Video system having an adjustable digital gamma correction for contrast enhancement

摘要: A video system having a television camera, digital signal processor coupled to the output of camera and monitor is disclosed. The includes an analog converter for converting signals into data, frame memory processing temporarily storing random access device in which data altered accordance with contents table-look-up written therein, read only containing plurality different table-look-ups, each representing gamma correction, central unit obtaining from then writing manually operated control selecting out processed signals.