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Image Segmentation built into MATLAB?!
Hi Philip, look at the function watershed. In addition, there is a very good example using morphological reconstruction. do...

14 years 前 | 0

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Draw normal to edge detection image
You can compute surface normals using the function surfnorm. Then, you can use quiver to draw the vectors. HTH, W.

14 years 前 | 0

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how to find mean of an image
m = mean(I(:));

14 years 前 | 2

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finding distance within a range of distance
How about [X,Y] = meshgrid(1:size(I,2),1:size(I,1)); ix = find(I == 5); d = hypot(bsxfun(@minus,X(ix),X(ix)'),bsxfun(@min...

14 years 前 | 0

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Are iterative methods always better than direct methods for solving large linear systems?
Why is performance a problem? Do you have to solve the system repeatedly or do you want to solve larger systems? If former is th...

14 years 前 | 1

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local variation of image
Hi, <http://www.mathworks.com/help/toolbox/images/ref/stdfilt.html> or doc stdfilt Hope this helps, Wolfgang

14 years 前 | 1

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Automatic cropping
You might find this function useful: <http://www.mathworks.com/matlabcentral/fileexchange/25354-cropmat> HTH, Wolfgang

14 years 前 | 0

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How to find row and column of a pixel in an Image?
Hi, what about this: [ROWS,COLUMNS] = ndgrid(1:size(I,1),1:size(I,2)); ROWS = ROWS(:); COLUMNS = COLUMNS(:); w...

14 years 前 | 0

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Grouping data according to the connected components, which may have a value 1 unit different
You might want to take a look at Tim Davis' function find_components ( <http://www.mathworks.com/matlabcentral/fileexchange/213...

14 years 前 | 0

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Ordinary Kriging
2D-interpolation using geostatistics

15 years 前 | 19 次下载 |

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