J. Aubray
Nonlinear models for the statistics of adaptive wavelet packet coefficients of texture
Aubray, J.; Jermyn, I.H.; Zerubia, J.
Abstract
Probabilistic adaptive wavelet packet models of texture provide new insight into texture structure and statistics by focusing the analysis on significant structure in frequency space. In very adapted subbands, they have revealed new bimodal statistics, corresponding to the structure inherent to a texture, and strong dependencies between such bimodal subbands, related to phase coherence in a texture. Existing models can capture the former but not the latter. As a first step towards modelling the joint statistics, and in order to simplify earlier approaches, we introduce a new parametric family of models capable of modelling both bimodal and unimodal subbands, and of being generalized to capture the joint statistics. We show how to compute MAP estimates for the adaptive basis and model parameters, and apply the models to Brodatz textures to illustrate their performance.
Citation
Aubray, J., Jermyn, I., & Zerubia, J. (2006). Nonlinear models for the statistics of adaptive wavelet packet coefficients of texture. In 14th European Signal Processing Conference, 2006 (1-5)
Conference Name | Signal Processing Conference, 2006 14th European |
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Conference Location | Florence |
Publication Date | Sep 1, 2006 |
Deposit Date | Aug 12, 2011 |
Publicly Available Date | Apr 22, 2016 |
Pages | 1-5 |
Series ISSN | 2219-5491 |
Book Title | 14th European Signal Processing Conference, 2006. |
Publisher URL | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7071224&tag=1 |
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© 2006 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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