_base_ = [ '../_base_/models/mask-rcnn_r50_fpn.py', '../_base_/datasets/coco_instance.py', '../_base_/schedules/schedule_1x.py', '../_base_/default_runtime.py' ] model = dict( data_preprocessor=dict( # The mean and std are used in PyCls when training RegNets mean=[103.53, 116.28, 123.675], std=[57.375, 57.12, 58.395], bgr_to_rgb=False), backbone=dict( _delete_=True, type='RegNet', arch='regnetx_3.2gf', out_indices=(0, 1, 2, 3), frozen_stages=1, norm_cfg=dict(type='BN', requires_grad=True), norm_eval=True, style='pytorch', init_cfg=dict( type='Pretrained', checkpoint='open-mmlab://regnetx_3.2gf')), neck=dict( type='FPN', in_channels=[96, 192, 432, 1008], out_channels=256, num_outs=5)) optim_wrapper = dict( optimizer=dict(type='SGD', lr=0.02, momentum=0.9, weight_decay=0.00005))