EZW (Embedded Zerotree Wavelet): readme.m - File Exchange

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Highlights from
EZW (Embedded Zerotree Wavelet)

func_DWT(I, level, Lo_D, Hi_D... Matlab implementation of SPIHT (without Arithmatic coding stage)
func_InvDWT(I_W, S, Lo_R, Hi_... Matlab implementation of SPIHT (without Arithmatic coding stage)
func_Myappcoef2(c,s,varargin) APPCOEF2 Extract 2-D approximation coefficients.
func_Mywavedec2(x,n,varargin) WAVEDEC2 Multilevel 2-D wavelet decomposition.
func_Mywaverec2(c,s,varargin) WAVEREC2 Multilevel 2-D wavelet reconstruction.
func_decode_refine(img_waveda... % img_wavedata_dec: input wavelet coefficients
func_decode_significancemap(i... img_wavedata_dec: input wavelet coefficients
func_dominant_pass(img_waveda... % img_wavedata: wavelet coefficients, if this step is not using the initial theshold
func_ezw_decode(dim, threshol... dim: dimension of the wavelet matrix to reconstruct
func_ezw_demo_main % main program to run this demo
func_ezw_enc(img_wavedata,ezw... img_wavedata: wavelet coefficients to encode
func_huffman_decode(img_ezw_s...
func_huffman_encode(significa...
func_morton(pos,n); The matrix should be n by n
func_rearrange_list(orig_list... orig_list: original subordinate list, this is the old subordinate list
func_subordinate_pass(subordi... % subordinate_list: current subordinate list containing coefficietns that are
func_treemask(x,y,dim); x, y is the position in the matrix of the node where the EZW tree
func_treemask_inf(x, y, dim); x y is the position in the matrix of the node where the EZW tree
readme.m
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from EZW (Embedded Zerotree Wavelet) by Kanchi
Matlab implementation of EZW (Embedded Zerotree Wavelet)

readme.m

% Matlab implementation of EZW (Embedded Zerotree Wavelet)
%
% The function in this toolbox are listed as follow:
%
% func_ezw_demo_main -- Main function
% func_ezw_enc -- Encoder
% func_ezw_dec -- Decoder
% func_DWT -- Wavelet decomposition
% func_InvDWT -- Inverse wavelet decomposition
%
% How To Use
% run func_ezw_demo_main.m
%
% Reference
% J. M. Shapiro, "Embedded image coding using zerotrees of wavelet
% coefficients, IEEE Transactions on Signal Processing, Vol. 41, No. 12, 1993, pp. 3445-3462.
%
% Tutorial
% A nice tutorial is available at C. Valens's homepage
% http://pagesperso-orange.fr/polyvalens/clemens/ezw/ezw.html
%
% Acknowledgement
% Parts of this toolbox are from Paschalis Tsiaflakis's toolbox at
% http://www.student.kuleuven.ac.be/~m0224996/ezw
%
%
%
% By Jing Tian Email: scuteejtian@hotmail.com
%
% Copyright 2008
%

Highlights from EZW (Embedded Zerotree Wavelet)

Highlights from
EZW (Embedded Zerotree Wavelet)