Exemplo n.º 1
0
def get_problem(dataset, K, p, lmbd, rho, batch_size, save_dir):
    # Setup the training constant and a test set
    if dataset == 'artificial':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from Lcod.simple_problem_generator import create_dictionary
        D = create_dictionary(K, p, seed=290890)
        pb = SimpleProblemGenerator(D, lmbd, rho=rho, batch_size=batch_size,
                                    corr=corr, seed=422742)
    elif dataset == 'mnist':
        from Lcod.mnist_problem_generator import MnistProblemGenerator
        from Lcod.mnist_problem_generator import create_dictionary_dl
        D = create_dictionary_dl(lmbd, K, N=10000, dir_mnist=save_dir)
        pb = MnistProblemGenerator(D, lmbd, batch_size=batch_size,
                                   dir_mnist=save_dir, seed=42242)
    elif dataset == 'images':
        from Lcod.image_problem_generator import ImageProblemGenerator
        from Lcod.image_problem_generator import create_dictionary_haar
        p = int(np.sqrt(p))
        D = create_dictionary_haar(p, wavelet='haar')
        pb = ImageProblemGenerator(D, lmbd, batch_size=batch_size,
                                   seed=1234)
    else:
        raise NameError("dataset {} not reconized by the script"
                        "".format(dataset))
    return pb, D
def get_problem(config):

    # retrieve the parameter of the problem
    dataset = config['data']
    batch_size, lmbd = config['batch_size'], config['lmbd']
    seed = config.get('seed')

    # Setup the training constant and a test set
    if dataset == 'artificial':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from Lcod.simple_problem_generator import create_dictionary

        # retrieve specific parameters for the problem
        K, p, rho = config['K'], config['p'], config['rho']
        seed_D, corr = config.get('seed_D'), config.get('corr', 0)
        D = create_dictionary(K, p, seed=seed_D)
        pb = SimpleProblemGenerator(D,
                                    lmbd,
                                    rho=rho,
                                    batch_size=batch_size,
                                    corr=corr,
                                    seed=seed)
    elif dataset == 'adverse':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from data_handlers.dictionaries import create_adversarial_dictionary

        # retrieve specific parameters for the problem
        K, p, rho = config['K'], config['p'], config['rho']
        seed_D, corr = config.get('seed_D'), config.get('corr', 0)
        D = create_adversarial_dictionary(K, p, seed=seed_D)
        pb = SimpleProblemGenerator(D,
                                    lmbd,
                                    rho=rho,
                                    batch_size=batch_size,
                                    corr=corr,
                                    seed=seed)
    elif dataset == 'mnist':
        from Lcod.mnist_problem_generator import MnistProblemGenerator
        from Lcod.mnist_problem_generator import create_dictionary_dl
        K, save_dir = config['K'], config['save_dir']
        D = create_dictionary_dl(lmbd, K, N=10000, dir_mnist=save_dir)
        pb = MnistProblemGenerator(D,
                                   lmbd,
                                   batch_size=batch_size,
                                   dir_mnist=save_dir,
                                   seed=seed)
    elif dataset == 'images':
        from Lcod.image_problem_generator import ImageProblemGenerator
        from Lcod.image_problem_generator import create_dictionary_haar
        p = config['p']
        D = create_dictionary_haar(p)
        pb = ImageProblemGenerator(D, lmbd, batch_size=batch_size, seed=seed)
    else:
        raise NameError("dataset {} not reconized by the script"
                        "".format(dataset))
    return pb, D
Exemplo n.º 3
0
def get_problem(config):

    # retrieve the parameter of the problem
    dataset = config['data']
    batch_size, lmbd = config['batch_size'], config['lmbd']
    seed = config.get('seed')

    # Setup the training constant and a test set
    if dataset == 'artificial':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from Lcod.simple_problem_generator import create_dictionary

        # retrieve specific parameters for the problem
        K, p, rho = config['K'], config['p'], config['rho']
        seed_D, corr = config.get('seed_D'), config.get('corr', 0)
        D = create_dictionary(K, p, seed=seed_D)
        pb = SimpleProblemGenerator(D, lmbd, rho=rho, batch_size=batch_size,
                                    corr=corr, seed=seed)
    elif dataset == 'adverse':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from data_handlers.dictionaries import create_adversarial_dictionary

        # retrieve specific parameters for the problem
        K, p, rho = config['K'], config['p'], config['rho']
        seed_D, corr = config.get('seed_D'), config.get('corr', 0)
        D = create_adversarial_dictionary(K, p, seed=seed_D)
        pb = SimpleProblemGenerator(D, lmbd, rho=rho, batch_size=batch_size,
                                    corr=corr, seed=seed)
    elif dataset == 'mnist':
        from Lcod.mnist_problem_generator import MnistProblemGenerator
        from Lcod.mnist_problem_generator import create_dictionary_dl
        K, save_dir = config['K'], config['save_dir']
        D = create_dictionary_dl(lmbd, K, N=10000, dir_mnist=save_dir)
        pb = MnistProblemGenerator(D, lmbd, batch_size=batch_size,
                                   dir_mnist=save_dir, seed=seed)
    elif dataset == 'images':
        from Lcod.image_problem_generator import ImageProblemGenerator
        from Lcod.image_problem_generator import create_dictionary_haar
        p = config['p']
        D = create_dictionary_haar(p)
        pb = ImageProblemGenerator(D, lmbd, batch_size=batch_size,
                                   seed=seed)
    else:
        raise NameError("dataset {} not reconized by the script"
                        "".format(dataset))
    return pb, D
Exemplo n.º 4
0
    save_dir = _assert_exist('save_exp', NAME_EXP)
    _assert_exist(save_dir, 'ckpt')
    save_curve = os.path.join(save_dir, "curve_cost.npy")

    # Setup the training constant and a test set
    if dataset == 'artificial':
        from Lcod.simple_problem_generator import SimpleProblemGenerator
        from Lcod.simple_problem_generator import create_dictionary
        p = 64                 # Dimension of the data
        D = create_dictionary(K, p, seed=290890)
        pb = SimpleProblemGenerator(D, lmbd, rho=rho, batch_size=batch_size,
                                    corr=corr, seed=422742)
    elif dataset == 'mnist':
        from Lcod.mnist_problem_generator import MnistProblemGenerator
        from Lcod.mnist_problem_generator import create_dictionary_dl
        D = create_dictionary_dl(lmbd, K, N=10000, dir_mnist=save_dir)
        pb = MnistProblemGenerator(D, lmbd, batch_size=batch_size,
                                   dir_mnist=save_dir, seed=42242)
    elif dataset == 'images':
        from Lcod.image_problem_generator import ImageProblemGenerator
        from Lcod.image_problem_generator import create_dictionary_haar
        p = 8
        reg_scale = 1e-4
        D = create_dictionary_haar(p)
        pb = ImageProblemGenerator(D, lmbd, batch_size=batch_size,
                                   data_dir='data/VOC', seed=1234)
    elif dataset == 'cifar':
        from Lcod.cifar_generator import CifarProblemGenerator
        from Lcod.cifar_generator import create_dictionary_dl
        p = 8
        reg_scale = 1e-4