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22 May 2014 A novel IR polarization imaging system designed by a four-camera array
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Abstract
A novel IR polarization staring imaging system employing a four-camera-array is designed for target detection and recognition, especially man-made targets hidden in complex battle field. The design bases on the existence of the difference in infrared radiation’s polarization characteristics, which is particularly remarkable between artificial objects and the natural environment. The system designed employs four cameras simultaneously to capture the00 polarization difference to replace the commonly used systems engaging only one camera. Since both types of systems have to obtain intensity images in four different directions (I0 , I45 , I90 , I-45 ), the four-camera design allows better real-time capability and lower error without the mechanical rotating parts which is essential to one-camera systems. Information extraction and detailed analysis demonstrate that the caught polarization images include valuable polarization information which can effectively increase the images’ contrast and make it easier to segment the target even the hidden target from various scenes.
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Fei Liu, Xiaopeng Shao, and Pingli Han "A novel IR polarization imaging system designed by a four-camera array", Proc. SPIE 9124, Satellite Data Compression, Communications, and Processing X, 912419 (22 May 2014); https://doi.org/10.1117/12.2050116
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