def load_image(fileList, transforms, shuffle=True, pin_memory=True):
    loader = torch.utils.data.DataLoader(ImageList(root=args.root_path,
                                                   fileList=fileList,
                                                   transform=transforms),
                                         batch_size=args.batch_size,
                                         shuffle=shuffle,
                                         num_workers=args.workers,
                                         pin_memory=pin_memory)
    return loader
def load_data_set(batch_size=20, set='train'):
    root_path = '/Users/benjaminchew/Documents/GitHub/DeepPotatoVision/'
    data_list = root_path + set + '.txt'
    data_loader = torch.utils.data.DataLoader(
        ImageList(root=root_path,
                  fileList=data_list,
                  transform=transforms.Compose([
                      transforms.ToTensor(),
                      transforms.Normalize(mean=[0.485, 0.456, 0.406],
                                           std=[0.229, 0.224, 0.225]),
                  ]),
                  loader=rgb_loader),
        batch_size=batch_size,
        shuffle=True,  #True,
        #num_workers=args.workers,
        pin_memory=True)
    return data_loader
示例#3
0
def main():
    global args
    args = parser.parse_args()

    # create Light CNN for face recognition
    model = LightCNN(pretrained=False, num_classes=args.num_classes)
    if args.cuda:
        model = torch.nn.DataParallel(model).cuda()

    print(model)

    # large lr for last fc parameters
    params = []
    for name, value in model.named_parameters():
        if 'bias' in name:
            if 'fc2' in name:
                params += [{
                    'params': value,
                    'lr': 20 * args.lr,
                    'weight_decay': 0
                }]
            else:
                params += [{
                    'params': value,
                    'lr': 2 * args.lr,
                    'weight_decay': 0
                }]
        else:
            if 'fc2' in name:
                params += [{'params': value, 'lr': 10 * args.lr}]
            else:
                params += [{'params': value, 'lr': 1 * args.lr}]

    optimizer = torch.optim.SGD(params,
                                args.lr,
                                momentum=args.momentum,
                                weight_decay=args.weight_decay)

    # optionally resume from a checkpoint
    if args.resume:
        if os.path.isfile(args.resume):
            print("=> loading checkpoint '{}'".format(args.resume))
            checkpoint = torch.load(args.resume)
            args.start_epoch = checkpoint['epoch']
            model.load_state_dict(checkpoint['state_dict'])
            optimizer.load_state_dict(checkpoint['optimizer'])
            print("=> loaded checkpoint '{}' (epoch {})".format(
                args.resume, checkpoint['epoch']))
        else:
            print("=> no checkpoint found at '{}'".format(args.resume))

    cudnn.benchmark = True

    #load image
    train_loader = torch.utils.data.DataLoader(ImageList(
        root=args.root_path,
        fileList=args.train_list,
        transform=transforms.Compose([
            transforms.RandomCrop(128),
            transforms.RandomHorizontalFlip(),
            transforms.ToTensor(),
        ])),
                                               batch_size=args.batch_size,
                                               shuffle=False,
                                               num_workers=args.workers,
                                               pin_memory=True)

    val_loader = torch.utils.data.DataLoader(ImageList(
        root=args.root_path,
        fileList=args.val_list,
        transform=transforms.Compose([
            transforms.CenterCrop(128),
            transforms.ToTensor(),
        ])),
                                             batch_size=args.batch_size,
                                             shuffle=False,
                                             num_workers=args.workers,
                                             pin_memory=True)

    # define loss function and optimizer
    criterion = nn.CrossEntropyLoss()

    if args.cuda:
        criterion.cuda()

    validate(val_loader, model, criterion)

    for epoch in range(args.start_epoch, args.epochs):

        adjust_learning_rate(optimizer, epoch)

        # train for one epoch
        train(train_loader, model, criterion, optimizer, epoch)

        # evaluate on validation set
        prec1 = validate(val_loader, model, criterion)

        save_name = args.save_path + 'lightCNN_' + str(
            epoch + 1) + '_checkpoint.pth.tar'
        save_checkpoint(
            {
                'epoch': epoch + 1,
                'arch': args.arch,
                'state_dict': model.state_dict(),
                'prec1': prec1,
                'optimizer': optimizer.state_dict(),
            }, save_name)
示例#4
0
        #img = img*128
        #mean = torch.FloatTensor([27])
        #img = img + mean
        img = ndimage.gaussian_filter(img, sigma=2)
        img = misc.imresize(img, (180, 180))  #/255
        #img = img/img.max()
        #img = Image.fromarray(np.uint8(img*255),'L')
        img = Image.fromarray(np.uint8(img), 'L')
        #img = ImageOps.invert(img)
        img.save("/home/iimtech5/Deep_Net/result/" +
                 "out_{:04d}.png".format(count))
        count += 1


test_loader = torch.utils.data.DataLoader(ImageList(root=args.root_path,
                                                    fileList=args.test_list,
                                                    transform=None),
                                          batch_size=args.batch_size,
                                          shuffle=False,
                                          num_workers=args.workers,
                                          pin_memory=True)

model = DeepNet()
model.load_state_dict(
    torch.load('./Model_Save_new/args.model_args.dataset_5_checkpoint.pth.tar')
    ['state_dict'])
model = model.to(device)
print(model)
print('model loaded and test started')
#model.eval()
test(test_loader, model)
示例#5
0
def main():
    global args
    args = parser.parse_args()
    model = LightCNN_9Layers(num_classes=args.num_classes)

    if args.cuda:
        model = model.cuda()

    print(model)

    #optimizer = torch.optim.Adam(model.parameters(), args.lr, weight_decay=args.weight_decay)
    optimizer = torch.optim.SGD(model.parameters(), args.lr,
                                momentum=args.momentum,
                                weight_decay=args.weight_decay)

    # optionally resume from a checkpoint
    if args.resume:
        if os.path.isfile(args.resume):
            print("=> loading checkpoint '{}'".format(args.resume))
            checkpoint = torch.load(args.resume)
            args.start_epoch = checkpoint['epoch']
            model.load_state_dict(checkpoint['state_dict'])
            print("=> loaded checkpoint '{}' (epoch {})"
                  .format(args.resume, checkpoint['epoch']))
        else:
            print("=> no checkpoint found at '{}'".format(args.resume))

    cudnn.benchmark = True

    #load image
    train_loader = torch.utils.data.DataLoader(
        ImageList(root=args.root_path, fileList=args.train_list, 
            transform=transforms.Compose([ 
                transforms.RandomCrop((202, 162)),
                transforms.RandomHorizontalFlip(), 
                transforms.ToTensor(),
            ])),
        batch_size=args.batch_size, shuffle=True,
        num_workers=args.workers, pin_memory=True)

    val_loader = torch.utils.data.DataLoader(
        ImageList(root=args.root_path, fileList=args.val_list, 
            transform=transforms.Compose([ 
                transforms.CenterCrop((202, 162)),
                transforms.ToTensor(),
            ])),
        batch_size=args.batch_size, shuffle=False,
        num_workers=args.workers, pin_memory=True)   

    # define loss function and optimizer
    #criterion = nn.CrossEntropyLoss()
    #criterion = nn.L1Loss()
    #criterion = nn.MSELoss()
    criterion = CombineLoss()
    if args.cuda:
        criterion.cuda()

    maxloss = 0
    validloss = validate(val_loader, model, criterion)
    maxloss = validloss
    for epoch in range(args.start_epoch, args.epochs):

        adjust_learning_rate(optimizer, epoch)

        # train for one epoch
        train(train_loader, model, criterion, optimizer, epoch)

        # evaluate on validation set
        validloss =validate(val_loader, model, criterion)

        #只保存验证集loss小的模型
        if validloss < maxloss:
            maxloss = validloss
            save_name = args.save_path + 'lightCNN_' + str(epoch+1) + '_checkpoint.pth.tar'
            save_checkpoint({
                'epoch': epoch + 1,
                'arch': args.arch,
                'state_dict': model.state_dict(),
            }, save_name)
示例#6
0
val_loader = torch.utils.data.DataLoader(
                ImageList(root = args.root_path, fileList = args.val_list,type_of_data = "val",
                          transform = transforms.Compose([ 
                                          #transforms.RandomHorizontalFlip(),  
                                          #transforms.ToTensor(),
                                          #transforms.Normalize(mean=[0.459,0.428,0.389])
                        ])),
                batch_size = args.batch_size, 
                shuffle = False,
                num_workers = args.workers, 
                pin_memory = True)

"""
train_loader = torch.utils.data.DataLoader(ImageList(root=args.root_path,
                                                     fileList=args.train_list,
                                                     type_of_data="train",
                                                     transform=None),
                                           batch_size=args.batch_size,
                                           shuffle=False,
                                           num_workers=args.workers,
                                           pin_memory=True)

val_loader = torch.utils.data.DataLoader(ImageList(root=args.root_path,
                                                   fileList=args.val_list,
                                                   type_of_data="val",
                                                   transform=None),
                                         batch_size=args.batch_size,
                                         shuffle=False,
                                         num_workers=args.workers,
                                         pin_memory=True)
示例#7
0
def main():
    global args
    args = parser.parse_args()

    if args.model == 'LightCNN-9':
        model = LightCNN_9Layers(num_classes=args.num_classes)
    elif args.model == 'LightCNN-29':
        model = LightCNN_29Layers(num_classes=args.num_classes)
    elif args.model == 'LightCNN-29v2':
        model = LightCNN_29Layers_v2(num_classes=args.num_classes)
    else:
        print('Error model type\n')

    use_cuda = args.cuda and torch.cuda.is_available()

    device = torch.device("cuda" if use_cuda else "cpu")

    print('Device being used is :' + str(device))

    #model = torch.nn.DataParallel(model).to(device)
    model = model.to(device)
    DFWmodel = DFW().to(device)

    if args.pretrained:
        if os.path.isfile(args.resume):
            print("=> loading checkpoint '{}'".format(args.resume))
            #checkpoint = torch.load(args.resume, map_location='cpu')['state_dict']
            if device == 'cpu':
                state_dict = torch.load(
                    args.resume, map_location='cpu'
                )['state_dict']  #torch.load(directory, map_location=lambda storage, loc: storage)
            else:
                state_dict = torch.load(
                    args.resume,
                    map_location=lambda storage, loc: storage)['state_dict']

            new_state_dict = OrderedDict()

            for k, v in state_dict.items():
                if k[:7] == 'module.':
                    name = k[7:]  # remove `module.`
                else:
                    name = k
                new_state_dict[name] = v
            model.load_state_dict(new_state_dict, strict=True)
            #model.load_state_dict(checkpoint['state_dict'])
    else:
        print("=> no checkpoint found at '{}'".format(args.resume))

    #load image
    train_loader = torch.utils.data.DataLoader(
        ImageList(
            root=args.root_path,
            fileList=args.train_list,
            transform=transforms.Compose([
                transforms.Resize((128, 128)),
                #transforms.Resize((144,144)),
                #transforms.FiveCrop((128,128)),
                #transforms.Lambda(lambda crops: torch.stack([transforms.ToTensor()(crop) for crop in crops])),
                transforms.RandomHorizontalFlip(),
                transforms.ToTensor(),
            ])),
        batch_size=args.batch_size,
        shuffle=False,
        num_workers=args.workers,
        pin_memory=True)

    val_loader = torch.utils.data.DataLoader(ImageList(
        root=args.root_path,
        fileList=args.val_list,
        transform=transforms.Compose([
            transforms.Resize((128, 128)),
            transforms.ToTensor(),
        ])),
                                             batch_size=args.batch_size,
                                             shuffle=False,
                                             num_workers=args.workers,
                                             pin_memory=True)
    '''
    for param in list(model.named_parameters()):
        print(param)
    '''
    for name, param in model.named_parameters():
        if 'fc' in name and 'fc2' not in name:
            param.requires_grad = True
        else:
            param.requires_grad = False
    '''
    for name,param in model.named_parameters():
        print(name, param.requires_grad)
    '''

    params = list(model.fc.parameters()) + list(DFWmodel.parameters(
    ))  #learnable parameters are fc layer of lightcnn and DFWModel parameters

    optimizer = optim.SGD(params, lr=args.lr, momentum=args.momentum)
    #optimizer = optim.Adam(params , lr=args.lr)

    #criterion   = ContrastiveLoss(margin = 1.0 ).to(device)
    criterion = nn.BCELoss()  #ContrastiveLoss(margin = 1.0 ).to(device)

    for epoch in range(args.start_epoch, args.epochs):

        #adjust_learning_rate(optimizer, epoch)

        # train for one epoch
        train(train_loader, model, DFWmodel, criterion, optimizer, epoch,
              device)

        # evaluate on validation set
        acc = validate(val_loader, model, DFWmodel, criterion, epoch, device)
        if epoch % 10 == 0:
            save_name = args.save_path + 'lightCNN_' + str(
                epoch + 1) + '_checkpoint.pth.tar'
            save_checkpoint(
                {
                    'epoch': epoch + 1,
                    'arch': args.arch,
                    'state_dict': model.state_dict(),
                    'acc': acc,
                    'optimizer': optimizer.state_dict(),
                }, save_name)
示例#8
0
def main():
    global args, best_prec1, seed
    args = parser.parse_args()


    #os.environ['CUDA_VISIBLE_DEVICES']=', '.join(str(x) for x in args.gpu)



    model=models.ResNet(depth=args.depth, pretrained=args.pretrained, cut_at_pooling=False, num_features=0, norm=False, dropout=0, num_classes=2)


    # # create model
    # if args.pretrained:  # from system models
    #     print("=> using pre-trained model '{}'".format(args.arch))
    #     model = models.__dict__[args.arch](pretrained=True)   #from pytorch system





    use_cuda = not args.no_cuda and torch.cuda.is_available()
    device = torch.device("cuda" if use_cuda else "cpu")

    if use_cuda:
        model=model.cuda()  ############################# important, it means model operation is conducted on cuda
    else:
        model=model()





    print ('Loading data from '+ args.root_path+args.trainFile)


    if args.da==0:
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5 ], std = [ 0.5, 0.5, 0.5 ]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    elif args.da==1:
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.ColorJitter(),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5 ], std = [ 0.5, 0.5, 0.5 ]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    elif args.da==2:
        deg=random.random()*10
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.ColorJitter(),
                                            transforms.RandomRotation(deg),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5], std = [ 0.5, 0.5, 0.5 ]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    elif args.da==3:
        deg=random.random()*10
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.RandomRotation(deg),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5], std = [ 0.5, 0.5, 0.5 ]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    elif args.da==4:
        deg=random.random()*20
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.ColorJitter(),
                                            transforms.RandomRotation(deg),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    elif args.da==5:
        deg=random.random()*10
        train_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.trainFile,
                      transform=transforms.Compose([
                                            transforms.RandomCrop(114),
                                            transforms.RandomHorizontalFlip(),  # The order seriously matters: RandomHorizontalFlip, ToTensor, Normalize
                                            transforms.RandomRotation(deg),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5], std = [ 0.5, 0.5, 0.5 ]),
                                            ])),
            batch_size=args.batch_size, shuffle=True,
            num_workers=args.workers, pin_memory=True)
    else:
        pass

    print ('Loading data from ' + args.root_path + args.testFile)



    if args.da==5:
        val_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.testFile,
                      transform=transforms.Compose([
                                            transforms.CenterCrop(114),
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5], std = [0.5, 0.5, 0.5 ])
                                            ])),
            batch_size=args.test_batch_size, shuffle=False,  #### Shuffle should be switched off for face recognition of LFW
            num_workers=args.workers, pin_memory=True)

    else:
        val_loader = torch.utils.data.DataLoader(
            ImageList(root=args.root_path, fileList=args.root_path+args.testFile,
                      transform=transforms.Compose([
                                            transforms.ToTensor(),
                                            transforms.Normalize(mean = [0.5, 0.5, 0.5], std = [0.5, 0.5, 0.5 ])
                                            ])),
            batch_size=args.test_batch_size, shuffle=False,  #### Shuffle should be switched off for face recognition of LFW
            num_workers=args.workers, pin_memory=True)





    # define loss function (criterion) and optimizer
    criterion = nn.CrossEntropyLoss().cuda()
    optimizer = torch.optim.SGD(model.parameters(), args.lr,
                                momentum=args.momentum,
                                weight_decay=args.weight_decay)


    # optionally resume from a checkpoint
    if args.resume:
        if os.path.isfile(args.resume):
            print("=> loading checkpoint '{}'".format(args.resume))
            checkpoint = torch.load(args.resume)
            args.start_epoch = checkpoint['epoch']
            best_prec1 = checkpoint['best_prec1']
            model.load_state_dict(checkpoint['state_dict'])
            optimizer.load_state_dict(checkpoint['optimizer'])
            print("=> loaded checkpoint '{}' (epoch {})"
                  .format(args.resume, checkpoint['epoch']))
        else:
            print("=> no checkpoint found at '{}'".format(args.resume))

    cudnn.benchmark = True  # This flag allows you to enable the inbuilt cudnn auto-tuner to find the best algorithm to use for your hardware.


    if args.evaluate:
        validate(val_loader, model, criterion)
        return



    fp = open(args.root_path + 'results_ResNet' + str(args.depth) + '_DA' + str(args.da) + '_LR_' + str(args.lr) + '.txt', "a")
    fp.write(str(seed)+'\n')
    fp.close()
    for epoch in range(args.start_epoch, args.epochs):
        adjust_learning_rate(optimizer, epoch)   # every epoch=10, the learning rate is divided by 10

        # train for one epoch
        train(train_loader, model, criterion, optimizer, epoch)

        # evaluate on validation set
        prec1 = validate(val_loader, model, criterion)
        fp = open(args.root_path + 'results_ResNet' + str(args.depth) + '_DA' + str(args.da) + '_LR_' + str(args.lr) + '.txt', "a")

        fp.write('{0:.3f} \n'.format(prec1))
        if epoch==args.epochs-1:
            fp.write('\n \n \n')
            fp.close()



        # remember best prec@1 and save checkpoint
        is_best = prec1 >best_prec1
        best_prec1 = max(prec1, best_prec1)