how can i get the horizontal and vertical pixel differences of the image

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mahesh chathuranga
mahesh chathuranga 2013-9-27
回答： Image Analyst 2013-9-27
how can i get the horizontal and vertical pixel differences of the image. after that how can i combine this two images of horizontal and vertical pixel differences. finally i want to see the horizontal and vertical edges in one image.how can i do this.can any one help me with codes

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Walter Roberson
Walter Roberson 2013-9-27
diff(double(TheImage))

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Image Analyst
Image Analyst 2013-9-27
In the Image Processing Toolbox, you can use imgradient() with the 'Roberts' filter option.

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