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 ImageEn Library for Delphi, C++ and .Net
 ImageEn and IEvolution Support Forum
 Edge detection
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c.basso

Italy
36 Posts

Posted - Jun 15 2015 :  11:51:13  Show Profile  Reply
Hi,
I'm trying to use EdgeDetect_ShenCastan to detect edge on my image.
On small images it works good,
but for bigger images it's useless.
I've tryed to change every settings, with no luck,
what's the trick to make it work?

Thanks





Claudio

xequte

38510 Posts

Posted - Jun 16 2015 :  19:24:42  Show Profile  Reply
Hi Claudio

What specifically are you looking to do?

The next version of IEVision will support Canny/Hough line detection (lines found in an image returned as vectors). If you are an IEVision user, email me for a prerelease.

Here are some results from a quick test with your image:



Nigel
Xequte Software
www.xequte.com
nigel@xequte.com
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c.basso

Italy
36 Posts

Posted - Jun 17 2015 :  00:14:36  Show Profile  Reply
Ok,
I solved using Sobel edge detection, it works as expected.

Thanks.

Claudio
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