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-
- import time
- import cv2
- import sys
-
- tracker = cv2.TrackerCSRT_create()
- video = cv2.VideoCapture('./01.mp4')
- if not video.isOpened():
- print("Could not open video")
- sys.exit()
-
- i=0
- while True:
- ok, frame = video.read()
-
- if ok is None or frame is None:
- break
- else:
- i+=1
- frame = cv2.resize(frame, (960, 540))
-
- if i==1:
- box = cv2.selectROI("Frame", frame, fromCenter=False,showCrosshair=True)
- ok = tracker.init(frame, box)
- if not ok:
- continue
- success, bbox = tracker.update(frame)
-
- if success:
- p1 = (int(bbox[0]), int(bbox[1]))
- p2 = (int(bbox[0] + bbox[2]), int(bbox[1] + bbox[3]))
- cv2.rectangle(frame, p1, p2, (255, 0, 0), 2, 1)
- else:
- cv2.putText(frame, "Tracking failure detected", (100, 80), cv2.FONT_HERSHEY_SIMPLEX, 0.75, (0, 0, 255), 2)
-
- cv2.imshow("Frame", frame)
- key = cv2.waitKey(1) & 0xFF
-
-
- video.release()
- cv2.destroyAllWindows()
为啥要做个记录,是因为4.5版本的opencv中使用csrt跟踪器的例子实在不好找.
https://github.com/abhiWriteCode/Object-Tracking这位朋友写的opencv常用跟踪器在4.5上行不通,官方给的是c++的例子,我是好不容易在https://www.pythonheidong.com/blog/article/500776/bd3bf022cfc1a6830d1f/ python3基于opencv的目标追踪,用KCF或者CSRT这个博客上找到了个东西,直接运行它的程序不能行,自己尝试上面两个博客和官方文档,改了写才形成上面程序
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