When training poly-yolo, the environment is debugged, but this bug will appear in the training. Generally, the picture path is not set or set incorrectly.
solve:
In the simulator_ Absolute path is added in front of each line of image in dataset/simulator-train.txt file, such as:
/home/arl/lc/poly-yolo-master/simulator_ dataset/imgs/img_ r_ 12.png
The validation set is the same as above