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PaddleClas

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提交 20a08a41 编写于 作者: W wqz960
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add en docs and fix format

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configs/ResNeSt/ResNeSt50.yaml
浏览文件 @ 20a08a41
......@@ -45,6 +45,7 @@ TRAIN:
- RandFlipImage:
flip_code: 1
- AutoAugment:
- RandomErasing:
- NormalizeImage:
scale: 1./255.
mean: [0.485, 0.456, 0.406]
......
docs/en/models/ResNeSt_RegNet.md 0 → 100644
浏览文件 @ 20a08a41
## Overview
The ResNeSt series was proposed in 2020. The original resnet network structure has been improved by introducing K groups and adding an attention module similar to SEBlock in different groups, the accuracy is greater than that of the basic model ResNet, but the parameter amount and flops are almost the same as the basic ResNet.
## Accuracy, FLOPs and Parameters
| Models | Top1 | Top5 | Reference<br>top1 | Reference<br>top5 | FLOPS<br>(G) | Parameters<br>(M) |
|:--:|:--:|:--:|:--:|:--:|:--:|:--:|
| ResNeSt50 | 0.8102 | 0.9542| 0.8113 | -|5.39 | 27.5 |
\ No newline at end of file
ppcls/modeling/architectures/__init__.py
浏览文件 @ 20a08a41
......@@ -43,6 +43,7 @@ from .hrnet import HRNet_W18_C, HRNet_W30_C, HRNet_W32_C, HRNet_W40_C, HRNet_W44
from .darts_gs import DARTS_GS_6M, DARTS_GS_4M
from .resnet_acnet import ResNet18_ACNet, ResNet34_ACNet, ResNet50_ACNet, ResNet101_ACNet, ResNet152_ACNet
from .ghostnet import GhostNet_x0_5, GhostNet_x1_0, GhostNet_x1_3
from .resnest import ResNeSt50, ResNeSt101, ResNeSt200, ResNeSt269, ResNeSt50_fast_1s1x64d, ResNeSt50_fast_2s1x64d, ResNeSt50_fast_4s1x64d, ResNeSt50_fast_1s2x40d, ResNeSt50_fast_2s2x40d, ResNeSt50_fast_2s2x40d, ResNeSt50_fast_4s2x40d, ResNeSt50_fast_1s4x24d
# distillation model
from .distillation_models import ResNet50_vd_distill_MobileNetV3_large_x1_0, ResNeXt101_32x16d_wsl_distill_ResNet50_vd
......
ppcls/modeling/architectures/resnest.py
浏览文件 @ 20a08a41
......@@ -7,23 +7,37 @@ from paddle.fluid.initializer import MSRA, ConstantInitializer
from paddle.fluid.param_attr import ParamAttr
from paddle.fluid.regularizer import L2DecayRegularizer
import math
from paddle.fluid.contrib.model_stat import summary
__all__ = ['ResNeSt50', 'ResNeSt101', 'ResNeSt200', 'ResNeSt269',
__all__ = [
'ResNeSt50', 'ResNeSt101', 'ResNeSt200', 'ResNeSt269',
'ResNeSt50_fast_1s1x64d', 'ResNeSt50_fast_2s1x64d',
'ResNeSt50_fast_4s1x64d', 'ResNeSt50_fast_1s2x40d',
'ResNeSt50_fast_2s2x40d', 'ResNeSt50_fast_2s2x40d',
'ResNeSt50_fast_4s2x40d', 'ResNeSt50_fast_1s4x24d']
'ResNeSt50_fast_4s2x40d', 'ResNeSt50_fast_1s4x24d'
]
class ResNeSt():
def __init__(self, layers, radix=1, groups=1, bottleneck_width=64, dilated=False,
dilation=1, deep_stem=False, stem_width=64, avg_down=False,
rectify_avg=False, avd=False, avd_first=False, final_drop=0.0,
last_gamma=False, bn_decay=0.0):
def __init__(self,
layers,
radix=1,
groups=1,
bottleneck_width=64,
dilated=False,
dilation=1,
deep_stem=False,
stem_width=64,
avg_down=False,
rectify_avg=False,
avd=False,
avd_first=False,
final_drop=0.0,
last_gamma=False,
bn_decay=0.0):
self.cardinality = groups
self.bottleneck_width = bottleneck_width
# ResNet-D params
self.inplanes = stem_width*2 if deep_stem else 64
self.inplanes = stem_width * 2 if deep_stem else 64
self.avg_down = avg_down
self.last_gamma = last_gamma
# ResNeSt params
......@@ -37,99 +51,117 @@ class ResNeSt():
self.final_drop = final_drop
self.dilated = dilated
self.dilation = dilation
self.bn_decay = 0.0 # bn_decay
self.bn_decay = bn_decay
self.rectify_avg = rectify_avg
def net(self, input, class_dim=1000):
if self.deep_stem:
x = self.conv_bn_layer(x=input,
x = self.conv_bn_layer(
x=input,
num_filters=self.stem_width,
filters_size=3,
stride=2,
groups=1,
act="relu",
name="conv1")
x = self.conv_bn_layer(x=x,
x = self.conv_bn_layer(
x=x,
num_filters=self.stem_width,
filters_size=3,
stride=1,
groups=1,
act="relu",
name="conv2")
x = self.conv_bn_layer(x=x,
num_filters=self.stem_width*2,
x = self.conv_bn_layer(
x=x,
num_filters=self.stem_width * 2,
filters_size=3,
stride=1,
groups=1,
act="relu",
name="conv3")
else:
x = self.conv_bn_layer(x=input,
x = self.conv_bn_layer(
x=input,
num_filters=64,
filters_size=7,
stride=2,
act="relu",
name="conv1")
x = fluid.layers.pool2d(input=x,
x = fluid.layers.pool2d(
input=x,
pool_size=3,
pool_type="max",
pool_stride=2,
pool_padding=1)
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=64,
blocks=self.layers[0],
is_first=False,
name="layer1")
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=128,
blocks=self.layers[1],
stride=2,
name="layer2")
if self.dilated or self.dilation==4:
x = self.resnest_layer(x=x,
if self.dilated or self.dilation == 4:
x = self.resnest_layer(
x=x,
planes=256,
blocks=self.layers[2],
stride=1,
dilation=2,
name="layer3")
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=512,
blocks=self.layers[3],
stride=1,
dilation=4,
name="layer4")
elif self.dilation==2:
x = self.resnest_layer(x=x,
elif self.dilation == 2:
x = self.resnest_layer(
x=x,
planes=256,
blocks=self.layers[2],
stride=2,
dilation=1,
name="layer3")
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=512,
blocks=self.layers[3],
stride=1,
dilation=2,
name="layer4")
else:
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=256,
blocks=self.layers[2],
stride=2,
name="layer3")
x = self.resnest_layer(x=x,
x = self.resnest_layer(
x=x,
planes=512,
blocks=self.layers[3],
stride=2,
name="layer4")
x = fluid.layers.pool2d(input=x, pool_type="avg", global_pooling=True, name="global_avg")
x = fluid.layers.dropout(x=x, dropout_prob=self.final_drop, name="final_drop")
stdv=1.0/math.sqrt(x.shape[1]*1.0)
x = fluid.layers.fc(input=x, size=class_dim,
param_attr=fluid.param_attr.ParamAttr(name="fc_weights",
x = fluid.layers.pool2d(
input=x, pool_type="avg", global_pooling=True)
x = fluid.layers.dropout(
x=x, dropout_prob=self.final_drop)
stdv = 1.0 / math.sqrt(x.shape[1] * 1.0)
x = fluid.layers.fc(
input=x,
size=class_dim,
param_attr=ParamAttr(
name="fc_weights",
initializer=fluid.initializer.Uniform(-stdv, stdv)),
bias_attr=ParamAttr(name="fc_offset"))
return x
......@@ -142,109 +174,150 @@ class ResNeSt():
groups=1,
act=None,
name=None):
x = fluid.layers.conv2d(input=x,
x = fluid.layers.conv2d(
input=x,
num_filters=num_filters,
filter_size=filters_size,
stride=stride,
padding=(filters_size-1)//2,
padding=(filters_size - 1) // 2,
groups=groups,
act=None,
param_attr=ParamAttr(initializer=MSRA(), name=name+"_weight"),
param_attr=ParamAttr(
initializer=MSRA(), name=name + "_weight"),
bias_attr=False)
x = fluid.layers.batch_norm(input=x,
x = fluid.layers.batch_norm(
input=x,
act=act,
param_attr=ParamAttr(name=name+"_scale",
regularizer=L2DecayRegularizer(regularization_coeff=self.bn_decay)),
bias_attr=ParamAttr(name=name+"_offset",
regularizer=L2DecayRegularizer(regularization_coeff=self.bn_decay)),
moving_mean_name=name+"_mean",
moving_variance_name=name+"_variance")
param_attr=ParamAttr(
name=name + "_scale",
regularizer=L2DecayRegularizer(
regularization_coeff=self.bn_decay)),
bias_attr=ParamAttr(
name=name + "_offset",
regularizer=L2DecayRegularizer(
regularization_coeff=self.bn_decay)),
moving_mean_name=name + "_mean",
moving_variance_name=name + "_variance")
return x
def rsoftmax(self, x, radix, cardinality, name=None):
def rsoftmax(self, x, radix, cardinality):
batch, r, h, w = x.shape
if radix > 1:
x = fluid.layers.reshape(x=x,
shape=[0, cardinality, radix, int(r*h*w/cardinality/radix)])
x = fluid.layers.reshape(
x=x,
shape=[
0, cardinality, radix, int(r * h * w / cardinality / radix)
])
x = fluid.layers.transpose(x=x, perm=[0, 2, 1, 3])
x = fluid.layers.softmax(input=x, axis=1)
x = fluid.layers.reshape(x=x,
shape=[0, r*h*w])
x = fluid.layers.reshape(x=x, shape=[0, r * h * w])
else:
x = fluid.layers.sigmoid(x=x)
return x
def splat_conv(self, x, in_channels, channels, kernel_size, stride=1, padding=0,
dilation=1, groups=1, bias=True, radix=2, reduction_factor=4,
rectify_avg=False, name=None):
x = self.conv_bn_layer(x=x,
num_filters=channels*radix,
def splat_conv(self,
x,
in_channels,
channels,
kernel_size,
stride=1,
padding=0,
dilation=1,
groups=1,
bias=True,
radix=2,
reduction_factor=4,
rectify_avg=False,
name=None):
x = self.conv_bn_layer(
x=x,
num_filters=channels * radix,
filters_size=kernel_size,
stride=stride,
groups=groups*radix,
groups=groups * radix,
act="relu",
name=name+"_splat1")
name=name + "_splat1")
batch, rchannel = x.shape[:2]
if radix>1:
if radix > 1:
splited = fluid.layers.split(input=x, num_or_sections=radix, dim=1)
gap = fluid.layers.sum(x=splited)
else:
gap = x
gap = fluid.layers.pool2d(input=gap, pool_type="avg", global_pooling=True)
inter_channels = int(max(in_channels*radix//reduction_factor, 32))
gap = self.conv_bn_layer(x=gap,
gap = fluid.layers.pool2d(
input=gap, pool_type="avg", global_pooling=True)
inter_channels = int(max(in_channels * radix // reduction_factor, 32))
gap = self.conv_bn_layer(
x=gap,
num_filters=inter_channels,
filters_size=1,
groups=groups,
act="relu",
name=name+"_splat2")
name=name + "_splat2")
atten = fluid.layers.conv2d(input=gap,
num_filters=channels*radix,
atten = fluid.layers.conv2d(
input=gap,
num_filters=channels * radix,
filter_size=1,
stride=1,
padding=0,
groups=groups,
act=None,
param_attr=ParamAttr(name=name+"_splat_weights", initializer=MSRA()),
param_attr=ParamAttr(
name=name + "_splat_weights", initializer=MSRA()),
bias_attr=False)
atten = self.rsoftmax(x=atten,
radix=radix,
cardinality=groups,
name=name+"_rsoftmax")
atten = self.rsoftmax(
x=atten, radix=radix, cardinality=groups)
atten = fluid.layers.reshape(x=atten, shape=[-1, atten.shape[1], 1, 1])
if radix > 1:
attens = fluid.layers.split(input=atten, num_or_sections=radix, dim=1)
out = fluid.layers.sum([fluid.layers.elementwise_mul(x=att, y=split) for (att, split) in zip(attens, splited)])
attens = fluid.layers.split(
input=atten, num_or_sections=radix, dim=1)
out = fluid.layers.sum([
fluid.layers.elementwise_mul(
x=att, y=split) for (att, split) in zip(attens, splited)
])
else:
out = fluid.layers.elementwise_mul(atten, x)
return out
def bottleneck(self, x, inplanes, planes, stride=1, radix=1, cardinality=1, bottleneck_width=64,
avd=False, avd_first=False, dilation=1, is_first=False, rectify_avg=False,
last_gamma=False, name=None):
def bottleneck(self,
x,
inplanes,
planes,
stride=1,
radix=1,
cardinality=1,
bottleneck_width=64,
avd=False,
avd_first=False,
dilation=1,
is_first=False,
rectify_avg=False,
last_gamma=False,
name=None):
short = x
group_width = int(planes * (bottleneck_width/64.)) * cardinality
x = self.conv_bn_layer(x=x,
group_width = int(planes * (bottleneck_width / 64.)) * cardinality
x = self.conv_bn_layer(
x=x,
num_filters=group_width,
filters_size=1,
stride=1,
groups=1,
act="relu",
name=name+"_conv1")
if avd and avd_first and (stride>1 or is_first):
x = fluid.layers.pool2d(input=x,
name=name + "_conv1")
if avd and avd_first and (stride > 1 or is_first):
x = fluid.layers.pool2d(
input=x,
pool_size=3,
pool_type="avg",
pool_stride=stride,
pool_padding=1)
if radix >= 1:
x = self.splat_conv(x=x,
x = self.splat_conv(
x=x,
in_channels=group_width,
channels=group_width,
kernel_size=3,
......@@ -255,9 +328,10 @@ class ResNeSt():
bias=False,
radix=radix,
rectify_avg=rectify_avg,
name=name+"_splatconv")
name=name + "_splatconv")
else:
x = self.conv_bn_layer(x=x,
x = self.conv_bn_layer(
x=x,
num_filters=group_width,
filters_size=3,
stride=1,
......@@ -265,61 +339,74 @@ class ResNeSt():
dilation=dialtion,
groups=cardinality,
act="relu",
name=name+"_conv2")
name=name + "_conv2")
if avd and avd_first==False and (stride>1 or is_first):
x = fluid.layers.pool2d(input=x,
if avd and avd_first == False and (stride > 1 or is_first):
x = fluid.layers.pool2d(
input=x,
pool_size=3,
pool_type="avg",
pool_stride=stride,
pool_padding=1)
x = self.conv_bn_layer(x=x,
num_filters=planes*4,
x = self.conv_bn_layer(
x=x,
num_filters=planes * 4,
filters_size=1,
stride=1,
groups=1,
act=None,
name=name+"_conv3")
name=name + "_conv3")
if stride!=1 or self.inplanes != planes * 4:
if stride != 1 or self.inplanes != planes * 4:
if self.avg_down:
if dilation==1:
short = fluid.layers.pool2d(input=short,
if dilation == 1:
short = fluid.layers.pool2d(
input=short,
pool_size=stride,
pool_type="avg",
pool_stride=stride,
ceil_mode=True)
else:
short = fluid.layers.pool2d(input=short,
short = fluid.layers.pool2d(
input=short,
pool_size=1,
pool_type="avg",
pool_stride=1,
ceil_mode=True)
short = fluid.layers.conv2d(input=short,
num_filters=planes*4,
short = fluid.layers.conv2d(
input=short,
num_filters=planes * 4,
filter_size=1,
stride=1,
padding=0,
groups=1,
act=None,
param_attr=ParamAttr(name=name+"_weights", initializer=MSRA()),
param_attr=ParamAttr(
name=name + "_weights", initializer=MSRA()),
bias_attr=False)
else:
short = fluid.layers.conv2d(input=short,
num_filters=planes*4,
short = fluid.layers.conv2d(
input=short,
num_filters=planes * 4,
filter_size=1,
stride=stride,
param_attr=ParamAttr(name=name+"_shortcut_weights", initializer=MSRA()),
param_attr=ParamAttr(
name=name + "_shortcut_weights", initializer=MSRA()),
bias_attr=False)
short = fluid.layers.batch_norm(input=short,
short = fluid.layers.batch_norm(
input=short,
act=None,
param_attr=ParamAttr(name=name+"_shortcut_scale",
regularizer=L2DecayRegularizer(regularization_coeff=self.bn_decay)),
bias_attr=ParamAttr(name=name+"_shortcut_offset",
regularizer=L2DecayRegularizer(regularization_coeff=self.bn_decay)),
moving_mean_name=name+"_shortcut_mean",
moving_variance_name=name+"_shortcut_variance")
param_attr=ParamAttr(
name=name + "_shortcut_scale",
regularizer=L2DecayRegularizer(
regularization_coeff=self.bn_decay)),
bias_attr=ParamAttr(
name=name + "_shortcut_offset",
regularizer=L2DecayRegularizer(
regularization_coeff=self.bn_decay)),
moving_mean_name=name + "_shortcut_mean",
moving_variance_name=name + "_shortcut_variance")
return fluid.layers.elementwise_add(x=short, y=x, act="relu")
......@@ -331,8 +418,9 @@ class ResNeSt():
dilation=1,
is_first=True,
name=None):
if dilation==1 or dilation==2:
x = self.bottleneck(x=x,
if dilation == 1 or dilation == 2:
x = self.bottleneck(
x=x,
inplanes=self.inplanes,
planes=planes,
stride=stride,
......@@ -345,9 +433,10 @@ class ResNeSt():
is_first=is_first,
rectify_avg=self.rectify_avg,
last_gamma=self.last_gamma,
name=name+"_bottleneck_0")
elif dilation==4:
x = self.bottleneck(x=x,
name=name + "_bottleneck_0")
elif dilation == 4:
x = self.bottleneck(
x=x,
inplanes=self.inplanes,
planes=planes,
stride=stride,
......@@ -360,14 +449,15 @@ class ResNeSt():
is_first=is_first,
rectify_avg=self.rectify_avg,
last_gamma=self.last_gamma,
name=name+"_bottleneck_0")
name=name + "_bottleneck_0")
else:
raise RuntimeError("=>unknown dilation size")
self.inplanes = planes*4
self.inplanes = planes * 4
for i in range(1, blocks):
name = name+"_bottleneck_"+str(i)
x = self.bottleneck(x=x,
name = name + "_bottleneck_" + str(i)
x = self.bottleneck(
x=x,
inplanes=self.inplanes,
planes=planes,
radix=self.radix,
......@@ -383,71 +473,176 @@ class ResNeSt():
def ResNeSt50(**args):
model = ResNeSt(layers=[3,4,6,3], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=False, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=False,
final_drop=0.0,
**args)
return model
def ResNeSt101(**args):
model = ResNeSt(layers=[3,4,23,3], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=64, avg_down=True,
avd=True, avd_first=False, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 23, 3],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=64,
avg_down=True,
avd=True,
avd_first=False,
final_drop=0.0,
**args)
return model
def ResNeSt200(**args):
model = ResNeSt(layers=[3,24,36,3], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=64, avg_down=True,
avd=True, avd_first=False, final_drop=0.2, **args)
model = ResNeSt(
layers=[3, 24, 36, 3],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=64,
avg_down=True,
avd=True,
avd_first=False,
final_drop=0.2,
**args)
return model
def ResNeSt269(**args):
model = ResNeSt(layers=[3,30,48,8], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=64, avg_down=True,
avd=True, avd_first=False, final_drop=0.2, **args)
model = ResNeSt(
layers=[3, 30, 48, 8],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=64,
avg_down=True,
avd=True,
avd_first=False,
final_drop=0.2,
**args)
return model
def ResNeSt50_fast_1s1x64d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=1, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=1,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_2s1x64d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_4s1x64d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=2, groups=1, bottleneck_width=64,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=2,
groups=1,
bottleneck_width=64,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_1s2x40d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=1, groups=2, bottleneck_width=40,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=1,
groups=2,
bottleneck_width=40,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_2s2x40d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=2, groups=2, bottleneck_width=40,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=2,
groups=2,
bottleneck_width=40,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_4s2x40d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=4, groups=2, bottleneck_width=40,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=4,
groups=2,
bottleneck_width=40,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
def ResNeSt50_fast_1s4x24d(**args):
model = ResNeSt(layers=[3,4,6,3], radix=1, groups=4, bottleneck_width=24,
deep_stem=True, stem_width=32, avg_down=True,
avd=True, avd_first=True, final_drop=0.0, **args)
model = ResNeSt(
layers=[3, 4, 6, 3],
radix=1,
groups=4,
bottleneck_width=24,
deep_stem=True,
stem_width=32,
avg_down=True,
avd=True,
avd_first=True,
final_drop=0.0,
**args)
return model
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