LUT and multilevel brownian retinex colour correction

• Autorzy: Rizzi A. , Marini D. , De Carli L.
• Języki publikacji: EN

Abstrakty

EN

Retinex, a model of human color vision suitable for unsupervised chromatic equalization, due to Land and McCann, is receiving a reneved interest after several years. Different versions have been developed so far, and it has been used for various applications. Most of the implementations skip the classical random paths approach because of the high frequency chromatic noise it introduces. To solve the noise problem, avoiding the increase of path number and witout substituting the random path approach, we present in this paper two new retinex versions: one based on lookppup table transformation, and another based on multilevel image decomposition. These versions strongly decrease the dependency of the computed pixel value on the path randomness, eliminating in this way a great part of the chromatic noise.

Słowa kluczowe

EN

retinex; cromatic equalization; color constancy

• Wydawca: Institute of Information Technology of the Warsaw University of Life Sciences – SGGW
• Czasopismo: Machine Graphics and Vision
• Rocznik: 2002
• Tom: Vol. 11, No. 2/3
• Strony: 153--168
• Opis fizyczny: Bibliogr. 15 poz.

Twórcy

autor

Rizzi A.

• Dip. Tecnologia dell'Informazione Polo di ricerca di Crema, Univ. di Milano, Italy

autor

Marini D.

• Dip. Scienze dell'Informazione, Univ. di Milano, Italy

autor

De Carli L.

Bibliografia

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