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46 lines
1.3 KiB
46 lines
1.3 KiB
import cv2
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import numpy as np
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# IT IS WORK !!!!!!
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cam = cv2.VideoCapture(0)
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while True:
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_, frame = cam.read()
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hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
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hsv = cv2.blur(hsv,(5,5))
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mask = cv2.inRange(hsv, (78,154,93),(86,224,255))
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(contours, hierarchy) = cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
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cv2.drawContours(frame, contours, -1, (255,0,0), 3, cv2.LINE_AA, hierarchy, 1 )
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max_radius = 0
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center = (0,0)
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for contour in contours:
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(x,y),radius = cv2.minEnclosingCircle(contour)
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if max_radius < int(radius):
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max_radius = int(radius)
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center = (int(x),int(y))
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frame = cv2.circle(frame,center,max_radius,(0,255,0),2)
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S = 3.1415 * max_radius * max_radius
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cv2.putText(frame, str(S), (30, 30),cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 10, 10), 2)
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if S > 100:
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if S > 10000:
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cv2.putText(frame, "UP", (30, 60),cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 10, 10), 2)
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elif S < 5000:
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cv2.putText(frame, "DOWN", (30, 60),cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 10, 10), 2)
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#cv2.imshow("Image with opening", mask)
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#cv2.imshow("Image with closing", hsv)
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cv2.imshow("Image", frame)
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k = cv2.waitKey(2)
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if k == 27:
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cv2.destroyAllWindows()
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break |