Nonsubsampled Contourlet Toolbox: ho=upsample2df(h, power); - File Exchange

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Highlights from
Nonsubsampled Contourlet Toolbox

atrousdec(x,fname,Nlevels); ATROUSDEC - computes the 2-D atrous decomposition using symmetric extension.
atrousfilters(fname); ATROUSFILTERS Generate pyramid 2D filters
decdemo( im, option ) DECDEMO demonstrates nonsubsampled Contourlet decomposition and reconstruction.
dfilters(fname, type) DFILTERS Generate directional 2D filters
dmaxflat(N,d) returns 2-D diamond maxflat filters of order 'N'
efilter2(x, f, extmod, shift) EFILTER2 2D Filtering with edge handling (via extension)
extend2(x, ru, rd, cl, cr, ex... EXTEND2 2D extension
ho=upsample2df(h, power); upsample filter by 2^power;
ld2quin(beta) LD2QUIN Quincunx filters from the ladder network structure
ldfilter(fname) LDFILTER Generate filter for the ladder structure network
mctrans(b,t) MCTRANS McClellan transformation
modulate2(x, type, center) MODULATE2 2D modulation
nsctdec(x, levels, dfilt, pfi... NSSCDEC Nonsubsampled Contourlet Transform Decomposition
nsdfbdec( x, dfilter, clevels... NSDFBDEC Nonsubsampled directional filter bank decomposition.
nsdfbrec( x, dfilter ) NSDFBREC Nonsubsampled directional filter bank reconstruct.
nsfbdec( x, h0, h1, lev ) nsfbdec - computes the ns pyramid decomposition
nsfbrec( y0, y1, g0, g1, lev ... nsfbrec - computes the inverse of 2-D atrous decomposition at level lev
nsscrec(y, dfilt, pfilt) NSCTREC Nonsubsampled Contourlet Reconstruction
nssfbdec( x, f1, f2, mup ) NSSFBDEC Two-channel nonsubsampled filter bank decomposition with periodic extension.
nssfbrec( x1, x2, f1, f2, mup... NSSFBREC Two-channel nonsubsampled filter bank reconstruction with periodic extension.
parafilters( f1, f2 ) PARAFILTERS Generate four groups of parallelogram filters.
qupz(x, type) QUPZ Quincunx Upsampling (with zero-pad and matrix extending)
resampz(x, type, shift) RESAMPZ Resampling of matrix
shownsct( y ) SHOWNSSC Show nonsubsampled Contourlet transform coefficients.
wfilters(wname,o) WFILTERS Wavelet filters.
x=satrousrec(y,fname); SATROUSREC - computes the inverse of 2-D atrous decomposition computed with ATROUSDEC
yT=symext(x,h,shift); FUNCTION Y = SYMEXT
dfbdecdemo.m
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from Nonsubsampled Contourlet Toolbox by Arthur Cunha
Toolbox Implementing NSCT

ho=upsample2df(h, power);
function ho=upsample2df(h, power); % upsample filter by 2^power; [m,n]=size(h); ho = zeros(2^power * m,2^power * n); ho(1:2^power:end,1:2^power:end)=h;

Highlights from Nonsubsampled Contourlet Toolbox

Highlights from
Nonsubsampled Contourlet Toolbox