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Surface Compression With Geometric Bandelets

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Date
2005
Link to item file
http://hal.archives-ouvertes.fr/hal-00360322/en/
Dewey
Probabilités et mathématiques appliquées
Sujet
Bandelets ; discrete multiscale geometry ; geometry image ; normal map ; compression
Journal issue
ACM Transactions on Graphics
Volume
24
Number
3
Publication date
07-2005
Article pages
601--608
DOI
http://dx.doi.org/http://doi.acm.org/10.1145/1073204.1073236
URI
https://basepub.dauphine.fr/handle/123456789/569
Collections
  • CEREMADE : Publications
Metadata
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Author
Peyré, Gabriel
Mallat, Stéphane
Type
Article accepté pour publication ou publié
Abstract (EN)
This paper describes the construction of second generation bandelet bases and their application to 3D geometry compression. This new coding scheme is orthogonal and the corresponding basis functions are regular. In our method, surfaces are decomposed in a bandelet basis with a fast bandeletization algorithm that removes the geo- metric redundancy of orthogonal wavelet coefficients. The result- ing transform coding scheme has an error decay that is asymptoti- cally optimal for geometrically regular surfaces. We then use these bandelet bases to perform geometry image and normal map com- pression. Numerical tests show that for complex surfaces bandelets bring an improvement of 1.5dB to 2dB over state of the art com- pression schemes.

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