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680 lines
26 KiB
680 lines
26 KiB
""" MobileNet V3
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A PyTorch impl of MobileNet-V3, compatible with TF weights from official impl.
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Paper: Searching for MobileNetV3 - https://arxiv.org/abs/1905.02244
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Hacked together by / Copyright 2019, Ross Wightman
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"""
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from functools import partial
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from typing import List
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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from timm.data import IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD, IMAGENET_INCEPTION_MEAN, IMAGENET_INCEPTION_STD
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from .efficientnet_blocks import SqueezeExcite
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from .efficientnet_builder import EfficientNetBuilder, decode_arch_def, efficientnet_init_weights,\
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round_channels, resolve_bn_args, resolve_act_layer, BN_EPS_TF_DEFAULT
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from .features import FeatureInfo, FeatureHooks
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from .helpers import build_model_with_cfg, default_cfg_for_features
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from .layers import SelectAdaptivePool2d, Linear, create_conv2d, get_act_fn, hard_sigmoid
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from .registry import register_model
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__all__ = ['MobileNetV3', 'MobileNetV3Features']
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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': (1, 1),
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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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'mobilenetv3_large_075': _cfg(url=''),
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'mobilenetv3_large_100': _cfg(
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interpolation='bicubic',
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/mobilenetv3_large_100_ra-f55367f5.pth'),
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'mobilenetv3_large_100_miil': _cfg(
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interpolation='bilinear', mean=(0, 0, 0), std=(1, 1, 1),
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url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/model-zoo/ImageNet_21K_P/models/timm/mobilenetv3_large_100_1k_miil_78_0.pth'),
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'mobilenetv3_large_100_miil_in21k': _cfg(
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interpolation='bilinear', mean=(0, 0, 0), std=(1, 1, 1),
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url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/model-zoo/ImageNet_21K_P/models/timm/mobilenetv3_large_100_in21k_miil.pth', num_classes=11221),
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'mobilenetv3_small_050': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/mobilenetv3_small_050_lambc-4b7bbe87.pth',
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interpolation='bicubic'),
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'mobilenetv3_small_075': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/mobilenetv3_small_075_lambc-384766db.pth',
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interpolation='bicubic'),
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'mobilenetv3_small_100': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/mobilenetv3_small_100_lamb-266a294c.pth',
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interpolation='bicubic'),
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'mobilenetv3_rw': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/mobilenetv3_100-35495452.pth',
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interpolation='bicubic'),
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'tf_mobilenetv3_large_075': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_large_075-150ee8b0.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'tf_mobilenetv3_large_100': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_large_100-427764d5.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'tf_mobilenetv3_large_minimal_100': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_large_minimal_100-8596ae28.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'tf_mobilenetv3_small_075': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_small_075-da427f52.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'tf_mobilenetv3_small_100': _cfg(
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url= 'https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_small_100-37f49e2b.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'tf_mobilenetv3_small_minimal_100': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/tf_mobilenetv3_small_minimal_100-922a7843.pth',
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mean=IMAGENET_INCEPTION_MEAN, std=IMAGENET_INCEPTION_STD),
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'fbnetv3_b': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/fbnetv3_b_224-ead5d2a1.pth',
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test_input_size=(3, 256, 256), crop_pct=0.95),
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'fbnetv3_d': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/fbnetv3_d_224-c98bce42.pth',
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test_input_size=(3, 256, 256), crop_pct=0.95),
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'fbnetv3_g': _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/fbnetv3_g_240-0b1df83b.pth',
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input_size=(3, 240, 240), test_input_size=(3, 288, 288), crop_pct=0.95),
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"lcnet_035": _cfg(),
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"lcnet_050": _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/lcnet_050-f447553b.pth',
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interpolation='bicubic',
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),
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"lcnet_075": _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/lcnet_075-318cad2c.pth',
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interpolation='bicubic',
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),
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"lcnet_100": _cfg(
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url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/lcnet_100-a929038c.pth',
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interpolation='bicubic',
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),
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"lcnet_150": _cfg(),
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}
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class MobileNetV3(nn.Module):
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""" MobiletNet-V3
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Based on my EfficientNet implementation and building blocks, this model utilizes the MobileNet-v3 specific
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'efficient head', where global pooling is done before the head convolution without a final batch-norm
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layer before the classifier.
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Paper: `Searching for MobileNetV3` - https://arxiv.org/abs/1905.02244
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Other architectures utilizing MobileNet-V3 efficient head that are supported by this impl include:
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* HardCoRe-NAS - https://arxiv.org/abs/2102.11646 (defn in hardcorenas.py uses this class)
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* FBNet-V3 - https://arxiv.org/abs/2006.02049
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* LCNet - https://arxiv.org/abs/2109.15099
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"""
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def __init__(
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self, block_args, num_classes=1000, in_chans=3, stem_size=16, fix_stem=False, num_features=1280,
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head_bias=True, pad_type='', act_layer=None, norm_layer=None, se_layer=None, se_from_exp=True,
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round_chs_fn=round_channels, drop_rate=0., drop_path_rate=0., global_pool='avg'):
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super(MobileNetV3, self).__init__()
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act_layer = act_layer or nn.ReLU
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norm_layer = norm_layer or nn.BatchNorm2d
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se_layer = se_layer or SqueezeExcite
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self.num_classes = num_classes
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self.num_features = num_features
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self.drop_rate = drop_rate
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# Stem
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if not fix_stem:
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stem_size = round_chs_fn(stem_size)
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self.conv_stem = create_conv2d(in_chans, stem_size, 3, stride=2, padding=pad_type)
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self.bn1 = norm_layer(stem_size)
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self.act1 = act_layer(inplace=True)
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# Middle stages (IR/ER/DS Blocks)
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builder = EfficientNetBuilder(
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output_stride=32, pad_type=pad_type, round_chs_fn=round_chs_fn, se_from_exp=se_from_exp,
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act_layer=act_layer, norm_layer=norm_layer, se_layer=se_layer, drop_path_rate=drop_path_rate)
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self.blocks = nn.Sequential(*builder(stem_size, block_args))
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self.feature_info = builder.features
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head_chs = builder.in_chs
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# Head + Pooling
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self.global_pool = SelectAdaptivePool2d(pool_type=global_pool)
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num_pooled_chs = head_chs * self.global_pool.feat_mult()
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self.conv_head = create_conv2d(num_pooled_chs, self.num_features, 1, padding=pad_type, bias=head_bias)
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self.act2 = act_layer(inplace=True)
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self.flatten = nn.Flatten(1) if global_pool else nn.Identity() # don't flatten if pooling disabled
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self.classifier = Linear(self.num_features, num_classes) if num_classes > 0 else nn.Identity()
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efficientnet_init_weights(self)
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def as_sequential(self):
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layers = [self.conv_stem, self.bn1, self.act1]
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layers.extend(self.blocks)
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layers.extend([self.global_pool, self.conv_head, self.act2])
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layers.extend([nn.Flatten(), nn.Dropout(self.drop_rate), self.classifier])
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return nn.Sequential(*layers)
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def get_classifier(self):
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return self.classifier
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def reset_classifier(self, num_classes, global_pool='avg'):
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self.num_classes = num_classes
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# cannot meaningfully change pooling of efficient head after creation
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self.global_pool = SelectAdaptivePool2d(pool_type=global_pool)
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self.flatten = nn.Flatten(1) if global_pool else nn.Identity() # don't flatten if pooling disabled
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self.classifier = Linear(self.num_features, num_classes) if num_classes > 0 else nn.Identity()
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def forward_features(self, x):
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x = self.conv_stem(x)
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x = self.bn1(x)
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x = self.act1(x)
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x = self.blocks(x)
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x = self.global_pool(x)
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x = self.conv_head(x)
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x = self.act2(x)
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return x
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def forward(self, x):
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x = self.forward_features(x)
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x = self.flatten(x)
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if self.drop_rate > 0.:
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x = F.dropout(x, p=self.drop_rate, training=self.training)
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return self.classifier(x)
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class MobileNetV3Features(nn.Module):
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""" MobileNetV3 Feature Extractor
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A work-in-progress feature extraction module for MobileNet-V3 to use as a backbone for segmentation
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and object detection models.
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"""
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def __init__(self, block_args, out_indices=(0, 1, 2, 3, 4), feature_location='bottleneck', in_chans=3,
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stem_size=16, fix_stem=False, output_stride=32, pad_type='', round_chs_fn=round_channels,
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se_from_exp=True, act_layer=None, norm_layer=None, se_layer=None, drop_rate=0., drop_path_rate=0.):
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super(MobileNetV3Features, self).__init__()
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act_layer = act_layer or nn.ReLU
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norm_layer = norm_layer or nn.BatchNorm2d
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se_layer = se_layer or SqueezeExcite
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self.drop_rate = drop_rate
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# Stem
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if not fix_stem:
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stem_size = round_chs_fn(stem_size)
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self.conv_stem = create_conv2d(in_chans, stem_size, 3, stride=2, padding=pad_type)
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self.bn1 = norm_layer(stem_size)
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self.act1 = act_layer(inplace=True)
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# Middle stages (IR/ER/DS Blocks)
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builder = EfficientNetBuilder(
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output_stride=output_stride, pad_type=pad_type, round_chs_fn=round_chs_fn, se_from_exp=se_from_exp,
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act_layer=act_layer, norm_layer=norm_layer, se_layer=se_layer,
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drop_path_rate=drop_path_rate, feature_location=feature_location)
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self.blocks = nn.Sequential(*builder(stem_size, block_args))
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self.feature_info = FeatureInfo(builder.features, out_indices)
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self._stage_out_idx = {v['stage']: i for i, v in enumerate(self.feature_info) if i in out_indices}
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efficientnet_init_weights(self)
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# Register feature extraction hooks with FeatureHooks helper
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self.feature_hooks = None
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if feature_location != 'bottleneck':
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hooks = self.feature_info.get_dicts(keys=('module', 'hook_type'))
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self.feature_hooks = FeatureHooks(hooks, self.named_modules())
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def forward(self, x) -> List[torch.Tensor]:
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x = self.conv_stem(x)
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x = self.bn1(x)
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x = self.act1(x)
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if self.feature_hooks is None:
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features = []
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if 0 in self._stage_out_idx:
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features.append(x) # add stem out
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for i, b in enumerate(self.blocks):
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x = b(x)
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if i + 1 in self._stage_out_idx:
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features.append(x)
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return features
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else:
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self.blocks(x)
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out = self.feature_hooks.get_output(x.device)
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return list(out.values())
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def _create_mnv3(variant, pretrained=False, **kwargs):
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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 kwargs.pop('features_only', False):
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features_only = True
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kwargs_filter = ('num_classes', 'num_features', '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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default_cfg=default_cfgs[variant],
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pretrained_strict=not features_only,
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kwargs_filter=kwargs_filter,
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**kwargs)
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if features_only:
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model.default_cfg = default_cfg_for_features(model.default_cfg)
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return model
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def _gen_mobilenet_v3_rw(variant, channel_multiplier=1.0, pretrained=False, **kwargs):
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"""Creates a MobileNet-V3 model.
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Ref impl: ?
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Paper: https://arxiv.org/abs/1905.02244
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Args:
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channel_multiplier: multiplier to number of channels per layer.
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"""
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arch_def = [
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# stage 0, 112x112 in
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['ds_r1_k3_s1_e1_c16_nre_noskip'], # relu
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# stage 1, 112x112 in
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['ir_r1_k3_s2_e4_c24_nre', 'ir_r1_k3_s1_e3_c24_nre'], # relu
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# stage 2, 56x56 in
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['ir_r3_k5_s2_e3_c40_se0.25_nre'], # relu
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# stage 3, 28x28 in
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['ir_r1_k3_s2_e6_c80', 'ir_r1_k3_s1_e2.5_c80', 'ir_r2_k3_s1_e2.3_c80'], # hard-swish
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# stage 4, 14x14in
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['ir_r2_k3_s1_e6_c112_se0.25'], # hard-swish
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# stage 5, 14x14in
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['ir_r3_k5_s2_e6_c160_se0.25'], # hard-swish
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# stage 6, 7x7 in
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['cn_r1_k1_s1_c960'], # hard-swish
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]
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model_kwargs = dict(
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block_args=decode_arch_def(arch_def),
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head_bias=False,
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round_chs_fn=partial(round_channels, multiplier=channel_multiplier),
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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=partial(SqueezeExcite, gate_layer='hard_sigmoid'),
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**kwargs,
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)
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model = _create_mnv3(variant, pretrained, **model_kwargs)
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return model
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def _gen_mobilenet_v3(variant, channel_multiplier=1.0, pretrained=False, **kwargs):
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"""Creates a MobileNet-V3 model.
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Ref impl: ?
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Paper: https://arxiv.org/abs/1905.02244
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Args:
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channel_multiplier: multiplier to number of channels per layer.
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"""
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if 'small' in variant:
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num_features = 1024
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if 'minimal' in variant:
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act_layer = resolve_act_layer(kwargs, 'relu')
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arch_def = [
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# stage 0, 112x112 in
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['ds_r1_k3_s2_e1_c16'],
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# stage 1, 56x56 in
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['ir_r1_k3_s2_e4.5_c24', 'ir_r1_k3_s1_e3.67_c24'],
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# stage 2, 28x28 in
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['ir_r1_k3_s2_e4_c40', 'ir_r2_k3_s1_e6_c40'],
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# stage 3, 14x14 in
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['ir_r2_k3_s1_e3_c48'],
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# stage 4, 14x14in
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['ir_r3_k3_s2_e6_c96'],
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# stage 6, 7x7 in
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['cn_r1_k1_s1_c576'],
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]
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else:
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act_layer = resolve_act_layer(kwargs, 'hard_swish')
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arch_def = [
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# stage 0, 112x112 in
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['ds_r1_k3_s2_e1_c16_se0.25_nre'], # relu
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# stage 1, 56x56 in
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['ir_r1_k3_s2_e4.5_c24_nre', 'ir_r1_k3_s1_e3.67_c24_nre'], # relu
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# stage 2, 28x28 in
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['ir_r1_k5_s2_e4_c40_se0.25', 'ir_r2_k5_s1_e6_c40_se0.25'], # hard-swish
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# stage 3, 14x14 in
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['ir_r2_k5_s1_e3_c48_se0.25'], # hard-swish
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# stage 4, 14x14in
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['ir_r3_k5_s2_e6_c96_se0.25'], # hard-swish
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# stage 6, 7x7 in
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['cn_r1_k1_s1_c576'], # hard-swish
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]
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else:
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num_features = 1280
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if 'minimal' in variant:
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act_layer = resolve_act_layer(kwargs, 'relu')
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arch_def = [
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# stage 0, 112x112 in
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['ds_r1_k3_s1_e1_c16'],
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# stage 1, 112x112 in
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['ir_r1_k3_s2_e4_c24', 'ir_r1_k3_s1_e3_c24'],
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# stage 2, 56x56 in
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['ir_r3_k3_s2_e3_c40'],
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# stage 3, 28x28 in
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['ir_r1_k3_s2_e6_c80', 'ir_r1_k3_s1_e2.5_c80', 'ir_r2_k3_s1_e2.3_c80'],
|
|
# stage 4, 14x14in
|
|
['ir_r2_k3_s1_e6_c112'],
|
|
# stage 5, 14x14in
|
|
['ir_r3_k3_s2_e6_c160'],
|
|
# stage 6, 7x7 in
|
|
['cn_r1_k1_s1_c960'],
|
|
]
|
|
else:
|
|
act_layer = resolve_act_layer(kwargs, 'hard_swish')
|
|
arch_def = [
|
|
# stage 0, 112x112 in
|
|
['ds_r1_k3_s1_e1_c16_nre'], # relu
|
|
# stage 1, 112x112 in
|
|
['ir_r1_k3_s2_e4_c24_nre', 'ir_r1_k3_s1_e3_c24_nre'], # relu
|
|
# stage 2, 56x56 in
|
|
['ir_r3_k5_s2_e3_c40_se0.25_nre'], # relu
|
|
# stage 3, 28x28 in
|
|
['ir_r1_k3_s2_e6_c80', 'ir_r1_k3_s1_e2.5_c80', 'ir_r2_k3_s1_e2.3_c80'], # hard-swish
|
|
# stage 4, 14x14in
|
|
['ir_r2_k3_s1_e6_c112_se0.25'], # hard-swish
|
|
# stage 5, 14x14in
|
|
['ir_r3_k5_s2_e6_c160_se0.25'], # hard-swish
|
|
# stage 6, 7x7 in
|
|
['cn_r1_k1_s1_c960'], # hard-swish
|
|
]
|
|
se_layer = partial(SqueezeExcite, gate_layer='hard_sigmoid', force_act_layer=nn.ReLU, rd_round_fn=round_channels)
|
|
model_kwargs = dict(
|
|
block_args=decode_arch_def(arch_def),
|
|
num_features=num_features,
|
|
stem_size=16,
|
|
fix_stem=channel_multiplier < 0.75,
|
|
round_chs_fn=partial(round_channels, multiplier=channel_multiplier),
|
|
norm_layer=partial(nn.BatchNorm2d, **resolve_bn_args(kwargs)),
|
|
act_layer=act_layer,
|
|
se_layer=se_layer,
|
|
**kwargs,
|
|
)
|
|
model = _create_mnv3(variant, pretrained, **model_kwargs)
|
|
return model
|
|
|
|
|
|
def _gen_fbnetv3(variant, channel_multiplier=1.0, pretrained=False, **kwargs):
|
|
""" FBNetV3
|
|
Paper: `FBNetV3: Joint Architecture-Recipe Search using Predictor Pretraining`
|
|
- https://arxiv.org/abs/2006.02049
|
|
FIXME untested, this is a preliminary impl of some FBNet-V3 variants.
|
|
"""
|
|
vl = variant.split('_')[-1]
|
|
if vl in ('a', 'b'):
|
|
stem_size = 16
|
|
arch_def = [
|
|
['ds_r2_k3_s1_e1_c16'],
|
|
['ir_r1_k5_s2_e4_c24', 'ir_r3_k5_s1_e2_c24'],
|
|
['ir_r1_k5_s2_e5_c40_se0.25', 'ir_r4_k5_s1_e3_c40_se0.25'],
|
|
['ir_r1_k5_s2_e5_c72', 'ir_r4_k3_s1_e3_c72'],
|
|
['ir_r1_k3_s1_e5_c120_se0.25', 'ir_r5_k5_s1_e3_c120_se0.25'],
|
|
['ir_r1_k3_s2_e6_c184_se0.25', 'ir_r5_k5_s1_e4_c184_se0.25', 'ir_r1_k5_s1_e6_c224_se0.25'],
|
|
['cn_r1_k1_s1_c1344'],
|
|
]
|
|
elif vl == 'd':
|
|
stem_size = 24
|
|
arch_def = [
|
|
['ds_r2_k3_s1_e1_c16'],
|
|
['ir_r1_k3_s2_e5_c24', 'ir_r5_k3_s1_e2_c24'],
|
|
['ir_r1_k5_s2_e4_c40_se0.25', 'ir_r4_k3_s1_e3_c40_se0.25'],
|
|
['ir_r1_k3_s2_e5_c72', 'ir_r4_k3_s1_e3_c72'],
|
|
['ir_r1_k3_s1_e5_c128_se0.25', 'ir_r6_k5_s1_e3_c128_se0.25'],
|
|
['ir_r1_k3_s2_e6_c208_se0.25', 'ir_r5_k5_s1_e5_c208_se0.25', 'ir_r1_k5_s1_e6_c240_se0.25'],
|
|
['cn_r1_k1_s1_c1440'],
|
|
]
|
|
elif vl == 'g':
|
|
stem_size = 32
|
|
arch_def = [
|
|
['ds_r3_k3_s1_e1_c24'],
|
|
['ir_r1_k5_s2_e4_c40', 'ir_r4_k5_s1_e2_c40'],
|
|
['ir_r1_k5_s2_e4_c56_se0.25', 'ir_r4_k5_s1_e3_c56_se0.25'],
|
|
['ir_r1_k5_s2_e5_c104', 'ir_r4_k3_s1_e3_c104'],
|
|
['ir_r1_k3_s1_e5_c160_se0.25', 'ir_r8_k5_s1_e3_c160_se0.25'],
|
|
['ir_r1_k3_s2_e6_c264_se0.25', 'ir_r6_k5_s1_e5_c264_se0.25', 'ir_r2_k5_s1_e6_c288_se0.25'],
|
|
['cn_r1_k1_s1_c1728'],
|
|
]
|
|
else:
|
|
raise NotImplemented
|
|
round_chs_fn = partial(round_channels, multiplier=channel_multiplier, round_limit=0.95)
|
|
se_layer = partial(SqueezeExcite, gate_layer='hard_sigmoid', rd_round_fn=round_chs_fn)
|
|
act_layer = resolve_act_layer(kwargs, 'hard_swish')
|
|
model_kwargs = dict(
|
|
block_args=decode_arch_def(arch_def),
|
|
num_features=1984,
|
|
head_bias=False,
|
|
stem_size=stem_size,
|
|
round_chs_fn=round_chs_fn,
|
|
se_from_exp=False,
|
|
norm_layer=partial(nn.BatchNorm2d, **resolve_bn_args(kwargs)),
|
|
act_layer=act_layer,
|
|
se_layer=se_layer,
|
|
**kwargs,
|
|
)
|
|
model = _create_mnv3(variant, pretrained, **model_kwargs)
|
|
return model
|
|
|
|
|
|
def _gen_lcnet(variant, channel_multiplier=1.0, pretrained=False, **kwargs):
|
|
""" LCNet
|
|
Essentially a MobileNet-V3 crossed with a MobileNet-V1
|
|
|
|
Paper: `PP-LCNet: A Lightweight CPU Convolutional Neural Network` - https://arxiv.org/abs/2109.15099
|
|
|
|
Args:
|
|
channel_multiplier: multiplier to number of channels per layer.
|
|
"""
|
|
arch_def = [
|
|
# stage 0, 112x112 in
|
|
['dsa_r1_k3_s1_c32'],
|
|
# stage 1, 112x112 in
|
|
['dsa_r2_k3_s2_c64'],
|
|
# stage 2, 56x56 in
|
|
['dsa_r2_k3_s2_c128'],
|
|
# stage 3, 28x28 in
|
|
['dsa_r1_k3_s2_c256', 'dsa_r1_k5_s1_c256'],
|
|
# stage 4, 14x14in
|
|
['dsa_r4_k5_s1_c256'],
|
|
# stage 5, 14x14in
|
|
['dsa_r2_k5_s2_c512_se0.25'],
|
|
# 7x7
|
|
]
|
|
model_kwargs = dict(
|
|
block_args=decode_arch_def(arch_def),
|
|
stem_size=16,
|
|
round_chs_fn=partial(round_channels, multiplier=channel_multiplier),
|
|
norm_layer=partial(nn.BatchNorm2d, **resolve_bn_args(kwargs)),
|
|
act_layer=resolve_act_layer(kwargs, 'hard_swish'),
|
|
se_layer=partial(SqueezeExcite, gate_layer='hard_sigmoid', force_act_layer=nn.ReLU),
|
|
num_features=1280,
|
|
**kwargs,
|
|
)
|
|
model = _create_mnv3(variant, pretrained, **model_kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_large_075(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
model = _gen_mobilenet_v3('mobilenetv3_large_075', 0.75, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_large_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
model = _gen_mobilenet_v3('mobilenetv3_large_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_large_100_miil(pretrained=False, **kwargs):
|
|
""" MobileNet V3
|
|
Weights taken from: https://github.com/Alibaba-MIIL/ImageNet21K
|
|
"""
|
|
model = _gen_mobilenet_v3('mobilenetv3_large_100_miil', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_large_100_miil_in21k(pretrained=False, **kwargs):
|
|
""" MobileNet V3, 21k pretraining
|
|
Weights taken from: https://github.com/Alibaba-MIIL/ImageNet21K
|
|
"""
|
|
model = _gen_mobilenet_v3('mobilenetv3_large_100_miil_in21k', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_small_050(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
model = _gen_mobilenet_v3('mobilenetv3_small_050', 0.50, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_small_075(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
model = _gen_mobilenet_v3('mobilenetv3_small_075', 0.75, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_small_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
model = _gen_mobilenet_v3('mobilenetv3_small_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def mobilenetv3_rw(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
if pretrained:
|
|
# pretrained model trained with non-default BN epsilon
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
model = _gen_mobilenet_v3_rw('mobilenetv3_rw', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_large_075(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_large_075', 0.75, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_large_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_large_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_large_minimal_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_large_minimal_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_small_075(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_small_075', 0.75, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_small_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_small_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def tf_mobilenetv3_small_minimal_100(pretrained=False, **kwargs):
|
|
""" MobileNet V3 """
|
|
kwargs['bn_eps'] = BN_EPS_TF_DEFAULT
|
|
kwargs['pad_type'] = 'same'
|
|
model = _gen_mobilenet_v3('tf_mobilenetv3_small_minimal_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def fbnetv3_b(pretrained=False, **kwargs):
|
|
""" FBNetV3-B """
|
|
model = _gen_fbnetv3('fbnetv3_b', pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def fbnetv3_d(pretrained=False, **kwargs):
|
|
""" FBNetV3-D """
|
|
model = _gen_fbnetv3('fbnetv3_d', pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def fbnetv3_g(pretrained=False, **kwargs):
|
|
""" FBNetV3-G """
|
|
model = _gen_fbnetv3('fbnetv3_g', pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def lcnet_035(pretrained=False, **kwargs):
|
|
""" PP-LCNet 0.35"""
|
|
model = _gen_lcnet('lcnet_035', 0.35, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def lcnet_050(pretrained=False, **kwargs):
|
|
""" PP-LCNet 0.5"""
|
|
model = _gen_lcnet('lcnet_050', 0.5, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def lcnet_075(pretrained=False, **kwargs):
|
|
""" PP-LCNet 1.0"""
|
|
model = _gen_lcnet('lcnet_075', 0.75, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def lcnet_100(pretrained=False, **kwargs):
|
|
""" PP-LCNet 1.0"""
|
|
model = _gen_lcnet('lcnet_100', 1.0, pretrained=pretrained, **kwargs)
|
|
return model
|
|
|
|
|
|
@register_model
|
|
def lcnet_150(pretrained=False, **kwargs):
|
|
""" PP-LCNet 1.5"""
|
|
model = _gen_lcnet('lcnet_150', 1.5, pretrained=pretrained, **kwargs)
|
|
return model
|