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Digital camera IP-pipeline based on BV-G color-image decomposition

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3 Author(s)
Saito, T. ; Dept. of E&I Frontiers, Kanagawa Univ., Yokohama, Japan ; Yamada, D. ; Komatsu, T.

This paper proposes a new digital-camera image-processing (IP) pipeline, in which observed raw color data is firstly demosaicked, and the demosaicked color image is decomposed into its two components, namely a structure component and a texture component, with our previously proposed BV-G color-image decomposition method, and then the two components are separately processed, and finally the two processed components are combined to synthesize an output color image. The BV-G color-image decomposition method utilizes inter-channel color cross-correlations, which alleviate bad effects of observation noise on quality of an output color image. Furthermore, this paper introduces a technique into the IP-pipeline, to adjust a trade-off between noise visibility and texture sharpness to user's taste.

Published in:

Image Processing (ICIP), 2009 16th IEEE International Conference on

Date of Conference:

7-10 Nov. 2009