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conference paper
Discrete Wavelet Frames on the Sphere
2004
Proceedings of EUSIPCO 2004, Vienne, Austria
In this paper the Continuous Wavelet Transform on the sphere is exploited to build the asociated Discrete Wavelet Frames. First, the half-continuous frames, i.e. frames where the position remains a continuous variable, is presented and then the fully discrete theory is presented. The notion of controlled frames is introduced, which reflects the particular nature of the underlying theory, particularly the apperant conflict between dilation and the compacity of the sphere. The paper is concluded with some numerical illustrations and future work.
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Bogdanova2004_754.pdf
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