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hello every one
im searching for a method to detect image concavity
that is ..a concave exists in this image or not .. and its degree

thanks..

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Last Post by dima shawahneh
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I found the question interesting, so I decided to look around the internet a little. It's an interesting topic--what are you using it for?

Anyway, I did run into this link containing what looks like some well-written shape analytics. Although I have not looked into it deep enough to determine whether the value it returns for NOT convex is reliable, which the comments indicate it is then concave, I thought it was worthy of passing along: Shapes.cs

I should point out that the code requires other libraries, but I believe it is all open source. Just search for the required namespace and include the word "library" (eg "ActiveAppearanceModel library") on the Koders.com website. In that example I gave, it will bring up a link to the ActiveAppearanceModel.cs file...click on it and it will bring up a page where the project link is located: ActiveAppearanceModel.cs, and project links to the left..., etc.

Edited by DdoubleD: n/a

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thanks a lot :)
I'm now having a deep look to check if it could help or not

as an answer for your question:
this is an idea that could help me in distinguishing between two images .. each image represents a character ..
related to my project : handwriting recognition ..

i will reply again after checking if it is working or not..
thanks again

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Sure. I added an edit to the end of my post and wasn't sure if you saw it, so take another peek...

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i think im having a search problem..i think that i should find dll
for ActiveAppearanceModel and C5 and dnAnalytics needed in source file we are talking about
but i searched finding no suitable results :(

ddanbe
im afraid ur site is not working
can u check it plz

thanks all

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i think im having a search problem..i think that i should find dll
for ActiveAppearanceModel and C5 and dnAnalytics needed in source file we are talking about
but i searched finding no suitable results :(

ddanbe
im afraid ur site is not working
can u check it plz

thanks all

I think you need to register and install Subversion software to obtain packaged projects--it's an open-source group project. From what I could see, you can still obtain/download all of the files, including the project files, and add them to your solution. I realize that is a lot of work for just wanting to check into it...

As far as that link ddanbe gave you, there is a minor typo in the address. Just delete the last two characters from the address in your browser window and it will navigate to the site. EDIT: Silly me, here is the correct address: Concave Hull

Edited by DdoubleD: n/a

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Java,yes:yawn: Life can be hard sometimes when you are a C# programmer. But if I were you I would go searching the net for algorithms. Even if they where written in Klingon, I would start to learn Klingon

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some times we are limited by time and can't learn any thing
specially if we only want to check it working or not..

despite of all of this,i appreciate what u said
thanks

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