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Update calcBackProject_Demo1.py

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To round a ndarray it's necessary to use np.round() instead to Built-in Python round()
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Vahid Nikoofard 2020-04-14 00:23:53 -03:00 committed by GitHub
parent 675342ecd9
commit 575a609b80
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samples/python/tutorial_code/Histograms_Matching/back_projection/calcBackProject_Demo1.py
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@ -31,7 +31,7 @@ def Hist_and_Backproj(val):
histImg = np.zeros((h, w, 3), dtype=np.uint8) histImg = np.zeros((h, w, 3), dtype=np.uint8)
for i in range(bins): for i in range(bins):
cv.rectangle(histImg, (i*bin_w, h), ( (i+1)*bin_w, h - int(round( hist[i]*h/255.0 )) ), (0, 0, 255), cv.FILLED) cv.rectangle(histImg, (i*bin_w, h), ( (i+1)*bin_w, h - int(np.round( hist[i]*h/255.0 )) ), (0, 0, 255), cv.FILLED)
cv.imshow('Histogram', histImg) cv.imshow('Histogram', histImg)
## [Draw the histogram] ## [Draw the histogram]