Programmable image-transformation system

摘要: Data to be stored in a frame buffer (12) that stores data representing an image are drawn from look-up table (34). The (34) contains conversion and is addressed by the output of multiplexer circuit (24). (24) receives its inputs port (12), register (42), analog-to-digital converter (22) converts video camera (20) digital signals. In response different values on selection-signal lines (36), assembles address it applies combinations outputs analog-to-digital-converter (22). By changing selection signals applied (24), possible employ same image-processing system (10) perform functions, such as gamma correction, contrast variation, iamge-from-image subtraction, multiple-image averaging.