-
Notifications
You must be signed in to change notification settings - Fork 0
/
Model_CNN_diff_embedings.py
223 lines (173 loc) · 7.62 KB
/
Model_CNN_diff_embedings.py
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
import matplotlib.pyplot as plt
import numpy as np
from glob import glob
import os
import torch
import torch.nn as nn
import torch.nn.functional as F
from torch.autograd import Variable
import torchvision
import torchvision.transforms as transforms
from sklearn.metrics import accuracy_score
from sklearn.metrics import confusion_matrix
# np.random.seed(100)
import Embedding_Static
def read_data():
train_data = glob("/Users/vanellope/2020-2021 Final Year Project/FYP_Static_CORPUS_6CLASS_HK/*")
return train_data
def read_label():
labels = np.load('/Users/vanellope/Desktop/FYP/textbook_corpus/gt.npy')
# labels = np.load('/Users/vanellope/Desktop/FYP/textbook_corpus/gt_CN_12class.npy')
return labels
def adj_acc(cm):
right = sum(np.diag(cm))+sum(np.diag(cm,1))+sum(np.diag(cm,-1))
total = sum(sum(cm))
return right/total
# define torch.utils.data.Dataset
class TrainDataset(torch.utils.data.Dataset):
def __init__(self, root, train=True):
self.train = train
self.filenames = read_data()
self.labels = read_label()
def __getitem__(self, index):
article = torch.load('/Users/vanellope/2020-2021 Final Year Project/FYP_Static_CORPUS_6CLASS_HK/article{}'.format(index))
article = torch.cat(article[0], 1) # cat at dimension 1
label = self.labels[index]
return article,label
def __len__(self):
return len(self.filenames)
class Net(nn.Module):
def __init__(self,embed_dim):
super(Net, self).__init__()
self.embed_dim = embed_dim
self.conv1 = nn.Conv2d(in_channels = 1, out_channels = 150, kernel_size = (2, self.embed_dim), stride = (1 , 1))
self.conv2 = nn.Conv2d(in_channels = 1, out_channels = 150, kernel_size = (5, self.embed_dim), stride = (3 , 1))
# self.conv3 = nn.Conv2d(in_channels = 1, out_channels = 150, kernel_size = (8, self.embed_dim), stride = (6 , 1))
# self.conv_art1 = nn.Conv2d(in_channels = 1, out_channels = 300, kernel_size = (2, 300), stride = (1 , 1))
self.fc_class_1 = nn.Linear(150*2, 120)
self.fc_class_2 = nn.Linear(120, 6)
# self.dp1 = nn.Dropout(p=0.2)
self.dp2 = nn.Dropout(p=0.2)
def forward(self, x):
temp_x_sent1 = self.conv1(x) # convolution
temp_x_sent1,_ = torch.max(temp_x_sent1,dim = 2,keepdim=True) # pooling
temp_x_sent2 = self.conv2(x)
temp_x_sent2,_ = torch.max(temp_x_sent2,dim = 2,keepdim=True)
# temp_x_sent3 = self.conv3(x)
# temp_x_sent3,_ = torch.max(temp_x_sent3,dim = 2,keepdim=True)
x_combine = torch.cat([temp_x_sent1,temp_x_sent2], 1) # stack
x = torch.transpose(x_combine,1,3)
x = x[0]
# x = self.dp1(x)
x = self.fc_class_1(x)
x = self.dp2(x)
x = self.fc_class_2(x)
x = x[0] # squeeze 3d to 2d
# print(x)
return x
def creat_train_val_loader(split_ratio):
# make the instance for dataset object
dataset = TrainDataset('hello world',train=True)
ratio = split_ratio
train_set, val_set = torch.utils.data.random_split(dataset,
[int(ratio*len(dataset)), len(dataset)-int(ratio*len(dataset))])
train_loader = torch.utils.data.DataLoader(dataset=train_set, batch_size=1, shuffle=True)
val_loader = torch.utils.data.DataLoader(dataset=val_set, batch_size=1, shuffle=False)
print('the dataset is divided as :',len(train_set),len(val_set))
return train_loader,val_loader
def save_fig(logbook_epoch, os): # output image
A = logbook_epoch
A = np.array(A)
x = np.arange(A.shape[0])
fig, ax = plt.subplots(figsize=(12,8))
plt.ylim(ymin = -0.0,ymax = 1)
plt.xlabel("epoch")
plt.ylabel("accuracy")
# plt.title("batch:{};lr:{}".format(batch_size,lr))
ax.plot(x, A[:,0], 'b--', label='Train exact accuracy')
ax.plot(x, A[:,1], 'r--', label='Train adjacent accuracy')
ax.plot(x, A[:,2], 'b:', label='Val exact accuracy')
ax.plot(x, A[:,3], 'r:', label='Val adjacent accuracy')
ax.plot(x, A[:,0], 'b.',
x, A[:,1], 'r.',
x, A[:,2], 'b.',
x, A[:,3], 'r.')
legend = ax.legend(loc='lower center', shadow=True)
legend.get_frame().set_facecolor('C2')
plt.show()
fig.savefig(os)
return
def train_test_model(net,train_loader,val_loader,epoch_number,learning_rate):
logbook_epoch = []
print('epoch_number:',epoch_number,';learning_rate:',learning_rate)
optimizer = torch.optim.Adam(net.parameters(), lr=learning_rate)# Define a Loss function and optimizer
# optimizer = torch.optim.SGD(net.parameters(), lr=0.001, momentum=0.9)
loss_func = torch.nn.CrossEntropyLoss()
for epoch in range(epoch_number):
if epoch>0:print("last time record:",logbook_epoch[-1])
print('progress: %.1f %%' % (100*epoch/epoch_number),'\n') # progress display
acm_loss = 0
total = len(train_loader)
for i, batch in enumerate(train_loader):
artics = batch[0]
labels = batch[1]
pred = net(artics)
loss = loss_func(pred, labels)
acm_loss+=loss
optimizer.zero_grad()
loss.backward(retain_graph=True)
optimizer.step()
if i % 100 == 99:
print("[epoch {}/{},batch {}/{}]:Loss:{}".format(epoch,epoch_number,i+1,total,acm_loss))
acm_loss = 0
pred = []
gt = []
print('train error get.')
for batch in train_loader:
artics = batch[0]
labels = batch[1]
temp = net(artics)[0]
gt.append(labels)
pred.append(torch.argmax(temp))
cm = confusion_matrix(gt, pred)
train_acc = accuracy_score(gt, pred)
train_adj = adj_acc(cm)
pred = []
gt = []
print('validation error get.')
for batch in val_loader:
artics = batch[0]
labels = batch[1]
temp = net(artics)[0]
gt.append(labels)
pred.append(torch.argmax(temp))
cm = confusion_matrix(gt, pred)
val_acc = accuracy_score(gt, pred)
val_adj = adj_acc(cm)
logbook_epoch.append([train_acc,train_adj,val_acc,val_adj])
A = logbook_epoch
A = np.array(A)
return A
############## MAIN ################
loop_list = [20]#[5,10,20,30,40,50,60,70,80,90,100] #[10, 25, 50, 100, 200, 400, 800] # , 300, 400, 500, 600, 700, 800, 900, 1000]
epoch_number = 70
learning_rate = 0.0001
for loop_number in loop_list:
# refresh embedding file
embedding_dimension = loop_number
corpus_os = '/Users/vanellope/Desktop/FYP/textbook_corpus/textbook_HK_6class.txt'
texts = Embedding_Static.get_texts(corpus_os)
Embedding_Static.train_save_static_model(embedding_dimension = embedding_dimension,
window_size = 5, texts=texts)
Embedding_Static.save_embed_texts(OS_embedding_dimension=embedding_dimension,
corpus_os=corpus_os)
print('Embedding of DIM {} refreshing DONE!!!'.format(embedding_dimension))
# refresh end
net = Net(embed_dim=embedding_dimension)
print('Net for dim {} initialized'.format(embedding_dimension))
# loader class instance created
train_loader,val_loader = creat_train_val_loader(0.7) # spliting ratio, 70% as train, 30% as validate
# start training and get logbook A
A = train_test_model(net,train_loader,val_loader,epoch_number,learning_rate)
np.save('/Users/vanellope/Desktop/numpy_file_diff_embedding/{}'.format(embedding_dimension), A)
print("Finished!!!Congrats!!!!")