Hi Hugo, thanks for your answer. With the two methods you mentioned it is not possible for me to detect a monochrome page. The average color of a monochrome page is useless in this case because the color is not fix (bad scans etc.). I need something like a inverted IsBlank() method which checks, if ...

Hello forum, I use the GdPicture Imaging SDK to optimize scanned images and recognize blank pages. Now our customer has a new requirement. He has some colored separator sheet and whishes, that we automatically recognize it and remove this page. Attached you can find an example of such a page (had er...