somewhere on old forum messages i saw that image sizes can get to ~4gb
if i allocate an image which is 36000 x 26000 x 3 (~2.8gb)
I get an error in function ippiRGBToGray_8u_C3C1R
with ippiCopy_8u_C3R , i get ippStsSizeErr
All works Ok until the image size is int.MaxValue->2147483647