Accession Number : ADD015229

Title :   Selective Readout of a Detector Array.

Descriptive Note : Patent, Filed 14 Sep 90, patented 15 Oct 91,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Levitt, Hal L ; Anderson, Gordon W ; Spezio, Anthony E

Report Date : 15 Oct 1991

Pagination or Media Count : 11

Abstract : An image processing system and method are provided which use a selectively accessed detector array comprised of subarrays. Regions of image activity are located within the detection array through readout of the activity determining elements. Each subarray is evaluated to determine whether any image activity has been detected by the corresponding subarray. Data is only read for the active subarrays. Thus, the activity indicator allows efficient transfer of relevant data from the detector array without requiring previous information. This results in reduced data flow and generally shorter readout cycles. The activity determination can be a non-destructive process so that data contained in the detection array remains available for sensor readout. This eliminates the need to perform one detector exposure cycle to determine activity and a second cycle to read out data from the detector.

Descriptors :   *ARRAYS, *DETECTORS, *IMAGES, *PATENTS, CYCLES, DETECTION, DETERMINATION, FLOW, IMAGE PROCESSING, INDICATORS, PROCESSING, REGIONS, TRANSFER

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE