I am working on Imdian currency recognition and developed the code for same but some errors are troubling me. Please check.
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    deepika
 on 28 Mar 2019
  
    
    
    
    
    Answered: Walter Roberson
      
      
 on 28 Mar 2019
            clear all;
close all;
clc;
vid=videoinput('winvideo',1,'YUY2_320x240');
set(vid,'FramesPerTrigger',Inf);
set(vid,'returnedColorspace','rgb');
vid.FrameGrabInterval=5;
start(vid);
while(vid.FramesAcquired<=10)
    data=getsnapshot(vid);
%     image(data)
end
stop(vid);
image(data);
h = imrect;
pos = getPosition(h);
strip11=imcrop(data,pos);
figure;
imshow(strip11);
%imwrite(strip11,'k2000.jpg');
im1=imread('note2000.jpg');
im1=imresize(im1,[200,600]);
%[m,n,l]=size(im1);
figure;
subplot(2,2,1);
imshow(im1);
a=kavi_feature(im1);
%im2=imread('note500.jpg');
im=imresize(strip11,[200,600]);
%[m,n,l]=size(im1);
figure;subplot(2,2,1);imshow(im);
b=kavi_feature(im);
 d=dist(a,b');
if(d<40743.1616752612) 
   disp('note is same')
else
   disp('note is different');
end
function final_out = kavi_feature(im) 
[m,n,l]=size(im);
a=double(im)/255;
R=a(:,:,1);
G=a(:,:,2);
B=a(:,:,3);
num=(1/2)*((R-G)+(R-B));
denom=((R-G).^2+((R-B).*(G-B))).^0.5;
H=acos(num./denom);
H(B>G)=360-H(B>G);
H=H./360;
%subplot(2,2,2);imshow(h);
S=1-(3.*min(a,[],3));
%subplot(2,2,3);imshow(s);
I=(R+G+B)/3.255;
%subplot(2,2,4);imshow(i);
HSI(1:m,1:n,1:l)=0;
HSI(:,:,1)=H(:,:);
HSI(:,:,2)=S(:,:);
HSI(:,:,3)=I(:,:);
h=HSI(:,:,1);
s=HSI(:,:,2);
i=HSI(:,:,3);
subplot(2,2,2);h3=imhist(h);
subplot(2,2,3);imhist(s);
subplot(2,2,4);imhist(i);
y=mean(a(:));
y1 = var(a(:));
y2 = std(a(:)) ;
 A=[h3' y y1 y2];
C1 = colorAutoCorrelogram(im);
h1 = hsvHistogram(im);
w = waveletTransform(im);
 final_out=[A,C1,h1,w];
End
1 Comment
Accepted Answer
  Walter Roberson
      
      
 on 28 Mar 2019
        https://www.mathworks.com/matlabcentral/fileexchange/42008-content-based-image-retrieval defines colorAutoCorrelogram. 
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