66 lines
No EOL
1.7 KiB
Python
66 lines
No EOL
1.7 KiB
Python
import cv2
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import sys
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tracker = cv2.TrackerMIL_create()
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# Read video
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video = cv2.VideoCapture("./validation/TestVideo.mp4")
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# Exit if video not opened.
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if not video.isOpened():
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print("Could not open video")
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sys.exit()
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# Read first frame.
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ok, frame = video.read()
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if not ok:
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print('Cannot read video file')
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sys.exit()
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# Define an initial bounding box
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bbox = (857, 189, 346, 434)
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# Initialize tracker with first frame and bounding box
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ok = tracker.init(frame, bbox)
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frame_count = 0
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while True:
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# Read a new frame
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ok, frame = video.read()
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if not ok:
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break
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# Start timer
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timer = cv2.getTickCount()
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# Update tracker
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ok, bbox = tracker.update(frame)
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# Calculate Frames per second (FPS)
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fps = cv2.getTickFrequency() / (cv2.getTickCount() - timer);
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# Draw bounding box
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if ok:
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# Tracking success
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p1 = (int(bbox[0]), int(bbox[1]))
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p2 = (int(bbox[0] + bbox[2]), int(bbox[1] + bbox[3]))
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with open("./ground_truth.txt", 'a') as output_file:
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output_file.write(f"{frame_count}, {p1[0]}, {p1[1]}, {p2[0]}, {p2[1]}\n")
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cv2.rectangle(frame, p1, p2, (255,0,0), 2, 1)
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else :
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# Tracking failure
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cv2.putText(frame, "Tracking failure detected", (100,80), cv2.FONT_HERSHEY_SIMPLEX, 0.75,(0,0,255),2)
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# Display FPS on frame
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cv2.putText(frame, "FPS : " + str(int(fps)), (100,50), cv2.FONT_HERSHEY_SIMPLEX, 0.75, (50,170,50), 2)
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# Display result
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cv2.imshow("Tracking", frame)
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frame_count += 1
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# Exit if ESC pressed
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k = cv2.waitKey(1) & 0xff
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if k == 27 : break |