Added 'EqualizeHist' function
Added 'EqualizeHist' function

go-opencv/go-opencv,lazywei/go-opencv,go-opencv/go-opencv,lazywei/go-opencv,ronoaldo/go-opencv,lazywei/go-opencv,ronoaldo/go-opencv,qwantix/go-opencv,qwantix/go-opencv,ronoaldo/go-opencv,qwantix/go-opencv,go-opencv/go-opencv