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train_v3_5.py
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train_v3_5.py
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import shutil
import torch
import time
import torch.nn as nn
from models.deeplab_gan_with_refine import deeplabGanWithRefine
from torch.autograd import Variable
from torch.utils import data
from loader.image_label_loader import imageLabelLoader
from loader.image_loader import imageLoader
from util.confusion_matrix import ConfusionMatrix
import util.makedirs as makedirs
import os
import torchvision.models as models
from util.log import Logger
def save_checkpoint(state, filename):
torch.save(state, filename)
def update_confusion_matrix(matrix, output, target):
values, indices = output.max(1)
output = indices
target = target.cpu().numpy()
output = output.cpu().numpy()
matrix.update(target, output)
return matrix
def train(A_train_loader, B_train_loader, model, epoch):
# switch to train mode
model.train()
for i, (A_image, A_label) in enumerate(A_train_loader):
B_image = next(iter(B_train_loader))
model.set_input({'A':A_image, 'A_label':A_label, 'B':B_image})
model.optimize_parameters()
output = model.output
if i % args['print_freq'] == 0:
matrix = ConfusionMatrix()
update_confusion_matrix(matrix, output.data, A_label)
logger.info('Epoch/Iter: [{epoch}/{Iter}]\t'
'loss: {loss:.4f}\t'
'acc: {accuracy:.4f}\t'
'fg_acc: {fg_accuracy:.4f}\t'
'avg_prec: {avg_precision:.4f}\t'
'avg_rec: {avg_recall:.4f}\t'
'avg_f1: {avg_f1core:.4f}\t'
'loss_G: {loss_G:.4f}\t'
'loss_D: {loss_D:.4f}\t'.format(
epoch=epoch, Iter=i+epoch*len(A_train_loader), loss=model.loss_P.data[0], accuracy=matrix.accuracy(),
fg_accuracy=matrix.fg_accuracy(), avg_precision=matrix.avg_precision(),
avg_recall=matrix.avg_recall(), avg_f1core=matrix.avg_f1score(),
loss_G=model.loss_G.data[0], loss_D=model.loss_D.data[0]))
def validate(val_loader, model, criterion, adaptation):
# switch to evaluate mode
run_time = time.time()
matrix = ConfusionMatrix(args['label_nums'])
loss = 0
for i, (images, labels) in enumerate(val_loader):
labels = labels.cuda(async=True)
target_var = torch.autograd.Variable(labels, volatile=True)
model.test(adaptation, images)
output = model.output
loss += criterion(output, target_var)/args['batch_size']
matrix = update_confusion_matrix(matrix, output.data, labels)
loss /= (i+1)
run_time = time.time() - run_time
logger.info('=================================================')
logger.info('val:'
'loss: {0:.4f}\t'
'accuracy: {1:.4f}\t'
'fg_accuracy: {2:.4f}\t'
'avg_precision: {3:.4f}\t'
'avg_recall: {4:.4f}\t'
'avg_f1score: {5:.4f}\t'
'run_time:{run_time:.2f}\t'
.format(loss.data[0], matrix.accuracy(),
matrix.fg_accuracy(), matrix.avg_precision(), matrix.avg_recall(), matrix.avg_f1score(),run_time=run_time))
logger.info('=================================================')
return matrix.all_acc()
def main():
makedirs.mkdirs(os.path.join(args['checkpoints_dir'], args['name']))
if len(args['device_ids']) > 0:
torch.cuda.set_device(args['device_ids'][0])
A_train_loader = data.DataLoader(imageLabelLoader(args['data_path'],dataName=args['domainA'], phase='train'), batch_size=args['batch_size'],
num_workers=args['num_workers'], shuffle=True)
A_val_loader = data.DataLoader(imageLabelLoader(args['data_path'], dataName=args['domainA'], phase='val'), batch_size=args['batch_size'],
num_workers=args['num_workers'], shuffle=False)
B_train_loader = data.DataLoader(imageLoader(args['data_path'], dataName=args['domainB'], phase='train+unlabel'),
batch_size=args['batch_size'],
num_workers=args['num_workers'], shuffle=True)
B_val_loader = data.DataLoader(imageLabelLoader(args['data_path'], dataName=args['domainB'], phase='val'),
batch_size=args['batch_size'],
num_workers=args['num_workers'], shuffle=False)
model = deeplabGanWithRefine()
model.initialize(args)
# multi GPUS
# model = torch.nn.DataParallel(model,device_ids=args['device_ids']).cuda()
Iter = 0
if args['resume']:
if os.path.isfile(args['resume']):
logger.info("=> loading checkpoint '{}'".format(args['resume']))
model.load(args['resume'])
else:
print("=> no checkpoint found at '{}'".format(args['resume']))
best_Ori_on_B = 0
best_Ada_on_B = 0
model.train()
for epoch in range(args['n_epoch']):
# train(A_train_loader, B_train_loader, model, epoch)
# switch to train mode
for i, (A_image, A_label) in enumerate(A_train_loader):
Iter += 1
B_image = next(iter(B_train_loader))
model.set_input({'A': A_image, 'A_label': A_label, 'B': B_image})
model.optimize_parameters()
output = model.output
if i % args['print_freq'] == 0:
matrix = ConfusionMatrix()
update_confusion_matrix(matrix, output.data, A_label)
logger.info('Time: {time}\t'
'Epoch/Iter: [{epoch}/{Iter}]\t'
'loss: {loss:.4f}\t'
'loss_R: {loss_R:.4f}\t'
'acc: {accuracy:.4f}\t'
'fg_acc: {fg_accuracy:.4f}\t'
'avg_prec: {avg_precision:.4f}\t'
'avg_rec: {avg_recall:.4f}\t'
'avg_f1: {avg_f1core:.4f}\t'
'loss_G: {loss_G:.4f}\t'
'loss_D: {loss_D:.4f}\t'.format(
time=time.strftime("%Y-%m-%d_%H:%M:%S", time.localtime()),
epoch=epoch, Iter=Iter, loss=model.loss_P.data[0],
loss_R=model.loss_R.data[0], accuracy=matrix.accuracy(),
fg_accuracy=matrix.fg_accuracy(), avg_precision=matrix.avg_precision(),
avg_recall=matrix.avg_recall(), avg_f1core=matrix.avg_f1score(),
loss_G=model.loss_G.data[0], loss_D=model.loss_D.data[0]))
if Iter % 1000 == 0:
model.eval()
acc_Ori_on_A = validate(A_val_loader, model, nn.CrossEntropyLoss(size_average=False), False)
acc_Ori_on_B = validate(B_val_loader, model, nn.CrossEntropyLoss(size_average=False), False)
acc_Ada_on_B = validate(B_val_loader, model, nn.CrossEntropyLoss(size_average=False), True)
prec_Ori_on_B = acc_Ori_on_B['avg_f1score']
prec_Ada_on_B = acc_Ada_on_B['avg_f1score']
is_best = prec_Ori_on_B > best_Ori_on_B
best_Ori_on_B = max(prec_Ori_on_B, best_Ori_on_B)
if is_best:
model.save('best_Ori_on_B', Iter=Iter, epoch=epoch, acc={'acc_Ori_on_A':acc_Ori_on_A, 'acc_Ori_on_B':acc_Ori_on_B, 'acc_Ada_on_B':acc_Ada_on_B})
is_best = prec_Ada_on_B > best_Ada_on_B
best_Ada_on_B = max(prec_Ada_on_B, best_Ada_on_B)
if is_best:
model.save('best_Ada_on_B', Iter=Iter, epoch=epoch, acc={'acc_Ori_on_A':acc_Ori_on_A, 'acc_Ori_on_B':acc_Ori_on_B, 'acc_Ada_on_B':acc_Ada_on_B})
model.train()
if __name__ == '__main__':
global args
args = {
'test_init':False,
'label_nums':12,
'l_rate':1e-8,
'lr_gan': 0.00002,
'lr_refine': 1e-6,
'beta1': 0.5,
'data_path':'datasets',
'n_epoch':1000,
'batch_size':10,
'num_workers':10,
'print_freq':10,
'device_ids':[1],
'domainA': 'Lip',
'domainB': 'Indoor',
'weigths_pool': 'pretrain_models',
'pretrain_model': 'deeplab.pth',
'fineSizeH':241,
'fineSizeW':121,
'input_nc':3,
'name': 'v3_5_t->s_Refine',
'checkpoints_dir': 'checkpoints',
'net_D': 'NoBNSinglePathdilationMultOutputNet',
'use_lsgan': True,
'resume':None#'checkpoints/v3_1/',
}
logger = Logger(
log_file='./log/' + args['name'] + '-' + time.strftime("%Y-%m-%d_%H:%M:%S", time.localtime()) + '.log')
logger.info('------------ Options -------------\n')
for k, v in args.items():
logger.info('%s: %s' % (str(k), str(v)))
logger.info('-------------- End ----------------\n')
main()