Subsection of the image processor is a professional large-screen graphics image processor, is used to create a seamless, multi-window (PIP), large screen display system with projectors and other display devices can be high-definition video, animation, pictures, charts, live images on a variety of multimedia file perfectly displayed on a large screen, to build a rich and colorful multimedia display center, widely used in the exhibition hall, conference, presentation halls and shopping malls and other large screen display applications.