Exemplo n.º 1
0
def main():

    global args, batchSize, kSaveModel, bb_params
    args = parser.parse_args()
    print(args)
    batchSize = args.batch_size
    kSaveModel = args.save_freq
    np.random.seed(args.manual_seed)
    torch.manual_seed(args.manual_seed)
    if cuda:
        torch.cuda.manual_seed_all(args.manual_seed)

    # load bounding box motion model params
    bb_params['lambda_shift_frac'] = args.lambda_shift_frac
    bb_params['lambda_scale_frac'] = args.lambda_scale_frac
    bb_params['min_scale'] = args.min_scale
    bb_params['max_scale'] = args.max_scale

    # load datasets
    alov = ALOVDataset(
        os.path.join("../../pygoturn/data", 'imagedata++/'),
        os.path.join("../../pygoturn/data",
                     'alov300++_rectangleAnnotation_full/'),
        NormalizeToTensor(), input_size)

    # imagenet = ILSVRC2014_DET_Dataset(os.path.join("../../pygoturn/data",
    #                                                'ILSVRC2014_DET_train/'),
    #                                   os.path.join("../../pygoturn/data",
    #                                                'ILSVRC2014_DET_bbox_train/'),
    #                                   bb_params,
    #                                   transform,
    #                                   input_size)
    #list of datasets to train on
    datasets = [
        alov,
    ]

    # load model
    net = model.SPPGoNet().to(device)
    # summary(net, [(3, 224, 224), (3, 224, 224)])
    loss_fn = torch.nn.L1Loss(size_average=False).to(device)

    # initialize optimizer
    optimizer = optim.SGD(net.classifier.parameters(),
                          lr=args.learning_rate,
                          momentum=args.momentum,
                          weight_decay=args.weight_decay)

    if os.path.exists(args.save_directory):
        print('Directory %s already exists' % (args.save_directory))
    else:
        os.makedirs(args.save_directory)

    # start training
    net = train_model(net, datasets, loss_fn, optimizer)

    # save trained model
    checkpoint = {'state_dict': net.state_dict()}
    path = os.path.join(args.save_directory, 'pytorch_goturn.pth.tar')
    torch.save(checkpoint, path)
Exemplo n.º 2
0
def main():

    global args
    args = parser.parse_args()
    print(args)
    np.random.seed(args.manual_seed)
    torch.manual_seed(args.manual_seed)
    if use_gpu:
        torch.cuda.manual_seed(args.manual_seed)
    # load datasets
    alov = ALOVDataset('../data/alov300/imagedata++/',
                       '../data/alov300/alov300++_rectangleAnnotation_full/',
                       transform)
    imagenet = ILSVRC2014_DET_Dataset('../data/imagenet_img/',
                                      '../data/imagenet_bbox/', transform,
                                      args.lambda_shift_frac,
                                      args.lambda_scale_frac, args.min_scale,
                                      args.max_scale)
    # list of datasets to train on
    datasets = [alov, imagenet]
    # load model
    net = model.GoNet()
    loss_fn = torch.nn.L1Loss(size_average=False)
    if use_gpu:
        net = net.cuda()
        loss_fn = loss_fn.cuda()

    # initialize optimizer
    optimizer = optim.SGD(net.classifier.parameters(),
                          lr=args.learning_rate,
                          weight_decay=0.0005)

    if os.path.exists(args.save_directory):
        print('Directory %s already exists' % (args.save_directory))
    else:
        os.makedirs(args.save_directory)

    # start training
    net = train_model(net, datasets, loss_fn, optimizer)
Exemplo n.º 3
0
    model_dir = 0
    if args.model_dir:
        params = util.Params()
        params.update(args.model_dir)
        model_dir = args.model_dir
    else:
        model_dir_path = os.path.join(".", "model")
        if not os.path.isdir(model_dir_path):
            os.mkdir(model_dir_path)
        model_dir = model_dir_path

    params.cuda = torch.cuda.is_available()

    alov = ALOVDataset('/large_storage/imagedata++',
                       '/large_storage/alov300++_rectangleAnnotation_full',
                       transform)

    dataloader = DataLoader(alov, batch_size=params.batch_size)

    use_gpu = torch.cuda.is_available()

    model = model.Re3Net().cuda() if use_gpu else model.Re3Net()
    optimizer = optim.Adam(model.parameters(), lr=params.learning_rate)

    net = 0

    loss_fn = model.loss_fn(params.cuda)

    # Train the model
    logging.info("Starting training for {} epoch(s)".format(params.num_epochs))
Exemplo n.º 4
0
batchSize = args.batch_size
kSaveModel = args.save_freq
np.random.seed(args.manual_seed)
torch.manual_seed(args.manual_seed)

bb_params = {}

bb_params['lambda_shift_frac'] = 5
bb_params['lambda_scale_frac'] = 15
bb_params['min_scale'] = -0.4
bb_params['max_scale'] = 0.4
transform = NormalizeToTensor()
input_size = 224

alov = ALOVDataset(
    os.path.join("../pygoturn/data", 'imagedata++/'),
    os.path.join("../pygoturn/data", 'alov300++_rectangleAnnotation_full/'),
    NormalizeToTensor(), input_size)

# imagenet = ILSVRC2014_DET_Dataset(os.path.join("../pygoturn/data",
#                                                'ILSVRC2014_DET_train/'),
#                                   os.path.join("../pygoturn/data",
#                                                'ILSVRC2014_DET_bbox_train/'),
#                                   bb_params,
#                                   transform,
#                                   input_size)

cuda = torch.cuda.is_available()
device = torch.device('cuda:0' if cuda else 'cpu')

net = GOTURN_AlexNET()
Exemplo n.º 5
0
def main():

    global args
    args = parser.parse_args()
    print(args)
    np.random.seed(args.manual_seed)
    torch.manual_seed(args.manual_seed)
    if use_gpu:
        torch.cuda.manual_seed(args.manual_seed)

    # load datasets
    alov = ALOVDataset('../data/alov300/imagedata++/',
                       '../data/alov300/alov300++_rectangleAnnotation_full/',
                       transform)
    imagenet = ILSVRC2014_DET_Dataset('../data/imagenet_img/',
                                      '../data/imagenet_bbox/', transform,
                                      args.lambda_shift_frac,
                                      args.lambda_scale_frac, args.min_scale,
                                      args.max_scale)
    # list of datasets to train on
    datasets = [alov, imagenet]

    # load model
    net = model.GoNet()
    loss_fn = torch.nn.L1Loss(size_average=False)
    if use_gpu:
        net = net.cuda()
        loss_fn = loss_fn.cuda()

    # initialize optimizer
    trainable_weights = []
    trainable_bias = []

    for name, param in net.classifier.named_parameters():
        if 'weight' in name:
            trainable_weights.append(param)
        elif 'bias' in name:
            trainable_bias.append(param)

    optimizer = optim.SGD([{
        'params': trainable_weights,
        'lr': args.learning_rate * 10
    }, {
        'params': trainable_bias,
        'lr': args.learning_rate * 20
    }],
                          lr=args.learning_rate,
                          momentum=args.momentum,
                          weight_decay=args.weight_decay)

    if os.path.exists(args.save_directory):
        print('Directory %s already exists' % (args.save_directory))
    else:
        os.makedirs(args.save_directory)

    # start training
    net = train_model(net, datasets, loss_fn, optimizer)

    # save trained model
    path = os.path.join(args.save_directory, 'final_model.pth')
    torch.save(net.state_dict(), path)