KNN search using flann in JavaCV.
References: https://github.com/bytedeco/javacv/blob/master/src/main/java/org/bytedeco/javacv/ObjectFinder.java https://searchcode.com/codesearch/view/92290750/ http://docs.opencv.org/2.4/modules/flann/doc/flann_fast_approximate_nearest_neighbor_search.html#flann-index-t-knnsearch
Compile: mvn package -Dmaven.test.skip.exec
Run: mvn exec:java -Dexec.mainClass="org.cripac.isee.knn.JavaKnn"