coonerDetector.asv

load('BW.mat','BW');
I = imread('9.jpg');
%I= I.*BW;
I =rgb2gray(I);
C = corner(I,300);
noOfCorners = size(C);
noOfCorners = noOfCorners(1);
r = [];
c = [];
for i=1:noOfCorners
    if (BW(C(i,2),C(i,1))==1)
        r = [r; C(i,2)];
        c = [c; C(i,1)];
    end 
end

cr = [];
cc = [];
noOfCorners = length(r);
isAllocated = zeros(1,noOfCorners);

for i=1:noOfCorners
    if (isAllocated(i) ~= 1)
        isAllocated(i) = 1;
        count = 1;
        cenR = r(i); cenC = c(i);
        for j=1:noOfCorners
            if (i~=j)
                distance = (r(i)-r(j))^2+(c(i)-c(j))^2
                if distance<3000
                    isAllocated(j) = 1;
                    count = count + 1;
                    cenR = cenR + r(j);
                    cenC = cenC + c(j);
                end
            end
        end
        cenR = cenR /count;
        cenC = cenC /count;
        cr = [cr; cenR];
        cc = [cc; cenC];
    end
    
end 

radii =25*ones(1,length(cc));
centers = [cc,cr];
imshow(I);
hold on
plot(c, r, 'r*');
viscircles(centers,radii);