Exemplo n.º 1
0
    parser.add_argument(
        '--whitenm',
        type=float,
        default=1.0,
        help='whitening multiplier, default is 1.0 (i.e. no multiplication)')

    args = parser.parse_args()
    args.iscuda = common.torch_set_gpu(args.gpu)
    if args.aqe is not None:
        args.aqe = {'k': args.aqe[0], 'alpha': args.aqe[1]}
    if args.adba is not None:
        args.adba = {'k': args.adba[0], 'alpha': args.adba[1]}

    dl.download_dataset(args.dataset)

    dataset = datasets.create(args.dataset)
    print("Test dataset:", dataset)

    net = load_model(args.checkpoint, args.iscuda)

    if args.whiten:
        net.pca = net.pca[args.whiten]
        args.whiten = {
            'whitenp': args.whitenp,
            'whitenv': args.whitenv,
            'whitenm': args.whitenm
        }
    else:
        net.pca = None
        args.whiten = None
    parser.add_argument('--batch_size', type=int, default=320, help='size of batch imags')
    parser.add_argument('--epochs', type=int, default=300, help='train epochs')
    parser.add_argument('--saved', type=str, default='./experiments/ICIAR+no_pretrained/', help='train epochs')

    args = parser.parse_args()
    gpu_ids = args.gpu[0].split(',')
    gpu_ids = [int(i) for i in gpu_ids]
    args.iscuda = common.torch_set_gpu(gpu_ids)
    if args.aqe is not None:
        args.aqe = {'k': args.aqe[0], 'alpha': args.aqe[1]}
    if args.adba is not None:
        args.adba = {'k': args.adba[0], 'alpha': args.adba[1]}

    #load dataset
    dataset = datasets.create(args.dataset)
    test_dataset = datasets.create(args.test_dataset)

    #load model
    print("With %s Train Model:" %(args.dataset))
    net, start_epoch = load_model(args.checkpoint, args.iscuda)
    net.cuda()
    device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
    net = torch.nn.DataParallel(net,device_ids = [0])
    net.to(device)

    #define optimizer parameter
    net.pca = net.module.pca
    net.preprocess = net.module.preprocess
    net.iscuda = net.module.iscuda
    criterion = APLoss()
Exemplo n.º 3
0
                        help='number of thread workders')
    parser.add_argument('--gpu',
                        type=int,
                        default=0,
                        nargs='+',
                        help='GPU ids')
    parser.add_argument('--cache',
                        type=str,
                        required=True,
                        help='path to cache files')

    args = parser.parse_args()
    assert args.buffer_size % args.batch_size == 0
    args.iscuda = common.torch_set_gpu(args.gpu)

    train_set = datasets.create('Landmarks_clean')
    val_set = datasets.create('RParis6K')

    model_options = {
        'arch': args.arch,
        'out_dim': args.out_dim,
        'pooling': args.pooling,
        'gemp': args.gemp
    }

    start_epoch = 0
    if os.path.isfile(args.resume):
        checkpoint = common.load_checkpoint(args.resume, args.iscuda)
        net = nets.create_model(pretrained='', **model_options)
        net = common.switch_model_to_cuda(net, args.iscuda, checkpoint)
        net.load_state_dict(checkpoint['state_dict'])
Exemplo n.º 4
0
    parser.add_argument('--aqe', type=int, nargs='+', help='alpha-query expansion paramenters')
    parser.add_argument('--adba', type=int, nargs='+', help='alpha-database augmentation paramenters')

    parser.add_argument('--whitenp', type=float, default=0.25, help='whitening power, default is 0.5 (i.e., the sqrt)')
    parser.add_argument('--whitenv', type=int, default=None, help='number of components, default is None (i.e. all components)')
    parser.add_argument('--whitenm', type=float, default=1.0, help='whitening multiplier, default is 1.0 (i.e. no multiplication)')

    args = parser.parse_args()
    args.iscuda = common.torch_set_gpu(args.gpu)
    if args.aqe is not None: args.aqe = {'k': args.aqe[0], 'alpha': args.aqe[1]}
    if args.adba is not None: args.adba = {'k': args.adba[0], 'alpha': args.adba[1]}

    dl.download_dataset(args.dataset)

    dataset = datasets.create(args.dataset)
    print("Test dataset:", dataset)

    net = load_model(args.checkpoint, args.iscuda)

    if args.center_bias:
        assert hasattr(net,'center_bias')
        net.center_bias = args.center_bias
        if hasattr(net, 'module') and hasattr(net.module,'center_bias'):
            net.module.center_bias = args.center_bias

    if args.whiten and not hasattr(net, 'pca'):
        # Learn PCA if necessary
        if os.path.exists(args.whiten):
            with open(args.whiten, 'rb') as f:
                net.pca = pkl.load(f)