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find_num_col: exit early if empty (avoiding exceptions)

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Robert Sachunsky 2025-09-20 00:56:33 +02:00
parent 04c3d7dd1b
commit b94c96fcbb
1 changed files with 11 additions and 0 deletions
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11
src/eynollah/utils/__init__.py
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@ -383,6 +383,10 @@ def find_num_col_deskew(regions_without_separators, sigma_, multiplier=3.8):
return np.std(z)
def find_num_col(regions_without_separators, num_col_classifier, tables, multiplier=3.8):
if not regions_without_separators.any():
return 0, []
#plt.imshow(regions_without_separators)
#plt.show()
regions_without_separators_0 = regions_without_separators.sum(axis=0)
##plt.plot(regions_without_separators_0)
##plt.show()
@ -402,6 +406,9 @@ def find_num_col(regions_without_separators, num_col_classifier, tables, multipl
zneg = gaussian_filter1d(zneg, sigma_)
peaks_neg, _ = find_peaks(zneg, height=0)
#plt.plot(zneg)
#plt.plot(peaks_neg, zneg[peaks_neg], 'rx')
#plt.show()
peaks, _ = find_peaks(z, height=0)
peaks_neg = peaks_neg - 10 - 10
@ -416,9 +423,13 @@ def find_num_col(regions_without_separators, num_col_classifier, tables, multipl
(peaks_neg < (regions_without_separators.shape[1] - 370))]
interest_pos = z[peaks]
interest_pos = interest_pos[interest_pos > 10]
if not interest_pos.any():
return 0, []
# plt.plot(z)
# plt.show()
interest_neg = z[peaks_neg]
if not interest_neg.any():
return 0, []
min_peaks_pos = np.min(interest_pos)
max_peaks_pos = np.max(interest_pos)