spyrit.misc.sampling.img2mask

spyrit.misc.sampling.img2mask(Mat: ndarray, M: int)[source]

Returns sampling mask from sampling matrix.

Args:
Mat (np.ndarray):

N-by-N sampling matrix, where high values indicate high significance.

M (int):

Number of measurements to be kept.

Returns:
Mask (np.ndarray):

N-by-N sampling mask, where 1 indicates the measurements to sample and 0 that to discard.