Undefined function or variable 'segPic'.

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vetri veeran
vetri veeran 2014-10-27
评论： Geoff Hayes 2014-10-27
My code is
din=imread('Pic1.jpg');
[rows, columns, numberOfColorBands] = size(din)
if numberOfColorBands > 1 din = din(:, :, 2); % Take green channel.
end
figure(1); imshow(din) figure(2); imhist(din)
BW = roicolor(din, 75, 255); figure(3), imshow(BW)
dout = double(din < 70);
grass = double(segPic == 0)*100; figure (3); imagesc(grass)
road = double(bwareaopen(segPic, 1000))*255; figure(4); imshow(road)
tree = + road; figure(3); imagesc(tree); axis image axis off
I am getting an error as,
Undefined function or variable 'segPic'.
Error in segmentation1 (line 24) grass = double(segPic == 0)*100;
  1 个评论
Geoff Hayes
Geoff Hayes 2014-10-27
Vetri - the error message is telling you that you haven't defined the variable (or function) segPic before trying to use it. Your code seems to suggest that this is a matrix and that you wish to find all zeros in it. What are you assuming that segPic is (segmented picture?) and what are you attempting?

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