Cross Reference: /external/opencv3/modules/viz/doc/images

`Name`	`Date`	`Size`
Up to higher level directory
`cpw1.png`	24-Aug-2016	`4.2K`
`cpw2.png`	24-Aug-2016	`3.5K`
`cpw3.png`	24-Aug-2016	`17.3K`
`cube_widget.png`	24-Aug-2016	`6.4K`