Look at the tutorials on using OpenCV with Java (and JavaFX) at: http://opencv-java-tutorials.readthedocs.org/en/latest/index.html
Source for the OpenCV with Java tutorials
Look at the tutorials on using OpenCV with Java (and JavaFX) at: http://opencv-java-tutorials.readthedocs.org/en/latest/index.html
Source for the OpenCV with Java tutorials