testswt_l2.m

denoising image with DWT

clear all
close all

clc
X=imread('cell.jpg');
figure, imshow(X)
X=RGB2GRAY(X);
[m n]=size(X);
XX=zeros(m+2, n+2);
XX(1:m,1:n)=X(:,:);



SWC = swt2(XX,2,'db1');
[A,H,V,D] = swt2(XX,2,'db1');

% SWC = swt2(X,N,'wname')
% [A,H,V,D] = swt2(X,N,'wname')
% SWC = swt2(X,N,Lo_D,Hi_D)
% [A,H,V,D] = swt2(X,N,Lo_D,Hi_D)

%X = iswt2(A,H,V,D,'db1')