ICIP 2006, Atlanta, GA

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Paper Detail

Session:Image and Video Coding - II
Time:Wednesday, October 11, 14:20 - 17:00
Presentation: Poster
Topic: Image & Video Coding: Lossy image coding
Authors: Xing San; University of Science & Technology of China 
 Hua Cai; Microsoft Research Asia 
 Jiang Li; Microsoft Research Asia 
Abstract: Inter-color correlation between the luminance component and chrominance components has been utilized for color image coding for years. However, the correlation has not been clearly analyzed. In this paper, we analyze the inter-color correlation and answer two questions related to color image coding: (1) what kind of inter-color correlation exists in color images after the discrete wavelet transform?; and, (2) how strong is it? This analysis helps us to find a most suitable inter-color context and eventually leads to a new embedded color image codec. By using the discovered inter-color context, significant performance improvement can be achieved when encoding chrominance components.