windows上运行demo_track.py,没有任何检测结果

[jdyjjj]

如图所示，我运行demo_track.py去运行palace.mp4视频，结果没有任何输出，打印了output全是nan，请问这是因为什么？

[943fansi]

print(img)

[sangphamitus]

I had faced the same issue, is there any help ? I'm using windows with python=3.10.6 and I could print all my img ( including by cv2 way )