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app.c
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/******************************************************************
* File: dbs.c
* Authors: Yi Yang, Purdue University (built upon David Lieberman code)
* Date: Dec 2017
* Implementing: Jointly design Cyan, Magenta and Yellow screens using DBS
* It can write out matrix as "txt" or halftone image as "tif"
* Note that code can be easily changed so that
*******************************************************************/
#include "dbs.h"
#include <stdint.h>
#include "allocate.h"
Config* getConfigurations();
/* The entry point of the code.*/
int main(int argc, char **argv) {
time_t blockStart;
time_t blockEnd;
int randomizationSeed = 0;
double maxGrayLevel = 255.0;
Config *config = getConfigurations();
struct doubleImage *psf = generateHvsFunction(config);
struct doubleImage *cpp = generateCpp(psf);
struct doubleImage *inputImage = readDoubleImage(config->inputImagePath, maxGrayLevel, config->gamma);
struct doubleImage *inputImage2 = readDoubleImage(config->inputImagePath2, maxGrayLevel, config->gamma);
//struct doubleImage *inputImage3 = readDoubleImage(config->inputImagePath3, maxGrayLevel, config->gamma);
struct pxm_img *halftoneCMY = getInitialHalftone(config->initialHalftonePath, inputImage, maxGrayLevel, randomizationSeed);
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
struct pxm_img *halftoneCM = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
halftoneCM->height = halftoneCMY->height;
halftoneCM->width = halftoneCMY->width;
halftoneCM->pxm_type = 'g';
halftoneCM->mono = (uint8_t **) get_img(halftoneCM->width, halftoneCM->height, sizeof(uint8_t));
struct pxm_img *halftoneC = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
halftoneC->height = halftoneCMY->height;
halftoneC->width = halftoneCMY->width;
halftoneC->pxm_type = 'g';
halftoneC->mono = (uint8_t **) get_img(halftoneC->width, halftoneC->height, sizeof(uint8_t));
struct pxm_img *halftoneM = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
halftoneM->height = halftoneCMY->height;
halftoneM->width = halftoneCMY->width;
halftoneM->pxm_type = 'g';
halftoneM->mono = (uint8_t **) get_img(halftoneM->width, halftoneM->height, sizeof(uint8_t));
struct pxm_img *halftoneY = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
halftoneY->height = halftoneCMY->height;
halftoneY->width = halftoneCMY->width;
halftoneY->pxm_type = 'g';
halftoneY->mono = (uint8_t **) get_img(halftoneY->width, halftoneY->height, sizeof(uint8_t));
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
separateCM (halftoneCMY, halftoneCM, halftoneY, 0.66666, 0.33333);
separateCM (halftoneCM, halftoneC, halftoneM, 0.5, 0.5);
double test71 = countNum(halftoneC);
double test72 = countNum(halftoneM);
double test73 = countNum(halftoneY);
printf("The halftoneC, M, Y is %f, %f, %f\n ", test71, test72,test73);
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
struct doubleImage *cpeCMY = calculateCpe(inputImage, halftoneCMY, cpp);
struct doubleImage *cpeC = calculateCpe(inputImage2, halftoneC, cpp);
struct doubleImage *cpeM = calculateCpe(inputImage2, halftoneM, cpp);
struct doubleImage *cpeY = calculateCpe(inputImage2, halftoneY, cpp);
for (int i = 0; i<10; i++){
printf("Iteration %d : Jointly optimize C and Y patterns \n", i+1);
performCompleteDBSForScreenDesign(config,inputImage2,halftoneCMY,cpeCMY,halftoneC,cpeC,halftoneY,cpeY,
halftoneCMY,halftoneY, halftoneC, cpp, 1);
printf("Iteration %d :Jointly optimize M and Y patterns \n",i+1);
performCompleteDBSForScreenDesign(config,inputImage2,halftoneCMY,cpeCMY,halftoneM, cpeM, halftoneY,cpeY,
halftoneCMY,halftoneY, halftoneM, cpp, 1);
printf("Iteration %d :Jointly optimize C and M patterns\n",i+1);
performCompleteDBSForScreenDesign(config,inputImage2,halftoneCMY,cpeCMY,halftoneC,cpeC,halftoneM,cpeM,
halftoneCMY,halftoneM, halftoneC, cpp, 1);
}
struct pxm_img *htY = samepattern(halftoneY);
struct pxm_img *htC = samepattern(halftoneC);
struct pxm_img *htM = samepattern(halftoneM);
struct pxm_img *ht2Y = samepattern(halftoneY);
struct doubleImage *matrixC = AllocateMatrix(config->MatrixSize);
struct doubleImage *matrixM = AllocateMatrix(config->MatrixSize);
struct doubleImage *matrixY = AllocateMatrix(config->MatrixSize);
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
for (unsigned int seqId = 1; seqId <=85; seqId++){
fprintf(stdout,"\n***********************************************************************************************************");
fprintf(stdout, "\n \t\t\t MATRIX size %u Processing order: 85->0 (Level %u)", config->MatrixSize, (85 - seqId +1));
fprintf(stdout,"\n*********************************************************************************************************\n");
fflush(stdout);
//current level
double currentlevel = (double) (85 - seqId +1);
int level = (int)currentlevel;
//double level = (double) (generationSeq - seqId);
struct pxm_img* beforeC = samepattern(halftoneC);
struct pxm_img* beforeM = samepattern(halftoneM);
struct pxm_img* beforeY = samepattern(halftoneY);
double differ = 85 - currentlevel;
halftoneC = removeDots(halftoneC, differ, 4, config->MatrixSize, config->MaxLevel, 1);
halftoneM = removeDots(halftoneM, differ, 4, config->MatrixSize, config->MaxLevel, 1);
halftoneY = removeDots(halftoneY, differ, 4, config->MatrixSize, config->MaxLevel, 1);
printf("TEST \n");
double test325 = countNum(halftoneC);
double test326 = countNum(halftoneM);
double test327 = countNum(halftoneY);
printf("C, M ,Y after remove %f\n ", test325, test326, test327);
struct doubleImage *inputImageC1 = generateCTImage(halftoneC);
cpeC = calculateCpe(inputImageC1, halftoneC, cpp);
cpeM = calculateCpe(inputImageC1, halftoneM, cpp);
cpeY = calculateCpe(inputImageC1, halftoneY, cpp);
// Design uniform pattern respectively
performCompleteDBSForScreenDesign(config, inputImageC1,halftoneC,cpeC,halftoneC,cpeC,
halftoneC, cpeC, beforeC,beforeC, beforeC, cpp, 2);
performCompleteDBSForScreenDesign(config, inputImageC1,halftoneM,cpeM,halftoneM,cpeM,
halftoneM, cpeM, beforeM,beforeM, beforeM, cpp, 2);
performCompleteDBSForScreenDesign(config, inputImageC1,halftoneY,cpeY,halftoneY,cpeY,
halftoneY, cpeY, beforeY,beforeY, beforeY, cpp, 2);
struct pxm_img *differC = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differC->height = halftoneC->height;
differC->width = halftoneC->width;
differC->pxm_type = 'g';
differC->mono = (uint8_t **) get_img(differC->width, differC->height, sizeof(uint8_t));
struct pxm_img *differM = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differM->height = halftoneC->height;
differM->width = halftoneC->width;
differM->pxm_type = 'g';
differM->mono = (uint8_t **) get_img(differM->width, differM->height, sizeof(uint8_t));
struct pxm_img *differY = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differY->height = halftoneC->height;
differY->width = halftoneC->width;
differY->pxm_type = 'g';
differY->mono = (uint8_t **) get_img(differY->width, differY->height, sizeof(uint8_t));
differC = findDifference(halftoneC, beforeC, differC);
differM = findDifference(halftoneM, beforeM, differM);
differY = findDifference(halftoneY, beforeY, differY);
struct doubleImage *inputImageC2 = generateCTImage(differC);
cpeC = calculateCpe(inputImageC2, differC, cpp);
cpeM = calculateCpe(inputImageC2, differM, cpp);
cpeY = calculateCpe(inputImageC2, differY, cpp);
// Optimize overall uniform pattern
for (int i = 0; i<10; i++){
printf("Iteration %d : Jointly optimize C and Y patterns \n", i+1);
performCompleteDBSForScreenDesign(config,inputImageC2,halftoneC,cpeC,differC,cpeC,differY,cpeY,
beforeC,beforeC,beforeC,cpp, 1);
printf("Iteration %d :Jointly optimize M and Y patterns \n",i+1);
performCompleteDBSForScreenDesign(config,inputImageC2,halftoneC,cpeC,differM,cpeM,differY,cpeY,
beforeC,beforeC,beforeC,cpp, 1);
printf("Iteration %d :Jointly optimize C and M patterns\n",i+1);
performCompleteDBSForScreenDesign(config,inputImageC2,halftoneC,cpeC,differC,cpeC,differM,cpeM,
beforeC,beforeC,beforeC,cpp, 1);
}
updateMatrix(halftoneC, matrixC, currentlevel, 1, beforeC);
updateMatrix(halftoneM, matrixM, currentlevel, 1, beforeM);
updateMatrix(halftoneY, matrixY, currentlevel, 1, beforeY);
writeMatrix(matrixC, config->outputMatrixCPath);
writeMatrix(matrixM, config->outputMatrixMPath);
writeMatrix(matrixY, config->outputMatrixYPath);
//FREE memories
multifree((double *)inputImageC1->data,2);
free(inputImageC1);
multifree((double *)inputImageC2->data,2);
free(inputImageC2);
multifree((double *)cpeC->data,2);
free(cpeC);
multifree((double *)cpeM->data,2);
free(cpeM);
multifree((double *)cpeY->data,2);
free(cpeY);
free_pxm(differC);
free_pxm(beforeC);
free_pxm(differM);
free_pxm(beforeM);
free_pxm(differY);
free_pxm(beforeY);
}
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
// Level by level design from 86->128
for (unsigned int seqId = 1; seqId <= 43; seqId++){
fprintf(stdout,"\n***********************************************************************************************************");
fprintf(stdout, "\n \t\t\t MATRIX size %u Processing order: 86->128 (Level %u)", config->MatrixSize, (seqId +85));
fprintf(stdout,"\n*********************************************************************************************************\n");
fflush(stdout);
//current level
double currentlevel = (double) (seqId + 85);
int level = (int)currentlevel;
struct pxm_img *beforeY = samepattern(htY);
struct pxm_img *beforeC = samepattern(htC);
struct pxm_img *beforeM = samepattern(htM);
double differ = 129 - currentlevel;
double test61 = countNum(htY);
printf("before remove is %f\n ", test61);
int Ytwdots = ceil (((config->MaxLevel)/2)+2);
printf("Ytwdots is %d\n", Ytwdots );
htY = removeDots(htY, differ, 2, config->MatrixSize,Ytwdots, 2);
struct doubleImage *inputImageY = generateCTImage(htY);
cpeY = calculateCpe(inputImageY, htY, cpp);
performCompleteDBSForScreenDesign(config, inputImageY,htY,cpeY,htY,cpeY,
htY, cpeY, beforeY,beforeY, beforeY, cpp, 2);
struct pxm_img *differY = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differY->height = htY->height;
differY->width = htY->width;
differY->pxm_type = 'g';
differY->mono = (uint8_t **) get_img(differY->width, differY->height, sizeof(uint8_t));
differY = findDifference(htY, beforeY, differY);
double test6 = countNum(differY);
printf("The differY is %f\n ", test6);
struct pxm_img *differC = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differC->height = differY->height;
differC->width = differY->width;
differC->pxm_type = 'g';
differC->mono = (uint8_t **) get_img(differC->width, differC->height, sizeof(uint8_t));
struct pxm_img *differM = (struct pxm_img*) multialloc(sizeof(struct pxm_img), 1, 1);
differM->height = differY->height;
differM->width = differY->width;
differM->pxm_type = 'g';
differM->mono = (uint8_t **) get_img(differM->width, differM->height, sizeof(uint8_t));
htC = mergePattern(differY,htC, 0.50);
htM = mergePattern(differY,htM, 1);
double test29 = countNum(htC);
printf("The htC is %f\n ", test29);
double test28 = countNum(htM);
printf("The htM is %f\n ", test28);
struct doubleImage *inputImageC = generateCTImage(htC);
cpeC = calculateCpe(inputImageC, htC, cpp);
cpeM = calculateCpe(inputImageC, htM, cpp);
for (int i = 0; i<5; i++){
printf("Iteration %d :Jointly optimize C and M patterns\n",i+1);
performCompleteDBSForScreenDesign(config,inputImageC,htY,cpeY,htC,cpeC,htM,cpeM,
beforeY, beforeC, beforeM, cpp, 3);
}
updateMatrix(htC, matrixC, currentlevel, 1, beforeC);
updateMatrix(htM, matrixM, currentlevel, 1, beforeM);
writeMatrix(matrixC, config->outputMatrixCPath);
writeMatrix(matrixM, config->outputMatrixMPath);
//FREE memories
multifree((double *)inputImageY->data,2);
free(inputImageY);
multifree((double *)inputImageC->data,2);
free(inputImageC);
multifree((double *)cpeY->data,2);
free(cpeY);
multifree((double *)cpeC->data,2);
free(cpeC);
multifree((double *)cpeM->data,2);
free(cpeM);
free_pxm(differY);
free_pxm(beforeC);
free_pxm(beforeM);
free_pxm(beforeY);
}
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
// Level by level design from 128->255
printf("Part 3 of function");
for (unsigned int seqId = 1; seqId <= 170; seqId++){
fprintf(stdout,"\n***********************************************************************************************************");
fprintf(stdout, "\n \t\t\t MATRIX size %u Processing order: 128->255 (Level %u)", config->MatrixSize, (85 + seqId));
fprintf(stdout,"\n*********************************************************************************************************\n");
fflush(stdout);
//current level
double currentlevel = (double) (85 + seqId);
int level = (int)currentlevel;
double differ = currentlevel;
struct pxm_img* beforeC = samepattern(htC);
struct pxm_img* beforeM = samepattern(htM);
struct pxm_img* beforeY = samepattern(ht2Y);
if (currentlevel<129){
ht2Y = addDots (ht2Y,differ,2,config->MatrixSize, config->MaxLevel);
printf("add dots\n");
double count = countNum(ht2Y);
printf("Y dots is %f\n", count);
struct doubleImage *inputImageY = generateCTImage(ht2Y);
struct doubleImage *cpeY = calculateCpe(inputImageY, ht2Y, cpp);
performCompleteDBSForScreenDesign(config, inputImage,ht2Y,cpeY,ht2Y,cpeY,
ht2Y, cpeY, beforeY,beforeY, beforeY, cpp, 2);
updateMatrix(ht2Y, matrixY, currentlevel, 1, beforeY);
writeMatrix(matrixY, config->outputMatrixYPath);
}
else{
// C screen
htC = addDots (htC,differ,2,config->MatrixSize, config->MaxLevel);
printf("add dots\n");
double count2 = countNum(htC);
printf("C dots is %f\n", count2);
struct doubleImage *inputImageC = generateCTImage(htC);
struct doubleImage *cpeC = calculateCpe(inputImageC, htC, cpp);
performCompleteDBSForScreenDesign(config, inputImage,htC,cpeC,htC,cpeC,htC, cpeC,
beforeC,beforeC, beforeC,cpp, 2);
updateMatrix(htC, matrixC, currentlevel, 1, beforeC);
writeMatrix(matrixC, config->outputMatrixCPath);
// M screen
htM = addDots (htM,differ,2,config->MatrixSize, config->MaxLevel);
// printf("add dots\n");
double count1 = countNum(htM);
// printf("M dots is %f\n", count1);
struct doubleImage *inputImageM = generateCTImage(htM);
struct doubleImage *cpeM = calculateCpe(inputImageM, htM, cpp);
performCompleteDBSForScreenDesign(config, inputImage,htM,cpeM,htM,cpeM,htM, cpeM,
beforeM,beforeM, beforeM, cpp, 2);
updateMatrix(htM, matrixM, currentlevel, 1, beforeM);
writeMatrix(matrixM, config->outputMatrixMPath);
// Y screen
ht2Y = addDots (ht2Y,differ,2,config->MatrixSize, config->MaxLevel);
// printf("add dots\n");
double count = countNum(ht2Y);
// printf("Y dots is %f\n", count);
struct doubleImage *inputImageY = generateCTImage(ht2Y);
struct doubleImage *cpeY = calculateCpe(inputImageY, ht2Y, cpp);
performCompleteDBSForScreenDesign(config, inputImage,ht2Y,cpeY,ht2Y,cpeY,
ht2Y, cpeY, beforeY,beforeY, beforeY, cpp, 2);
updateMatrix(ht2Y, matrixY, currentlevel, 1, beforeY);
writeMatrix(matrixY, config->outputMatrixYPath);
//FREE memories
multifree((double *)inputImageY->data,2);
free(inputImageY);
multifree((double *)inputImageC->data,2);
free(inputImageC);
multifree((double *)inputImageM->data,2);
free(inputImageM);
multifree((double *)cpeY->data,2);
free(cpeY);
multifree((double *)cpeC->data,2);
free(cpeC);
multifree((double *)cpeM->data,2);
free(cpeM);
free_pxm(beforeC);
free_pxm(beforeM);
free_pxm(beforeY);
}
}
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
// Clean up!!
free(config);
free_pxm(htC);
free_pxm(htM);
free_pxm(htY);
free_pxm(ht2Y);
deallocateShiftedImage(cpp);
deallocateShiftedImage(psf);
fflush(stdout);
return(0);
printf("******************************************************************************\n ");
printf("Jointly level-by-level design C and M screens--Done! \n ");
printf("******************************************************************************\n ");
}
// Allocates and populate the configuration options used in DBS Mono with default values.
Config* getConfigurations() {
Config *config = malloc(sizeof(Config));
config->inputImagePath = "../samples/CT-CMY-128.tif";
config->inputImagePath2 = "../samples/CT-C-128.tif";
config->initialHalftonePath = "../samples/CMY-initial-128.tif";
config->MatrixSize = 128;
config->MaxLevel = 255;
config->outputMatrixCPath ="../out/128CMatrix.txt";
config->outputMatrixMPath ="../out/128MMatrix.txt";
config->outputMatrixYPath ="../out/128YMatrix.txt";
config->scaleFactor = 3500;
config->hvsSpreadSize = 23;
config->enableToggle = 0;
config->enableSwap = 1;
// config->applyWrapAround = 0;
config->gamma = 1.0;
config->blockHeight = 1;
config->blockWidth = 1;
config->swapSize = 128;
config->maxIterationCount = 200;
config->minAcceptableChangeCount = 5;
config->enableVerboseDebugging = 0;
return config;
}
// De-allocates a matrix whose 0-index in the center. This currently is used for the human visual
// system, and its autocorrelation.
void deallocateShiftedImage(struct doubleImage *image) {
// Deoffset the image, so that it can be freed.
for (int i = -image->borderSize; i <= image->borderSize; i++) {
image->data[i] -= image->borderSize;
}
image->data -= image->borderSize;
multifree((double*) image->data, 2);
free(image);
}