Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-06-20
1992-04-28
Kostak, Victor R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
364557, 374141, 358110, H04N 718
Patent
active
051092778
ABSTRACT:
A temperature-imaging system for generating an absolute temperature value for a point of interest on a monitored surface is disclosed. The system includes a camera and a temperature analyzer. The camera gathers video image data related to surface intensity and reference temperature data related to the absolute temperature at a reference point on the surface. The camera is configured so that the reference point is a fixed known point in the surface intensity image that moves with the movement of the camera. Thus, the reference temperature to reference point relationship is fixed. In operation, a video image and the reference temperature data are passed to the temperature analyzer. The temperature analyzer determines the absolute-temperature at a preselected point of interest on the surface. The temperature analyzer identifies the portion of the video image corresponding to the point of interest, and identifies the portion of the video image related to the reference point. The temperature analyzer generates an absolute temperature value for the point of interest by analyzing the reference temperature data, and the video image intensities related to the reference point and the point of interest. Because of the fixed relationship between the reference temperature data and the reference point in the video image, the system is always well calibrated and provides accurate absolute temperature outputs.
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Kostak Victor R.
Quadtek, Inc.
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