https://github.com/OpenImageIO/oiio/pull/157
The math and filter radii have been updated for a bunch of filters to better match existing performance in other common applications. (The biggest change being sinc, which is now much sharper.) Filter results comparison: pow2 downres (4K -> 128 tested) - katana 2.7.12 - ImageMagick 6.3.6 - prman 16.0 txmake box: oiio, prman, katana, imagemagick match lanczos3: oiio, katana, imagemagick match. prman is far sharper (perhaps lanczos2?) sinc: oiio, prman match. Katana is slighly softer. imagemagick is much softer blackman harris: all differ. In order of decreasing sharpness... imagemagick, oiio, prman catrom: oiio, imagemagick, prman match gaussian: oiio, prman, katana roughly match. imgmagick is sharper -- Jeremy _______________________________________________ Oiio-dev mailing list Oiio-dev@lists.openimageio.org http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
