Hi :) Geert Jordaens wrote:
> The code is not interpolating rather resampling (supersampling in case > of lanczos and bicubic) in the case of scaling down. OK - perhaps I'm misunderstanding the approach taken here, then. As with interpolation, the Lanczos/Bicubic functions are being used to fit a parametric function to the original discrete samples, yes? The question is how is this function then used? Is a single sample taken from it for each sample of the scaled-down image, or is the function "integrated" over an appropriate interval for each sample? I'd assumed, perhaps incorrectly, that the former approach was being used, and if so, then a simple box-filter should be more accurate; if the latter, however, then I'd expect the results to be better than a box filter. All the best, -- Alastair M. Robinson _______________________________________________ Gimp-developer mailing list Gimp-developer@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
