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- # Input image
- image = cv2.imread('oaHUs.jpg')
- # Converts to grey for better reulsts
- gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
- # Converts to HSV
- hsv = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
- # HSV values
- lower_skin = np.array([5,36,53])
- upper_skin = np.array([19,120,125])
- mask = cv2.inRange(hsv, lower_skin, upper_skin)
- mask = cv2.erode(mask, None, iterations=2)
- mask = cv2.dilate(mask, None, iterations=2)
- # Finds contours
- im2, cnts, hierarchy = cv2.findContours(mask.copy(), cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
- # Draws contours
- for c in cnts:
- if cv2.contourArea(c) < 3000:
- continue
- (x, y, w, h) = cv2.boundingRect(c)
- cv2.rectangle(image, (x,y), (x+w,y+h), (0, 255, 0), 2)
- ## BEGIN - draw rotated rectangle
- rect = cv2.minAreaRect(c)
- box = cv2.boxPoints(rect)
- box = np.int0(box)
- cv2.drawContours(image,[box],0,(0,191,255),2)
- ## END - draw rotated rectangle
- cv2.imwrite('out.png', image)
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