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order_of_regions: filter out-of-image peaks

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Robert Sachunsky 2025-10-20 13:26:01 +02:00
parent 48761c3e12
commit c43a825d1d
1 changed files with 7 additions and 6 deletions
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13
src/eynollah/utils/__init__.py
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@ -1216,15 +1216,16 @@ def order_of_regions(textline_mask, contours_main, contours_head, y_ref):
peaks_neg, _ = find_peaks(zneg, height=0) peaks_neg, _ = find_peaks(zneg, height=0)
peaks_neg = peaks_neg - 20 - 20 peaks_neg = peaks_neg - 20 - 20
##plt.plot(z) peaks_neg_new = np.array([0] +
##plt.show() # peaks can be beyond box due to padding and smoothing
cx_main, cy_main = find_center_of_contours(contours_main) [peak for peak in peaks_neg
cx_head, cy_head = find_center_of_contours(contours_head) if 0 < peak and peak < textline_mask.shape[0]] +
[textline_mask.shape[0]])
peaks_neg_new = np.append(np.insert(peaks_neg, 0, 0), textline_mask.shape[0])
# offset from bbox of mask # offset from bbox of mask
peaks_neg_new += y_ref peaks_neg_new += y_ref
cx_main, cy_main = find_center_of_contours(contours_main)
cx_head, cy_head = find_center_of_contours(contours_head)
# assert not len(cy_main) or np.min(peaks_neg_new) <= np.min(cy_main) and np.max(cy_main) <= np.max(peaks_neg_new) # assert not len(cy_main) or np.min(peaks_neg_new) <= np.min(cy_main) and np.max(cy_main) <= np.max(peaks_neg_new)
# assert not len(cy_head) or np.min(peaks_neg_new) <= np.min(cy_head) and np.max(cy_head) <= np.max(peaks_neg_new) # assert not len(cy_head) or np.min(peaks_neg_new) <= np.min(cy_head) and np.max(cy_head) <= np.max(peaks_neg_new)