Precision of color quality reproduction
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Fastvideo offers camera color-quality services: we tune an ISP for accurate, consistent color reproduction — color matrices, ICC/DCP profiles, white balance, and calibration — so cameras render true colors across scenes and devices.
What color-quality tuning covers
Color-quality tuning makes a camera reproduce accurate, consistent color across scenes, lighting and devices. We calibrate and profile the color stages of the ISP and then verify the result numerically, so colors match a known reference rather than only looking plausible.
Color stages we tune
- Black level and white balance
- Color correction matrix (CCM)
- ICC and DCP color profiles
- Gamma, tone curve and gamut mapping
- Illumination and lens shading compensation
Calibration against a reference
- Shoot a color target such as a ColorChecker under controlled lighting
- Build a per-sensor color profile from the measured patches
- Account for the light source, lens and exposure used in the real setup
Verification with deltaE
We measure the color error patch by patch as deltaE — the distance between the reproduced color and the reference color. Lower deltaE means more accurate color. For archiving and cultural-heritage work the target values follow standards such as ISO/TS 19264-1, FADGI and Metamorfoze.
What we need to scope the work
- Camera and image sensor, and the intended use case
- Lighting conditions and any reference targets you use
- Required accuracy or the standard you need to meet
The general engagement process is described on our ISP tuning page; a related tool is our ICC color transform on GPU.
About the author
Fyodor Serzhenko, PhD, is the founder and CEO of Fastvideo. He earned his PhD at the Moscow Institute of Physics and Technology (MIPT) in 1993. Since 2009 he has led the development of Fastvideo’s GPU-accelerated image codecs and ISP modules, including the Fastvideo SDK. Connect on LinkedIn.
Why you can trust these results
Fastvideo has built GPU-accelerated image processing software since 2009. Our codecs comply with the standards they implement — JPEG (ITU-T T.81 / ISO IEC 10918) and JPEG2000 (ITU-T T.800 / ISO IEC 15444) — and our tools are open source on GitHub. Every performance figure we publish is reproducible: see our benchmark methodology, download the Fastvideo SDK benchmark report (PDF), and measure it on your own GPU.