NDLI: Spectral Coding of Mesh Geometry with a Hierarchical Set Partitioning Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Konur, U. Bayazit, U. Ates, H.F. Gurgen, F.S.
Copyright Year	2007
Description	Author affiliation: Bilgisayar Muhendisligi Bolumu, Bogazici Univ., Istanbul, Turkey (Konur, U.)
Abstract	This work proposes a progressive mesh geometry coder, which expresses geometry information in terms of spectral coefficients obtained through a transformation and codes these coefficients using a hierarchical set partitioning algorithm that assigns right priorities to those coefficients at all bit planes. The spectral transformation used is the one proposed in (Karni Z. et al., 2000) where the spectral coefficients are obtained by projecting the mesh geometry on an orthonormal basis determined by mesh topology. The set partitioning method used in coding, treats spectral coefficients belonging to the three spatial coordinates with the right priority at all bit planes and realizes a truly embedded system by achieving implicit bit allocation via joint coding the zeroes of coefficients at the bit planes. The experiments performed on common irregular meshes reveal that the rate-distortion performance of the coder is significantly superior to the coding system proposed in (Karni Z. et al., 2000).
Starting Page	1
Ending Page	4
File Size	319949
Page Count	4
File Format	PDF
ISBN	1424407192
DOI	10.1109/SIU.2007.4298692
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Information geometry siradüzensel küme bölüntüleme Embedded system Bit rate a¿amali kodlama Rate-distortion Partitioning algorithms Topology MPEG 4 Standard spektral dönü¿üm
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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