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

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check for empty line image, ht @andbue, fix #48
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Mike Gerber 2021-01-20 15:37:50 +01:00 • committed by GitHub
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ocrd_calamari/recognize.py
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@ -79,6 +79,7 @@ class CalamariRecognize(Processor):
line_images_np = [] line_images_np = []
for (line_no, line) in enumerate(textlines): for (line_no, line) in enumerate(textlines):
line_image, line_coords = self.workspace.image_from_segment(line, region_image, region_xywh) 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_image_np = np.array(line_image, dtype=np.uint8)
line_images_np.append(line_image_np) line_images_np.append(line_image_np)
raw_results_all = self.predictor.predict_raw(line_images_np, progress_bar=False) raw_results_all = self.predictor.predict_raw(line_images_np, progress_bar=False)