https://imagejdocu.list.lu/ 2026-05-07T10:07:11+00:00 https://imagejdocu.list.lu/ https://imagejdocu.list.lu/lib/tpl/dokuwiki/images/favicon.ico text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/plugin/filter/fit_polynomial/start?rev=1555067621&do=diff Fit_Polynomial Fits a polynomial of x&y to the image data, also subtracts the polynomial as a background. Description This plugin-filter fits a polynomial of variable order to an image. The selection (if any) determines the image area the polynomial is fitted to. Output can be the polynomial fit or the image with the fit subtracted. Output area is always the whole image, irrespective of the selection.