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Highlights from
PDTDFB toolbox

SNR(in, est)
ang_pdfb(ang, nlev) ANG_PDFB Determine the dfb subband that the angle fall into
backsamp(y) BACKSAMP Backsampling the subband images of the directional filter bank
ddown(x, step, phase) DUP Diagonal Downsampling
dfbdec(x, fname, n) DFBDEC Directional Filterbank Decomposition
dfbrec(y, fname) DFBREC Directional Filterbank Reconstruction
dfilters(fname, type) DFILTERS Generate diamond 2D filters
dup(x, step, phase) DUP Diagonal Upsampling
efilter2(x, f, extmod, shift) EFILTER2 2D Filtering with edge handling (via extension)
extend2(x, ru, rd, cl, cr, ex... EXTEND2 2D extension
fbdec(x, h0, h1, type1, type2... FBDEC Two-channel 2D Filterbank Decomposition
fbdec_l(x, f, type1, type2, e... FBDEC_L Two-channel 2D Filterbank Decomposition using Ladder Structure
fbrec(y0, y1, h0, h1, type1, ... FBREC Two-channel 2D Filterbank Reconstruction
fbrec_l(y0, y1, f, type1, typ... FBREC_L Two-channel 2D Filterbank Reconstruction using Ladder Structure
fconv2(x, f, shape) FCONV2 2-D convolution using fft2
ffilters(h0, h1); FFILTERS Fan filters from diamond shape filters
fitmat(Y,N) FITMAT fit a matrix to matrix of size N, truncate or expand if necessary
fun_meyer(x, param) FUN_MEYER Return 1-D meyer function from x sample
ldfilter(fname) LDFILTER Generate filter for the ladder structure network
lpdec(x, h, g, opt, mode) LPDEC Pyramid Decomposition
lprec(c, d, h, g, opt, mode) LPDEC Pyramid Reconstruction
mctrans(b,t) MCTRANS McClellan transformation
mkAngle(sz, phase, origin)
mkAngularSine(sz, harmonic, a... IM = mkAngularSine(SIZE, HARMONIC, AMPL, PHASE, ORIGIN)
mkDisc(sz, rad, origin, twidt...
mkFract(dims, fract_dim)
mkGaussian(sz, cov, mn, ampl) IM = mkGaussian(SIZE, COVARIANCE, MEAN, AMPLITUDE)
mkImpulse(sz, origin, amplitu... IM = mkImpulse(SIZE, ORIGIN, AMPLITUDE)
mkR(sz, expt, origin)
mkRamp(sz, dir, slope, interc...
mkSine(sz, per_freq, dir_amp,...
mkSquare(sz, per_freq, dir_am... IM = mkSquare(SIZE, PERIOD, DIRECTION, AMPLITUDE, PHASE, ORIGIN, TWIDTH)
mkZero_pdtdfb(S, lev, res) MKZERO_PDTDFB Make a structure of pdtdfb with all zeros
mkZonePlate(sz, ampl, ph)
modulate2(x, type, center) MODULATE2 2D modulation
pdfb_ang(insub, nlev) PDFB_ANG Determine the dfb subband that the angle fall into
pdown(x, type, phase) PDOWN Parallelogram Downsampling
pdtdfb2vec(y) PDTDFB2VEC Convert the output of the PDTDFB into a vector form
pdtdfb_thrsh(y, method, prm, ... PDTDFB_THRSH : Threshold the PDTDFB data structure
pdtdfb_win(s2, alpha, Lnlev, ... PDTDFB_WIN Generate the Freq. windows that used in PDTDFB toolbox
pdtdfbdec(x, nlevs, lpfname, ... PDTDFBDEC Pyramidal Dual Tree Directional Filter Bank Decomposition
pdtdfbdec_f(im, nlevs, F2, al... PDTDFBDEC_F Pyramidal Dual Tree Directional Filter Bank Decomposition
pdtdfbrec(y, lpfname, dfname,... PDTDFBREC Pyramid Dual Tree Directional Filterbank Reconstruction
pdtdfbrec_f(y2, F2, alpha, re... PDTDFBREC_F Pyramid Dual Tree Directional Filterbank Reconstruction
periodize(x, s, opt) PERIODIZE Make the 2-D signal x periodize by s
pfilters(fname) PFILTERS Generate filters for the Laplacian pyramid
ppdec(x, type) PPDEC Parallelogram Polyphase Decomposition
pprec(p0, p1, type) PPREC Parallelogram Polyphase Reconstruction
psnr(x,y) Takes two 8-bit IMAGES and computes peak-to-peak signal to noise ratio:
pup(x, type, phase) PUP Parallelogram Upsampling
qdown(x, type, extmod, phase) QDOWN Quincunx Downsampling
qpdec(x, type) QPDEC Quincunx Polyphase Decomposition
qprec(p0, p1, type) QPREC Quincunx Polyphase Reconstruction
qup(x, type, phase) QUP Quincunx Upsampling
rebacksamp(y) REBACKSAMP Re-backsampling the subband images of the DFB
resamp(x, type, shift, extmod... RESAMP Resampling in 2D filterbank
sefilter2(x, f1, f2, extmod, ... SEFILTER2 2D seperable filtering with extension handling
tdfbdec(x, n, dfbtype, fname) TDFBDEC Directional Filterbank Reconstruction in Time domain, use in
tdfbdec_l(x, n, dfbtype, fnam... TDFBDEC_L Directional Filterbank Decomposition using Ladder Structure
tdfbrec(y, dfbtype, fname) TDFBREC Directional Filterbank Reconstruction in Time domain, use in
tdfbrec_l(y, dfbtype, fname) TDFBREC_L Directional Filterbank Reconstruction using Ladder Structure
vec2pdtdfb(yind, cfig) VEC2PDTDFB Convert the output of the PDTDFB into a vector form
demo_denoise.m
demo_denoise2.m
demo_pdtdfb_f.m
demo_phase.m
denoise_pdtdfb_bishrink.m
display_curv_con.m
script4.m
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PDTDFB toolbox

by Truong Nguyen

11 Dec 2008

PDTDFB toolbox for computing the shiftable complex directional pyramid decomposition

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Description

The filter bank is described in:

The Shiftable Complex Directional Pyramid—Part I: Theoretical Aspects
The Shiftable Complex Directional Pyramid—Part II: Implementation and Applications
IEEE transaction on singnal processing, Oct. 2008

Other related papers and software are available at:
nttruong.googlepages.com

Acknowledgement: The code development is based on the matlab code of the contourlet toolbox and the steerable pyramid.

Acknowledgements

The author wishes to acknowledge the following in the creation of this submission:
Contourlet toolbox

MATLAB release

MATLAB 7 (R14)

Tags for This File
Everyone's Tags	contourlet, curvelet(2), directional, filter bank, image processing, shiftable, wavelet
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Comments and Ratings (2)
04 Mar 2009	Truong Nguyen
04 Mar 2009	Truong Nguyen

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Tag Activity for this File
Tag	Applied By	Date/Time
curvelet	Truong Nguyen	11 Dec 2008 14:58:13
contourlet	Truong Nguyen	11 Dec 2008 14:58:13
filter bank	Truong Nguyen	11 Dec 2008 14:58:13
directional	Truong Nguyen	11 Dec 2008 14:58:13
shiftable	Truong Nguyen	11 Dec 2008 14:58:13
image processing	Truong Nguyen	11 Dec 2008 14:58:13
wavelet	Truong Nguyen	11 Dec 2008 14:58:13
curvelet	Mazen	14 Apr 2009 17:11:40

Highlights from PDTDFB toolbox

PDTDFB toolbox

Highlights from
PDTDFB toolbox