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Photography

Graphics: interpolation to resize images with Gimp

Inspired by the comments to one of my old article, I write a brief guide to clarify any doubts on’graphic interpolation. The short article today will speak only interpolation from the point of view of the graphic software, but it must be noted that interpolation is first of all a method to identify new points on the Cartesian plane, starting from a set of data points in the hypothesis that all the points can refer to a function f(x) of a given family of functions of a real variable. (more…)