初始化换发型项目:3个微服务代码 + 部署脚本

包含:
- hair_service_sd: 换发型/换发色算法服务 (端口 8801)
- photo_service: LoRA 训练调度服务 (端口 32678)
- stable-diffusion-webui: SD WebUI 推理服务 (端口 57860)
- kohya_ss_home: 训练环境代码
- meidaojia: 监控测试脚本
- setup.sh: 一键部署脚本 (conda环境恢复 + 配置生成 + 完整性检查)
- start_all_services.sh: 启动3个服务
- configure.ini.template: 路径模板化 (BASE_DIR自动推导)
- conda_envs/py310.yml: py310 环境定义

大文件 (weights/, models/, data/, conda_envs/*.tar.gz 等) 通过 .gitignore 排除,
由网盘单独上传。
This commit is contained in:
colomi
2026-07-11 18:11:49 +08:00
commit 0eb61f3e60
628 changed files with 120882 additions and 0 deletions
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import numpy as np
import torch
from torch import nn
def get_norm(norm, out_channels=None):
"""
Args:
norm (str or callable):
Returns:
nn.Module or None: the normalization layer
"""
if isinstance(norm, str):
if len(norm) == 0:
return None
norm = {
"BN": nn.BatchNorm2d,
"IN": nn.InstanceNorm2d,
"GN": lambda channels: nn.GroupNorm(32, channels),
"nnSyncBN": nn.SyncBatchNorm, # keep for debugging
}[norm]
if out_channels is not None:
return norm(out_channels)
else:
return norm
class Conv2d(torch.nn.Conv2d):
"""
A wrapper around :class:`torch.nn.Conv2d` to support zero-size tensor and more features.
"""
def __init__(self, *args, **kwargs):
"""
Extra keyword arguments supported in addition to those in `torch.nn.Conv2d`:
Args:
norm (nn.Module, optional): a normalization layer
activation (callable(Tensor) -> Tensor): a callable activation function
It assumes that norm layer is used before activation.
"""
norm = kwargs.pop("norm", None)
activation = kwargs.pop("activation", None)
super().__init__(*args, **kwargs)
self.norm = norm
self.activation = activation
def forward(self, x):
x = super().forward(x)
if self.norm is not None:
x = self.norm(x)
if self.activation is not None:
x = self.activation(x)
return x
class Backbone(nn.Module):
"""
Abstract base class for network backbones.
"""
def __init__(self):
"""
The `__init__` method of any subclass can specify its own set of arguments.
"""
super().__init__()
def forward(self):
"""
Subclasses must override this method, but adhere to the same return type.
Returns:
dict[str: Tensor]: mapping from feature name (e.g., "res2") to tensor
"""
pass
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import math
import utils.weight_init as weight_init
import torch
import torch.nn.functional as F
from torch import nn
from bodyseg.backbone.backbone import Backbone, get_norm, Conv2d
from bodyseg.backbone.resnet import build_resnet_backbone
class FPN(Backbone):
"""
This module implements Feature Pyramid Network.
It creates pyramid features built on top of some input feature maps.
"""
def __init__(
self, bottom_up, in_features, out_channels, norm="", top_block=None, fuse_type="sum"
):
"""
Args:
bottom_up (Backbone): module representing the bottom up subnetwork.
Must be a subclass of :class:`Backbone`. The multi-scale feature
maps generated by the bottom up network, and listed in `in_features`,
are used to generate FPN levels.
in_features (list[str]): names of the input feature maps coming
from the backbone to which FPN is attached. For example, if the
backbone produces ["res2", "res3", "res4"], any *contiguous* sublist
of these may be used; order must be from high to low resolution.
out_channels (int): number of channels in the output feature maps.
norm (str): the normalization to use.
top_block (nn.Module or None): if provided, an extra operation will
be performed on the output of the last (smallest resolution)
FPN output, and the result will extend the result list. The top_block
further downsamples the feature map. It must have an attribute
"num_levels", meaning the number of extra FPN levels added by
this block, and "in_feature", which is a string representing
its input feature (e.g., p5).
fuse_type (str): types for fusing the top down features and the lateral
ones. It can be "sum" (default), which sums up element-wise; or "avg",
which takes the element-wise mean of the two.
"""
super(FPN, self).__init__()
assert isinstance(bottom_up, Backbone)
# Feature map strides and channels from the bottom up network (e.g. ResNet)
in_strides = [bottom_up._out_feature_strides[f] for f in in_features]
in_channels = [bottom_up._out_feature_channels[f] for f in in_features]
_assert_strides_are_log2_contiguous(in_strides)
lateral_convs = []
output_convs = []
use_bias = norm == ""
for idx, in_channels in enumerate(in_channels):
lateral_norm = get_norm(norm, out_channels)
output_norm = get_norm(norm, out_channels)
lateral_conv = Conv2d(
in_channels, out_channels, kernel_size=1, bias=use_bias, norm=lateral_norm
)
output_conv = Conv2d(
out_channels,
out_channels,
kernel_size=3,
stride=1,
padding=1,
bias=use_bias,
norm=output_norm,
)
weight_init.c2_xavier_fill(lateral_conv)
weight_init.c2_xavier_fill(output_conv)
stage = int(math.log2(in_strides[idx]))
lateral_convs.append(lateral_conv)
output_convs.append(output_conv)
# Place convs into top-down order (from low to high resolution)
# to make the top-down computation in forward clearer.
self.lateral_convs = nn.ModuleList(lateral_convs[::-1])
self.output_convs = nn.ModuleList(output_convs[::-1])
self.top_block = top_block
self.in_features = in_features
self.bottom_up = bottom_up
# Return feature names are "p<stage>", like ["p2", "p3", ..., "p6"]
self._out_feature_strides = {"p{}".format(int(math.log2(s))): s for s in in_strides}
# top block output feature maps.
if self.top_block is not None:
for s in range(stage, stage + self.top_block.num_levels):
self._out_feature_strides["p{}".format(s + 1)] = 2 ** (s + 1)
self._out_features = list(self._out_feature_strides.keys())
self._out_feature_channels = {k: out_channels for k in self._out_features}
assert fuse_type in {"avg", "sum"}
self._fuse_type = fuse_type
def forward(self, x):
"""
Args:
input (dict[str: Tensor]): mapping feature map name (e.g., "res5") to
feature map tensor for each feature level in high to low resolution order.
Returns:
dict[str: Tensor]:
mapping from feature map name to FPN feature map tensor
in high to low resolution order. Returned feature names follow the FPN
paper convention: "p<stage>", where stage has stride = 2 ** stage e.g.,
["p2", "p3", ..., "p6"].
"""
# Reverse feature maps into top-down order (from low to high resolution)
bottom_up_features = self.bottom_up(x)
x = [bottom_up_features[f] for f in self.in_features[::-1]]
results = []
prev_features = self.lateral_convs[0](x[0])
results.append(self.output_convs[0](prev_features))
for features, lateral_conv, output_conv in zip(
x[1:], self.lateral_convs[1:], self.output_convs[1:]
):
top_down_features = F.interpolate(prev_features, scale_factor=2, mode="nearest")
lateral_features = lateral_conv(features)
prev_features = lateral_features + top_down_features
if self._fuse_type == "avg":
prev_features /= 2
results.insert(0, output_conv(prev_features))
if self.top_block is not None:
top_block_in_feature = bottom_up_features.get(self.top_block.in_feature, None)
if top_block_in_feature is None:
top_block_in_feature = results[self._out_features.index(self.top_block.in_feature)]
results.extend(self.top_block(top_block_in_feature))
assert len(self._out_features) == len(results)
return dict(zip(self._out_features, results))
def _assert_strides_are_log2_contiguous(strides):
"""
Assert that each stride is 2x times its preceding stride, i.e. "contiguous in log2".
"""
for i, stride in enumerate(strides[1:], 1):
assert stride == 2 * strides[i - 1], "Strides {} {} are not log2 contiguous".format(
stride, strides[i - 1]
)
class LastLevelMaxPool(nn.Module):
"""
This module is used in the original FPN to generate a downsampled
P6 feature from P5.
"""
def __init__(self):
super().__init__()
self.num_levels = 1
self.in_feature = "p5"
def forward(self, x):
return [F.max_pool2d(x, kernel_size=1, stride=2, padding=0)]
class LastLevelP6P7(nn.Module):
"""
This module is used in RetinaNet to generate extra layers, P6 and P7 from
C5 feature.
"""
def __init__(self, in_channels, out_channels):
super().__init__()
self.num_levels = 2
self.in_feature = "res5"
self.p6 = nn.Conv2d(in_channels, out_channels, 3, 2, 1)
self.p7 = nn.Conv2d(out_channels, out_channels, 3, 2, 1)
for module in [self.p6, self.p7]:
weight_init.c2_xavier_fill(module)
def forward(self, c5):
p6 = self.p6(c5)
p7 = self.p7(F.relu(p6))
return [p6, p7]
def build_resnet_fpn_backbone(in_channels=3):
"""
Args:
cfg: a detectron2 CfgNode
Returns:
backbone (Backbone): backbone module, must be a subclass of :class:`Backbone`.
"""
bottom_up = build_resnet_backbone(in_channels)
in_features = ["res2", "res3", "res4"]
out_channels = 256
backbone = FPN(
bottom_up=bottom_up,
in_features=in_features,
out_channels=out_channels,
norm="BN",
# top_block=LastLevelMaxPool(),
top_block=None,
fuse_type="sum",
)
return backbone
def build_retinanet_resnet_fpn_backbone(cfg, in_channels=3):
"""
Args:
cfg: a detectron2 CfgNode
Returns:
backbone (Backbone): backbone module, must be a subclass of :class:`Backbone`.
"""
bottom_up = build_resnet_backbone(cfg, in_channels)
in_features = cfg.MODEL.FPN.IN_FEATURES
out_channels = cfg.MODEL.FPN.OUT_CHANNELS
in_channels_p6p7 = bottom_up._out_feature_channels["res5"]
backbone = FPN(
bottom_up=bottom_up,
in_features=in_features,
out_channels=out_channels,
norm=cfg.MODEL.FPN.NORM,
top_block=LastLevelP6P7(in_channels_p6p7, out_channels),
fuse_type=cfg.MODEL.FPN.FUSE_TYPE,
)
return backbone
if __name__ == "__main__":
import argparse
from config.default import get_cfg
def setup(args):
"""
Create configs and perform basic setups.
"""
cfg = get_cfg()
cfg.merge_from_file(args.cfg)
cfg.merge_from_list(args.opts)
cfg.freeze()
return cfg
parser = argparse.ArgumentParser(description='Train ImageNet network')
# general
parser.add_argument('--cfg',
help='experiment configure file name',
required=True,
type=str)
parser.add_argument('opts',
help="Modify config options using the command-line",
default=None,
nargs=argparse.REMAINDER)
args = parser.parse_args()
cfg = setup(args)
print(cfg)
model = build_resnet_fpn_backbone(cfg, 3)
# model = build_retinanet_resnet_fpn_backbone(cfg, 3)
print(model)
# model = torch.nn.DataParallel(model, list(range(2))).cuda()
dummy_input = torch.randn(4, 3, 512, 512)
out = model(dummy_input)
for k, v in out.items():
print(k, v.shape)
# torch.onnx.export(model, dummy_input, "tmp.onnx", verbose=True,
# input_names=['input'],
# output_names=['output'])
pass
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import numpy as np
import utils.weight_init as weight_init
import torch
import torch.nn.functional as F
from torch import nn
from bodyseg.backbone.backbone import Backbone, get_norm, Conv2d
class BasicStem(nn.Module):
def __init__(self, in_channels=3, out_channels=64, norm="BN"):
"""
Args:
norm (str or callable): a callable that takes the number of
channels and return a `nn.Module`, or a pre-defined string
(one of {"FrozenBN", "BN", "GN"}).
"""
super().__init__()
self.conv1 = Conv2d(
in_channels,
out_channels,
kernel_size=7,
stride=2,
padding=3,
bias=False,
norm=get_norm(norm, out_channels),
)
weight_init.c2_msra_fill(self.conv1)
def forward(self, x):
x = self.conv1(x)
x = F.relu_(x)
x = F.max_pool2d(x, kernel_size=3, stride=2, padding=1)
return x
@property
def out_channels(self):
return self.conv1.out_channels
@property
def stride(self):
return 4 # = stride 2 conv -> stride 2 max pool
class ResNetBlockBase(nn.Module):
def __init__(self, in_channels, out_channels, stride):
"""
The `__init__` method of any subclass should also contain these arguments.
Args:
in_channels (int):
out_channels (int):
stride (int):
"""
super().__init__()
self.in_channels = in_channels
self.out_channels = out_channels
self.stride = stride
class BottleneckBlock(ResNetBlockBase):
def __init__(
self,
in_channels,
out_channels,
*,
bottleneck_channels,
stride=1,
num_groups=1,
norm="BN",
stride_in_1x1=False,
dilation=1,
):
"""
Args:
norm (str or callable): a callable that takes the number of
channels and return a `nn.Module`, or a pre-defined string
(one of {"FrozenBN", "BN", "GN"}).
stride_in_1x1 (bool): when stride==2, whether to put stride in the
first 1x1 convolution or the bottleneck 3x3 convolution.
"""
super().__init__(in_channels, out_channels, stride)
if in_channels != out_channels:
self.shortcut = Conv2d(
in_channels,
out_channels,
kernel_size=1,
stride=stride,
bias=False,
norm=get_norm(norm, out_channels),
)
else:
self.shortcut = None
# The original MSRA ResNet models have stride in the first 1x1 conv
# The subsequent fb.torch.resnet and Caffe2 ResNe[X]t implementations have
# stride in the 3x3 conv
stride_1x1, stride_3x3 = (stride, 1) if stride_in_1x1 else (1, stride)
self.conv1 = Conv2d(
in_channels,
bottleneck_channels,
kernel_size=1,
stride=stride_1x1,
bias=False,
norm=get_norm(norm, bottleneck_channels),
)
self.conv2 = Conv2d(
bottleneck_channels,
bottleneck_channels,
kernel_size=3,
stride=stride_3x3,
padding=1 * dilation,
bias=False,
groups=num_groups,
dilation=dilation,
norm=get_norm(norm, bottleneck_channels),
)
self.conv3 = Conv2d(
bottleneck_channels,
out_channels,
kernel_size=1,
bias=False,
norm=get_norm(norm, out_channels),
)
for layer in [self.conv1, self.conv2, self.conv3, self.shortcut]:
if layer is not None: # shortcut can be None
weight_init.c2_msra_fill(layer)
# Zero-initialize the last normalization in each residual branch,
# so that at the beginning, the residual branch starts with zeros,
# and each residual block behaves like an identity.
# See Sec 5.1 in "Accurate, Large Minibatch SGD: Training ImageNet in 1 Hour":
# "For BN layers, the learnable scaling coefficient γ is initialized
# to be 1, except for each residual block's last BN
# where γ is initialized to be 0."
# nn.init.constant_(self.conv3.norm.weight, 0)
# TODO this somehow hurts performance when training GN models from scratch.
# Add it as an option when we need to use this code to train a backbone.
def forward(self, x):
out = self.conv1(x)
out = F.relu_(out)
out = self.conv2(out)
out = F.relu_(out)
out = self.conv3(out)
if self.shortcut is not None:
shortcut = self.shortcut(x)
else:
shortcut = x
out += shortcut
out = F.relu_(out)
return out
def make_stage(block_class, num_blocks, first_stride, **kwargs):
"""
Create a resnet stage by creating many blocks.
Args:
block_class (class): a subclass of ResNetBlockBase
num_blocks (int):
first_stride (int): the stride of the first block. The other blocks will have stride=1.
A `stride` argument will be passed to the block constructor.
kwargs: other arguments passed to the block constructor.
Returns:
list[nn.Module]: a list of block module.
"""
blocks = []
for i in range(num_blocks):
blocks.append(block_class(stride=first_stride if i == 0 else 1, **kwargs))
kwargs["in_channels"] = kwargs["out_channels"]
return blocks
class ResNet(Backbone):
def __init__(self, stem, stages, num_classes=None, out_features=None):
"""
Args:
stem (nn.Module): a stem module
stages (list[list[ResNetBlock]]): several (typically 4) stages,
each contains multiple :class:`ResNetBlockBase`.
num_classes (None or int): if None, will not perform classification.
out_features (list[str]): name of the layers whose outputs should
be returned in forward. Can be anything in "stem", "linear", or "res2" ...
If None, will return the output of the last layer.
"""
super(ResNet, self).__init__()
self.stem = stem
self.num_classes = num_classes
current_stride = self.stem.stride
self._out_feature_strides = {"stem": current_stride}
self._out_feature_channels = {"stem": self.stem.out_channels}
self.stages = []
self.names = []
for i, blocks in enumerate(stages):
for block in blocks:
assert isinstance(block, ResNetBlockBase), block
curr_channels = block.out_channels
stage = nn.Sequential(*blocks)
name = "res" + str(i + 2)
self.stages.append(stage)
self.names.append(name)
self._out_feature_strides[name] = current_stride = int(
current_stride * np.prod([k.stride for k in blocks])
)
self._out_feature_channels[name] = blocks[-1].out_channels
self.stages = nn.ModuleList(self.stages)
if num_classes is not None:
self.avgpool = nn.AdaptiveAvgPool2d((1, 1))
self.linear = nn.Linear(curr_channels, num_classes)
# Sec 5.1 in "Accurate, Large Minibatch SGD: Training ImageNet in 1 Hour":
# "The 1000-way fully-connected layer is initialized by
# drawing weights from a zero-mean Gaussian with standard deviation of 0.01."
nn.init.normal_(self.linear.weight, stddev=0.01)
name = "linear"
if out_features is None:
out_features = [name]
self._out_features = out_features
assert len(self._out_features)
for out_feature in self._out_features:
assert out_feature in self.names, "Available children: {}".format(", ".join(self.names))
def forward(self, x):
outputs = {}
x = self.stem(x)
if "stem" in self._out_features:
outputs["stem"] = x
for ix, stage in enumerate(self.stages):
name = self.names[ix]
x = stage(x)
if name in self._out_features:
outputs[name] = x
if self.num_classes is not None:
x = self.avgpool(x)
x = self.linear(x)
if "linear" in self._out_features:
outputs["linear"] = x
return outputs
def build_resnet_backbone(in_channels=3):
norm = "BN"
stem = BasicStem(
in_channels=in_channels,
out_channels=64,
norm=norm,
)
# fmt: off
out_features = ["res2", "res3", "res4"]
depth = 101
num_groups = 1
bottleneck_channels = 64
in_channels = 64
out_channels = 256
stride_in_1x1 = True
res5_dilation = 1
# fmt: on
assert res5_dilation in {1, 2}, "res5_dilation cannot be {}.".format(res5_dilation)
num_blocks_per_stage = {50: [3, 4, 6, 3], 101: [3, 4, 23, 3], 152: [3, 8, 36, 3]}[depth]
stages = []
# Avoid creating variables without gradients
# It consumes extra memory and may cause allreduce to fail
out_stage_idx = [{"res2": 2, "res3": 3, "res4": 4, "res5": 5}[f] for f in out_features]
max_stage_idx = max(out_stage_idx)
for idx, stage_idx in enumerate(range(2, max_stage_idx + 1)):
dilation = res5_dilation if stage_idx == 5 else 1
first_stride = 1 if idx == 0 or (stage_idx == 5 and dilation == 2) else 2
stage_kargs = dict()
stage_kargs.update({
"num_blocks": num_blocks_per_stage[idx],
"first_stride": first_stride,
"in_channels": in_channels,
"bottleneck_channels": bottleneck_channels,
"out_channels": out_channels,
"num_groups": num_groups,
"norm": norm,
"stride_in_1x1": stride_in_1x1,
"dilation": dilation,
})
stage_kargs["block_class"] = BottleneckBlock
blocks = make_stage(**stage_kargs)
in_channels = out_channels
out_channels *= 2
bottleneck_channels *= 2
stages.append(blocks)
return ResNet(stem, stages, out_features=out_features)
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import math
import torch
import torch.nn as nn
import torch.nn.functional as F
import torch.utils.model_zoo as model_zoo
from bodyseg.backbone.backbone import Backbone
def fixed_padding(inputs, kernel_size, dilation):
kernel_size_effective = kernel_size + (kernel_size - 1) * (dilation - 1)
pad_total = kernel_size_effective - 1
pad_beg = pad_total // 2
pad_end = pad_total - pad_beg
padded_inputs = F.pad(inputs, (pad_beg, pad_end, pad_beg, pad_end))
return padded_inputs
class SeparableConv2d(nn.Module):
def __init__(self, inplanes, planes, kernel_size=3, stride=1, dilation=1, bias=False, BatchNorm=None):
super(SeparableConv2d, self).__init__()
self.conv1 = nn.Conv2d(inplanes, inplanes, kernel_size, stride, 0, dilation,
groups=inplanes, bias=bias)
self.bn = BatchNorm(inplanes)
self.pointwise = nn.Conv2d(inplanes, planes, 1, 1, 0, 1, 1, bias=bias)
def forward(self, x):
x = fixed_padding(x, self.conv1.kernel_size[0], dilation=self.conv1.dilation[0])
x = self.conv1(x)
x = self.bn(x)
x = self.pointwise(x)
return x
class Block(nn.Module):
def __init__(self, inplanes, planes, reps, stride=1, dilation=1, BatchNorm=None,
start_with_relu=True, grow_first=True, is_last=False):
super(Block, self).__init__()
if planes != inplanes or stride != 1:
self.skip = nn.Conv2d(inplanes, planes, 1, stride=stride, bias=False)
self.skipbn = BatchNorm(planes)
else:
self.skip = None
self.relu = nn.ReLU(inplace=True)
rep = []
filters = inplanes
if grow_first:
rep.append(self.relu)
rep.append(SeparableConv2d(inplanes, planes, 3, 1, dilation, BatchNorm=BatchNorm))
rep.append(BatchNorm(planes))
filters = planes
for i in range(reps - 1):
rep.append(self.relu)
rep.append(SeparableConv2d(filters, filters, 3, 1, dilation, BatchNorm=BatchNorm))
rep.append(BatchNorm(filters))
if not grow_first:
rep.append(self.relu)
rep.append(SeparableConv2d(inplanes, planes, 3, 1, dilation, BatchNorm=BatchNorm))
rep.append(BatchNorm(planes))
if stride != 1:
rep.append(self.relu)
rep.append(SeparableConv2d(planes, planes, 3, 2, BatchNorm=BatchNorm))
rep.append(BatchNorm(planes))
if stride == 1 and is_last:
rep.append(self.relu)
rep.append(SeparableConv2d(planes, planes, 3, 1, BatchNorm=BatchNorm))
rep.append(BatchNorm(planes))
if not start_with_relu:
rep = rep[1:]
self.rep = nn.Sequential(*rep)
def forward(self, inp):
x = self.rep(inp)
if self.skip is not None:
skip = self.skip(inp)
skip = self.skipbn(skip)
else:
skip = inp
x = x + skip
return x
class AlignedXception(Backbone):
"""
Modified Alighed Xception
"""
def __init__(self, output_stride, BatchNorm):
super(AlignedXception, self).__init__()
if output_stride == 16:
entry_block3_stride = 2
middle_block_dilation = 1
exit_block_dilations = (1, 2)
elif output_stride == 8:
entry_block3_stride = 1
middle_block_dilation = 2
exit_block_dilations = (2, 4)
else:
raise NotImplementedError
# Entry flow
self.conv1 = nn.Conv2d(3, 32, 3, stride=2, padding=1, bias=False)
self.bn1 = BatchNorm(32)
self.relu = nn.ReLU(inplace=True)
self.conv2 = nn.Conv2d(32, 64, 3, stride=1, padding=1, bias=False)
self.bn2 = BatchNorm(64)
self.block1 = Block(64, 128, reps=2, stride=2, BatchNorm=BatchNorm, start_with_relu=False)
self.block2 = Block(128, 256, reps=2, stride=2, BatchNorm=BatchNorm, start_with_relu=False,
grow_first=True)
self.block3 = Block(256, 728, reps=2, stride=entry_block3_stride, BatchNorm=BatchNorm,
start_with_relu=True, grow_first=True, is_last=True)
# Middle flow
self.block4 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block5 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block6 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block7 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block8 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block9 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block10 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block11 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block12 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block13 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block14 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block15 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block16 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block17 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block18 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
self.block19 = Block(728, 728, reps=3, stride=1, dilation=middle_block_dilation,
BatchNorm=BatchNorm, start_with_relu=True, grow_first=True)
# Exit flow
self.block20 = Block(728, 1024, reps=2, stride=1, dilation=exit_block_dilations[0],
BatchNorm=BatchNorm, start_with_relu=True, grow_first=False, is_last=True)
self.conv3 = SeparableConv2d(1024, 1536, 3, stride=1, dilation=exit_block_dilations[1], BatchNorm=BatchNorm)
self.bn3 = BatchNorm(1536)
self.conv4 = SeparableConv2d(1536, 1536, 3, stride=1, dilation=exit_block_dilations[1], BatchNorm=BatchNorm)
self.bn4 = BatchNorm(1536)
self.conv5 = SeparableConv2d(1536, 2048, 3, stride=1, dilation=exit_block_dilations[1], BatchNorm=BatchNorm)
self.bn5 = BatchNorm(2048)
# Init weights
self._init_weight()
def forward(self, x):
# Entry flow
x = self.conv1(x)
x = self.bn1(x)
x = self.relu(x)
x = self.conv2(x)
x = self.bn2(x)
x = self.relu(x)
x = self.block1(x)
# add relu here
x = self.relu(x)
low_level_feat = x
x = self.block2(x)
x = self.block3(x)
# Middle flow
x = self.block4(x)
x = self.block5(x)
x = self.block6(x)
x = self.block7(x)
x = self.block8(x)
x = self.block9(x)
x = self.block10(x)
x = self.block11(x)
x = self.block12(x)
x = self.block13(x)
x = self.block14(x)
x = self.block15(x)
x = self.block16(x)
x = self.block17(x)
x = self.block18(x)
x = self.block19(x)
# Exit flow
x = self.block20(x)
x = self.relu(x)
x = self.conv3(x)
x = self.bn3(x)
x = self.relu(x)
x = self.conv4(x)
x = self.bn4(x)
x = self.relu(x)
x = self.conv5(x)
x = self.bn5(x)
x = self.relu(x)
return x, low_level_feat
def _init_weight(self):
for m in self.modules():
if isinstance(m, nn.Conv2d):
n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
m.weight.data.normal_(0, math.sqrt(2. / n))
elif isinstance(m, nn.SyncBatchNorm):
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, nn.BatchNorm2d):
m.weight.data.fill_(1)
m.bias.data.zero_()
if __name__ == "__main__":
import torch
model = AlignedXception(BatchNorm=nn.BatchNorm2d, output_stride=16)
input = torch.rand(1, 3, 512, 512)
output, low_level_feat = model(input)
print(output.size())
print(low_level_feat.size())
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import sys
# sys.path.append("/Users/momo/human_seg_train")
# print(sys.path)
import torch
import torch.nn as nn
import torch.nn.functional as F
from bodyseg.backbone.backbone import get_norm
class ConvBNReLU(nn.Sequential):
def __init__(self, in_planes, out_planes, kernel_size=3, stride=1, groups=1, norm_layer=None):
padding = (kernel_size - 1) // 2
if norm_layer is None:
norm_layer = nn.BatchNorm2d
super(ConvBNReLU, self).__init__(
nn.Conv2d(in_planes, out_planes, kernel_size, stride, padding, groups=groups, bias=False),
norm_layer(out_planes),
nn.ReLU6(inplace=True)
)
class InvertedResidual(nn.Module):
def __init__(self, inp, oup, stride, expand_ratio, norm_layer=None):
super(InvertedResidual, self).__init__()
self.stride = stride
assert stride in [1, 2]
if norm_layer is None:
norm_layer = nn.BatchNorm2d
hidden_dim = int(round(inp * expand_ratio))
self.use_res_connect = self.stride == 1 and inp == oup
layers = []
if expand_ratio != 1:
# pw
layers.append(ConvBNReLU(inp, hidden_dim, kernel_size=1, norm_layer=norm_layer))
layers.extend([
# dw
ConvBNReLU(hidden_dim, hidden_dim, stride=stride, groups=hidden_dim, norm_layer=norm_layer),
# pw-linear
nn.Conv2d(hidden_dim, oup, 1, 1, 0, bias=False),
norm_layer(oup),
])
self.conv = nn.Sequential(*layers)
def forward(self, x):
if self.use_res_connect:
return x + self.conv(x)
else:
return self.conv(x)
class UpSampleBlock(nn.Module):
def __init__(self, in_channels, out_channels, expand_ratio=6):
super(UpSampleBlock, self).__init__()
self.refine = InvertedResidual(in_channels, out_channels, 1, expand_ratio)
def forward(self, x0, x1):
x = torch.cat([x0, x1], dim=1)
x = self.refine(x)
return x
class BodySegNet_32_thin_sigmod(nn.Module):
def __init__(self, input_channels=3, class_nums=1, output_onnx=False):
super(BodySegNet_32_thin_sigmod, self).__init__()
self.class_nums = class_nums
self.output_onnx = output_onnx
self.stage_1 = nn.Sequential(
ConvBNReLU(input_channels, 16, kernel_size=3, stride=2)
)
self.stage_2 = nn.Sequential(
ConvBNReLU(16, 16, kernel_size=3, stride=2, groups=16),
ConvBNReLU(16, 16, kernel_size=1, stride=1),
)
self.stage_3 = nn.Sequential(
InvertedResidual(16, 24, stride=2, expand_ratio=6),
InvertedResidual(24, 24, stride=1, expand_ratio=6),
InvertedResidual(24, 24, stride=1, expand_ratio=6),
)
self.stage_4 = nn.Sequential(
InvertedResidual(24, 32, stride=2, expand_ratio=6),
InvertedResidual(32, 32, stride=1, expand_ratio=6),
InvertedResidual(32, 32, stride=1, expand_ratio=6),
InvertedResidual(32, 32, stride=1, expand_ratio=6),
)
self.stage_5 = nn.Sequential(
InvertedResidual(32, 48, stride=2, expand_ratio=6),
InvertedResidual(48, 48, stride=1, expand_ratio=6),
InvertedResidual(48, 48, stride=1, expand_ratio=6),
InvertedResidual(48, 48, stride=1, expand_ratio=6)
)
self.up_to_4 = UpSampleBlock(48 + 32, 16)
self.up_to_3 = UpSampleBlock(16 + 24, 16)
self.up_to_2 = UpSampleBlock(16 + 16, 16)
self.up_to_1 = UpSampleBlock(16 + 16, 16)
self.last_layer = nn.Sequential(
ConvBNReLU(16, 16, kernel_size=1, stride=1),
nn.Conv2d(16, self.class_nums, kernel_size=1, stride=1)
)
self._initialize_weights()
def forward(self, x):
feature_S = []
x1 = self.stage_1(x)
x2 = self.stage_2(x1)
x3 = self.stage_3(x2)
x4 = self.stage_4(x3)
feature = self.stage_5(x4)
feature = F.interpolate(feature, size=x4.size()[2:], mode='bilinear', align_corners=True)
feature = self.up_to_4(x4, feature)
feature = F.interpolate(feature, size=x3.size()[2:], mode='bilinear', align_corners=True)
feature = self.up_to_3(x3, feature)
feature = F.interpolate(feature, size=x2.size()[2:], mode='bilinear', align_corners=True)
feature = self.up_to_2(x2, feature)
feature = F.interpolate(feature, size=x1.size()[2:], mode='bilinear', align_corners=True)
feature = self.up_to_1(x1, feature)
feature_S.append(feature)
feature = self.last_layer(feature)
feature_S.append(feature)
output = F.interpolate(feature, size=x.size()[2:], mode='bilinear', align_corners=True)
# output = torch.sigmoid(output)
if self.output_onnx:
output = torch.argmax(output, dim=1).to(torch.float32)
return output, feature_S
def _initialize_weights(self):
for name, m in self.named_modules():
if isinstance(m, nn.Conv2d):
if 'first' in name:
nn.init.normal_(m.weight, 0, 0.01)
else:
nn.init.normal_(m.weight, 0, 1.0 / m.weight.shape[1])
if m.bias is not None:
nn.init.constant_(m.bias, 0)
elif isinstance(m, nn.BatchNorm2d):
nn.init.constant_(m.weight, 1)
if m.bias is not None:
nn.init.constant_(m.bias, 0.0001)
nn.init.constant_(m.running_mean, 0)
elif isinstance(m, nn.BatchNorm1d):
nn.init.constant_(m.weight, 1)
if m.bias is not None:
nn.init.constant_(m.bias, 0.0001)
nn.init.constant_(m.running_mean, 0)
elif isinstance(m, nn.Linear):
nn.init.normal_(m.weight, 0, 0.01)
if m.bias is not None:
nn.init.constant_(m.bias, 0)
class _ASPPModule(nn.Module):
def __init__(self, inplanes, planes, kernel_size, padding, dilation, BatchNorm):
super(_ASPPModule, self).__init__()
self.atrous_conv = nn.Conv2d(inplanes, planes, kernel_size=kernel_size,
stride=1, padding=padding, dilation=dilation, bias=False)
self.bn = BatchNorm(planes)
self.relu = nn.ReLU()
self._init_weight()
def forward(self, x):
x = self.atrous_conv(x)
x = self.bn(x)
return self.relu(x)
def _init_weight(self):
for m in self.modules():
if isinstance(m, nn.Conv2d):
torch.nn.init.kaiming_normal_(m.weight)
class ASPP(nn.Module):
def __init__(self, backbone, output_stride, BatchNorm):
super(ASPP, self).__init__()
if backbone == 'drn':
inplanes = 512
elif backbone == 'mobilenet':
inplanes = 320
elif backbone == 'resnet_fpn':
inplanes = 256
else:
inplanes = 2048
if output_stride == 16:
dilations = [1, 6, 12, 18]
elif output_stride == 8:
dilations = [1, 12, 24, 36]
else:
raise NotImplementedError
self.aspp1 = _ASPPModule(inplanes, 256, 1, padding=0, dilation=dilations[0], BatchNorm=BatchNorm)
self.aspp2 = _ASPPModule(inplanes, 256, 3, padding=dilations[1], dilation=dilations[1], BatchNorm=BatchNorm)
self.aspp3 = _ASPPModule(inplanes, 256, 3, padding=dilations[2], dilation=dilations[2], BatchNorm=BatchNorm)
self.aspp4 = _ASPPModule(inplanes, 256, 3, padding=dilations[3], dilation=dilations[3], BatchNorm=BatchNorm)
self.global_avg_pool = nn.Sequential(nn.AdaptiveAvgPool2d((1, 1)),
nn.Conv2d(inplanes, 256, 1, stride=1, bias=False),
BatchNorm(256),
nn.ReLU())
self.conv1 = nn.Conv2d(1280, 256, 1, bias=False)
self.bn1 = BatchNorm(256)
self.relu = nn.ReLU()
self.dropout = nn.Dropout(0.5)
self._init_weight()
def forward(self, x):
x1 = self.aspp1(x)
x2 = self.aspp2(x)
x3 = self.aspp3(x)
x4 = self.aspp4(x)
x5 = self.global_avg_pool(x)
x5 = F.interpolate(x5, size=x4.size()[2:], mode='bilinear', align_corners=True)
# x5 = F.interpolate(x5, size=x4.size()[2:], mode='nearest')
x = torch.cat((x1, x2, x3, x4, x5), dim=1)
x = self.conv1(x)
x = self.bn1(x)
x = self.relu(x)
return self.dropout(x)
def _init_weight(self):
for m in self.modules():
if isinstance(m, nn.Conv2d):
torch.nn.init.kaiming_normal_(m.weight)
class Decoder(nn.Module):
def __init__(self,num_classes, backbone, BatchNorm):
super(Decoder, self).__init__()
if backbone == 'resnet_fpn' or backbone == 'drn':
low_level_inplanes = 256
elif backbone == 'xception':
low_level_inplanes = 128
elif backbone == 'mobilenet':
low_level_inplanes = 24
else:
raise NotImplementedError
self.conv1 = nn.Conv2d(low_level_inplanes, 16, 1, bias=False)
self.bn1 = BatchNorm(16)
self.relu = nn.ReLU()
self.last_conv = nn.Sequential(nn.Conv2d(304, 256, kernel_size=3, stride=1, padding=1, bias=False),
BatchNorm(256),
nn.ReLU(),
nn.Dropout(0.5),
nn.Conv2d(256, 256, kernel_size=3, stride=1, padding=1, bias=False),
BatchNorm(256),
nn.ReLU(),
nn.Dropout(0.1),
nn.Conv2d(256, num_classes, kernel_size=1, stride=1))
self.up_to_1 = UpSampleBlock(16 + 16, 16)
self.last_layer = nn.Sequential(
ConvBNReLU(16, 16, kernel_size=1, stride=1),
nn.Conv2d(16, 1, kernel_size=1, stride=1)
)
self._init_weight()
# x(1,256,8,6) low(1,256,32,24) -》 x(1,1,32,24)
def forward(self, x, low_level_feat):
feature_T = []
# deeplab part
#(1,256,32,24) -> (1,16,64,48)
low_level_feat = self.conv1(low_level_feat)
low_level_feat = self.bn1(low_level_feat)
low_level_feat = self.relu(low_level_feat)
# x(1, 256, 8, 6)-> (1,16,32,24)
x = F.interpolate(x, size=low_level_feat.size()[2:], mode='bilinear', align_corners=True)
low_level_feat = F.interpolate(low_level_feat,
size=[low_level_feat.size()[2] * 2, low_level_feat.size()[3] * 2],
mode='bilinear', align_corners=True)
x = self.conv1(x)
x = self.bn1(x)
x = self.relu(x)
# bodyseg part
feature = F.interpolate(x, size=[x.size()[2] * 2,x.size()[3] * 2], mode='bilinear', align_corners=True)
# 输入up_to_1 x(low)(1,16,64,48),上采样2倍后的feature(1,16,64,48)
feature = self.up_to_1(low_level_feat, feature)
feature_T.append(feature)
# (1,1,64,48)
feature = self.last_layer(feature)
feature_T.append(feature)
# (1,1,128,96)
output = F.interpolate(feature, size=[128,96], mode='bilinear', align_corners=True)
# output = torch.sigmoid(output)
return output, feature_T
def _init_weight(self):
for m in self.modules():
if isinstance(m, nn.Conv2d):
torch.nn.init.kaiming_normal_(m.weight)
def build_backbone(backbone, output_stride, BatchNorm, input_channel=3):
from bodyseg.backbone.fpn import build_resnet_fpn_backbone
from bodyseg.backbone.xception import AlignedXception
return build_resnet_fpn_backbone(input_channel)
def build_aspp(backbone, output_stride, BatchNorm):
return ASPP(backbone, output_stride, BatchNorm)
def build_decoder(num_classes, backbone, BatchNorm):
return Decoder(num_classes, backbone, BatchNorm)
class DeepLab(nn.Module):
def __init__(self, input_channel=3, class_num=1):
super(DeepLab, self).__init__()
BatchNorm = get_norm("BN")
self.backbone = build_backbone("resnet_fpn", 16, BatchNorm, input_channel=input_channel)
self.aspp = build_aspp("resnet_fpn", 16, BatchNorm)
self.decoder = build_decoder(class_num, "resnet_fpn", BatchNorm)
def forward(self, input):
# input(1,3,128,96)
#output: "p2"(1,256,32,24), "p3"(1,256,16,12), "p4"(1,256,8,6)
output = self.backbone(input)
# "p4"(1,256,8,6) "p2"(1,256,32,24)
x, low_level_feat = output['p4'], output['p2']
# x(1,256,8,6)-》(1,256,8,6)
x = self.aspp(x)
# x(1,256,8,6) low(1,256,32,24) -》 x(1,1,32,24)
x, feature_T = self.decoder(x, low_level_feat)
# x(1,1,128,96)
x = F.interpolate(x, size=input.size()[2:], mode='bilinear', align_corners=True)
# x = F.interpolate(x, size=input.size()[2:], mode='nearest')
return x, feature_T