KSII Transactions on Internet and Information Systems (TIIS)

Korean Society for Internet Information (한국인터넷정보학회)
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Distributed Video Coding for Illumination Compensation of Multi-view Video

  • Park, Sean-Ae (Department of Computer Engineering, Kwangwoon University) ;
  • Sim, Dong-Gyu (Department of Computer Engineering, Kwangwoon University) ;
  • Jeon, Byeung-Woo (School of Information and Communication Engineering, Sungkyunkwan University)
  • Received : 2010.07.12
  • Accepted : 2010.09.12
  • Published : 2010.12.23
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Abstract

In this paper, we propose an improved distributed multi-view video coding method that is robust to illumination changes among different views. The use of view dependency is not effective for multi-view video because each view has different intrinsic and extrinsic camera parameters. In this paper, a modified distributed multi-view coding method is presented that applies illumination compensation when generating side information. The proposed encoder codes DC values of discrete cosine transform (DCT) coefficients separately by entropy coding. The proposed decoder can generate more accurate side information by using the transmitted DC coefficients to compensate for illumination changes. Furthermore, AC coefficients are coded with conventional entropy or channel coders depending on the frequency band. We found that the proposed algorithm is about 0.1~0.5 dB better than conventional algorithms.

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