File size: 6,533 Bytes
96a9519
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
from collections import namedtuple
import torch
from torchvision import models as tv
from IPython import embed

class squeezenet(torch.nn.Module):
    def __init__(self, requires_grad=False, pretrained=True):
        super(squeezenet, self).__init__()
        pretrained_features = tv.squeezenet1_1(pretrained=pretrained).features
        self.slice1 = torch.nn.Sequential()
        self.slice2 = torch.nn.Sequential()
        self.slice3 = torch.nn.Sequential()
        self.slice4 = torch.nn.Sequential()
        self.slice5 = torch.nn.Sequential()
        self.slice6 = torch.nn.Sequential()
        self.slice7 = torch.nn.Sequential()
        self.N_slices = 7
        for x in range(2):
            self.slice1.add_module(str(x), pretrained_features[x])
        for x in range(2,5):
            self.slice2.add_module(str(x), pretrained_features[x])
        for x in range(5, 8):
            self.slice3.add_module(str(x), pretrained_features[x])
        for x in range(8, 10):
            self.slice4.add_module(str(x), pretrained_features[x])
        for x in range(10, 11):
            self.slice5.add_module(str(x), pretrained_features[x])
        for x in range(11, 12):
            self.slice6.add_module(str(x), pretrained_features[x])
        for x in range(12, 13):
            self.slice7.add_module(str(x), pretrained_features[x])
        if not requires_grad:
            for param in self.parameters():
                param.requires_grad = False

    def forward(self, X):
        h = self.slice1(X)
        h_relu1 = h
        h = self.slice2(h)
        h_relu2 = h
        h = self.slice3(h)
        h_relu3 = h
        h = self.slice4(h)
        h_relu4 = h
        h = self.slice5(h)
        h_relu5 = h
        h = self.slice6(h)
        h_relu6 = h
        h = self.slice7(h)
        h_relu7 = h
        vgg_outputs = namedtuple("SqueezeOutputs", ['relu1','relu2','relu3','relu4','relu5','relu6','relu7'])
        out = vgg_outputs(h_relu1,h_relu2,h_relu3,h_relu4,h_relu5,h_relu6,h_relu7)

        return out


class alexnet(torch.nn.Module):
    def __init__(self, requires_grad=False, pretrained=True):
        super(alexnet, self).__init__()
        alexnet_pretrained_features = tv.alexnet(pretrained=pretrained).features
        self.slice1 = torch.nn.Sequential()
        self.slice2 = torch.nn.Sequential()
        self.slice3 = torch.nn.Sequential()
        self.slice4 = torch.nn.Sequential()
        self.slice5 = torch.nn.Sequential()
        self.N_slices = 5
        for x in range(2):
            self.slice1.add_module(str(x), alexnet_pretrained_features[x])
        for x in range(2, 5):
            self.slice2.add_module(str(x), alexnet_pretrained_features[x])
        for x in range(5, 8):
            self.slice3.add_module(str(x), alexnet_pretrained_features[x])
        for x in range(8, 10):
            self.slice4.add_module(str(x), alexnet_pretrained_features[x])
        for x in range(10, 12):
            self.slice5.add_module(str(x), alexnet_pretrained_features[x])
        if not requires_grad:
            for param in self.parameters():
                param.requires_grad = False

    def forward(self, X):
        h = self.slice1(X)
        h_relu1 = h
        h = self.slice2(h)
        h_relu2 = h
        h = self.slice3(h)
        h_relu3 = h
        h = self.slice4(h)
        h_relu4 = h
        h = self.slice5(h)
        h_relu5 = h
        alexnet_outputs = namedtuple("AlexnetOutputs", ['relu1', 'relu2', 'relu3', 'relu4', 'relu5'])
        out = alexnet_outputs(h_relu1, h_relu2, h_relu3, h_relu4, h_relu5)

        return out

class vgg16(torch.nn.Module):
    def __init__(self, requires_grad=False, pretrained=True):
        super(vgg16, self).__init__()
        vgg_pretrained_features = tv.vgg16(pretrained=pretrained).features
        self.slice1 = torch.nn.Sequential()
        self.slice2 = torch.nn.Sequential()
        self.slice3 = torch.nn.Sequential()
        self.slice4 = torch.nn.Sequential()
        self.slice5 = torch.nn.Sequential()
        self.N_slices = 5
        for x in range(4):
            self.slice1.add_module(str(x), vgg_pretrained_features[x])
        for x in range(4, 9):
            self.slice2.add_module(str(x), vgg_pretrained_features[x])
        for x in range(9, 16):
            self.slice3.add_module(str(x), vgg_pretrained_features[x])
        for x in range(16, 23):
            self.slice4.add_module(str(x), vgg_pretrained_features[x])
        for x in range(23, 30):
            self.slice5.add_module(str(x), vgg_pretrained_features[x])
        if not requires_grad:
            for param in self.parameters():
                param.requires_grad = False

    def forward(self, X):
        h = self.slice1(X)
        h_relu1_2 = h
        h = self.slice2(h)
        h_relu2_2 = h
        h = self.slice3(h)
        h_relu3_3 = h
        h = self.slice4(h)
        h_relu4_3 = h
        h = self.slice5(h)
        h_relu5_3 = h
        vgg_outputs = namedtuple("VggOutputs", ['relu1_2', 'relu2_2', 'relu3_3', 'relu4_3', 'relu5_3'])
        out = vgg_outputs(h_relu1_2, h_relu2_2, h_relu3_3, h_relu4_3, h_relu5_3)

        return out



class resnet(torch.nn.Module):
    def __init__(self, requires_grad=False, pretrained=True, num=18):
        super(resnet, self).__init__()
        if(num==18):
            self.net = tv.resnet18(pretrained=pretrained)
        elif(num==34):
            self.net = tv.resnet34(pretrained=pretrained)
        elif(num==50):
            self.net = tv.resnet50(pretrained=pretrained)
        elif(num==101):
            self.net = tv.resnet101(pretrained=pretrained)
        elif(num==152):
            self.net = tv.resnet152(pretrained=pretrained)
        self.N_slices = 5

        self.conv1 = self.net.conv1
        self.bn1 = self.net.bn1
        self.relu = self.net.relu
        self.maxpool = self.net.maxpool
        self.layer1 = self.net.layer1
        self.layer2 = self.net.layer2
        self.layer3 = self.net.layer3
        self.layer4 = self.net.layer4

    def forward(self, X):
        h = self.conv1(X)
        h = self.bn1(h)
        h = self.relu(h)
        h_relu1 = h
        h = self.maxpool(h)
        h = self.layer1(h)
        h_conv2 = h
        h = self.layer2(h)
        h_conv3 = h
        h = self.layer3(h)
        h_conv4 = h
        h = self.layer4(h)
        h_conv5 = h

        outputs = namedtuple("Outputs", ['relu1','conv2','conv3','conv4','conv5'])
        out = outputs(h_relu1, h_conv2, h_conv3, h_conv4, h_conv5)

        return out