Cross Reference: /external/opencv3/doc/py_tutorials/py_imgproc/py_thresholding/images

`Name`	`Date`	`Size`
Up to higher level directory
`ada_threshold.jpg`	21-Oct-2016	`70.9K`
`otsu.jpg`	21-Oct-2016	`35.1K`
`threshold.jpg`	21-Oct-2016	`15.2K`