| 摘要 |
PROBLEM TO BE SOLVED: To provide a far-infrared imaging apparatus and an output value correction method in which absolute temperature of a photographing object can be presumed from an output value of an imaging element by calculating the offset correction value so that the output value of the imaging element is corrected to a value corresponding to the absolute temperature. SOLUTION: A plurality of imaging elements are arranged in a matrix shape, and the far-infrared imaging apparatus calculates the offset correction value which corrects an output value of each imaging element for predetermined temperature, calculates a gain correction value which corrects difference of output values of each imaging element for a predetermined temperature variation ratio, corrects the output value of each imaging element by the offset correction value and the gain correction value, and obtains the imaging data. Since surface temperature is nearly the same, it measures the surface temperature of a shutter which opens and closes an aperture which makes a light input to the imaging element, and calculates the offset correction value of each imaging element based on the output value of each imaging element in a condition that the shutter is closed and the measured surface temperature. COPYRIGHT: (C)2007,JPO&INPIT
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