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- W4377984238 abstract "This paper addresses the question of what can be said about the colors in images that is independent of illumination. We make two main assumptions: Firstly, the illumination can be characterized as Planckian (a realistic assumption for most real scenes). Secondly, the camera behaves as if it were equipped with narrow band sensors (true for a large number of cameras). An alternative set of assumptions (with broad-band sensors) leading to the same invariant expression is also presented to show the robustness of the invariant. The resulting physics-based method results in a transformation of the original color image to a grey-scale one which does not vary with illumination. Experiments demonstrate that the distribution of grey-scale invariants in an image is a reliable cue for illumination independent object recognition." @default.
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- W4377984238 date "2000-01-01" @default.
- W4377984238 modified "2023-10-18" @default.
- W4377984238 title "Illuminant invariance at a single pixel" @default.
- W4377984238 doi "https://doi.org/10.2352/cic.2000.8.1.art00017" @default.
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