Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1986-08-19
1989-01-17
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358169, 358164, 358174, H04N 5235, H04N 557
Patent
active
047991062
ABSTRACT:
Thermal imaging apparatus is provided with a comparator and a digital counter for counting the number of pixels in the scene within certain defined brightness bands. Utilizing this data, a microprocessor controls gain, level, gamma correction and integration for noise reduction.
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Moore William T.
Wallace Kenneth J.
Faris E. Anne
Groody James J.
Rank Pullin Controls Limited
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