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This is a demo for Ripplet transform type I. This demo basically shows how the non-linear approximation (NLA) of an image. 

To start the demo, open testNLA.m in Matlab and run it. 

There are limited filters support in this demo. For laplacian pyramid, "9/7" and "5/3" wavelets are supported. For filterbanks in high pass bands, "pkva" ladder filters are supported in 6-tap, 8-tap and 12-tap.  