ICIP 2006, Atlanta, GA

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Paper Detail

Session:Multiresolution Processing
Time:Tuesday, October 10, 14:20 - 17:00
Presentation: Poster
Topic: Image & Video Multiresolution Processing: Filter banks
Authors: B. T. Thomas Yeo; Massachusetts Institute of Technology 
 Wanmei Ou; Massachusetts Institute of Technology 
 Polina Golland; Massachusetts Institute of Technology 
Abstract: Multiscale filtering methods, such as wavelets and steerable pyramids, are widely used in processing and analysis of planar images and promise similar benefits in application to spherical images. While recent advances have extended some filtering methods to the sphere, many key challenges remain. In this paper, we develop conditions for the invertibility of spherical filter banks for both continuous and discrete convolution and illustrate how such conditions can be incorporated into the design of self-invertible axis-symmetric wavelets. Self-invertibility is particularly desirable when modifying images in the wavelet domain.