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Spread Spectrum-based Multi-bit Watermarking for Free-view Video

Spread Spectrum-based Multi-bit Watermarking for Free-view Video. Huawei Tian, Zheng Wang, Yao Zhao, Rongrong Ni, Lunming Qin. Institute of Information Science Beijing Jiaotong University. E-mail: hwtian@live.cn, zhengwang100@gmail.com, {yzhao, rrni}@bjtu.edu.cn, lunming.qin@hotmail.com.

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Spread Spectrum-based Multi-bit Watermarking for Free-view Video

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  1. Spread Spectrum-based Multi-bit Watermarking for Free-view Video Huawei Tian, Zheng Wang, Yao Zhao, Rongrong Ni, Lunming Qin Institute of Information Science Beijing Jiaotong University E-mail: hwtian@live.cn, zhengwang100@gmail.com, {yzhao, rrni}@bjtu.edu.cn, lunming.qin@hotmail.com 1

  2. Free view-point video 3-D video Free view video demo of KDDI.

  3. Free view-point TV 3-D video Collection terminal Display terminal

  4. Light field rendering (LFR) FTV

  5. Two kinds of Interpolation methods of LFR LFR

  6. Framework of watermarking scheme Embedding

  7. Framework of watermarking scheme Extraction

  8. Location of virtual cameras FLR

  9. Imperceptibility Test Imperceptibility Rendered view for original light field array Rendered view for marked light field array Difference Multiplied by 2 Position-A Position-E

  10. Experimental Results BER of virtual camera

  11. Experimental Results Robustness of the watermarking in six positions

  12. Experimental Results Imperceptibility test

  13. Experimental Results Imperceptibility test

  14. Thank You ！

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