PaddleClas/ppcls/arch/backbone/variant_models/resnet_variant.py

24 lines
836 B
Python

from paddle.nn import Conv2D
from ppcls.arch.backbone.legendary_models.resnet import ResNet50, MODEL_URLS, _load_pretrained
__all__ = ["ResNet50_last_stage_stride1"]
def ResNet50_last_stage_stride1(pretrained=False, use_ssld=False, **kwargs):
def replace_function(conv):
new_conv = Conv2D(
in_channels=conv._in_channels,
out_channels=conv._out_channels,
kernel_size=conv._kernel_size,
stride=1,
padding=conv._padding,
groups=conv._groups,
bias_attr=conv._bias_attr)
return new_conv
match_re = "conv2d_4[4|6]"
model = ResNet50(pretrained=False, use_ssld=use_ssld, **kwargs)
model.replace_sub(match_re, replace_function, True)
_load_pretrained(pretrained, model, MODEL_URLS["ResNet50"], use_ssld)
return model