Jerome
Posts:
48
Registered:
12/9/11


Re: Out of bound Error
Posted:
Feb 20, 2013 11:10 AM


The size of cyy however, is 700 x 900
"Jerome " <the_rome@hotmail.com> wrote in message <kg2pl4$803$1@newscl01ah.mathworks.com>... > I get the following error and I am unsure how to fix it. I tried to edit the rows and cols but it seems not to work. Does anyone know a quick fix to this problem: > > ??? Attempted to access cyy(1,901); index out of bounds because > size(cyy)=[700,900]. > > Error in ==> snake at 31 > eterm(i,j) = (cyy(i,j)*cx(i,j)*cx(i,j) 2 > *cxy(i,j)*cx(i,j)*cy(i,j) + > cxx(i,j)*cy(i,j)*cy(i,j))/((1+cx(i,j)*cx(i,j) + > cy(i,j)*cy(i,j))^1.5); > > > The following code is listed below: > image = imread(image.jpg); > > %parameters > N = 100; > smth = rgb2gray(image); > > % Calculating size of image > [row col] = size(image); > > eline = smth; %eline is simply the image intensities > > [grady,gradx] = gradient(double(smth)); > > eedge = 1 * sqrt ((gradx .* gradx + grady .* grady)); %eedge is measured by gradient in the image > > m1 = [1 1]; > m2 = [1;1]; > m3 = [1 2 1]; > m4 = [1;2;1]; > m5 = [1 1;1 1]; > > cx = conv2(smth,m1,'same'); > cy = conv2(smth,m2,'same'); > cxx = conv2(smth,m3,'same'); > cyy = conv2(smth,m4,'same'); > cxy = conv2(smth,m5,'same'); > > for i = 1:row > for j= 1:col1 > % eterm as deined in Kass et al Snakes paper > eterm(i,j) = (cyy(i,j)*cx(i,j)*cx(i,j) 2 *cxy(i,j)*cx(i,j)*cy(i,j) + cxx(i,j)*cy(i,j)*cy(i,j))/((1+cx(i,j)*cx(i,j) + cy(i,j)*cy(i,j))^1.5); > end > end

