A transmission apparatus for video information is disclosed. The apparatus has an input part for inputting video; a level information generation part for generating level information of each pixel on a screen; a memory part for storing the level information of each pixel in the entire region of the screen;...http://www.google.de/patents/US7082612?utm_source=gb-gplus-sharePatent US7082612 - Transmission apparatus of video information, transmission system of video information and transmission method of video information
