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modelscope-scepter/scepter/modules/annotator/pidinet.py
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2025-02-03 13:36:44 +08:00

935 lines
30 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) Alibaba, Inc. and its affiliates.
import math
from abc import ABCMeta
import numpy as np
import torch
import torch.nn as nn
import torch.nn.functional as F
from einops import rearrange
from scepter.modules.annotator.base_annotator import BaseAnnotator
from scepter.modules.annotator.registry import ANNOTATORS
from scepter.modules.utils.config import dict_to_yaml
from scepter.modules.utils.distribute import we
from scepter.modules.utils.file_system import FS
CONFIGS = {
'baseline': {
'layer0': 'cv',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'cv',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'cv',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'cv',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'c-v15': {
'layer0': 'cd',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'cv',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'cv',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'cv',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'a-v15': {
'layer0': 'ad',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'cv',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'cv',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'cv',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'r-v15': {
'layer0': 'rd',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'cv',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'cv',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'cv',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'cvvv4': {
'layer0': 'cd',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'cd',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'cd',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'cd',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'avvv4': {
'layer0': 'ad',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'ad',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'ad',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'ad',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'rvvv4': {
'layer0': 'rd',
'layer1': 'cv',
'layer2': 'cv',
'layer3': 'cv',
'layer4': 'rd',
'layer5': 'cv',
'layer6': 'cv',
'layer7': 'cv',
'layer8': 'rd',
'layer9': 'cv',
'layer10': 'cv',
'layer11': 'cv',
'layer12': 'rd',
'layer13': 'cv',
'layer14': 'cv',
'layer15': 'cv',
},
'cccv4': {
'layer0': 'cd',
'layer1': 'cd',
'layer2': 'cd',
'layer3': 'cv',
'layer4': 'cd',
'layer5': 'cd',
'layer6': 'cd',
'layer7': 'cv',
'layer8': 'cd',
'layer9': 'cd',
'layer10': 'cd',
'layer11': 'cv',
'layer12': 'cd',
'layer13': 'cd',
'layer14': 'cd',
'layer15': 'cv',
},
'aaav4': {
'layer0': 'ad',
'layer1': 'ad',
'layer2': 'ad',
'layer3': 'cv',
'layer4': 'ad',
'layer5': 'ad',
'layer6': 'ad',
'layer7': 'cv',
'layer8': 'ad',
'layer9': 'ad',
'layer10': 'ad',
'layer11': 'cv',
'layer12': 'ad',
'layer13': 'ad',
'layer14': 'ad',
'layer15': 'cv',
},
'rrrv4': {
'layer0': 'rd',
'layer1': 'rd',
'layer2': 'rd',
'layer3': 'cv',
'layer4': 'rd',
'layer5': 'rd',
'layer6': 'rd',
'layer7': 'cv',
'layer8': 'rd',
'layer9': 'rd',
'layer10': 'rd',
'layer11': 'cv',
'layer12': 'rd',
'layer13': 'rd',
'layer14': 'rd',
'layer15': 'cv',
},
'c16': {
'layer0': 'cd',
'layer1': 'cd',
'layer2': 'cd',
'layer3': 'cd',
'layer4': 'cd',
'layer5': 'cd',
'layer6': 'cd',
'layer7': 'cd',
'layer8': 'cd',
'layer9': 'cd',
'layer10': 'cd',
'layer11': 'cd',
'layer12': 'cd',
'layer13': 'cd',
'layer14': 'cd',
'layer15': 'cd',
},
'a16': {
'layer0': 'ad',
'layer1': 'ad',
'layer2': 'ad',
'layer3': 'ad',
'layer4': 'ad',
'layer5': 'ad',
'layer6': 'ad',
'layer7': 'ad',
'layer8': 'ad',
'layer9': 'ad',
'layer10': 'ad',
'layer11': 'ad',
'layer12': 'ad',
'layer13': 'ad',
'layer14': 'ad',
'layer15': 'ad',
},
'r16': {
'layer0': 'rd',
'layer1': 'rd',
'layer2': 'rd',
'layer3': 'rd',
'layer4': 'rd',
'layer5': 'rd',
'layer6': 'rd',
'layer7': 'rd',
'layer8': 'rd',
'layer9': 'rd',
'layer10': 'rd',
'layer11': 'rd',
'layer12': 'rd',
'layer13': 'rd',
'layer14': 'rd',
'layer15': 'rd',
},
'carv4': {
'layer0': 'cd',
'layer1': 'ad',
'layer2': 'rd',
'layer3': 'cv',
'layer4': 'cd',
'layer5': 'ad',
'layer6': 'rd',
'layer7': 'cv',
'layer8': 'cd',
'layer9': 'ad',
'layer10': 'rd',
'layer11': 'cv',
'layer12': 'cd',
'layer13': 'ad',
'layer14': 'rd',
'layer15': 'cv'
}
}
def create_conv_func(op_type):
assert op_type in ['cv', 'cd', 'ad',
'rd'], 'unknown op type: %s' % str(op_type)
if op_type == 'cv':
return F.conv2d
if op_type == 'cd':
def func(x,
weights,
bias=None,
stride=1,
padding=0,
dilation=1,
groups=1):
assert dilation in [1,
2], 'dilation for cd_conv should be in 1 or 2'
assert weights.size(2) == 3 and weights.size(3) == 3, \
'kernel size for cd_conv should be 3x3'
assert padding == dilation, 'padding for cd_conv set wrong'
weights_c = weights.sum(dim=[2, 3], keepdim=True)
yc = F.conv2d(x,
weights_c,
stride=stride,
padding=0,
groups=groups)
y = F.conv2d(x,
weights,
bias,
stride=stride,
padding=padding,
dilation=dilation,
groups=groups)
return y - yc
return func
elif op_type == 'ad':
def func(x,
weights,
bias=None,
stride=1,
padding=0,
dilation=1,
groups=1):
assert dilation in [1,
2], 'dilation for ad_conv should be in 1 or 2'
assert weights.size(2) == 3 and weights.size(3) == 3, \
'kernel size for ad_conv should be 3x3'
assert padding == dilation, 'padding for ad_conv set wrong'
shape = weights.shape
weights = weights.view(shape[0], shape[1], -1)
# clock-wise
weights_conv = (
weights -
weights[:, :, [3, 0, 1, 6, 4, 2, 7, 8, 5]]).view(shape)
y = F.conv2d(x,
weights_conv,
bias,
stride=stride,
padding=padding,
dilation=dilation,
groups=groups)
return y
return func
elif op_type == 'rd':
def func(x,
weights,
bias=None,
stride=1,
padding=0,
dilation=1,
groups=1):
assert dilation in [1,
2], 'dilation for rd_conv should be in 1 or 2'
assert weights.size(2) == 3 and weights.size(3) == 3, \
'kernel size for rd_conv should be 3x3'
padding = 2 * dilation
shape = weights.shape
if weights.is_cuda:
buffer = torch.cuda.FloatTensor(shape[0], shape[1],
5 * 5).fill_(0)
else:
buffer = torch.zeros(shape[0], shape[1], 5 * 5)
weights = weights.view(shape[0], shape[1], -1)
buffer[:, :, [0, 2, 4, 10, 14, 20, 22, 24]] = weights[:, :, 1:]
buffer[:, :, [6, 7, 8, 11, 13, 16, 17, 18]] = -weights[:, :, 1:]
buffer[:, :, 12] = 0
buffer = buffer.view(shape[0], shape[1], 5, 5)
y = F.conv2d(x,
buffer,
bias,
stride=stride,
padding=padding,
dilation=dilation,
groups=groups)
return y
return func
else:
print('impossible to be here unless you force that', flush=True)
return None
def config_model(model):
model_options = list(CONFIGS.keys())
assert model in model_options, \
'unrecognized model, please choose from %s' % str(model_options)
pdcs = []
for i in range(16):
layer_name = 'layer%d' % i
op = CONFIGS[model][layer_name]
pdcs.append(create_conv_func(op))
return pdcs
def config_model_converted(model):
model_options = list(CONFIGS.keys())
assert model in model_options, \
'unrecognized model, please choose from %s' % str(model_options)
pdcs = []
for i in range(16):
layer_name = 'layer%d' % i
op = CONFIGS[model][layer_name]
pdcs.append(op)
return pdcs
def convert_pdc(op, weight):
if op == 'cv':
return weight
elif op == 'cd':
shape = weight.shape
weight_c = weight.sum(dim=[2, 3])
weight = weight.view(shape[0], shape[1], -1)
weight[:, :, 4] = weight[:, :, 4] - weight_c
weight = weight.view(shape)
return weight
elif op == 'ad':
shape = weight.shape
weight = weight.view(shape[0], shape[1], -1)
weight_conv = (weight -
weight[:, :, [3, 0, 1, 6, 4, 2, 7, 8, 5]]).view(shape)
return weight_conv
elif op == 'rd':
shape = weight.shape
buffer = torch.zeros(shape[0], shape[1], 5 * 5, device=weight.device)
weight = weight.view(shape[0], shape[1], -1)
buffer[:, :, [0, 2, 4, 10, 14, 20, 22, 24]] = weight[:, :, 1:]
buffer[:, :, [6, 7, 8, 11, 13, 16, 17, 18]] = -weight[:, :, 1:]
buffer = buffer.view(shape[0], shape[1], 5, 5)
return buffer
raise ValueError('wrong op {}'.format(str(op)))
def convert_pidinet(state_dict, config):
pdcs = config_model_converted(config)
new_dict = {}
for pname, p in state_dict.items():
if 'init_block.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[0], p)
elif 'block1_1.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[1], p)
elif 'block1_2.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[2], p)
elif 'block1_3.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[3], p)
elif 'block2_1.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[4], p)
elif 'block2_2.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[5], p)
elif 'block2_3.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[6], p)
elif 'block2_4.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[7], p)
elif 'block3_1.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[8], p)
elif 'block3_2.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[9], p)
elif 'block3_3.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[10], p)
elif 'block3_4.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[11], p)
elif 'block4_1.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[12], p)
elif 'block4_2.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[13], p)
elif 'block4_3.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[14], p)
elif 'block4_4.conv1.weight' in pname:
new_dict[pname] = convert_pdc(pdcs[15], p)
else:
new_dict[pname] = p
return new_dict
class Conv2d(nn.Module):
def __init__(self,
pdc,
in_channels,
out_channels,
kernel_size,
stride=1,
padding=0,
dilation=1,
groups=1,
bias=False):
super().__init__()
if in_channels % groups != 0:
raise ValueError('in_channels must be divisible by groups')
if out_channels % groups != 0:
raise ValueError('out_channels must be divisible by groups')
self.in_channels = in_channels
self.out_channels = out_channels
self.kernel_size = kernel_size
self.stride = stride
self.padding = padding
self.dilation = dilation
self.groups = groups
self.weight = nn.Parameter(
torch.Tensor(out_channels, in_channels // groups, kernel_size,
kernel_size))
if bias:
self.bias = nn.Parameter(torch.Tensor(out_channels))
else:
self.register_parameter('bias', None)
self.reset_parameters()
self.pdc = pdc
def reset_parameters(self):
nn.init.kaiming_uniform_(self.weight, a=math.sqrt(5))
if self.bias is not None:
fan_in, _ = nn.init._calculate_fan_in_and_fan_out(self.weight)
bound = 1 / math.sqrt(fan_in)
nn.init.uniform_(self.bias, -bound, bound)
def forward(self, input):
return self.pdc(input, self.weight, self.bias, self.stride,
self.padding, self.dilation, self.groups)
class CSAM(nn.Module):
"""
Compact Spatial Attention Module
"""
def __init__(self, channels):
super().__init__()
mid_channels = 4
self.relu1 = nn.ReLU()
self.conv1 = nn.Conv2d(channels,
mid_channels,
kernel_size=1,
padding=0)
self.conv2 = nn.Conv2d(mid_channels,
1,
kernel_size=3,
padding=1,
bias=False)
self.sigmoid = nn.Sigmoid()
nn.init.constant_(self.conv1.bias, 0)
def forward(self, x):
y = self.relu1(x)
y = self.conv1(y)
y = self.conv2(y)
y = self.sigmoid(y)
return x * y
class CDCM(nn.Module):
"""
Compact Dilation Convolution based Module
"""
def __init__(self, in_channels, out_channels):
super().__init__()
self.relu1 = nn.ReLU()
self.conv1 = nn.Conv2d(in_channels,
out_channels,
kernel_size=1,
padding=0)
self.conv2_1 = nn.Conv2d(out_channels,
out_channels,
kernel_size=3,
dilation=5,
padding=5,
bias=False)
self.conv2_2 = nn.Conv2d(out_channels,
out_channels,
kernel_size=3,
dilation=7,
padding=7,
bias=False)
self.conv2_3 = nn.Conv2d(out_channels,
out_channels,
kernel_size=3,
dilation=9,
padding=9,
bias=False)
self.conv2_4 = nn.Conv2d(out_channels,
out_channels,
kernel_size=3,
dilation=11,
padding=11,
bias=False)
nn.init.constant_(self.conv1.bias, 0)
def forward(self, x):
x = self.relu1(x)
x = self.conv1(x)
x1 = self.conv2_1(x)
x2 = self.conv2_2(x)
x3 = self.conv2_3(x)
x4 = self.conv2_4(x)
return x1 + x2 + x3 + x4
class MapReduce(nn.Module):
"""
Reduce feature maps into a single edge map
"""
def __init__(self, channels):
super().__init__()
self.conv = nn.Conv2d(channels, 1, kernel_size=1, padding=0)
nn.init.constant_(self.conv.bias, 0)
def forward(self, x):
return self.conv(x)
class PDCBlock(nn.Module):
def __init__(self, pdc, inplane, ouplane, stride=1):
super().__init__()
self.stride = stride
self.stride = stride
if self.stride > 1:
self.pool = nn.MaxPool2d(kernel_size=2, stride=2)
self.shortcut = nn.Conv2d(inplane,
ouplane,
kernel_size=1,
padding=0)
self.conv1 = Conv2d(pdc,
inplane,
inplane,
kernel_size=3,
padding=1,
groups=inplane,
bias=False)
self.relu2 = nn.ReLU()
self.conv2 = nn.Conv2d(inplane,
ouplane,
kernel_size=1,
padding=0,
bias=False)
def forward(self, x):
if self.stride > 1:
x = self.pool(x)
y = self.conv1(x)
y = self.relu2(y)
y = self.conv2(y)
if self.stride > 1:
x = self.shortcut(x)
y = y + x
return y
class PDCBlock_converted(nn.Module):
"""
CPDC, APDC can be converted to vanilla 3x3 convolution
RPDC can be converted to vanilla 5x5 convolution
"""
def __init__(self, pdc, inplane, ouplane, stride=1):
super().__init__()
self.stride = stride
if self.stride > 1:
self.pool = nn.MaxPool2d(kernel_size=2, stride=2)
self.shortcut = nn.Conv2d(inplane,
ouplane,
kernel_size=1,
padding=0)
if pdc == 'rd':
self.conv1 = nn.Conv2d(inplane,
inplane,
kernel_size=5,
padding=2,
groups=inplane,
bias=False)
else:
self.conv1 = nn.Conv2d(inplane,
inplane,
kernel_size=3,
padding=1,
groups=inplane,
bias=False)
self.relu2 = nn.ReLU()
self.conv2 = nn.Conv2d(inplane,
ouplane,
kernel_size=1,
padding=0,
bias=False)
def forward(self, x):
if self.stride > 1:
x = self.pool(x)
y = self.conv1(x)
y = self.relu2(y)
y = self.conv2(y)
if self.stride > 1:
x = self.shortcut(x)
y = y + x
return y
class PiDiNet(nn.Module):
def __init__(self,
inplane,
pdcs,
dil=None,
sa=False,
convert=False,
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]):
super().__init__()
self.sa = sa
if dil is not None:
assert isinstance(dil, int), 'dil should be an int'
self.dil = dil
self.mean = mean
self.std = std
self.fuseplanes = []
self.inplane = inplane
if convert:
if pdcs[0] == 'rd':
init_kernel_size = 5
init_padding = 2
else:
init_kernel_size = 3
init_padding = 1
self.init_block = nn.Conv2d(3,
self.inplane,
kernel_size=init_kernel_size,
padding=init_padding,
bias=False)
block_class = PDCBlock_converted
else:
self.init_block = Conv2d(pdcs[0],
3,
self.inplane,
kernel_size=3,
padding=1)
block_class = PDCBlock
self.block1_1 = block_class(pdcs[1], self.inplane, self.inplane)
self.block1_2 = block_class(pdcs[2], self.inplane, self.inplane)
self.block1_3 = block_class(pdcs[3], self.inplane, self.inplane)
self.fuseplanes.append(self.inplane) # C
inplane = self.inplane
self.inplane = self.inplane * 2
self.block2_1 = block_class(pdcs[4], inplane, self.inplane, stride=2)
self.block2_2 = block_class(pdcs[5], self.inplane, self.inplane)
self.block2_3 = block_class(pdcs[6], self.inplane, self.inplane)
self.block2_4 = block_class(pdcs[7], self.inplane, self.inplane)
self.fuseplanes.append(self.inplane) # 2C
inplane = self.inplane
self.inplane = self.inplane * 2
self.block3_1 = block_class(pdcs[8], inplane, self.inplane, stride=2)
self.block3_2 = block_class(pdcs[9], self.inplane, self.inplane)
self.block3_3 = block_class(pdcs[10], self.inplane, self.inplane)
self.block3_4 = block_class(pdcs[11], self.inplane, self.inplane)
self.fuseplanes.append(self.inplane) # 4C
self.block4_1 = block_class(pdcs[12],
self.inplane,
self.inplane,
stride=2)
self.block4_2 = block_class(pdcs[13], self.inplane, self.inplane)
self.block4_3 = block_class(pdcs[14], self.inplane, self.inplane)
self.block4_4 = block_class(pdcs[15], self.inplane, self.inplane)
self.fuseplanes.append(self.inplane) # 4C
self.conv_reduces = nn.ModuleList()
if self.sa and self.dil is not None:
self.attentions = nn.ModuleList()
self.dilations = nn.ModuleList()
for i in range(4):
self.dilations.append(CDCM(self.fuseplanes[i], self.dil))
self.attentions.append(CSAM(self.dil))
self.conv_reduces.append(MapReduce(self.dil))
elif self.sa:
self.attentions = nn.ModuleList()
for i in range(4):
self.attentions.append(CSAM(self.fuseplanes[i]))
self.conv_reduces.append(MapReduce(self.fuseplanes[i]))
elif self.dil is not None:
self.dilations = nn.ModuleList()
for i in range(4):
self.dilations.append(CDCM(self.fuseplanes[i], self.dil))
self.conv_reduces.append(MapReduce(self.dil))
else:
for i in range(4):
self.conv_reduces.append(MapReduce(self.fuseplanes[i]))
self.classifier = nn.Conv2d(4, 1, kernel_size=1) # has bias
nn.init.constant_(self.classifier.weight, 0.25)
nn.init.constant_(self.classifier.bias, 0)
def get_weights(self):
conv_weights = []
bn_weights = []
relu_weights = []
for pname, p in self.named_parameters():
if 'bn' in pname:
bn_weights.append(p)
elif 'relu' in pname:
relu_weights.append(p)
else:
conv_weights.append(p)
return conv_weights, bn_weights, relu_weights
def forward(self, x):
"""x: [B, 3, H, W] within range [0, 1].
"""
x = (x - x.new_tensor(self.mean).view(1, -1, 1, 1)) / \
x.new_tensor(self.std).view(1, -1, 1, 1)
h, w = x.size()[2:]
x = self.init_block(x)
x1 = self.block1_1(x)
x1 = self.block1_2(x1)
x1 = self.block1_3(x1)
x2 = self.block2_1(x1)
x2 = self.block2_2(x2)
x2 = self.block2_3(x2)
x2 = self.block2_4(x2)
x3 = self.block3_1(x2)
x3 = self.block3_2(x3)
x3 = self.block3_3(x3)
x3 = self.block3_4(x3)
x4 = self.block4_1(x3)
x4 = self.block4_2(x4)
x4 = self.block4_3(x4)
x4 = self.block4_4(x4)
x_fuses = []
if self.sa and self.dil is not None:
for i, xi in enumerate([x1, x2, x3, x4]):
x_fuses.append(self.attentions[i](self.dilations[i](xi)))
elif self.sa:
for i, xi in enumerate([x1, x2, x3, x4]):
x_fuses.append(self.attentions[i](xi))
elif self.dil is not None:
for i, xi in enumerate([x1, x2, x3, x4]):
x_fuses.append(self.dilations[i](xi))
else:
x_fuses = [x1, x2, x3, x4]
e1 = self.conv_reduces[0](x_fuses[0])
e1 = F.interpolate(e1, (h, w), mode='bilinear', align_corners=False)
e2 = self.conv_reduces[1](x_fuses[1])
e2 = F.interpolate(e2, (h, w), mode='bilinear', align_corners=False)
e3 = self.conv_reduces[2](x_fuses[2])
e3 = F.interpolate(e3, (h, w), mode='bilinear', align_corners=False)
e4 = self.conv_reduces[3](x_fuses[3])
e4 = F.interpolate(e4, (h, w), mode='bilinear', align_corners=False)
outputs = [e1, e2, e3, e4]
output = self.classifier(torch.cat(outputs, dim=1))
outputs.append(output)
outputs = [torch.sigmoid(r) for r in outputs]
return outputs[-1]
@ANNOTATORS.register_class()
class PiDiAnnotator(BaseAnnotator, metaclass=ABCMeta):
para_dict = {}
def __init__(self, cfg, logger=None):
super().__init__(cfg, logger=logger)
pretrained_model = cfg.get('PRETRAINED_MODEL', None)
vanilla_cnn = cfg.get('VANILLA_CNN', True)
pdcs = config_model_converted(
'carv4') if vanilla_cnn else config_model('carv4')
self.model = PiDiNet(60, pdcs, dil=24, sa=True,
convert=vanilla_cnn).eval()
if pretrained_model:
with FS.get_from(pretrained_model, wait_finish=True) as local_path:
state = torch.load(local_path,
map_location='cpu', weights_only=True)['state_dict']
if vanilla_cnn:
state = convert_pidinet(state, 'carv4')
state = {
k[len('module.'):] if k.startswith('module.') else k: v
for k, v in state.items()
}
self.model.load_state_dict(state)
@torch.no_grad()
@torch.inference_mode()
@torch.autocast('cuda', enabled=False)
def forward(self, image, return_grayscale=False):
is_batch = False if len(image.shape) == 3 else True
if isinstance(image, torch.Tensor):
if len(image.shape) == 3:
image = rearrange(image, 'h w c -> 1 c h w')
elif len(image.shape) == 4:
image = rearrange(image, 'b h w c -> b c h w')
else:
raise "Unsurpport input image's shape"
elif isinstance(image, np.ndarray):
image = torch.from_numpy(image.copy()).float()
if len(image.shape) == 3:
image = rearrange(image, 'h w c -> 1 c h w')
elif len(image.shape) == 4:
image = rearrange(image, 'b h w c -> b c h w')
else:
raise "Unsurpport input image's shape"
else:
raise "Unsurpport input image's type"
image = image.float().div(255)
image = image.to(we.device_id)
edge = self.model(image)
edge = edge.squeeze(dim=1)
edge = 255 - (edge * 255.0).clip(0, 255) # return white background
edge = edge.cpu().numpy()
edge = edge.astype(np.uint8)
if not is_batch:
edge = edge.squeeze()
if not return_grayscale:
edge = edge[..., None].repeat(3, -1)
return edge
@staticmethod
def get_config_template():
return dict_to_yaml('ANNOTATORS',
__class__.__name__,
PiDiAnnotator.para_dict,
set_name=True)