my dataset is VOC07 format. but my dataset has only one class,what should i do ?

[henbucuoshanghai]

where to change the detection chasses to my own class?

and only one class is OK?

[jdegeus]

You should define your classes in your dataset. One class is no problem. How to load pascal voc is answered here: #991

[henbucuoshanghai]

when a image has no object in it ,i use it as the background.i still put it in the train.txt           and it has error : FileNotFoundError: [Errno 2] No such file or directory: 'datasets/VOC2007/Annotations/234.xml' when a image has no instances, I have to remove it from the traintxt????? help !!!      thank you!!