Greg B

Results 81 comments of Greg B

Thank you, @farindk for the quick response. @dlemstra if I can help in any way (such as to test IM when updated as needed), please let me know. For the...

@cmb69 Certainly keeping an ICC profile is beneficial to any image (including JPG gain maps which typically have a profile in the base SDR but not typically in the auxiliary...

@cmb69 There are open requests here for GB, and for ImageMagick. As far as I know there is no path for WP media library support without at least one of...

JPG gain maps store the auxiliary gain map per MPF. The Android XMP spec adds a GContainer header not required in the Adobe XMP spec. The more important ISO spec...

The Google-backed open source C++ library **libultrahdr** contains all the code necessary to take an existing gain map and transcode it to another, with support for recompress, rescale, crop (as...

libultra does not yet support AVIF / HEIF, but the team has noted that it is on their roadmap. I would think that could ultimately be managed via libultrahdr as...

@jonsneyers The banding in the test chart is entirely in the gain map. The free Adobe Gain Map Demo app is a quick and powerful way to troubleshoot things like...

@lovell **libvips** has added initial support for libultrahdr: https://github.com/libvips/libvips/pull/4645 This is built on mainline libultrahdr which supports transcoding of JPG (there is ongoing work to add support for AVIF /...

concur, this would be very helpful to have 16-bit linear half float RGB support