chessboard.py 文件源码

def find_candidates(greyscale_image, neighborhood_size=20, candidate_threshold=.5):
    corner_likelihood = compute_inital_corner_likelihood(greyscale_image)
    # TODO: the absolute threshold should be statistically determined based on actual checkerboard images
    candidates = peak_local_max(corner_likelihood, neighborhood_size, corner_likelihood.max() * candidate_threshold)
    return candidates