java.lang.NullPointerException
	at com.karthik.fattybooth.PickPictureActivity.cropForDetection(PickPictureActivity.java:253)
	at com.karthik.fattybooth.PickPictureActivity.doDetection(PickPictureActivity.java:368)
	at com.karthik.fattybooth.PickPictureActivity$RunFaceDetect.run(PickPictureActivity.java:490)
	at java.lang.Thread.run(Thread.java:1102)