After I finished pyfaster rcnn, it can sudo ./tools/demo.py. It can demo sucessfully. When I used camera demo , it has the bug on the picture.
The error indicates that the app cannot open the camera.
Have you mounted a USB camera to the TX2?
There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.