Pure-Python SDR to Google Ultra HDR JPEG (gain map) converter — no libultrahdr needed. Output plays back HDR in Chrome, Android, iOS, macOS & Windows 11.
python jpeg image-processing image-converter computational-photography hdr tone-mapping hdr10 pq inverse-tone-mapping bt2020 ultrahdr gainmap ultra-hdr sdr-to-hdr gain-map iso-21496-1
-
Updated
Apr 22, 2026 - Python