Itseez/opencv_extra — pull request #58 by leszekhanusz (2013-08-19 17:13:47+00:00)
Title: Add PNG images of color_type PNG_COLOR_TYPE_PALETTE to solve issue 3075

http://code.opencv.org/issues/3075

The patch + test can be found here :

https://github.com/leszekhanusz/opencv