This toolbox provides MATLAB class definitions for design and evaluation of 2-D nonseparable directional lapped orthogonal transforms (DirLOTs). The DirLOTs are based on a lattice structure consisting of the 2-D separable block-DCT and non-separable support-extension processes and has a special feature to simultaneously satisfy the fixed- critically-subsampling, overlapping, orthogonal, symmetric, real-valued and compact-support property.
Shogo Muramatsu (2020). DirLOT Toolbox (https://www.mathworks.com/matlabcentral/fileexchange/32603-dirlot-toolbox), MATLAB Central File Exchange. Retrieved .
SaivDr Package (http://www.mathworks.com/matlabcentral/fileexchange/45084-saivdr-package) contains fast and stable implementation of DirLOTs. Please see the folder 'examples/dirlot' in the package.
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