(unicode error) ‘unicodeescape‘ codec can‘t decode bytes in position 2-3: truncated \UXXXXXXXX esca

解决：

将路径中的反斜杠改成正斜杠：原：C:\Users\DONG\Desktop\run\ssn-pytorch-optflow-main\ssn-pytorch-optflow-main\path\to\BSR\val\data\3096.jpg
改：C:/Users/DONG/Desktop/run/ssn-pytorch-optflow-main/ssn-pytorch-optflow-main/path/to/BSR/val/data/3096.jpg

问题解决