Merge pull request #49 from OCR-D/fix-48

check for empty line image, ht @andbue, fix #48
OCR-D · Jan 20, 2021 · a014bab · a014bab
2 parents e7fb432 + df53087
commit a014bab
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ocrd_calamari/recognize.py b/ocrd_calamari/recognize.py
@@ -79,6 +79,7 @@ def process(self):
                 line_images_np = []
                 for (line_no, line) in enumerate(textlines):
                     line_image, line_coords = self.workspace.image_from_segment(line, region_image, region_xywh)
+                    line_image = line_image if all(line_image.size) else [[0]]
                     line_image_np = np.array(line_image, dtype=np.uint8)
                     line_images_np.append(line_image_np)
                 raw_results_all = self.predictor.predict_raw(line_images_np, progress_bar=False)