Java OpenCV Bindings
Solution 1:
I have just found this, a java wrapper of OpenCV : https://github.com/bytedeco/javacv
Not tested, but I would love to have your point of view about this.
Solution 2:
JavaCV is Java wrapper of OpenCV : https://github.com/bytedeco/javacv Here is good tutorial on eclipse project configuration for JavaCV
And few applications using JavaCV is also posted there.
Solution 3:
OpenCV now has an official Desktop Java port. It is still a work-in-progress and you have to compile opencv, but you should definitely take a look as it will be much friendly than JavaCV.
Take a look at these links for information:
http://answers.opencv.org/question/2137/wrapping-opencv-with-desktop-java-building-for-64/
And this:
http://code.opencv.org/projects/opencv/repository/revisions/fe0d07ae53ba9e6dcd1e470165ed0a85cbfce006
UPDATE (Fev 2013):
Java bindings have been released.
Solution 4:
javacv looks pretty good, works with my webcam and images in a custom format. I'm just still looking for a possibility to performant create an IplImage from an array of floats.
Solution 5:
I found this forum post where people are attempting pretty much the same thing: http://nuigroup.com/forums/viewthread/3531/#44302