BlobDetection for Unity texture2D
port from
http://www.v3ga.net/processing/BlobDetection/
http://www.kynd.info/dev/2009/05/flash-finding-objects-from-a-photo.html
https://code.google.com/p/redlib-as3/source/browse/trunk/src/org/redblind/bitmapdata/BlobDetection.as?r=29
その他参考
http://thomasdiewald.com/blog/?p=1107
http://thomasdiewald.com/processing/libraries/diewald_CV_kit/
https://github.com/diwi/diewald_CV_kit/tree/master/diewald_CV_kit/src