train_localization_model.py 文件源码

def load_data(fname):
    n = 4543
    size = int(fname.split('_')[0])

    X_fname = 'cache/X_%s.npy' % fname
    y_fname = 'cache/bbox_%s.npy' % fname

    X_shape = (n, 3, size, size)
    y_shape = (n, 4)

    X = np.memmap(X_fname, dtype=np.float32, mode='r', shape=X_shape)
    y = np.memmap(y_fname, dtype=np.int32, mode='r', shape=y_shape)

    y = y.astype(np.float32)
    y = y / size

    return X, y