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作者:

Zhu, Weijia (Zhu, Weijia.) | Ding, Wenpeng (Ding, Wenpeng.) | Xiong, Ruiqin (Xiong, Ruiqin.) | Shi, Yuhui (Shi, Yuhui.) | Yin, Baocai (Yin, Baocai.) (学者:尹宝才)

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EI Scopus

摘要:

Computer generated compound images contain not only photographic images but also text and graphics images, which makes it difficult to be efficiently compressed using exiting image and video coding standards. This paper presents a new compound image coding scheme based on the intra coding framework of the upcoming high efficiency video coding (HEVC) standard. The proposed scheme first decomposes the compound image into color components and structure components. Then two-stage prediction scheme is employed to exploit the correlation among structure components, where the first prediction is generated by directional prediction and second prediction is generated by template matching. Experimental results show that the proposed scheme achieves up to 10.2 dB coding gain on compound images compared with HEVC. And on average it achieves 42.2 percent bitrate saving compared with HEVC. © 2012 IEEE.

关键词:

Codes (symbols) Efficiency Forecasting Image coding Image compression Photography Template matching Video signal processing Visual communication

作者机构:

  • [ 1 ] [Zhu, Weijia]Beijing Key Laboratory of Multimedia and Intelligent Software Technology, Beijing University of Technology, Beijing, China
  • [ 2 ] [Ding, Wenpeng]Beijing Key Laboratory of Multimedia and Intelligent Software Technology, Beijing University of Technology, Beijing, China
  • [ 3 ] [Xiong, Ruiqin]School of Electronic Engineering and Computer Science, Peking University, Beijing, China
  • [ 4 ] [Shi, Yuhui]Beijing Key Laboratory of Multimedia and Intelligent Software Technology, Beijing University of Technology, Beijing, China
  • [ 5 ] [Yin, Baocai]Beijing Key Laboratory of Multimedia and Intelligent Software Technology, Beijing University of Technology, Beijing, China

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年份: 2012

语种: 英文

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SCOPUS被引频次: 14

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