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» Computing Transformation Semigroups

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ICIP
2004
IEEE

191views Image Processing» more ICIP 2004»

Quaternion wavelets for image analysis and processing

14 years 11 months ago

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Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...

Wai Lam Chan, Hyeokho Choi, Richard G. Baraniuk

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ICASSP
2007
IEEE

115views Signal Processing» more ICASSP 2007»

ICA-Based Algorithms Applied to Image Coding

14 years 4 months ago

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Recently, Narozny et al [1] proposed a new viewpoint in variable high-rate transform coding. They showed that the problem of ﬁnding the optimal 1-D linear block transform for a ...

Michel Narozny, Michel Barret

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EICS
2010
ACM

128views Applied Computing» more EICS 2010»

Model a discourse and transform it to your user interface

14 years 2 months ago