Aerial target infrared radiation brightness calculation method based on pixel-by-pixel calibration
The invention discloses an aerial target infrared radiance calculation method based on pixel-by-pixel calibration, which comprises an infrared detector and comprises a calibration link, an aerial target data acquisition link and an aerial target radiance calculation link. In the radiance calculation...
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| creator | YU CHAO WU PEIJIAN WEI BIN CHA HOON QIN HETAO ZHANG HAOYUAN MA XIN GAN SHIQI ZHANG XIAO WU TONGBANG SI WENTAO WANG WEICHAO YUAN GUANGFU CAI YISHUN GUO FUGUI |
| description | The invention discloses an aerial target infrared radiance calculation method based on pixel-by-pixel calibration, which comprises an infrared detector and comprises a calibration link, an aerial target data acquisition link and an aerial target radiance calculation link. In the radiance calculation step, an aerial target infrared radiance calculation model is constructed for an obtained aerial infrared image target according to a response gain coefficient matrix and an offset matrix obtained through calibration and atmospheric path radiation, sky background radiation and transmittance on a path between the target and infrared measurement obtained in the data acquisition step. And the radiation brightness of the target is obtained through the calculation model. According to the method, infrared radiation calibration is carried out on pixels of a detector focal plane array one by one, a response gain coefficient and a bias matrix are established, an air target infrared radiation brightness calculation model is |
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In the radiance calculation step, an aerial target infrared radiance calculation model is constructed for an obtained aerial infrared image target according to a response gain coefficient matrix and an offset matrix obtained through calibration and atmospheric path radiation, sky background radiation and transmittance on a path between the target and infrared measurement obtained in the data acquisition step. And the radiation brightness of the target is obtained through the calculation model. 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In the radiance calculation step, an aerial target infrared radiance calculation model is constructed for an obtained aerial infrared image target according to a response gain coefficient matrix and an offset matrix obtained through calibration and atmospheric path radiation, sky background radiation and transmittance on a path between the target and infrared measurement obtained in the data acquisition step. And the radiation brightness of the target is obtained through the calculation model. 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| subjects | COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING |
| title | Aerial target infrared radiation brightness calculation method based on pixel-by-pixel calibration |
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