Can anyone help me to solve my last line matlab error? When I use haar transfrom, it works perfect, but when I use db2, the last figure could not come, please help.
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Fauzia Yasmeen
il 5 Mar 2020
Commentato: Fauzia Yasmeen
il 8 Mar 2020
clear all; close all;
a=imread('fauzia.jpg');
x=imresize(a,[1024 1024]);
[xar,xhr,xvr,xdr]=dwt2(x(:,:,1),'db2');
[xag,xhg,xvg,xdg]=dwt2(x(:,:,2),'db2');
[xab,xhb,xvb,xdb]=dwt2(x(:,:,3),'db2');
xa(:,:,1)=xar;xa(:,:,2)=xag;xa(:,:,3)=xab;
xh(:,:,1)=xhr;xh(:,:,2)=xhg;xh(:,:,3)=xhb;
xv(:,:,1)=xvr;xv(:,:,2)=xvg;xv(:,:,3)=xvb;
xd(:,:,1)=xdr;xd(:,:,2)=xdg;xd(:,:,3)=xdb;
figure,imshow(xa/255);
figure,imshow(xh);
figure,imshow(xv);
figure,imshow(xd);
x1=[xa*0.003 log10(xv)*0.3;log10(xh)*0.3 log10(xd)*0.3];
figure;imshow(x1)
[xaar,xhhr,xvvr,xddr]=dwt2(xa(:,:,1),'db2');
[xaag,xhhg,xvvg,xddg]=dwt2(xa(:,:,2),'db2');
[xaab,xhhb,xvvb,xddb]=dwt2(xa(:,:,3),'db2');
xaa(:,:,1)=xaar;xaa(:,:,2)=xaag;xaa(:,:,3)=xaab;
xhh(:,:,1)=xhhr;xhh(:,:,2)=xhhg;xhh(:,:,3)=xhhb;
xvv(:,:,1)=xvvr;xvv(:,:,2)=xvvg;xvv(:,:,3)=xvvb;
xdd(:,:,1)=xddr;xdd(:,:,2)=xddg;xdd(:,:,3)=xddb;
figure,imshow(xaa/255);
figure,imshow(xhh);
figure,imshow(xvv);
figure,imshow(xdd);
x11=[xaa*0.001 log10(xvv)*0.3;log10(xhh)*0.3 log10(xdd)*0.3];
figure;imshow(x11)
[r,c,s] = size(xv);
figure;imshow([x11(1:r,1:c,:) xv*0.05; xh*0.05 xd*0.05])
[xaaar,xhhhr,xvvvr,xdddr]=dwt2(xaa(:,:,1),'db2');
[xaaag,xhhhg,xvvvg,xdddg]=dwt2(xaa(:,:,2),'db2');
[xaaab,xhhhb,xvvvb,xdddb]=dwt2(xaa(:,:,3),'db2');
xaaa(:,:,1)=xaaar;xaaa(:,:,2)=xaaag;xaaa(:,:,3)=xaaab;
xhhh(:,:,1)=xhhhr;xhhh(:,:,2)=xhhhg;xhhh(:,:,3)=xhhhb;
xvvv(:,:,1)=xvvvr;xvvv(:,:,2)=xvvvg;xvvv(:,:,3)=xvvvb;
xddd(:,:,1)=xdddr;xddd(:,:,2)=xdddg;xddd(:,:,3)=xdddb;
figure,imshow(xaaa/255);
figure,imshow(xhhh);
figure,imshow(xvvv);
figure,imshow(xddd);
x111=[xaaa*0.001 log10(xvvv)*0.3;log10(xhhh)*0.3 log10(xddd)*0.3];
figure,imshow(x111);
[r,c,s] = size(xvv);
figure;imshow([[x111(1:r,1:c,:) xvv*0.05; xhh*0.05 xdd*0.05] xv*0.05; xh*0.05 xd*0.05]);
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Risposta accettata
KALYAN ACHARJYA
il 5 Mar 2020
Modificato: KALYAN ACHARJYA
il 5 Mar 2020
It's the issue with concanatation (Dimention Mismatch) , Here I have choosen one test image to check. Lets simply to get the issue
a2=xvv*0.05; %258x258x3
a3=xhh*0.05; %258x258x3
a4=xdd*0.05; %258x258x3
a5=xv*0.05; %258x258x3
a6=xh*0.05; %258x258x3
a7=xd*0.05; %258x258x3
a=[a1 a2; a3 a4]; %516x516x3
result=[a a5;a6 a7];
See the dimention mismatch with a, hence it shows the error, pleasse do modify, so that concanatation works
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