Automatic contrast and brightness control system for thermal ima

Details Automatic contrast and brightness control system for thermal ima Automatic contrast and brightness control system for thermal ima

Filed on

1992-02-14

Date issued

1993-07-06

Examiner

Britton, Howard W.

Patent Class

Facsimile and static presentation processing

SubClass

Facsimile

SubSubClass

Specific signal processing circuitry

Other Related Categories

358168, 358169, 358183, H04N 533, H04N 537, H04N 718

Type

Patent

Status

active

Patent number

052259030

Description

ABSTRACT:
An automatic contrast and brightness control system for thermal image apparatus in aircraft utilizes a section from the thermal image adapted to the flight and topography conditions to form the actual value with the section being shifted in dependence upon the image content.

REFERENCES:
patent: 4618892 (1986-10-01), Kawaguchi
patent: 5083204 (1992-01-01), Heard

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