License
Copyright (C) 2016 Maurice Betzel
Licensed either under the Apache License, Version 2.0, or (at your option) under the terms of the GNU General Public License as published by the Free Software Foundation (subject to the "Classpath" exception), either version 2, or any later version (collectively, the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
http://www.gnu.org/licenses/
http://www.gnu.org/software/classpath/license.html
or as provided in the LICENSE.txt file that accompanied this code. Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
PCA with JavaCV
https://github.com/bytedeco/javacv
Based on "Introduction to Principal Component Analysis (PCA) ":
http://docs.opencv.org/3.0.0/d1/dee/tutorial_introduction_to_pca.html