application of spatial filter mask

2013 1 14
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hello i have a image and i like to detect the horizontal lines of well-defined thickness and retrieve their numbers and length. how come with spatial filter mask.
a=[1 1 1 1 1 1 1;0 0 0 0 0 0 0;-1 -1 -1 -1 -1 -1 -1]
b=[-1 -1 -1 -1 -1 -1 -1;0 0 0 0 0 0 0;1 1 1 1 1 1 1]
these masks are based on the directional prewitt filter
please help me

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esser maalaoui
esser maalaoui 2013-1-14
I do not understand is how the insertion of the image
Image Analyst
Image Analyst 2013-1-14
I don't even understand what you said. Perhaps rephrase it, or get a better English speaker to help you.

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回答（1 个）

Image Analyst
Image Analyst 2013-1-14

0 个投票

Use conv2() or imfilter():
edgeImage = conv2(yourImage, a, 'same');

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