Surface color under environmental illumination
نویسندگان
چکیده
منابع مشابه
Color constancy: surface color from changing illumination
Received September 5, 1991; revised manuscript received October 30, 1991; accepted November 13, 1991 Viewing the lights reflected by a set of three or more surfaces, a trichromatic visual system can recover three color-constant descriptors of reflectance per surface if the color of the surfaces' illuminant changes. This holds true for a broad range of models that relate photoreceptor, surface, ...
متن کاملSurface color perception and equivalent illumination models.
Vision provides information about the properties and identity of objects. The ease with which we perceive object properties belies the difficulty of the underlying information-processing task. In the case of object color, retinal information about object reflectance is confounded with information about the illumination as well as about the object's shape and pose. There is no obvious rule that ...
متن کاملColor constancy under changes in reflected illumination.
Distinct physical processes can change the spectrum of the illumination that impinges on a surface. Here we consider two such changes. The first is a change in the spectrum of the light source that provides the scene illumination (light source change). The second is a change in the reflectance of a surface located near a test surface of interest (reflected light change). A color constant visual...
متن کاملColor Image Registration under Illumination Changes
The estimation of parametric global motion has had a significant attention during the last two decades, but despite the great efforts invested, there are still open issues. One of the most important ones is related to the ability to recover large deformation between images in the presence of illumination changes while kipping accurate estimates. Illumination changes in color images are another ...
متن کاملEecient Color Segmentation under Varying Illumination Conditions
Video-based human body tracking using color segmentation often causes problems due to movements of the object or changes in the global illumination parameters. In this paper the innuence of varying lighting conditions and large object movements in space is measured and analysed. For color segmentation an eecient technique for histogram-classiication is used. Based on the measurement results we ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: London Imaging Meeting
سال: 2020
ISSN: 2694-118X
DOI: 10.2352/issn.2694-118x.2020.lim-44