Java API Edge

Hi,
     I need java API for edge algorithm
Thanks,
Pradeep D
LVL 5
deeppraAsked:
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deeppraAuthor Commented:
Edge detection algorithm
InteractiveMindCommented:
Check out: http://www.jhlabs.com/
Particular the Java Image Editor.

Or, better yet, checkout the JIU API: http://jiu.sourceforge.net/
deeppraAuthor Commented:
I didnt get any Edge detection algorithm in the above link
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StillUnAwareCommented:
look for Canny Edge Detector algorithm, it's the one and the only - it's best You'll ever find. Once I found an implementation of it:

http://homepages.inf.ed.ac.uk/rbf/HIPR2/cannydemo.htm
mightyoneCommented:
Implementing should not be that dificult,
google for dijkstra, traversal, BFST, FST, DFST, Vertex

for visualisation you may use com.jgraph.JGraph
deeppraAuthor Commented:
ya i went to this link and i downloaded the canny source code
http://homepages.inf.ed.ac.uk/rbf/HIPR2/cannydemo.htm

This code refer to another class GaussianSmoothing, where can i find this class ??

Is there any API available for edge dection so that i can use it in my project???
StillUnAwareCommented:
As I can see, You are not used to Internet a lot:

http://homepages.inf.ed.ac.uk/rbf/HIPR2/flatjavasrc/
deeppraAuthor Commented:
what is the value of size parameter ???

public int [] apply_canny(int [] src_1d, int width, int height, int size,
    float theta, int lowthresh, int highthresh,
    float scale, int offset)

Tell me any samples values for this parameter ??

Thank you
 
StillUnAwareCommented:
size is Gaussian kernel size. Best values would be any of these: n*2+1, where n is natural (>=1), that would be 3, 5, 7, 9...

This value is the one which mostly changes what result You'll get.
deeppraAuthor Commented:
I am using the Edge detection algorithm to find the obstracles in an image for a simple robo. Can i use this algorithm for this robo??

I want to know what r the parameters in the canny and give their meaning and suggest the values for this parameter to find clearly the obstracles
StillUnAwareCommented:
Here is a sample images and values passed to function:

http://www.geocities.com/andriusburokas/im1.jpg

BTW, I had to slightly modify the code I found for it met my needs.

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