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antoinelame / GazeTracking

👀 Eye Tracking library easily implementable to your projects
MIT License
1.85k stars 505 forks source link

OpenCV Error #37

Open vit12v opened 4 years ago

vit12v commented 4 years ago

frame=cv2.cvtColor(self.frame,cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(3.4.5) /io/opencv/modules/imgproc/src/color.cpp:181: error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'

okridgway commented 4 years ago

frame=cv2.cvtColor(self.frame,cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(3.4.5) /io/opencv/modules/imgproc/src/color.cpp:181: error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'

I believe this issue is due to a frame location issue.

xiaochuan-li commented 3 years ago

perhaps you failed to launch your camera.