_base_ = 'retinanet_pvtv2-b0_fpn_1x_coco.py' model = dict( backbone=dict( embed_dims=64, init_cfg=dict(checkpoint='https://github.com/whai362/PVT/' 'releases/download/v2/pvt_v2_b1.pth')), neck=dict(in_channels=[64, 128, 320, 512]))