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Re: Distinguishing between point-like and curve-like features [message #82810]

Wed, 16 January 2013 02:11

Mats Löfdahl
Messages: 263
Registered: January 2012

Senior Member

Den onsdagen den 16:e januari 2013 kl. 10:54:23 UTC+1 skrev karo03de:
> Am Dienstag, 15. Januar 2013 17:46:08 UTC+1 schrieb Mats Löfdahl:
>
>> Then I clean the mask with a morph_open operation to get rid of some raggedness of the edges of the "holes" in the mask.
>
>> This has worked fine, but I now have some images that have, in addition to the small features that I want to take out, also some high-amplitude curved fringes with similar width that I do _not_ want the mask to take out.
>
>
> What about applying top_hat operation, segmenting (threshold), (morph-) closing and size selection (histogram of labeled result) of the smaller conglomerates ? If that is not too time-consuming.

Yes, another good point. The curve-like features are usually larger in area so that makes for another criterion, once I have the regions.

Thanks.

/Mats

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[Message index]

		Re: Distinguishing between point-like and curve-like features By: Mats Löfdahl on Wed, 16 January 2013 02:11
		Re: Distinguishing between point-like and curve-like features By: karo03de on Wed, 16 January 2013 01:54
		Re: Distinguishing between point-like and curve-like features By: Mats Löfdahl on Wed, 16 January 2013 01:49
		Re: Distinguishing between point-like and curve-like features By: David Fanning on Tue, 15 January 2013 08:54

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