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152 lines
7.9 KiB
152 lines
7.9 KiB
from functools import partial
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import torch.nn as nn
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from timm.data import IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD
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from .efficientnet_blocks import SqueezeExcite
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from .efficientnet_builder import decode_arch_def, resolve_act_layer, resolve_bn_args, round_channels
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from .helpers import build_model_with_cfg, pretrained_cfg_for_features
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from .layers import get_act_fn
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from .mobilenetv3 import MobileNetV3, MobileNetV3Features
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from .registry import register_model
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def _cfg(url='', **kwargs):
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return {
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'url': url, 'num_classes': 1000, 'input_size': (3, 224, 224), 'pool_size': (7, 7),
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'crop_pct': 0.875, 'interpolation': 'bilinear',
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'mean': IMAGENET_DEFAULT_MEAN, 'std': IMAGENET_DEFAULT_STD,
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'first_conv': 'conv_stem', 'classifier': 'classifier',
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**kwargs
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}
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default_cfgs = {
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'hardcorenas_a': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_a_green_38ms_75_9-31dc7186.pth'),
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'hardcorenas_b': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_b_green_40ms_76_5-32d91ff2.pth'),
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'hardcorenas_c': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_c_green_44ms_77_1-631a0983.pth'),
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'hardcorenas_d': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_d_green_50ms_77_4-998d9d7a.pth'),
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'hardcorenas_e': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_e_green_55ms_77_9-482886a3.pth'),
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'hardcorenas_f': _cfg(url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-tresnet/hardcorenas_f_green_60ms_78_1-14b9e780.pth'),
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}
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def _gen_hardcorenas(pretrained, variant, arch_def, **kwargs):
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"""Creates a hardcorenas model
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Ref impl: https://github.com/Alibaba-MIIL/HardCoReNAS
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Paper: https://arxiv.org/abs/2102.11646
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"""
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num_features = 1280
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se_layer = partial(SqueezeExcite, gate_layer='hard_sigmoid', force_act_layer=nn.ReLU, rd_round_fn=round_channels)
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model_kwargs = dict(
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block_args=decode_arch_def(arch_def),
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num_features=num_features,
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stem_size=32,
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norm_layer=partial(nn.BatchNorm2d, **resolve_bn_args(kwargs)),
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act_layer=resolve_act_layer(kwargs, 'hard_swish'),
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se_layer=se_layer,
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**kwargs,
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)
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features_only = False
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model_cls = MobileNetV3
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kwargs_filter = None
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if model_kwargs.pop('features_only', False):
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features_only = True
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kwargs_filter = ('num_classes', 'num_features', 'global_pool', 'head_conv', 'head_bias', 'global_pool')
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model_cls = MobileNetV3Features
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model = build_model_with_cfg(
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model_cls, variant, pretrained,
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pretrained_strict=not features_only,
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kwargs_filter=kwargs_filter,
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**model_kwargs)
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if features_only:
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model.default_cfg = pretrained_cfg_for_features(model.default_cfg)
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return model
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@register_model
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def hardcorenas_a(pretrained=False, **kwargs):
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""" hardcorenas_A """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25'],
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['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e6_c40_nre_se0.25'],
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['ir_r1_k5_s2_e6_c80_se0.25', 'ir_r1_k5_s1_e6_c80_se0.25'],
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['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_a', arch_def=arch_def, **kwargs)
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return model
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@register_model
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def hardcorenas_b(pretrained=False, **kwargs):
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""" hardcorenas_B """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'],
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['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25', 'ir_r1_k3_s1_e3_c24_nre'],
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['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre'],
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['ir_r1_k5_s2_e3_c80', 'ir_r1_k5_s1_e3_c80', 'ir_r1_k3_s1_e3_c80', 'ir_r1_k3_s1_e3_c80'],
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['ir_r1_k5_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e3_c192_se0.25'],
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['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_b', arch_def=arch_def, **kwargs)
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return model
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@register_model
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def hardcorenas_c(pretrained=False, **kwargs):
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""" hardcorenas_C """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25'],
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['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre',
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'ir_r1_k5_s1_e3_c40_nre'],
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['ir_r1_k5_s2_e4_c80', 'ir_r1_k5_s1_e6_c80_se0.25', 'ir_r1_k3_s1_e3_c80', 'ir_r1_k3_s1_e3_c80'],
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['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e3_c192_se0.25'],
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['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_c', arch_def=arch_def, **kwargs)
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return model
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@register_model
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def hardcorenas_d(pretrained=False, **kwargs):
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""" hardcorenas_D """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'],
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['ir_r1_k5_s2_e3_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25', 'ir_r1_k3_s1_e3_c40_nre_se0.25'],
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['ir_r1_k5_s2_e4_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25',
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'ir_r1_k3_s1_e3_c80_se0.25'],
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['ir_r1_k3_s1_e4_c112_se0.25', 'ir_r1_k5_s1_e4_c112_se0.25', 'ir_r1_k3_s1_e3_c112_se0.25',
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'ir_r1_k5_s1_e3_c112_se0.25'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25',
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'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_d', arch_def=arch_def, **kwargs)
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return model
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@register_model
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def hardcorenas_e(pretrained=False, **kwargs):
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""" hardcorenas_E """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'],
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['ir_r1_k5_s2_e6_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25',
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'ir_r1_k3_s1_e3_c40_nre_se0.25'], ['ir_r1_k5_s2_e4_c80_se0.25', 'ir_r1_k3_s1_e6_c80_se0.25'],
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['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25',
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'ir_r1_k5_s1_e3_c112_se0.25'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25',
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'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_e', arch_def=arch_def, **kwargs)
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return model
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@register_model
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def hardcorenas_f(pretrained=False, **kwargs):
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""" hardcorenas_F """
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arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'],
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['ir_r1_k5_s2_e6_c40_nre_se0.25', 'ir_r1_k5_s1_e6_c40_nre_se0.25'],
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['ir_r1_k5_s2_e6_c80_se0.25', 'ir_r1_k5_s1_e6_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25',
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'ir_r1_k3_s1_e3_c80_se0.25'],
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['ir_r1_k3_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25',
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'ir_r1_k3_s1_e3_c112_se0.25'],
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['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e6_c192_se0.25',
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'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']]
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model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_f', arch_def=arch_def, **kwargs)
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return model
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