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Wavelet -based geometry coding for 3D mesh using space frequency quantization

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2 Author(s)
Shymaa T. EL-Leithy ; Informatics Research Institute, Mubarak City for Scientific Research, Alexandria, Egypt ; Walaa M. Sheta

3D objects are used in several applications such as animations, virtual reality and visualization. These applications often require a huge amount of data storage and transmission. Since most applications require compact storage, fast transmission, in this paper, we present a novel procedure for compression and coding of three-dimensional (3-D) semi-regular meshes using wavelet transform. This procedure is based on space frequency quantization (SFQ) which is used to minimize distortion error of the reconstructed mesh for a different bit-rate constraint. Our experiments show that the 3D SFQ code over performs progressive geometry coder (PGC) in terms of the quality of compressed meshes. Moreover, bit-stream can be truncated at any point and still decode reasonable visual quality meshes.

Published in:

Computers and Communications, 2008. ISCC 2008. IEEE Symposium on

Date of Conference:

6-9 July 2008