Important considerations on the use of an integrating focal plane array camera in an optical recognition system

Details Important considerations on the use of an integrating focal plane array camera in an optical recognition system Important considerations on the use of an integrating focal plane array camera in an optical recognition system

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1308..334d&link_type=abstract

IN: Infrared detectors and focal plane arrays; Proceedings of the Meeting, Orlando, FL, Apr. 18, 19, 1990 (A91-36726 15-35). Bel

Computer Science

Charge Injection Devices, Focal Plane Devices, Image Intensifiers, Optical Correction Procedure, Sequencing, Analog To Digital Converters, Automatic Gain Control, Charge Coupled Devices, Optical Correlators, Video Equipment

Scientific paper

Two cameras used as output transducers in a time-sequenced templet-matching optical correction system are compared. One camera, a charge-injection device (CID) camera, is equipped with an image intensifier, automatic gain control (AGC), and a standard video output, while the second camera is a charge-coupled device (CCD) camera without an intensifier or AGC but with a computer interface custom-designed to use the camera's digital output. The cameras are used at the output of the optical correlator in order to integrate high frame-rate time-sequenced output correlation responses derived from binary phase-only filters. It is concluded that an image intensifier is the most important feature to have in a CCD or CID camera because the use of it results in a shorter integration time.

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