Coding gains of pyramid structures in progressive image transmission

Seop Hyeong Park; Sang Uk Lee

doi:10.1117/12.24280

1 September 1990 Coding gains of pyramid structures in progressive image transmission

Seop Hyeong Park, Sang Uk Lee

Proceedings Volume 1360, Visual Communications and Image Processing '90: Fifth in a Series; (1990) https://doi.org/10.1117/12.24280
Event: Visual Communications and Image Processing '90, 1990, Lausanne, Switzerland

Abstract

In this paper, we show two basic results to pyramid coding for a progressive image transmission. We first show that in a hierarchical pyramid structure, the transform coding can provide a gain over a simple scalar quantizer. The optimum bit allocation strategy among the Laplacian pyramid for transform coding is also described. Secondly, based on th.e use of transform coding, we show that especially at low bit rates a hierarchical pyramid structure provides a significant gain over encoding of an input image directly. This is particularly attractive to the progressive transmission using a hierarchical pyramid structure.

Citation Download Citation

Seop Hyeong Park and Sang Uk Lee "Coding gains of pyramid structures in progressive image transmission", Proc. SPIE 1360, Visual Communications and Image Processing '90: Fifth in a Series, (1 September 1990); https://doi.org/10.1117/12.24280

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