Color Constancy Theo Gevers Color in Computer Vision
































- Slides: 32
Color Constancy Theo Gevers Color in Computer Vision – 2019
Color in Computer Vision – 2019
What is color constancy? Color in Computer Vision – 2019
Effect of changes to illuminant Color in Computer Vision – 2019
Color constancy framework Color in Computer Vision – 2019
Color in Computer Vision – 2019
Illuminant Estimation Color in Computer Vision – 2019
Adding a diffuse illumination component Color in Computer Vision – 2019
Challenges of color constancy Color in Computer Vision – 2019
Chromatic adaptation Color in Computer Vision – 2019
Chromatic Adaptation Transforms (CATs) based on sharpening cone responses Color in Computer Vision – 2019
Addition of an offset term Color in Computer Vision – 2019
Gray world assumption Color in Computer Vision – 2019
Gray world assumption under Lambertian reflectance model Color in Computer Vision – 2019
Gray world assumption based on segmentation or semantic segmentation Color in Computer Vision – 2019
White patch assumption and max-RGB method Color in Computer Vision – 2019
Illustration of max-RGB method Color in Computer Vision – 2019
Incorporation of local smoothing and Minkowski metric in grayworld algorithm Color in Computer Vision – 2019
Color constancy based on the gray edge assumption Color in Computer Vision – 2019
Representation in an opponent color space Color in Computer Vision – 2019
Illustration of gray edge model Color in Computer Vision – 2019
Interpretation of the Dichromatic Reflection Model (Review) Recall: Color in Computer Vision – 2019
Illustration of the Dichromatic Reflection Model (Review) Color in Computer Vision – 2019
Physics-based approaches Color in Computer Vision – 2019
Color constancy using gamut-based methods Gevers et al cites the following paper as the original work on gamut-based methods for color constancy Color in Computer Vision – 2019
Steps for illuminant estimation based on the gamut Color in Computer Vision – 2019
Color in Computer Vision – 2019
Gamut mapping of linear combinations of pixel values Color in Computer Vision – 2019
Equations referenced on preceding slide Color in Computer Vision – 2019
Extension to the offset model Color in Computer Vision – 2019
Use of image derivatives Color in Computer Vision – 2019
Illustration of use of image derivatives for gamut-based color constancy Color in Computer Vision – 2019