-
Notifications
You must be signed in to change notification settings - Fork 0
/
I1_MT_fold_2.py
453 lines (331 loc) · 16.6 KB
/
I1_MT_fold_2.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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
#==============================================
# Date: 20.09.2019
# Description: model for data which is like grayscale matrix (1X90X64x64)
#==============================================
import argparse
from datetime import datetime
import os
from tqdm import tqdm
#Pytorch
import torch
import torch.optim as optim
from torch.optim import lr_scheduler
import torch.nn as nn
from torchvision import models, transforms
from torchvision.utils import save_image
from torch.utils.tensorboard import SummaryWriter
from torch.autograd import Variable
from torchsummary import summary
# My own imports
from Dataloaders.spermDataLoadNormalized import SpermVideoDatasetNormalized as spvdn
# from Dataloaders.spermFeatureDataLoaderNormalized_unsqueezed_stackedFrames import SpermFeatureDatasetNormalizedUnsqueezed as spvdn
#======================================
# Get and set all input parameters
#======================================
parser = argparse.ArgumentParser()
# Hardware
parser.add_argument("--device", default="gpu", help="Device to run the code")
parser.add_argument("--device_id", type=int, default=0, help="")
# Optional parameters to identify the experiments
parser.add_argument("--name", default="", type=str, help="A name to identify this test later")
parser.add_argument("--id", default=datetime.timestamp(datetime.now()), help="Generate ID from the timestamp")
parser.add_argument("--py_file",default=os.path.abspath(__file__)) # store current python file
# Directory and file handling
parser.add_argument("--gt_csv_file",
default="/home/vajira/DL/Medicotask_2019/csv_files/semen_analysis_data.csv",
help="Semen analysis data (ground truth)")
parser.add_argument("--id_csv_file",
default="/home/vajira/DL/Medicotask_2019/csv_files/videos_id.csv",
help="Video IDs")
parser.add_argument("--data_root",
default="/work/vajira/data/original_2nd_frame_of_denseOpticalFlow/generated_250_outputs_original_2nd_frame",
help="Video data root with three subfolders (fold 1,2 and 3)")
parser.add_argument("--out_dir",
default="/work/vajira/mediaeval_2019_output",
help="Main output dierectory")
parser.add_argument("--tensorboard_dir",
default="/work/vajira/mediaeval_2019_output/tensorboard_out",
help="Folder to save output of tensorboard")
# columns to retrun from dataloader
parser.add_argument("--cols", default=["Progressive motility (%)", "Non progressive sperm motility (%)", "Immotile sperm (%)"])
# Hyper parameters
parser.add_argument("--bs", type=int, default=32, help="Mini batch size")
parser.add_argument("--lr", type=float, default=0.001, help="Learning rate for training")
parser.add_argument("--num_workers", type=int, default=32, help="Number of workers in dataloader")
parser.add_argument("--weight_decay", type=float, default=1e-5, help="weight decay of the optimizer")
parser.add_argument("--lr_sch_factor", type=float, default=0.1, help="Factor to reduce lr in the scheduler")
parser.add_argument("--lr_sch_patience", type=int, default=25, help="Num of epochs to be patience for updating lr")
parser.add_argument("--data_reset", type=int, default=10000, help="number of epochs to reset dataloader")
#AE
#parser.add_argument("--hidden_size", type=int, default=128, help="Number of hidden layers in LSTM")
#parser.add_argument("--num_layers_lstm", type=int, default=2, help="Number of layers in the LSTM")
parser.add_argument("--ae_checkpoint", default="/work/vajira/mediaeval_2019_output/4300_1_mt_fold_1_stackedImages_1x256x256_AE_v2_Adam.py/checkpoints/4300_1_mt_fold_1_stackedImages_1x256x256_AE_v2_Adam.py_epoch:1900.pt", help="Pre-trained AE path")
# Action handling
parser.add_argument("--num_epochs", type=int, default=0, help="Numbe of epochs to train")
parser.add_argument("--start_epoch", type=int, default=0, help="Start epoch in retraining")
parser.add_argument("action", type=str, help="Select an action to run", choices=["train", "retrain", "inference", "check"])
parser.add_argument("--checkpoint_interval", type=int, default=25, help="Interval to save checkpoint models")
parser.add_argument("--fold", type=str, default="fold_2", help="Select the validation fold", choices=["fold_1", "fold_2", "fold_3"])
opt = parser.parse_args()
#==========================================
# Device handling
#==========================================
torch.cuda.set_device(opt.device_id)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
#===========================================
# Folder handling
#===========================================
#make output folder if not exist
os.makedirs(opt.out_dir, exist_ok=True)
# make subfolder in the output folder
py_file_name = opt.py_file.split("/")[-1] # Get python file name (soruce code name)
checkpoint_dir = os.path.join(opt.out_dir, py_file_name + "/checkpoints")
os.makedirs(checkpoint_dir, exist_ok=True)
# make tensorboard subdirectory for the experiment
tensorboard_exp_dir = os.path.join(opt.tensorboard_dir, py_file_name)
os.makedirs( tensorboard_exp_dir, exist_ok=True)
#==========================================
# Tensorboard
#==========================================
# Initialize summary writer
writer = SummaryWriter(tensorboard_exp_dir)
#==========================================
# Prepare Data
#==========================================
def prepare_data():
data_transforms = transforms.Compose([
transforms.Resize((256, 256)),
transforms.Grayscale(num_output_channels=1),
transforms.ToTensor()
])
# Whole dataset
dataset_all = {x: spvdn(opt.gt_csv_file,
opt.id_csv_file,
os.path.join(opt.data_root, x),
opt.cols,
data_transforms
) for x in ['fold_1', 'fold_2', 'fold_3']}
# Use selected fold for validation
train_folds = list(set(["fold_1", "fold_2", "fold_3"]) - set([opt.fold]))
validation_fold = opt.fold
# Train sub dataset from the whole dataset
# 2 folds to train
dataset_train = torch.utils.data.ConcatDataset([dataset_all["fold_2"], dataset_all["fold_3"]])
# 1 fold to validation
dataset_val = dataset_all["fold_1"]
train_size = len(dataset_train)
val_size = len(dataset_val)
print("train dataset size =", train_size)
print("validation dataset size=", val_size)
dataloader_train = torch.utils.data.DataLoader(dataset_train, batch_size=opt.bs,
shuffle=True, num_workers= opt.num_workers)
dataloader_val = torch.utils.data.DataLoader(dataset_val, batch_size=opt.bs,
shuffle=True, num_workers= opt.num_workers)
std = dataset_all['fold_1'].std[opt.cols].values.tolist()
mean = dataset_all['fold_1'].mean[opt.cols].values.tolist()
return {"train":dataloader_train, "val":dataloader_val, "dataset_size":{"train": train_size, "val":val_size}, "std": std, "mean": mean}
#================================================
# Train the model
#================================================
def train_model(model, model_ae,optimizer, criterion, criterion_validation, dataloaders: dict, scheduler):
# std and mean, converted into tensors and transfered into device
std = torch.FloatTensor(dataloaders["std"]).to(device, torch.float)
mean = torch.FloatTensor(dataloaders["mean"]).to(device, torch.float)
for epoch in tqdm(range(opt.start_epoch + 1, opt.start_epoch + opt.num_epochs + 1)):
# reset dataloader after some epochs
if epoch % opt.data_reset == 0:
dataloaders = prepare_data()
print("Dataloader reset...!!!")
for phase in ["train", "val"]:
if phase == "train":
model.train()
dataloader = dataloaders["train"]
else:
model.eval()
dataloader = dataloaders["val"]
running_loss = 0.0
running_loss_real = 0.0
for i, sample in tqdm(enumerate(dataloader, 0)):
# handle input data
input_img = sample["image"]
input_img = input_img.to(device, torch.float)
# Ground truth data
# gt_normalized = sample["data_normalized"]
gt_real = sample["data_non_normalized"]
#gt_normalized = gt_normalized.to(device, torch.float)
gt_real = gt_real.to(device, torch.float)
#gt_normalized = sample["gt_normalized"]
#gt_normalized = gt_normalized.to(device, torch.float)
#gt_normalized = gt_normalized.to(device, torch.float)
# get feature image
feature_img, output_img= model_ae(input_img)
optimizer.zero_grad()
with torch.set_grad_enabled(phase == "train"):
outputs = model(feature_img)
#outputs_real = outputs # * std + mean
# Loss
loss = criterion(outputs, gt_real)
loss_real = criterion_validation(outputs , gt_real)
if phase == "train":
loss.backward()
optimizer.step()
# calculate running loss
running_loss += loss.detach().item() * input_img.size(0)
running_loss_real+= loss_real.detach().item() * input_img.size(0)
epoch_loss = running_loss / dataloaders["dataset_size"][phase]
epoch_loss_real = running_loss_real / dataloaders["dataset_size"][phase]
# update tensorboard writer
writer.add_scalars("Loss", {phase:epoch_loss}, epoch)
writer.add_scalars("Loss_real" , {phase:epoch_loss_real}, epoch)
# update the lr based on the epoch loss
if phase == "val":
# Get current lr
lr = optimizer.param_groups[0]['lr']
print("lr=", lr)
writer.add_scalar("LR", lr, epoch)
# scheduler.step(epoch_loss)
# save sample feature grid and image grid
#save_image(feature_img, str(epoch) + ".png", nrow=8, padding=2, normalize=False, range=None, scale_each=False, pad_value=0)
writer.add_images("input_one_channel", input_img[:, 0:1, :, :], epoch)
writer.add_images("feature_img",feature_img, epoch)
writer.add_images("output_one_channel", output_img[:, 0:1, :, :], epoch)
# Print output
print('Epoch:\t %d |Phase: \t %s | Loss:\t\t %.4f | Loss-Real:\t %.4f '
% (epoch, phase, epoch_loss, epoch_loss_real))
# Save model
if epoch % opt.checkpoint_interval == 0:
save_model(model, optimizer, epoch, loss) # loss = validation loss (because of phase=val at last)
#===============================================
# Prepare models
#===============================================
def prepare_ae():
checkpoint_path = opt.ae_checkpoint
model_ae = TubeEncoderDecoder()#CNNLSTM()
checkpoint = torch.load(checkpoint_path)
model_ae.load_state_dict(checkpoint["model_state_dict"])
print("Pretrained AE successfully loaded")
model_ae.eval()
model_ae = model_ae.to(device)
return model_ae
def prepare_model():
model = models.resnet34(pretrained=True)
num_ftrs = model.fc.in_features
model.fc = nn.Linear(num_ftrs, 3)
model = model.to(device)
return model
class TubeEncoderDecoder(nn.Module):
def __init__(self):
super(TubeEncoderDecoder, self).__init__()
self.encoder = nn.Sequential(
nn.Conv2d(1, 16, 3, padding=1),
nn.ReLU(),
nn.MaxPool2d(2,2),
nn.Conv2d(16, 32, 3, padding=1),
nn.ReLU(),
nn.MaxPool2d(2,2),
nn.ConvTranspose2d(32, 16, 2, stride=2),
nn.ReLU(),
nn.ConvTranspose2d(16, 3, 2, stride=2 ),
nn.ReLU())
self.decoder = nn.Sequential(
nn.Conv2d(3, 16, 3, padding=1),
nn.ReLU(),
nn.MaxPool2d(2,2),
nn.Conv2d(16, 32, 3, padding=1),
nn.ReLU(),
nn.MaxPool2d(2,2),
nn.ConvTranspose2d(32, 16, 2, stride=2),
nn.ReLU(),
nn.ConvTranspose2d(16, 1, 2, stride=2 ),
nn.ReLU())
def forward(self, x):
feature_img = self.encoder(x)
output = self.decoder(feature_img)
return feature_img, output
#====================================
# Run training process
#====================================
def run_train():
model = prepare_model()
model_ae = prepare_ae()
dataloaders = prepare_data()
optimizer = optim.Adam(model.parameters(), lr=opt.lr , weight_decay=opt.weight_decay)
# optimizer = optim.SGD(model.parameters(), lr=opt.lr )
criterion = nn.MSELoss() # backprop loss calculation
criterion_validation = nn.L1Loss() # Absolute error for real loss calculations
# LR shceduler
scheduler = lr_scheduler.ReduceLROnPlateau(optimizer, mode="min", factor=opt.lr_sch_factor, patience=opt.lr_sch_patience, verbose=True)
# call main train loop
train_model(model,model_ae, optimizer,criterion, criterion_validation, dataloaders, scheduler)
#====================================
# Re-train process
#====================================
def run_retrain():
model = prepare_model()
model_ae = prepare_ae()
dataloaders = prepare_data()
optimizer = optim.Adam(model.parameters(), lr=opt.lr , weight_decay=opt.weight_decay)
criterion = nn.MSELoss() # backprop loss calculation
criterion_validation = nn.L1Loss() # Absolute error for real loss calculations
#Loading data from start epoch number
check_point_name = py_file_name + "_epoch:{}.pt".format(opt.start_epoch) # get code file name and make a name
check_point_path = os.path.join(checkpoint_dir, check_point_name)
checkpoint = torch.load(check_point_path)
model.load_state_dict(checkpoint["model_state_dict"])
optimizer.load_state_dict(checkpoint["optimizer_state_dict"])
# LR shceduler
scheduler = lr_scheduler.ReduceLROnPlateau(optimizer, mode="min", factor=opt.lr_sch_factor, patience=opt.lr_sch_patience, verbose=True)
print("Models loaded successfully from checkpoint:\t {}".format(check_point_name))
optimizer = optim.Adam(model.parameters(), lr=opt.lr , weight_decay=opt.weight_decay)
# call main train loop
train_model(model,model_ae, optimizer,criterion, criterion_validation, dataloaders, scheduler)
#=====================================
# Save models
#=====================================
def save_model(model, optimizer, epoch, validation_loss):
check_point_name = py_file_name + "_epoch:{}.pt".format(epoch) # get code file name and make a name
check_point_path = os.path.join(checkpoint_dir, check_point_name)
# save torch model
torch.save({
"epoch": epoch,
"model_state_dict": model.state_dict(),
"optimizer_state_dict": optimizer.state_dict(),
# "train_loss": train_loss,
"val_loss": validation_loss
}, check_point_path)
#=====================================
# Check model
#====================================
def check_model_graph():
model = prepare_model()
summary(model, (1, 256, 256)) # this run on GPU
model = model.to('cpu')
#dataloaders = prepare_data()
#sample = next(iter(dataloaders["train"]))
#inputs = sample["features"]
# inputs = inputs.to(device, torch.float)
#print(inputs.shape)
print(model)
dummy_input = Variable(torch.rand(13, 1, 256, 256))
writer.add_graph(model, dummy_input) # this need the model on CPU
if __name__ == "__main__":
data_loaders = prepare_data()
print(vars(opt))
print("Test OK")
# Train or retrain or inference
if opt.action == "train":
print("Training process is strted..!")
run_train()
pass
elif opt.action == "retrain":
print("Retrainning process is strted..!")
run_retrain()
pass
elif opt.action == "inference":
print("Inference process is strted..!")
pass
elif opt.action == "check":
check_model_graph()
print("Check pass")
# Finish tensorboard writer
writer.close()