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

check for empty line image, ht @andbue, fix #48
4 years ago · a014bab5b6
parent e7fb432e35 df530877dc
commit a014bab5b6
1 changed files with 1 additions and 0 deletions
--- a/ocrd_calamari/recognize.py
+++ b/ocrd_calamari/recognize.py
@ -79,6 +79,7 @@ class CalamariRecognize(Processor):
                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)