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RADIOMETRIC MULTI-SPECTRAL OR HYPERSPECTRAL CAMERA ARRAY USING MATCHED AREA SENSORS AND A CALIBRATED AMBIENT LIGHT COLLECTION DEVICE
RADIOMETRIC MULTI-SPECTRAL OR HYPERSPECTRAL CAMERA ARRAY USING MATCHED AREA SENSORS AND A CALIBRATED AMBIENT LIGHT COLLECTION DEVICE
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机译:使用匹配区域传感器和校准环境光收集装置的放射学多光谱或超光谱相机阵列
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摘要
Embodiments pertain to a method and apparatus for imaging discrete bands of the spectrum of a target and calculating the true absorption/reflectance of the target with reference to a static ambient light sensor for each of the bands of the spectrum implemented in the device. In specific embodiments, an array of cameras, each with a separate band pass filter, is used to acquire images simultaneously. Embodiments can allow an operator of a multi-spectral or hyperspectral camera array to create accurate radiometric images of crops, minerals, or other subjects of interest, so that the chemical composition, surface condition, and/or other characteristics can be accurately analyzed. An embodiment can use matched area sensors to separately collect images of the target and a calibration image via a bundle of optical fibers with remotely located, matching, band pass filters.
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