MATLAB Software for Video Denoising with Planelets
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The Planelet package has a self-contained 3D Laplacian Pyramid 
implementation, with the following .m files:

computeLpyr3.m
maxPyrHt3.m
namedFilter.m
binomialFilter.m
buildLpyr3.m 
reconLpyr3.m

The 3D FFT is implemented in :

computeInvLocalFFT3.m
computeLocalFFT3.m

Some visualisation routines are:

showFFT_Lpyr3.m
showImage3.m
showImage3_two.m
showLpyr3.m
showMovie.m


The main routines for denoising are:

addGaussian.m     Additive Gaussian Noise generation
denoise3_sure.m   Planelet denoising using the SURE thresholding
denoise3_psure.m  Planelet Packet denoising using the SURE thresholding

Some routines are obsolete and you don't have to worry about them.  But 
do play around with them if interested.