Re: Gaussian blur kernels
Jon Watte <[email protected]>
| Newsgroups | gmane.games.devel.algorithms |
|---|---|
| Message-ID | <[email protected]> |
Simon Fenney wrote: > Oh, I agree that there is a difference between what is 'best' for audio > and graphics** but a box filter is far from an ideal way of downsampling > graphics. I had a test image which was rendered with 10k samples per > pixel but downfiltered*** using a box filter. The amount of aliasing > surprised people. > Didn't we discuss this like three years ago, in the context of "what are textures, really?" Once you get into those details, you start having to make assumptions about what a sample is. Is it a point sample of a band-limited function? Is it an area average for a picture sensor? If so, what is the shape of that area filter? Sincerely, jw -- Revenge is the most pointless and damaging of human desires. ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ GDAlgorithms-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gdalgorithms-list Archives: http://sourceforge.net/mailarchive/forum.php?forum_name=gdalgorithms-list