Switch from scipy medfilt to silx medfilt
nabu.preproc.ccd.CCDFilter()
internally uses scipy scipy.ndimage.filters.median_filter
.
However it's quite slow for large images (24.8s for (24300, 16431)
on linperceval
).
silx median filter (from silx.math.medianfilter import medfilt2d
) is much faster: 3.0 secs for the same image (on linperceval
) and yields the same results.
Edited by Pierre Paleo