Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1987-01-27
1988-04-12
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 93, H04N 718
Patent
active
047378441
ABSTRACT:
A method for generating real-time control parameters by a video camera for smoke-generating combustion reactions is disclosed. In accordance with the method, a video camera is used for obtaining a video signal, which is digitized and filtered temporally and spatially. The digitized video signal is divided on the basis of its signal level distribution into signal subareas to reduce the quantity of processed information. The picture elements belonging to the same subarea are combined into contiguous image areas representing a certain signal level, the subareas are combined into an integrated image, subsequent images are averaged to eliminate random disturbance, and the averaged image is displayed on a display device. This method facilitates the real-time monitoring of a combustion process.
REFERENCES:
patent: 4520390 (1985-05-01), Paredes et al.
patent: 4628465 (1986-12-01), Ito et al.
patent: 4641257 (1987-02-01), Ayata
Kohola Pekka
Lilja Reijo
Ollus Martin
Sutinen Raimo
Tanskanen Petri
Britton Howard W.
Kostak Victor R.
Oy Nokia AB
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