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- def get_contours():
- def progowanie(x):
- print("Progowanie: " + str(x))
- def rozmycie(x):
- print("rozmycie: " + str(x))
- img = cv2.imread('pies.jpg', 0)
- img_c = cv2.imread('pies.jpg')
- cv2.namedWindow('image')
- cv2.createTrackbar('progowanie1', 'image', 39, 255, progowanie)
- cv2.createTrackbar('progowanie2', 'image', 38, 255, progowanie)
- cv2.createTrackbar('rozmycie', 'image', 1, 7, rozmycie)
- imgshow = img
- while (1):
- cv2.imshow('image', imgshow)
- k = cv2.waitKey(1) & 0xFF
- # escape to end program
- if k == 27:
- break
- # get current positions of four trackbars
- progowanie1 = cv2.getTrackbarPos('progowanie1', 'image')
- progowanie2 = cv2.getTrackbarPos('progowanie2', 'image')
- blur = cv2.getTrackbarPos('rozmycie', 'image')
- if blur % 2 == 0:
- blur = blur + 1
- bluredImg = cv2.GaussianBlur(img, (blur, blur), 1.5)
- imgshow = cv2.Canny(bluredImg, progowanie1, progowanie2)
- im2, contours, hierarchy = cv2.findContours(imgshow, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
- cv2.drawContours(img_c, contours, -1, (0, 255, 0), 3)
- cv2.imshow('dst', img_c)
- if cv2.waitKey(0) & 0xff == 27:
- cv2.destroyAllWindows()
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