Calibration and quantification method for gas imaging camera
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United States of America Patent
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Apr 26, 2016
Grant Date -
Oct 8, 2015
app pub date -
Jun 19, 2015
filing date -
Jul 6, 2012
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Abstract
The calibration/verification system and method for gas imaging infrared cameras standardizes the procedures to objectively and consistently check performance of gas imaging infrared cameras. This system includes a background board maintaining a uniform temperature, a target cell filled with a target compound and disposed in front of the background board, a reference cell filled with a reference compound and disposed in front of the background board, and an analyzer coupled to the camera that captures images of the gas cell and the reference cell. The analyzer compares the intensity difference and the temperature difference of rays passing through the target cell and reference cell to a reference relationship data of a quality control chart to determine whether the camera is in a working condition. The method is further extended to provide a quantitative measurement of a hydrocarbon plume from a gas imaging infrared camera.
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