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Sobel Filter

asked 2016-04-23 06:22:25 -0500

updated 2016-04-23 16:48:01 -0500

i meet this page and wonder why output of SOBEL is different from cv::Sobel output.

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just when i was going to post my question i saw this question which has no answer yet.

maybe someone will give some information.

thanks in advance

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answered 2016-04-23 10:58:58 -0500

Tetragramm gravatar image

Indeed OpenCV does. It's called Structured Forests for fast Edge Detection and is in the ximgproc module. There's a tutorial HERE.

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i think my question is not clear. i will update to be more clear soon. anyway thank you for your answer.

sturkmen gravatar imagesturkmen ( 2016-04-23 16:35:58 -0500 )edit

Oh, I see. It doing some sort of skeletonization and flips the black/white OpenCV typically uses. The code, I think, comes from [HERE](, so give it a look.

Tetragramm gravatar imageTetragramm ( 2016-04-23 17:25:45 -0500 )edit
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Asked: 2016-04-23 06:22:25 -0500

Seen: 151 times

Last updated: Apr 23 '16