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line detection ?

asked 2013-02-24 06:55:54 -0500

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I've got an assignment as follow: "Using cvFilter functiom with the suitable kernels in order to scan a picture and then only hold lines that are +- 45 degree and +- 60 degree".

i hope someone can give me some clues, especially how to calculate the kernels ! ^~^

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answered 2013-02-24 08:19:00 -0500

Guanta gravatar image

For line detection you need to get the edges of the image, i.e. probably the sobel-filter is your friend, for the detection-part you can use HoughLines. From these you can easily compute the angles and keep only those satisfying your constraints.

By the way: This Q&A forum is not intend to solve your programming tasks. Please also use its search-function first.

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Asked: 2013-02-24 06:55:54 -0500

Seen: 3,053 times

Last updated: Feb 24 '13