spyrit.misc.sampling

Functions

Permutation_Matrix(Mat)	Returns permutation matrix from sampling matrix
define_order(n, order[, pdf])	Creation of a Hadamard pattern order
img2mask(Mat, M)	Returns sampling mask from sampling matrix.
img2meas(Img, Mat)	Return measurement vector from measurement image (not TESTED)
meas2img(meas, Mat)	Returns measurement image from a single measurement vector or from a batch of measurement vectors.
meas2img2(meas, Mat)	Return multiple measurement images from multiple measurement vectors.
reindex(values, indices[, axis, ...])	Sorts a tensor along a specified axis using the indices tensor.
reorder(meas, Perm_acq, Perm_rec)	Reorder measurement vectors
reorder_from_sampling_map(meas, Ord_acq, s_map)	Reorder splitted measurements following a sampling map
sampling_map_VDS(pdf, M[, seed])	Define a VDS sampling scheme that follows a PDF.
sampling_map_from_order(order, M)	Generate a sampling map from a given order (ranking) and number of measurements
sampling_map_multilevel_VDS(pdf, M, levels)	Generation of a sampling map following a Multilevel VDS sampling scheme
sort_by_significance(arr, sig[, axis, ...])	Returns an array ordered by decreasing significance along the specified dimension.