Hi, i have problem on running this code due to some error. The only output is the displaying of 'original image'. Hopefully, you guys can help me fix it. Thank you so much.
error: Error in Wprocess (line 18)H1=rgb2gray(I2); %convert it into gray scale image
_______________________________________________________________________________
x=.01;t=cputime;I1=imread('lena.jpg');%read image
% I1=imread('mand.jpg');%read image
H=rgb2gray(I1); %convert it into gray scale imageJ=imresize(H,[512 512]);%resize image into 512x512 image
J= double(J);[M,N]=size(J);figure,imshow(uint8 (J));title('Original image')[Lo_D,Hi_D,Lo_R,Hi_R] = wfilters('haar');[ca,ch,cv,cd] = dwt2(J,Lo_D,Hi_D);[ca1,ch1,cv1,cd1] = dwt2(ch,Lo_D,Hi_D);[U,S,V] = svd(ch1);[m,n]=size(S);% Copy the original Singular value
Sw=S;I2=imread('cameraman.jpg');%read Watermark image
H1=rgb2gray(I2); %convert it into gray scale imageJ1=imresize(H1,[128 128]);%resize image
[a,b]=size(ch1);W1= double(J1);W1=imresize(W1,[a b]);% resize the 1 watermark image
[p,q]=size(W1);% Watermark insertion
S=S+(x*W1);[U_w,S_w,V_w]=svd(S);[cs1]=[U*S_w*V'];wing = idwt2(ca1,cs1,cv1,cd1,Lo_R,Hi_R);wing1 = idwt2(ca,wing,cv,cd,Lo_R,Hi_R);t1=cputime;figure,imshow(uint8(wing1)),title('Watermarked Image')
Best Answer