Yesgrey vient de sortir la suite de son logiciel cr3dlut utilisé par le renderer video MVR (celui de madshi)
Les infos officielles:
Introduction:
yCMS is a Color Management System (CMS) that uses 3-dimensional lookup tables ("3D LUTs") to perform the conversion between the input and output color representations. You can read a little more about CMS here.
The idea of using 3D LUTs was due to the intensive computing that needs to be performed when converting video data between different color spaces. When using 3D LUTs all computing is performed offline during its creation. The computed 3D LUTs (three, one for each component) are then written to a file which can later be used, when playing videos or viewing photos, simply by mapping the input data through the 3D LUTs. This way, the conversion can be performed at runtime using lower computational power and leaving more CPU available for other tasks. Since all the computing is performed offline its precision can be increased by using 64bit floating point (per component) through out all the conversion chain.
Features:
- Color space conversion
- Gamut correction
- Chromatic adaptation
- Gamma correction
- HD, SD & Computer video standards
- R'G'B', RGB, Y'CbCr and YCbCr video data
- 6, 7 or 8 bit input bit depth 3D LUTs
- 8 or 16 bit output bit depth 3D LUTs
- Full 64 bit FP processing chain
- Both x86 and x64 versions
Requisites:
- Windows XP or newer
- x86 or x64 CPU with SSE or above
La thread officielle sur doom9 http://forum.doom9.org/showthread.php?t=154719
Cela permet donc de faire de la conversion d'espace de couleur et de la correction de gamut (comme cr3dlut) et en plus de la correction de gamma, cela sera a terme intégré à la prochaine version de MVR.
En cadeau le lien vers le tuto que j'avais fait pour cr3dlut http://www.homecinema-fr.com/forum/viewtopic.php?f=1196&t=29897828&p=173171340&hilit=cr3dlut#p173171340
A vous de tester (je suis en train de convertir mes fichiers cr3dlut vers yCMS pour tester la partie correction de gamut et ensuite je testerai la correction de gamma).