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py_tutorials: fix cv2.findContours return val

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berak 2016-07-10 11:17:00 +02:00
parent 630406e006
commit e233f7d199
2 changed files with 5 additions and 5 deletions
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2
doc/py_tutorials/py_imgproc/py_contours/py_contour_features/py_contour_features.markdown
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@ -23,7 +23,7 @@ import numpy as np
img = cv2.imread('star.jpg',0) img = cv2.imread('star.jpg',0)
ret,thresh = cv2.threshold(img,127,255,0) ret,thresh = cv2.threshold(img,127,255,0)
contours,hierarchy = cv2.findContours(thresh, 1, 2) im2,contours,hierarchy = cv2.findContours(thresh, 1, 2)
cnt = contours[0] cnt = contours[0]
M = cv2.moments(cnt) M = cv2.moments(cnt)

6
doc/py_tutorials/py_imgproc/py_contours/py_contours_more_functions/py_contours_more_functions.markdown
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@ -39,7 +39,7 @@ import numpy as np
img = cv2.imread('star.jpg') img = cv2.imread('star.jpg')
img_gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) img_gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
ret,thresh = cv2.threshold(img_gray, 127, 255,0) ret,thresh = cv2.threshold(img_gray, 127, 255,0)
contours,hierarchy = cv2.findContours(thresh,2,1) im2,contours,hierarchy = cv2.findContours(thresh,2,1)
cnt = contours[0] cnt = contours[0]
hull = cv2.convexHull(cnt,returnPoints = False) hull = cv2.convexHull(cnt,returnPoints = False)
@ -93,9 +93,9 @@ img2 = cv2.imread('star2.jpg',0)
ret, thresh = cv2.threshold(img1, 127, 255,0) ret, thresh = cv2.threshold(img1, 127, 255,0)
ret, thresh2 = cv2.threshold(img2, 127, 255,0) ret, thresh2 = cv2.threshold(img2, 127, 255,0)
contours,hierarchy = cv2.findContours(thresh,2,1) im2,contours,hierarchy = cv2.findContours(thresh,2,1)
cnt1 = contours[0] cnt1 = contours[0]
contours,hierarchy = cv2.findContours(thresh2,2,1) im2,contours,hierarchy = cv2.findContours(thresh2,2,1)
cnt2 = contours[0] cnt2 = contours[0]
ret = cv2.matchShapes(cnt1,cnt2,1,0.0) ret = cv2.matchShapes(cnt1,cnt2,1,0.0)