utils.py 文件源码

def soften_targets(array, low=0.1, high=0.9):
    assert list(set(np.unique(array)) ^ {0, 1}) == [], 'Targets must be binary'
    array_new = np.empty_like(array)
    array_new = np.copyto(array_new, array)
    array_new[array == 0] = low
    array_new[array == 1] = high
    return array_new


# misc