Patents Represented by Attorney Gordon R. Lindeen, IIII
  • Patent number: 5721427
    Abstract: A nonuniformity correction processor (30) adapted for use with a focal plane array of detectors. The inventive processor (30) includes a nonuniformity correction circuit (32, 38, 42, 53, 54, 56, 58) for generating current nonuniformity correction terms (32) and applying the terms to information (26) received from the scene via the focal plane array of detectors. A triggering circuit (44) selectively enables the nonuniformity correction circuit (32, 38, 42, 53, 54, 56, 58) in response to a motion signal (50) from a motion detector (40, 46, 48, 52). In a specific embodiment, the nonuniformity correction circuit (32, 38, 42, 53, 54, 56, 58) further includes a filtering circuit (38) for generating intermediate nonuniformity correction terms (42, 53) in response to the scene information (26) received from the focal plane array of detectors.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: February 24, 1998
    Assignee: Hughes Electronics
    Inventors: Spencer W. White, Donald F. King