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ICASSP
2011
IEEE
11 years 5 months ago
Rate-distortion improvement of directional wavelets by megablocking
The inef´Čüciency of separable wavelets in representing smooth edges has motivated the researchers to pursue new two dimensional transformations. One of the successful transformat...
Arian Maleki, Boshra Rajaei, Hamid Reza Pourreza
ICIP
2001
IEEE
13 years 3 months ago
Orthogonal quincunx wavelets with fractional orders
We present a new family of 2D orthogonal wavelets which uses quincunx sampling. The orthogonal refinement filters have a simple analytical expression in the Fourier domain as a fu...
Manuela Feilner, Mathews Jacob, Michael Unser
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