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Driver.m
clear all
close allI1 = getnewvector('metal/metal3.JPG',800, 700, 1400, 800);
I2 = getnewvector('metal/metal1.JPG',800, 700, 1400, 800);I3 = getnewvector('metal/metal2.JPG',800, 700, 1400, 800);
I4=getnewvector('down1.JPG',800, 700, 1400, 800);I5=getnewvector('down2.JPG',800, 700, 1400, 800);
I6=getnewvector('down3.JPG',800, 700, 1400, 800);% need to rescale all images here
[x, y,I1]=getcenter(I1);
[x1, y1,I2]=getcenter(I2);
[x2, y2,I3]=getcenter(I3);
[x3, y3,I4]=getcenter(I4);
[x4,y4,I5]=getcenter(I5);
[x5,y5,I6]=getcenter(I6);
[theta1, r1]= polarize(I1, [x,y]);[theta2, r2] = polarize(I2, [x1,y1]);
[theta3, r3]= polarize(I3, [x2,y2]);[theta4, r4] = polarize(I4, [x3,y3]);
[theta5, r5]= polarize(I5, [x4,y4]);[theta6, r6] = polarize(I6, [x5,y5]);
interval=pi/18;[ counter1, dividedData1 ] = divideIntoBins(theta1, r1, interval);[ counter2, dividedData2 ] = divideIntoBins(theta2, r2, interval);[ counter3, dividedData3 ] = divideIntoBins(theta3, r3, interval);[ counter4, dividedData4 ] = divideIntoBins(theta4, r4, interval);[ counter5, dividedData5 ] = divideIntoBins(theta5, r5, interval);[ counter6, dividedData6 ] = divideIntoBins(theta6, r6, interval);counter2 = counter2/(length(theta2));
counter3 = counter3/(length(theta3));counter1 = counter1/(length(theta1));
counter4 = counter4/(length(theta4));counter5 = counter5/(length(theta5));
% figure;% subplot(3,1,1);
% plot(counter1);% subplot(3,1,2);
% plot(counter2);% subplot(3,1,3);
% plot(counter3);disp(norm(counter1-counter2,2));
disp(norm(counter1-counter3,2));disp(norm(counter1-counter4,2));
disp(norm(counter1-counter5,2));%n1=(norm(counter2,1)+norm(counter3,1))/2
%n2=(norm(counter4,1)+norm(counter5,1)+norm(counter6,1))/3%
% % comparing within the same category% v1 = getnewvector('vulcan1.JPG');
% v2 = getnewvector('vulcan2.JPG');% v3 = getnewvector('vulcan3.JPG');
% d = zeros(3,1);% inner = zeros(3,1);
% [d(1),inner(1)]= getdistance(v1,v2);
% [d(2),inner(2)]= getdistance(v2,v3);
% [d(3),inner(3)]= getdistance(v1,v3);
% %
Getnewvector.m
function I=getnewvector(filename, XMIN, YMIN, WIDTH, HEIGHT)
I=imread(filename);I=imcrop(I,[XMIN, YMIN, WIDTH, HEIGHT]); %cropI=rgb2gray(I);
filter12=fspecial('gaussian',[20,20],20); %lowpass filter
I=imfilter(I,filter12);% figure;
% imshow(I);%I=imcontour(I,1);
% magical contour algorithm %get rid of unconnected dots and get the largest connect part which is our handI=mean(double(I)/255,3)>0.5;
[L,N]= bwlabel(I,4);
s=zeros(1,N);for i=1:N,
s(i)=sum(L(:)==i);end;
[t,ind]=max(s);
I=double(L==ind);% figure;
% imshow(I);% filter12=fspecial('gaussian',[17,17],17);% I=imfilter(I,filter12);
figure;imshow(I);
% I = imresize(I,[1601 1601]);
% I = im2bw(I,.6);end
Getcenter.m
% get the center of the contour image
% output the center coordinate, and the edged imagefunction [x,y,Iout]=getcenter(I)[m, n]=size(I);a=sum(sum(I));
rowindex=zeros(a,1);colomnindex=zeros(a,1);
number1=0;for i=1:m,
for j=1:n,if I(i,j)==1
number1=number1+1;rowindex(number1,1)=i;
colomnindex(number1,1)=j;end
endend
x=mean(rowindex);size(x);
x=round(x);y=mean(colomnindex);
y=round(y);Iout = edge(I,'canny');
end
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