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MPEG-4 Book, The by Touradj Ebrahimi, Fernando Pereira

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8.6. Visual Texture Coding

In recent years, the telecommunication, computer animation, and multimedia industries have seen an increasing demand for interactive multimedia services over broadband networks. The efficiency of the coding schemes used for compressing the multimedia content, the ability to support alpha-blending, and the flexibility to encode multiple levels of details of a scene in one stream are essential for the success of these emerging services. To address this need, the MPEG-4 Visual standard includes a new VTC technique to support applications that demand high-quality, efficiently coded, and scalable textures.

MPEG-4 VTC is based on wavelet transform and zero-tree coding. Unlike previous standard texture coding techniques that ...

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