Abstract
A novel color compensation method for multi-view video coding (MVC) is proposed, which efficiently exploits the inter-view dependencies between views with the existence of color mismatch caused by the diversity of cameras. A color compensation model is developed in RGB channels and then extended to YCbCr channels for practical use. A modified inter-view reference picture is constructed based on the color compensation model, which is more similar to the coding picture than the original inter-view reference picture. Moreover, the color compensation factors can be derived in both encoder and decoder, therefore no additional data need to be transmitted to the decoder. The experimental results show that the proposed method improves the coding efficiency of MVC and maintains good subjective quality.
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Project supported by the National Natural Science Foundation of China (No. 60772134) and the Innovation Foundation of Xidian University, China (No. Chuang 05018)
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Huo, Jy., Chang, Yl., Yang, Ht. et al. Color compensation for multi-view video coding based on diversity of cameras. J. Zhejiang Univ. Sci. A 9, 1631–1637 (2008). https://doi.org/10.1631/jzus.A0820075
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DOI: https://doi.org/10.1631/jzus.A0820075