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Multi-video compression in texture space using 4D SPIHT

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4 Author(s)
Ziegler, G. ; MPI Informatik, Saarbrucken, Germany ; Lensch, H. ; Magnor, M. ; Seidel, H.-P.

We present a model-based approach to encode multiple synchronized video streams which show a dynamic scene from different viewpoints. By utilizing 3D scene geometry, we compensate for motion and disparity by transforming all video images to object textures prior to compression. A 4D SPIHT wavelet compression algorithm exploits interframe coherence in both temporal and spatial dimension. Unused texels increase the compression, and a shape mask can be omitted at the cost of higher decoder complexity. The proposed coding scheme is intended for use in conjunction with free-viewpoint video and 3D-TV applications.

Published in:

Multimedia Signal Processing, 2004 IEEE 6th Workshop on

Date of Conference:

29 Sept.-1 Oct. 2004