Itseez/opencv — pull request #2470 by ilya-lavrenov (2014-03-12 12:43:22+00:00)
Title: T-API: 3-channel reduction operations

merge with opencv_extra https://github.com/Itseez/opencv_extra/pull/158
check_regression=*OCL*Sum*:*OCL*MinMaxLoc*:*OCL*Norm*:*OCL*MeanStdDev*:*OCL*UMatDot*