Search Results for: lift/gamma/gain

2.5D relighting in compositing with Blender (using spherical harmonics)

Posted on April 28, 2010 by François

Introduction About a year ago, I was watching a great presentation at the Nuke Master Class by Roy Stelzer (2D TD at Double Negative) about “2.5D Relighting inside of Nuke”. There is 3 videos which you can download from The … Continue reading →

Posted in CG/Animation, R&D | Tagged 3D, angular map, blender, compositing, debevec, developpment, Dneg, Double Negative, environment map, Formula, HDR, HDRI, Irradiance, light probe, Math, Nuke, open source, re-lighting, Relighting, Roy Stelze, shaders, Siggraph, The Foundry, vfx | 10 Comments

Color Grading with Blender 2.5

Posted on March 25, 2010 by François

Introduction Yeahh Matt Ebb just commit my patch (SVN r27733) for the “Color Balance” node in Blender 2.5 Compositing node !!! Now it should be much easier to work with. You can get a version of blender at Graphicall.org (any … Continue reading →

Posted in CG/Animation, Download, Videos/Films | Tagged AfterFX, blender, CDL, color correction, Color management, Colorista, colour, compositing, developpment, Formula, Gain, Gamma, Gamma correction, grading, Lift, Math, open source, patch, tutorials, vfx | 13 Comments

Exposure/Offset/Gamma photoshop tool to Shaders

Posted on November 5, 2009 by François

The goal here was to understand how works the Exposure feature of Photoshop for my research on lift/gamma/gain NB : I wouldn’t say I’m an 100% sure about how it works, but that’s how I understood it worked so far … Continue reading →

Posted in CG/Animation, Photography, R&D | Tagged adobe, ASC, CDL, color correction, colour, compositing, developpment, Exposure, Formula, Gain, Gamma, HLSL, Lift, Math, Media Player Classic, open source, photoshop, shaders | Leave a comment

lift/gamma/gain VS. ASC CDL

Posted on November 5, 2009 by François

Following my previous post “lift-gamma-gain color correction formula with blender compositing” I continue my research about all those formulas. Comparison I came to compare the ASC CDL (American Society of Cinematographers Color Decision List) formula to the Lift/Gamma/Gain formula I … Continue reading →

Posted in CG/Animation, Photography, R&D | Tagged ASC, blender, CDL, color correction, colour, compositing, developpment, Formula, Gain, Gamma, HLSL, Lift, Math, Media Player Classic, open source, shaders | 1 Comment

lift-gamma-gain color correction formula with blender compositing

Posted on October 27, 2009 by François

I got lately interest in Lift/Gamma/Gain formula for some personal project, I thought I would share some of the informations I found. What does Lift/Gamma/Gain ? Lift/Gamma/Gain is actually is a really nice approach for color correction in my opinion. … Continue reading →