spread spectrum-based multi-bit watermarking for free-view video 1 huawei tian, zheng wang, yao...
Post on 19-Dec-2015
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TRANSCRIPT
- Slide 1
- Spread Spectrum-based Multi-bit Watermarking for Free-view Video 1 Huawei Tian, Zheng Wang, Yao Zhao, Rongrong Ni, Lunming Qin Institute of Information Science Beijing Jiaotong University E-mail: [email protected], [email protected], {yzhao, rrni}@bjtu.edu.cn, [email protected]
- Slide 2
- 2 Free view-point video 3-D video Free view video demo of KDDI.
- Slide 3
- 3 Free view-point TV 3-D video Collection terminal Display terminal
- Slide 4
- 4 Light field rendering (LFR) FTV
- Slide 5
- 5 Two kinds of Interpolation methods of LFR LFR
- Slide 6
- 6 Framework of watermarking scheme Embedding
- Slide 7
- 7 Framework of watermarking scheme Extraction
- Slide 8
- 8 Location of virtual cameras FLR
- Slide 9
- 9 Imperceptibility Test Imperceptibility Position-A Position-E Rendered view for original light field array Rendered view for marked light field array Difference Multiplied by 2
- Slide 10
- 10 Experimental Results BER of virtual camera
- Slide 11
- 11 Experimental Results Robustness of the watermarking in six positions
- Slide 12
- 12 Experimental Results Imperceptibility test
- Slide 13
- 13 Experimental Results Imperceptibility test
- Slide 14
- Thank You