Before revision:  Without additional pre-training  , CBNetV2 can be adapted to various backbones , including manual-based and NAS-based, as well as CNN-based and Transformer-based ones.
After revision:  Without additional pre-training of the composite backbone , CBNetV2 can be adapted to various backbones , including manual-based and NAS-based, as well as CNN-based and Transformer-based ones.