp": 0.936,
+  "boats_j2000_r4.bmp": 0.908,
+  "boats_j2000_r5.bmp": 0.85,
+  "boats_jpeg_r1.bmp": 0.978,
+  "boats_jpeg_r2.bmp": 0.97,
+  "boats_jpeg_r3.bmp": 0.95,
+  "boats_jpeg_r4.bmp": 0.933,
+  "boats_jpeg_r5.bmp": 0.908,
+  "boats_lar_r1.bmp": 0.837,
+  "boats_lar_r2.bmp": 0.892,
+  "boats_lar_r3.bmp": 0.907,
+  "boats_lar_r4.bmp": 0.947,
+  "boats_lar_r5.bmp": 0.97,
   "clown.bmp": 1,
-  "clown_j2000_r1.bmp": 0.973,
-  "clown_j2000_r2.bmp": 0.945,
-  "clown_j2000_r3.bmp": 0.938,
-  "clown_j2000_r4.bmp": 0.899,
-  "clown_j2000_r5.bmp": 0.841,
-  "clown_jpeg_lumichr_r1.bmp": 0.925,
-  "clown_jpeg_lumichr_r2.bmp": 0.893,
-  "clown_jpeg_lumichr_r3.bmp": 0.83,
-  "clown_jpeg_lumichr_r4.bmp": 0.796,
-  "clown_jpeg_lumichr_r5.bmp": 0.714,
-  "clown_jpeg_r1.bmp": 0.934,
-  "clown_jpeg_r2.bmp": 0.911,
-  "clown_jpeg_r3.bmp": 0.887,
-  "clown_jpeg_r4.bmp": 0.833,
-  "clown_jpeg_r5.bmp": 0.821,
-  "clown_lar_r1.bmp": 0.825,
-  "clown_lar_r2.bmp": 0.883,
-  "clown_lar_r3.bmp": 0.895,
-  "clown_lar_r4.bmp": 0.946,
-  "clown_lar_r5.bmp": 0.955,
+  "clown_j2000_r1.bmp": 0.987,
+  "clown_j2000_r2.bmp": 0.968,
+  "clown_j2000_r3.bmp": 0.958,
+  "clown_j2000_r4.bmp": 0.922,
+  "clown_j2000_r5.bmp": 0.857,
+  "clown_jpeg_lumichr_r1.bmp": 0.95,
+  "clown_jpeg_lumichr_r2.bmp": 0.926,
+  "clown_jpeg_lumichr_r3.bmp": 0.877,
+  "clown_jpeg_lumichr_r4.bmp": 0.85,
+  "clown_jpeg_lumichr_r5.bmp": 0.789,
+  "clown_jpeg_r1.bmp": 0.984,
+  "clown_jpeg_r2.bmp": 0.968,
+  "clown_jpeg_r3.bmp": 0.952,
+  "clown_jpeg_r4.bmp": 0.91,
+  "clown_jpeg_r5.bmp": 0.898,
+  "clown_lar_r1.bmp": 0.809,
+  "clown_lar_r2.bmp": 0.888,
+  "clown_lar_r3.bmp": 0.9,
+  "clown_lar_r4.bmp": 0.958,
+  "clown_lar_r5.bmp": 0.97,
   "fruit.bmp": 1,
-  "fruit_flou_f1.bmp": 0.983,
-  "fruit_flou_f2.bmp": 0.923,
-  "fruit_flou_f3.bmp": 0.875,
-  "fruit_flou_f4.bmp": 0.817,
-  "fruit_flou_f5.bmp": 0.752,
-  "fruit_j2000_r1.bmp": 0.988,
-  "fruit_j2000_r2.bmp": 0.969,
-  "fruit_j2000_r3.bmp": 0.945,
-  "fruit_j2000_r4.bmp": 0.896,
-  "fruit_j2000_r5.bmp": 0.847,
-  "fruit_jpeg_lumichr_r1.bmp": 0.967,
-  "fruit_jpeg_lumichr_r2.bmp": 0.963,
-  "fruit_jpeg_lumichr_r3.bmp": 0.916,
-  "fruit_jpeg_lumichr_r4.bmp": 0.875,
-  "fruit_jpeg_lumichr_r5.bmp": 0.838,
-  "fruit_jpeg_r1.bmp": 0.96,
-  "fruit_jpeg_r2.bmp": 0.948,
-  "fruit_jpeg_r3.bmp": 0.929,
-  "fruit_jpeg_r4.bmp": 0.887,
-  "fruit_jpeg_r5.bmp": 0.866,
-  "fruit_lar_r1.bmp": 0.891,
-  "fruit_lar_r2.bmp": 0.944,
-  "fruit_lar_r3.bmp": 0.95,
-  "fruit_lar_r4.bmp": 0.968,
-  "fruit_lar_r5.bmp": 0.972,
+  "fruit_flou_f1.bmp": 0.978,
+  "fruit_flou_f2.bmp": 0.903,
+  "fruit_flou_f3.bmp": 0.846,
+  "fruit_flou_f4.bmp": 0.779,
+  "fruit_flou_f5.bmp": 0.704,
+  "fruit_j2000_r1.bmp": 0.991,
+  "fruit_j2000_r2.bmp": 0.976,
+  "fruit_j2000_r3.bmp": 0.955,
+  "fruit_j2000_r4.bmp": 0.904,
+  "fruit_j2000_r5.bmp": 0.85,
+  "fruit_jpeg_lumichr_r1.bmp": 0.975,
+  "fruit_jpeg_lumichr_r2.bmp": 0.975,
+  "fruit_jpeg_lumichr_r3.bmp": 0.946,
+  "fruit_jpeg_lumichr_r4.bmp": 0.925,
+  "fruit_jpeg_lumichr_r5.bmp": 0.9,
+  "fruit_jpeg_r1.bmp": 0.986,
+  "fruit_jpeg_r2.bmp": 0.977,
+  "fruit_jpeg_r3.bmp": 0.967,
+  "fruit_jpeg_r4.bmp": 0.93,
+  "fruit_jpeg_r5.bmp": 0.912,
+  "fruit_lar_r1.bmp": 0.872,
+  "fruit_lar_r2.bmp": 0.94,
+  "fruit_lar_r3.bmp": 0.947,
+  "fruit_lar_r4.bmp": 0.97,
+  "fruit_lar_r5.bmp": 0.975,
   "house.bmp": 1,
-  "house_j2000_r1.bmp": 0.981,
-  "house_j2000_r2.bmp": 0.972,
-  "house_j2000_r3.bmp": 0.944,
-  "house_j2000_r4.bmp": 0.91,
-  "house_j2000_r5.bmp": 0.86,
-  "house_jpeg_r1.bmp": 0.946,
-  "house_jpeg_r2.bmp": 0.939,
-  "house_jpeg_r3.bmp": 0.915,
-  "house_jpeg_r4.bmp": 0.886,
-  "house_jpeg_r5.bmp": 0.858,
-  "house_lar_r1.bmp": 0.883,
-  "house_lar_r2.bmp": 0.911,
-  "house_lar_r3.bmp": 0.942,
+  "house_j2000_r1.bmp": 0.984,
+  "house_j2000_r2.bmp": 0.975,
+  "house_j2000_r3.bmp": 0.951,
+  "house_j2000_r4.bmp": 0.914,
+  "house_j2000_r5.bmp": 0.846,
+  "house_jpeg_r1.bmp": 0.982,
+  "house_jpeg_r2.bmp": 0.969,
+  "house_jpeg_r3.bmp": 0.95,
+  "house_jpeg_r4.bmp": 0.912,
+  "house_jpeg_r5.bmp": 0.878,
+  "house_lar_r1.bmp": 0.846,
+  "house_lar_r2.bmp": 0.887,
+  "house_lar_r3.bmp": 0.93,
   "house_lar_r4.bmp": 0.956,
-  "house_lar_r5.bmp": 0.958,
+  "house_lar_r5.bmp": 0.969,
   "isabe.bmp": 1,
-  "isabe_j2000_r1.bmp": 0.967,
-  "isabe_j2000_r2.bmp": 0.954,
-  "isabe_j2000_r3.bmp": 0.928,
-  "isabe_j2000_r4.bmp": 0.918,
-  "isabe_j2000_r5.bmp": 0.888,
-  "isabe_jpeg_lumichr_r1.bmp": 0.962,
-  "isabe_jpeg_lumichr_r2.bmp": 0.948,
-  "isabe_jpeg_lumichr_r3.bmp": 0.923,
-  "isabe_jpeg_lumichr_r4.bmp": 0.883,
-  "isabe_jpeg_lumichr_r5.bmp": 0.842,
-  "isabe_jpeg_r1.bmp": 0.916,
-  "isabe_jpeg_r2.bmp": 0.904,
-  "isabe_jpeg_r3.bmp": 0.88,
-  "isabe_jpeg_r4.bmp": 0.86,
-  "isabe_jpeg_r5.bmp": 0.824,
+  "isabe_j2000_r1.bmp": 0.98,
+  "isabe_j2000_r2.bmp": 0.967,
+  "isabe_j2000_r3.bmp": 0.937,
+  "isabe_j2000_r4.bmp": 0.912,
+  "isabe_j2000_r5.bmp": 0.864,
+  "isabe_jpeg_lumichr_r1.bmp": 0.971,
+  "isabe_jpeg_lumichr_r2.bmp": 0.959,
+  "isabe_jpeg_lumichr_r3.bmp": 0.939,
+  "isabe_jpeg_lumichr_r4.bmp": 0.903,
+  "isabe_jpeg_lumichr_r5.bmp": 0.866,
+  "isabe_jpeg_r1.bmp": 0.975,
+  "isabe_jpeg_r2.bmp": 0.965,
+  "isabe_jpeg_r3.bmp": 0.944,
+  "isabe_jpeg_r4.bmp": 0.922,
+  "isabe_jpeg_r5.bmp": 0.877,
   "lenat.bmp": 1,
-  "lenat_flou_f1.bmp": 0.985,
-  "lenat_flou_f2.bmp": 0.941,
-  "lenat_flou_f3.bmp": 0.901,
-  "lenat_flou_f4.bmp": 0.887,
-  "lenat_flou_f5.bmp": 0.846,
-  "lenat_j2000_r1.bmp": 0.979,
-  "lenat_j2000_r2.bmp": 0.959,
-  "lenat_j2000_r3.bmp": 0.936,
-  "lenat_j2000_r4.bmp": 0.918,
-  "lenat_j2000_r5.bmp": 0.892,
-  "lenat_jpeg_r1.bmp": 0.95,
-  "lenat_jpeg_r2.bmp": 0.939,
-  "lenat_jpeg_r3.bmp": 0.908,
-  "lenat_jpeg_r4.bmp": 0.874,
-  "lenat_jpeg_r5.bmp": 0.859,
-  "lenat_lar_r1.bmp": 0.902,
-  "lenat_lar_r2.bmp": 0.933,
-  "lenat_lar_r3.bmp": 0.948,
-  "lenat_lar_r4.bmp": 0.959,
-  "lenat_lar_r5.bmp": 0.963,
+  "lenat_flou_f1.bmp": 0.982,
+  "lenat_flou_f2.bmp": 0.933,
+  "lenat_flou_f3.bmp": 0.878,
+  "lenat_flou_f4.bmp": 0.86,
+  "lenat_flou_f5.bmp": 0.806,
+  "lenat_j2000_r1.bmp": 0.988,
+  "lenat_j2000_r2.bmp": 0.972,
+  "lenat_j2000_r3.bmp": 0.951,
+  "lenat_j2000_r4.bmp": 0.936,
+  "lenat_j2000_r5.bmp": 0.901,
+  "lenat_jpeg_r1.bmp": 0.98,
+  "lenat_jpeg_r2.bmp": 0.974,
+  "lenat_jpeg_r3.bmp": 0.951,
+  "lenat_jpeg_r4.bmp": 0.928,
+  "lenat_jpeg_r5.bmp": 0.911,
+  "lenat_lar_r1.bmp": 0.886,
+  "lenat_lar_r2.bmp": 0.932,
+  "lenat_lar_r3.bmp": 0.947,
+  "lenat_lar_r4.bmp": 0.966,
+  "lenat_lar_r5.bmp": 0.972,
   "mandr.bmp": 1,
-  "mandr_j2000_r1.bmp": 0.914,
-  "mandr_j2000_r2.bmp": 0.898,
-  "mandr_j2000_r3.bmp": 0.831,
-  "mandr_j2000_r4.bmp": 0.721,
-  "mandr_j2000_r5.bmp": 0.612,
-  "mandr_jpeg_lumichr_r1.bmp": 0.943,
-  "mandr_jpeg_lumichr_r2.bmp": 0.927,
-  "mandr_jpeg_lumichr_r3.bmp": 0.849,
-  "mandr_jpeg_lumichr_r4.bmp": 0.818,
-  "mandr_jpeg_lumichr_r5.bmp": 0.735,
-  "mandr_jpeg_r1.bmp": 0.913,
-  "mandr_jpeg_r2.bmp": 0.867,
-  "mandr_jpeg_r3.bmp": 0.81,
-  "mandr_jpeg_r4.bmp": 0.773,
-  "mandr_jpeg_r5.bmp": 0.718,
-  "mandr_lar_r1.bmp": 0.751,
-  "mandr_lar_r2.bmp": 0.818,
-  "mandr_lar_r3.bmp": 0.873,
-  "mandr_lar_r4.bmp": 0.891,
-  "mandr_lar_r5.bmp": 0.916,
+  "mandr_j2000_r1.bmp": 0.946,
+  "mandr_j2000_r2.bmp": 0.926,
+  "mandr_j2000_r3.bmp": 0.869,
+  "mandr_j2000_r4.bmp": 0.732,
+  "mandr_j2000_r5.bmp": 0.6,
+  "mandr_jpeg_lumichr_r1.bmp": 0.957,
+  "mandr_jpeg_lumichr_r2.bmp": 0.944,
+  "mandr_jpeg_lumichr_r3.bmp": 0.873,
+  "mandr_jpeg_lumichr_r4.bmp": 0.839,
+  "mandr_jpeg_lumichr_r5.bmp": 0.748,
+  "mandr_jpeg_r1.bmp": 0.968,
+  "mandr_jpeg_r2.bmp": 0.931,
+  "mandr_jpeg_r3.bmp": 0.877,
+  "mandr_jpeg_r4.bmp": 0.845,
+  "mandr_jpeg_r5.bmp": 0.778,
+  "mandr_lar_r1.bmp": 0.723,
+  "mandr_lar_r2.bmp": 0.803,
+  "mandr_lar_r3.bmp": 0.877,
+  "mandr_lar_r4.bmp": 0.908,
+  "mandr_lar_r5.bmp": 0.941,
   "pimen.bmp": 1,
-  "pimen_j2000_r1.bmp": 0.979,
-  "pimen_j2000_r2.bmp": 0.962,
-  "pimen_j2000_r3.bmp": 0.947,
-  "pimen_j2000_r4.bmp": 0.909,
-  "pimen_j2000_r5.bmp": 0.781,
-  "pimen_jpeg_r1.bmp": 0.92,
-  "pimen_jpeg_r2.bmp": 0.904,
-  "pimen_jpeg_r3.bmp": 0.893,
-  "pimen_jpeg_r4.bmp": 0.851,
-  "pimen_jpeg_r5.bmp": 0.815,
-  "pimen_lar_r1.bmp": 0.902,
-  "pimen_lar_r2.bmp": 0.941,
-  "pimen_lar_r3.bmp": 0.943,
-  "pimen_lar_r4.bmp": 0.952,
-  "pimen_lar_r5.bmp": 0.953
+  "pimen_j2000_r1.bmp": 0.984,
+  "pimen_j2000_r2.bmp": 0.969,
+  "pimen_j2000_r3.bmp": 0.954,
+  "pimen_j2000_r4.bmp": 0.915,
+  "pimen_j2000_r5.bmp": 0.775,
+  "pimen_jpeg_r1.bmp": 0.97,
+  "pimen_jpeg_r2.bmp": 0.962,
+  "pimen_jpeg_r3.bmp": 0.954,
+  "pimen_jpeg_r4.bmp": 0.925,
+  "pimen_jpeg_r5.bmp": 0.902,
+  "pimen_lar_r1.bmp": 0.894,
+  "pimen_lar_r2.bmp": 0.932,
+  "pimen_lar_r3.bmp": 0.955,
+  "pimen_lar_r4.bmp": 0.972,
+  "pimen_lar_r5.bmp": 0.976
 }
diff --git a/spec/samples/IVC_color-weber.json b/spec/samples/IVC_color-weber.json
index 1debf565..a2f7c645 100644
--- a/spec/samples/IVC_color-weber.json
+++ b/spec/samples/IVC_color-weber.json
@@ -1,197 +1,197 @@
 {
   "avion.bmp": 1,
   "avion_j2000_r1.bmp": 0.983,
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-  "avion_j2000_r3.bmp": 0.943,
-  "avion_j2000_r4.bmp": 0.932,
-  "avion_j2000_r5.bmp": 0.898,
-  "avion_jpeg_r1.bmp": 0.948,
-  "avion_jpeg_r2.bmp": 0.941,
-  "avion_jpeg_r3.bmp": 0.923,
-  "avion_jpeg_r4.bmp": 0.908,
-  "avion_jpeg_r5.bmp": 0.893,
+  "avion_j2000_r2.bmp": 0.965,
+  "avion_j2000_r3.bmp": 0.94,
+  "avion_j2000_r4.bmp": 0.931,
+  "avion_j2000_r5.bmp": 0.889,
+  "avion_jpeg_r1.bmp": 0.974,
+  "avion_jpeg_r2.bmp": 0.967,
+  "avion_jpeg_r3.bmp": 0.951,
+  "avion_jpeg_r4.bmp": 0.935,
+  "avion_jpeg_r5.bmp": 0.909,
   "barba.bmp": 1,
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-  "barba_flou_f2.bmp": 0.928,
-  "barba_flou_f3.bmp": 0.878,
-  "barba_flou_f4.bmp": 0.849,
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-  "barba_j2000_r1.bmp": 0.977,
-  "barba_j2000_r2.bmp": 0.962,
-  "barba_j2000_r3.bmp": 0.936,
-  "barba_j2000_r4.bmp": 0.901,
-  "barba_j2000_r5.bmp": 0.829,
-  "barba_jpeg_lumichr_r1.bmp": 0.973,
-  "barba_jpeg_lumichr_r2.bmp": 0.954,
-  "barba_jpeg_lumichr_r3.bmp": 0.917,
-  "barba_jpeg_lumichr_r4.bmp": 0.875,
-  "barba_jpeg_lumichr_r5.bmp": 0.846,
-  "barba_jpeg_r1.bmp": 0.954,
-  "barba_jpeg_r2.bmp": 0.938,
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-  "barba_lar_r3.bmp": 0.917,
-  "barba_lar_r4.bmp": 0.946,
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+  "barba_flou_f2.bmp": 0.92,
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+  "barba_j2000_r5.bmp": 0.834,
+  "barba_jpeg_lumichr_r1.bmp": 0.981,
+  "barba_jpeg_lumichr_r2.bmp": 0.966,
+  "barba_jpeg_lumichr_r3.bmp": 0.935,
+  "barba_jpeg_lumichr_r4.bmp": 0.898,
+  "barba_jpeg_lumichr_r5.bmp": 0.871,
+  "barba_jpeg_r1.bmp": 0.977,
+  "barba_jpeg_r2.bmp": 0.962,
+  "barba_jpeg_r3.bmp": 0.937,
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+  "barba_jpeg_r5.bmp": 0.886,
+  "barba_lar_r1.bmp": 0.823,
+  "barba_lar_r2.bmp": 0.864,
+  "barba_lar_r3.bmp": 0.912,
+  "barba_lar_r4.bmp": 0.951,
+  "barba_lar_r5.bmp": 0.966,
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-  "boats_j2000_r5.bmp": 0.862,
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-  "boats_jpeg_r2.bmp": 0.942,
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-  "boats_jpeg_r5.bmp": 0.868,
-  "boats_lar_r1.bmp": 0.868,
-  "boats_lar_r2.bmp": 0.916,
-  "boats_lar_r3.bmp": 0.928,
+  "boats_flou_f1.bmp": 0.982,
+  "boats_flou_f2.bmp": 0.961,
+  "boats_flou_f3.bmp": 0.933,
+  "boats_flou_f4.bmp": 0.842,
+  "boats_flou_f5.bmp": 0.796,
+  "boats_j2000_r1.bmp": 0.981,
+  "boats_j2000_r2.bmp": 0.966,
+  "boats_j2000_r3.bmp": 0.94,
+  "boats_j2000_r4.bmp": 0.914,
+  "boats_j2000_r5.bmp": 0.856,
+  "boats_jpeg_r1.bmp": 0.978,
+  "boats_jpeg_r2.bmp": 0.971,
+  "boats_jpeg_r3.bmp": 0.952,
+  "boats_jpeg_r4.bmp": 0.936,
+  "boats_jpeg_r5.bmp": 0.912,
+  "boats_lar_r1.bmp": 0.842,
+  "boats_lar_r2.bmp": 0.897,
+  "boats_lar_r3.bmp": 0.913,
   "boats_lar_r4.bmp": 0.95,
-  "boats_lar_r5.bmp": 0.964,
+  "boats_lar_r5.bmp": 0.972,
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-  "clown_j2000_r1.bmp": 0.973,
-  "clown_j2000_r2.bmp": 0.946,
-  "clown_j2000_r3.bmp": 0.94,
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-  "clown_jpeg_lumichr_r2.bmp": 0.893,
-  "clown_jpeg_lumichr_r3.bmp": 0.828,
-  "clown_jpeg_lumichr_r4.bmp": 0.795,
-  "clown_jpeg_lumichr_r5.bmp": 0.718,
-  "clown_jpeg_r1.bmp": 0.937,
-  "clown_jpeg_r2.bmp": 0.914,
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-  "clown_lar_r3.bmp": 0.906,
-  "clown_lar_r4.bmp": 0.951,
-  "clown_lar_r5.bmp": 0.961,
+  "clown_j2000_r1.bmp": 0.988,
+  "clown_j2000_r2.bmp": 0.971,
+  "clown_j2000_r3.bmp": 0.962,
+  "clown_j2000_r4.bmp": 0.93,
+  "clown_j2000_r5.bmp": 0.872,
+  "clown_jpeg_lumichr_r1.bmp": 0.953,
+  "clown_jpeg_lumichr_r2.bmp": 0.93,
+  "clown_jpeg_lumichr_r3.bmp": 0.881,
+  "clown_jpeg_lumichr_r4.bmp": 0.855,
+  "clown_jpeg_lumichr_r5.bmp": 0.797,
+  "clown_jpeg_r1.bmp": 0.985,
+  "clown_jpeg_r2.bmp": 0.97,
+  "clown_jpeg_r3.bmp": 0.954,
+  "clown_jpeg_r4.bmp": 0.914,
+  "clown_jpeg_r5.bmp": 0.903,
+  "clown_lar_r1.bmp": 0.83,
+  "clown_lar_r2.bmp": 0.9,
+  "clown_lar_r3.bmp": 0.911,
+  "clown_lar_r4.bmp": 0.96,
+  "clown_lar_r5.bmp": 0.973,
   "fruit.bmp": 1,
-  "fruit_flou_f1.bmp": 0.987,
-  "fruit_flou_f2.bmp": 0.935,
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-  "fruit_j2000_r5.bmp": 0.863,
-  "fruit_jpeg_lumichr_r1.bmp": 0.967,
-  "fruit_jpeg_lumichr_r2.bmp": 0.962,
-  "fruit_jpeg_lumichr_r3.bmp": 0.918,
-  "fruit_jpeg_lumichr_r4.bmp": 0.877,
-  "fruit_jpeg_lumichr_r5.bmp": 0.841,
-  "fruit_jpeg_r1.bmp": 0.96,
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-  "fruit_lar_r3.bmp": 0.952,
-  "fruit_lar_r4.bmp": 0.968,
-  "fruit_lar_r5.bmp": 0.972,
+  "fruit_flou_f1.bmp": 0.985,
+  "fruit_flou_f2.bmp": 0.924,
+  "fruit_flou_f3.bmp": 0.875,
+  "fruit_flou_f4.bmp": 0.811,
+  "fruit_flou_f5.bmp": 0.736,
+  "fruit_j2000_r1.bmp": 0.991,
+  "fruit_j2000_r2.bmp": 0.977,
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+  "fruit_j2000_r5.bmp": 0.874,
+  "fruit_jpeg_lumichr_r1.bmp": 0.977,
+  "fruit_jpeg_lumichr_r2.bmp": 0.976,
+  "fruit_jpeg_lumichr_r3.bmp": 0.948,
+  "fruit_jpeg_lumichr_r4.bmp": 0.929,
+  "fruit_jpeg_lumichr_r5.bmp": 0.904,
+  "fruit_jpeg_r1.bmp": 0.986,
+  "fruit_jpeg_r2.bmp": 0.978,
+  "fruit_jpeg_r3.bmp": 0.968,
+  "fruit_jpeg_r4.bmp": 0.933,
+  "fruit_jpeg_r5.bmp": 0.915,
+  "fruit_lar_r1.bmp": 0.887,
+  "fruit_lar_r2.bmp": 0.943,
+  "fruit_lar_r3.bmp": 0.95,
+  "fruit_lar_r4.bmp": 0.971,
+  "fruit_lar_r5.bmp": 0.976,
   "house.bmp": 1,
-  "house_j2000_r1.bmp": 0.981,
-  "house_j2000_r2.bmp": 0.973,
+  "house_j2000_r1.bmp": 0.984,
+  "house_j2000_r2.bmp": 0.975,
   "house_j2000_r3.bmp": 0.95,
-  "house_j2000_r4.bmp": 0.917,
-  "house_j2000_r5.bmp": 0.868,
-  "house_jpeg_r1.bmp": 0.962,
-  "house_jpeg_r2.bmp": 0.947,
-  "house_jpeg_r3.bmp": 0.925,
-  "house_jpeg_r4.bmp": 0.895,
-  "house_jpeg_r5.bmp": 0.867,
-  "house_lar_r1.bmp": 0.897,
-  "house_lar_r2.bmp": 0.938,
-  "house_lar_r3.bmp": 0.947,
-  "house_lar_r4.bmp": 0.963,
-  "house_lar_r5.bmp": 0.969,
+  "house_j2000_r4.bmp": 0.916,
+  "house_j2000_r5.bmp": 0.859,
+  "house_jpeg_r1.bmp": 0.982,
+  "house_jpeg_r2.bmp": 0.971,
+  "house_jpeg_r3.bmp": 0.952,
+  "house_jpeg_r4.bmp": 0.919,
+  "house_jpeg_r5.bmp": 0.889,
+  "house_lar_r1.bmp": 0.866,
+  "house_lar_r2.bmp": 0.918,
+  "house_lar_r3.bmp": 0.931,
+  "house_lar_r4.bmp": 0.957,
+  "house_lar_r5.bmp": 0.968,
   "isabe.bmp": 1,
-  "isabe_j2000_r1.bmp": 0.968,
-  "isabe_j2000_r2.bmp": 0.957,
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-  "isabe_jpeg_lumichr_r1.bmp": 0.962,
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-  "isabe_jpeg_lumichr_r3.bmp": 0.923,
-  "isabe_jpeg_lumichr_r4.bmp": 0.881,
-  "isabe_jpeg_lumichr_r5.bmp": 0.838,
-  "isabe_jpeg_r1.bmp": 0.917,
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-  "isabe_jpeg_r3.bmp": 0.882,
-  "isabe_jpeg_r4.bmp": 0.859,
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+  "isabe_j2000_r1.bmp": 0.983,
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+  "isabe_j2000_r5.bmp": 0.869,
+  "isabe_jpeg_lumichr_r1.bmp": 0.973,
+  "isabe_jpeg_lumichr_r2.bmp": 0.962,
+  "isabe_jpeg_lumichr_r3.bmp": 0.943,
+  "isabe_jpeg_lumichr_r4.bmp": 0.907,
+  "isabe_jpeg_lumichr_r5.bmp": 0.868,
+  "isabe_jpeg_r1.bmp": 0.977,
+  "isabe_jpeg_r2.bmp": 0.968,
+  "isabe_jpeg_r3.bmp": 0.948,
+  "isabe_jpeg_r4.bmp": 0.928,
+  "isabe_jpeg_r5.bmp": 0.882,
   "lenat.bmp": 1,
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-  "lenat_lar_r5.bmp": 0.963,
+  "lenat_flou_f1.bmp": 0.991,
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+  "lenat_flou_f3.bmp": 0.906,
+  "lenat_flou_f4.bmp": 0.89,
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+  "lenat_jpeg_r3.bmp": 0.953,
+  "lenat_jpeg_r4.bmp": 0.929,
+  "lenat_jpeg_r5.bmp": 0.912,
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+  "lenat_lar_r2.bmp": 0.934,
+  "lenat_lar_r3.bmp": 0.949,
+  "lenat_lar_r4.bmp": 0.966,
+  "lenat_lar_r5.bmp": 0.972,
   "mandr.bmp": 1,
-  "mandr_j2000_r1.bmp": 0.923,
-  "mandr_j2000_r2.bmp": 0.909,
-  "mandr_j2000_r3.bmp": 0.844,
-  "mandr_j2000_r4.bmp": 0.742,
-  "mandr_j2000_r5.bmp": 0.63,
-  "mandr_jpeg_lumichr_r1.bmp": 0.948,
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-  "mandr_jpeg_lumichr_r3.bmp": 0.862,
-  "mandr_jpeg_lumichr_r4.bmp": 0.833,
-  "mandr_jpeg_lumichr_r5.bmp": 0.756,
-  "mandr_jpeg_r1.bmp": 0.919,
-  "mandr_jpeg_r2.bmp": 0.874,
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-  "mandr_jpeg_r4.bmp": 0.785,
-  "mandr_jpeg_r5.bmp": 0.732,
-  "mandr_lar_r1.bmp": 0.766,
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-  "mandr_lar_r3.bmp": 0.879,
-  "mandr_lar_r4.bmp": 0.896,
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+  "mandr_j2000_r2.bmp": 0.936,
+  "mandr_j2000_r3.bmp": 0.882,
+  "mandr_j2000_r4.bmp": 0.756,
+  "mandr_j2000_r5.bmp": 0.625,
+  "mandr_jpeg_lumichr_r1.bmp": 0.961,
+  "mandr_jpeg_lumichr_r2.bmp": 0.949,
+  "mandr_jpeg_lumichr_r3.bmp": 0.883,
+  "mandr_jpeg_lumichr_r4.bmp": 0.853,
+  "mandr_jpeg_lumichr_r5.bmp": 0.768,
+  "mandr_jpeg_r1.bmp": 0.971,
+  "mandr_jpeg_r2.bmp": 0.937,
+  "mandr_jpeg_r3.bmp": 0.888,
+  "mandr_jpeg_r4.bmp": 0.857,
+  "mandr_jpeg_r5.bmp": 0.797,
+  "mandr_lar_r1.bmp": 0.743,
+  "mandr_lar_r2.bmp": 0.824,
+  "mandr_lar_r3.bmp": 0.882,
+  "mandr_lar_r4.bmp": 0.912,
+  "mandr_lar_r5.bmp": 0.945,
   "pimen.bmp": 1,
-  "pimen_j2000_r1.bmp": 0.979,
-  "pimen_j2000_r2.bmp": 0.962,
-  "pimen_j2000_r3.bmp": 0.949,
-  "pimen_j2000_r4.bmp": 0.917,
-  "pimen_j2000_r5.bmp": 0.8,
-  "pimen_jpeg_r1.bmp": 0.936,
-  "pimen_jpeg_r2.bmp": 0.925,
-  "pimen_jpeg_r3.bmp": 0.913,
-  "pimen_jpeg_r4.bmp": 0.871,
-  "pimen_jpeg_r5.bmp": 0.837,
-  "pimen_lar_r1.bmp": 0.914,
-  "pimen_lar_r2.bmp": 0.948,
+  "pimen_j2000_r1.bmp": 0.984,
+  "pimen_j2000_r2.bmp": 0.97,
+  "pimen_j2000_r3.bmp": 0.957,
+  "pimen_j2000_r4.bmp": 0.925,
+  "pimen_j2000_r5.bmp": 0.807,
+  "pimen_jpeg_r1.bmp": 0.971,
+  "pimen_jpeg_r2.bmp": 0.965,
+  "pimen_jpeg_r3.bmp": 0.957,
+  "pimen_jpeg_r4.bmp": 0.928,
+  "pimen_jpeg_r5.bmp": 0.905,
+  "pimen_lar_r1.bmp": 0.908,
+  "pimen_lar_r2.bmp": 0.944,
   "pimen_lar_r3.bmp": 0.956,
-  "pimen_lar_r4.bmp": 0.965,
-  "pimen_lar_r5.bmp": 0.967
+  "pimen_lar_r4.bmp": 0.973,
+  "pimen_lar_r5.bmp": 0.977
 }
diff --git a/spec/samples/IVC_color.json b/spec/samples/IVC_color.json
index 32a5b1dc..e10c1aaf 100644
--- a/spec/samples/IVC_color.json
+++ b/spec/samples/IVC_color.json
@@ -1,197 +1,197 @@
 {
   "avion.bmp": 1,
-  "avion_j2000_r1.bmp": 0.981,
+  "avion_j2000_r1.bmp": 0.979,
   "avion_j2000_r2.bmp": 0.955,
-  "avion_j2000_r3.bmp": 0.936,
-  "avion_j2000_r4.bmp": 0.924,
-  "avion_j2000_r5.bmp": 0.89,
-  "avion_jpeg_r1.bmp": 0.945,
-  "avion_jpeg_r2.bmp": 0.937,
-  "avion_jpeg_r3.bmp": 0.92,
-  "avion_jpeg_r4.bmp": 0.905,
-  "avion_jpeg_r5.bmp": 0.893,
+  "avion_j2000_r3.bmp": 0.928,
+  "avion_j2000_r4.bmp": 0.915,
+  "avion_j2000_r5.bmp": 0.865,
+  "avion_jpeg_r1.bmp": 0.967,
+  "avion_jpeg_r2.bmp": 0.96,
+  "avion_jpeg_r3.bmp": 0.942,
+  "avion_jpeg_r4.bmp": 0.925,
+  "avion_jpeg_r5.bmp": 0.904,
   "barba.bmp": 1,
-  "barba_flou_f1.bmp": 0.98,
-  "barba_flou_f2.bmp": 0.902,
-  "barba_flou_f3.bmp": 0.833,
-  "barba_flou_f4.bmp": 0.795,
-  "barba_flou_f5.bmp": 0.77,
-  "barba_j2000_r1.bmp": 0.967,
-  "barba_j2000_r2.bmp": 0.948,
-  "barba_j2000_r3.bmp": 0.913,
-  "barba_j2000_r4.bmp": 0.87,
-  "barba_j2000_r5.bmp": 0.781,
-  "barba_jpeg_lumichr_r1.bmp": 0.962,
-  "barba_jpeg_lumichr_r2.bmp": 0.937,
-  "barba_jpeg_lumichr_r3.bmp": 0.888,
-  "barba_jpeg_lumichr_r4.bmp": 0.835,
-  "barba_jpeg_lumichr_r5.bmp": 0.8,
-  "barba_jpeg_r1.bmp": 0.938,
-  "barba_jpeg_r2.bmp": 0.916,
-  "barba_jpeg_r3.bmp": 0.882,
-  "barba_jpeg_r4.bmp": 0.853,
-  "barba_jpeg_r5.bmp": 0.812,
-  "barba_lar_r1.bmp": 0.788,
-  "barba_lar_r2.bmp": 0.831,
-  "barba_lar_r3.bmp": 0.886,
-  "barba_lar_r4.bmp": 0.925,
-  "barba_lar_r5.bmp": 0.941,
+  "barba_flou_f1.bmp": 0.977,
+  "barba_flou_f2.bmp": 0.887,
+  "barba_flou_f3.bmp": 0.809,
+  "barba_flou_f4.bmp": 0.768,
+  "barba_flou_f5.bmp": 0.741,
+  "barba_j2000_r1.bmp": 0.981,
+  "barba_j2000_r2.bmp": 0.962,
+  "barba_j2000_r3.bmp": 0.926,
+  "barba_j2000_r4.bmp": 0.882,
+  "barba_j2000_r5.bmp": 0.771,
+  "barba_jpeg_lumichr_r1.bmp": 0.971,
+  "barba_jpeg_lumichr_r2.bmp": 0.95,
+  "barba_jpeg_lumichr_r3.bmp": 0.906,
+  "barba_jpeg_lumichr_r4.bmp": 0.857,
+  "barba_jpeg_lumichr_r5.bmp": 0.822,
+  "barba_jpeg_r1.bmp": 0.965,
+  "barba_jpeg_r2.bmp": 0.943,
+  "barba_jpeg_r3.bmp": 0.909,
+  "barba_jpeg_r4.bmp": 0.882,
+  "barba_jpeg_r5.bmp": 0.842,
+  "barba_lar_r1.bmp": 0.759,
+  "barba_lar_r2.bmp": 0.81,
+  "barba_lar_r3.bmp": 0.874,
+  "barba_lar_r4.bmp": 0.928,
+  "barba_lar_r5.bmp": 0.949,
   "boats.bmp": 1,
-  "boats_flou_f1.bmp": 0.982,
-  "boats_flou_f2.bmp": 0.96,
-  "boats_flou_f3.bmp": 0.932,
-  "boats_flou_f4.bmp": 0.844,
-  "boats_flou_f5.bmp": 0.801,
-  "boats_j2000_r1.bmp": 0.968,
-  "boats_j2000_r2.bmp": 0.947,
-  "boats_j2000_r3.bmp": 0.92,
+  "boats_flou_f1.bmp": 0.979,
+  "boats_flou_f2.bmp": 0.952,
+  "boats_flou_f3.bmp": 0.917,
+  "boats_flou_f4.bmp": 0.804,
+  "boats_flou_f5.bmp": 0.75,
+  "boats_j2000_r1.bmp": 0.975,
+  "boats_j2000_r2.bmp": 0.956,
+  "boats_j2000_r3.bmp": 0.923,
   "boats_j2000_r4.bmp": 0.893,
-  "boats_j2000_r5.bmp": 0.843,
-  "boats_jpeg_r1.bmp": 0.945,
-  "boats_jpeg_r2.bmp": 0.935,
-  "boats_jpeg_r3.bmp": 0.912,
-  "boats_jpeg_r4.bmp": 0.894,
-  "boats_jpeg_r5.bmp": 0.864,
-  "boats_lar_r1.bmp": 0.845,
-  "boats_lar_r2.bmp": 0.896,
-  "boats_lar_r3.bmp": 0.911,
-  "boats_lar_r4.bmp": 0.938,
-  "boats_lar_r5.bmp": 0.957,
+  "boats_j2000_r5.bmp": 0.828,
+  "boats_jpeg_r1.bmp": 0.973,
+  "boats_jpeg_r2.bmp": 0.963,
+  "boats_jpeg_r3.bmp": 0.941,
+  "boats_jpeg_r4.bmp": 0.923,
+  "boats_jpeg_r5.bmp": 0.895,
+  "boats_lar_r1.bmp": 0.81,
+  "boats_lar_r2.bmp": 0.874,
+  "boats_lar_r3.bmp": 0.892,
+  "boats_lar_r4.bmp": 0.936,
+  "boats_lar_r5.bmp": 0.964,
   "clown.bmp": 1,
-  "clown_j2000_r1.bmp": 0.966,
-  "clown_j2000_r2.bmp": 0.934,
-  "clown_j2000_r3.bmp": 0.926,
-  "clown_j2000_r4.bmp": 0.888,
-  "clown_j2000_r5.bmp": 0.832,
-  "clown_jpeg_lumichr_r1.bmp": 0.908,
-  "clown_jpeg_lumichr_r2.bmp": 0.871,
-  "clown_jpeg_lumichr_r3.bmp": 0.798,
-  "clown_jpeg_lumichr_r4.bmp": 0.762,
-  "clown_jpeg_lumichr_r5.bmp": 0.677,
-  "clown_jpeg_r1.bmp": 0.924,
-  "clown_jpeg_r2.bmp": 0.899,
-  "clown_jpeg_r3.bmp": 0.876,
-  "clown_jpeg_r4.bmp": 0.818,
-  "clown_jpeg_r5.bmp": 0.805,
-  "clown_lar_r1.bmp": 0.818,
-  "clown_lar_r2.bmp": 0.875,
-  "clown_lar_r3.bmp": 0.889,
-  "clown_lar_r4.bmp": 0.939,
-  "clown_lar_r5.bmp": 0.95,
+  "clown_j2000_r1.bmp": 0.984,
+  "clown_j2000_r2.bmp": 0.959,
+  "clown_j2000_r3.bmp": 0.946,
+  "clown_j2000_r4.bmp": 0.904,
+  "clown_j2000_r5.bmp": 0.83,
+  "clown_jpeg_lumichr_r1.bmp": 0.936,
+  "clown_jpeg_lumichr_r2.bmp": 0.907,
+  "clown_jpeg_lumichr_r3.bmp": 0.846,
+  "clown_jpeg_lumichr_r4.bmp": 0.817,
+  "clown_jpeg_lumichr_r5.bmp": 0.752,
+  "clown_jpeg_r1.bmp": 0.978,
+  "clown_jpeg_r2.bmp": 0.958,
+  "clown_jpeg_r3.bmp": 0.938,
+  "clown_jpeg_r4.bmp": 0.887,
+  "clown_jpeg_r5.bmp": 0.874,
+  "clown_lar_r1.bmp": 0.783,
+  "clown_lar_r2.bmp": 0.871,
+  "clown_lar_r3.bmp": 0.885,
+  "clown_lar_r4.bmp": 0.945,
+  "clown_lar_r5.bmp": 0.96,
   "fruit.bmp": 1,
-  "fruit_flou_f1.bmp": 0.983,
-  "fruit_flou_f2.bmp": 0.913,
-  "fruit_flou_f3.bmp": 0.857,
-  "fruit_flou_f4.bmp": 0.79,
-  "fruit_flou_f5.bmp": 0.718,
-  "fruit_j2000_r1.bmp": 0.982,
-  "fruit_j2000_r2.bmp": 0.956,
-  "fruit_j2000_r3.bmp": 0.926,
-  "fruit_j2000_r4.bmp": 0.872,
-  "fruit_j2000_r5.bmp": 0.827,
-  "fruit_jpeg_lumichr_r1.bmp": 0.947,
-  "fruit_jpeg_lumichr_r2.bmp": 0.942,
-  "fruit_jpeg_lumichr_r3.bmp": 0.881,
-  "fruit_jpeg_lumichr_r4.bmp": 0.832,
-  "fruit_jpeg_lumichr_r5.bmp": 0.787,
-  "fruit_jpeg_r1.bmp": 0.945,
-  "fruit_jpeg_r2.bmp": 0.932,
-  "fruit_jpeg_r3.bmp": 0.91,
-  "fruit_jpeg_r4.bmp": 0.862,
-  "fruit_jpeg_r5.bmp": 0.838,
-  "fruit_lar_r1.bmp": 0.866,
-  "fruit_lar_r2.bmp": 0.926,
-  "fruit_lar_r3.bmp": 0.934,
-  "fruit_lar_r4.bmp": 0.955,
-  "fruit_lar_r5.bmp": 0.96,
+  "fruit_flou_f1.bmp": 0.98,
+  "fruit_flou_f2.bmp": 0.895,
+  "fruit_flou_f3.bmp": 0.828,
+  "fruit_flou_f4.bmp": 0.745,
+  "fruit_flou_f5.bmp": 0.656,
+  "fruit_j2000_r1.bmp": 0.986,
+  "fruit_j2000_r2.bmp": 0.962,
+  "fruit_j2000_r3.bmp": 0.934,
+  "fruit_j2000_r4.bmp": 0.871,
+  "fruit_j2000_r5.bmp": 0.818,
+  "fruit_jpeg_lumichr_r1.bmp": 0.959,
+  "fruit_jpeg_lumichr_r2.bmp": 0.96,
+  "fruit_jpeg_lumichr_r3.bmp": 0.92,
+  "fruit_jpeg_lumichr_r4.bmp": 0.894,
+  "fruit_jpeg_lumichr_r5.bmp": 0.859,
+  "fruit_jpeg_r1.bmp": 0.978,
+  "fruit_jpeg_r2.bmp": 0.963,
+  "fruit_jpeg_r3.bmp": 0.95,
+  "fruit_jpeg_r4.bmp": 0.899,
+  "fruit_jpeg_r5.bmp": 0.876,
+  "fruit_lar_r1.bmp": 0.835,
+  "fruit_lar_r2.bmp": 0.915,
+  "fruit_lar_r3.bmp": 0.923,
+  "fruit_lar_r4.bmp": 0.954,
+  "fruit_lar_r5.bmp": 0.961,
   "house.bmp": 1,
-  "house_j2000_r1.bmp": 0.975,
-  "house_j2000_r2.bmp": 0.965,
-  "house_j2000_r3.bmp": 0.934,
-  "house_j2000_r4.bmp": 0.892,
-  "house_j2000_r5.bmp": 0.83,
-  "house_jpeg_r1.bmp": 0.952,
-  "house_jpeg_r2.bmp": 0.935,
-  "house_jpeg_r3.bmp": 0.91,
-  "house_jpeg_r4.bmp": 0.872,
-  "house_jpeg_r5.bmp": 0.842,
-  "house_lar_r1.bmp": 0.868,
-  "house_lar_r2.bmp": 0.919,
-  "house_lar_r3.bmp": 0.929,
-  "house_lar_r4.bmp": 0.95,
-  "house_lar_r5.bmp": 0.959,
+  "house_j2000_r1.bmp": 0.978,
+  "house_j2000_r2.bmp": 0.966,
+  "house_j2000_r3.bmp": 0.931,
+  "house_j2000_r4.bmp": 0.885,
+  "house_j2000_r5.bmp": 0.811,
+  "house_jpeg_r1.bmp": 0.976,
+  "house_jpeg_r2.bmp": 0.961,
+  "house_jpeg_r3.bmp": 0.938,
+  "house_jpeg_r4.bmp": 0.897,
+  "house_jpeg_r5.bmp": 0.864,
+  "house_lar_r1.bmp": 0.827,
+  "house_lar_r2.bmp": 0.894,
+  "house_lar_r3.bmp": 0.907,
+  "house_lar_r4.bmp": 0.94,
+  "house_lar_r5.bmp": 0.954,
   "isabe.bmp": 1,
-  "isabe_j2000_r1.bmp": 0.962,
-  "isabe_j2000_r2.bmp": 0.95,
-  "isabe_j2000_r3.bmp": 0.918,
-  "isabe_j2000_r4.bmp": 0.909,
-  "isabe_j2000_r5.bmp": 0.876,
-  "isabe_jpeg_lumichr_r1.bmp": 0.95,
-  "isabe_jpeg_lumichr_r2.bmp": 0.933,
-  "isabe_jpeg_lumichr_r3.bmp": 0.904,
-  "isabe_jpeg_lumichr_r4.bmp": 0.858,
-  "isabe_jpeg_lumichr_r5.bmp": 0.811,
-  "isabe_jpeg_r1.bmp": 0.904,
-  "isabe_jpeg_r2.bmp": 0.891,
-  "isabe_jpeg_r3.bmp": 0.869,
-  "isabe_jpeg_r4.bmp": 0.848,
-  "isabe_jpeg_r5.bmp": 0.817,
+  "isabe_j2000_r1.bmp": 0.976,
+  "isabe_j2000_r2.bmp": 0.959,
+  "isabe_j2000_r3.bmp": 0.923,
+  "isabe_j2000_r4.bmp": 0.89,
+  "isabe_j2000_r5.bmp": 0.83,
+  "isabe_jpeg_lumichr_r1.bmp": 0.961,
+  "isabe_jpeg_lumichr_r2.bmp": 0.945,
+  "isabe_jpeg_lumichr_r3.bmp": 0.92,
+  "isabe_jpeg_lumichr_r4.bmp": 0.875,
+  "isabe_jpeg_lumichr_r5.bmp": 0.828,
+  "isabe_jpeg_r1.bmp": 0.968,
+  "isabe_jpeg_r2.bmp": 0.956,
+  "isabe_jpeg_r3.bmp": 0.93,
+  "isabe_jpeg_r4.bmp": 0.905,
+  "isabe_jpeg_r5.bmp": 0.851,
   "lenat.bmp": 1,
-  "lenat_flou_f1.bmp": 0.986,
-  "lenat_flou_f2.bmp": 0.935,
-  "lenat_flou_f3.bmp": 0.89,
-  "lenat_flou_f4.bmp": 0.875,
-  "lenat_flou_f5.bmp": 0.83,
-  "lenat_j2000_r1.bmp": 0.973,
-  "lenat_j2000_r2.bmp": 0.949,
-  "lenat_j2000_r3.bmp": 0.922,
-  "lenat_j2000_r4.bmp": 0.904,
-  "lenat_j2000_r5.bmp": 0.877,
-  "lenat_jpeg_r1.bmp": 0.938,
-  "lenat_jpeg_r2.bmp": 0.926,
-  "lenat_jpeg_r3.bmp": 0.894,
-  "lenat_jpeg_r4.bmp": 0.861,
-  "lenat_jpeg_r5.bmp": 0.846,
-  "lenat_lar_r1.bmp": 0.884,
-  "lenat_lar_r2.bmp": 0.918,
-  "lenat_lar_r3.bmp": 0.936,
-  "lenat_lar_r4.bmp": 0.947,
-  "lenat_lar_r5.bmp": 0.952,
+  "lenat_flou_f1.bmp": 0.989,
+  "lenat_flou_f2.bmp": 0.934,
+  "lenat_flou_f3.bmp": 0.874,
+  "lenat_flou_f4.bmp": 0.853,
+  "lenat_flou_f5.bmp": 0.79,
+  "lenat_j2000_r1.bmp": 0.983,
+  "lenat_j2000_r2.bmp": 0.96,
+  "lenat_j2000_r3.bmp": 0.932,
+  "lenat_j2000_r4.bmp": 0.915,
+  "lenat_j2000_r5.bmp": 0.876,
+  "lenat_jpeg_r1.bmp": 0.971,
+  "lenat_jpeg_r2.bmp": 0.963,
+  "lenat_jpeg_r3.bmp": 0.935,
+  "lenat_jpeg_r4.bmp": 0.906,
+  "lenat_jpeg_r5.bmp": 0.884,
+  "lenat_lar_r1.bmp": 0.858,
+  "lenat_lar_r2.bmp": 0.911,
+  "lenat_lar_r3.bmp": 0.93,
+  "lenat_lar_r4.bmp": 0.951,
+  "lenat_lar_r5.bmp": 0.959,
   "mandr.bmp": 1,
-  "mandr_j2000_r1.bmp": 0.895,
-  "mandr_j2000_r2.bmp": 0.878,
-  "mandr_j2000_r3.bmp": 0.799,
-  "mandr_j2000_r4.bmp": 0.678,
-  "mandr_j2000_r5.bmp": 0.558,
-  "mandr_jpeg_lumichr_r1.bmp": 0.93,
-  "mandr_jpeg_lumichr_r2.bmp": 0.913,
-  "mandr_jpeg_lumichr_r3.bmp": 0.825,
-  "mandr_jpeg_lumichr_r4.bmp": 0.792,
-  "mandr_jpeg_lumichr_r5.bmp": 0.702,
-  "mandr_jpeg_r1.bmp": 0.893,
-  "mandr_jpeg_r2.bmp": 0.84,
-  "mandr_jpeg_r3.bmp": 0.777,
-  "mandr_jpeg_r4.bmp": 0.74,
-  "mandr_jpeg_r5.bmp": 0.683,
-  "mandr_lar_r1.bmp": 0.702,
-  "mandr_lar_r2.bmp": 0.785,
-  "mandr_lar_r3.bmp": 0.838,
-  "mandr_lar_r4.bmp": 0.86,
-  "mandr_lar_r5.bmp": 0.895,
+  "mandr_j2000_r1.bmp": 0.934,
+  "mandr_j2000_r2.bmp": 0.91,
+  "mandr_j2000_r3.bmp": 0.84,
+  "mandr_j2000_r4.bmp": 0.686,
+  "mandr_j2000_r5.bmp": 0.542,
+  "mandr_jpeg_lumichr_r1.bmp": 0.946,
+  "mandr_jpeg_lumichr_r2.bmp": 0.93,
+  "mandr_jpeg_lumichr_r3.bmp": 0.846,
+  "mandr_jpeg_lumichr_r4.bmp": 0.81,
+  "mandr_jpeg_lumichr_r5.bmp": 0.708,
+  "mandr_jpeg_r1.bmp": 0.96,
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