Another article on the site (linked elsewhere in this discussion) does a pretty good job of explaining the graphs: http://entropymine.com/imageworsener/resample

Another article on the site (linked elsewhere in this discussion) does a pretty good job of explaining the graphs: http://entropymine.com/imageworsener/resample/ http://entropymine.com/imageworsener/resample/ Basically: The X axis is distance in pixels and Y is the weight for the weighted average of the surrounding pixels according to their distance from the point being sampled.