import random, string
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import numpy as np
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import cv2
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def generate_id(length=32):
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return ''.join(random.choices(string.ascii_lowercase + string.digits, k=length))
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cap = cv2.VideoCapture(1)
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cars = [
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[(420, 375), (500, 480)],
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[(505, 340), (590, 440)],
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[(415, 240), (495, 330)],
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[(485, 235), (550, 320)]
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]
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ambulance = [(250, 130), (400, 240)]
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while(True):
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# Capture frame-by-frame
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ret, frame = cap.read()
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key = cv2.waitKey(1) & 0xFF
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if key == ord('s'):
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cv2.imwrite(generate_id(12) + ".jpg", frame[100:600, 240:600])
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for i in cars:
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cv2.rectangle(frame, *i, (0, 0, 255), 2)
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cv2.rectangle(frame, *ambulance, (255, 0, 0), 2)
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frame = frame[100:600, 240:600]
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cv2.imshow('frame', frame)
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if key == ord('q'):
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break
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# When everything done, release the capture
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cap.release()
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cv2.destroyAllWindows()
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