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20 May 2009 Analysis of polarimetric characteristics of camouflage targets
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The performance of camouflage targets recognition using visible and infrared images is limited by the low contrast in intensity for complex backgrounds. We are developing a polarization imaging technique where, in each image pixel, the polarization data is used to recognize camouflage targets. In the paper, the rationale of detection equipment is demonstrated and we analysis, using polarization images will significantly improve the performance of camouflage targets detection. Images are generated by using polarization degree and polarization angle of scattered light from the surface of camouflage targets. By using Multispectral CCD Polarization Camera, polarimetric characteristics of camouflaged targets and clutter background are measured and images of polarization degree and polarization angle are taken. Results indicate that polarimetric characteristics of scattering light from camouflaged targets are very different from that of natural backgrounds. Polarimetric imaging can eliminate the influence of backgrounds and enhance the efficiency of reconnaissance. Compared with reflectance images, polarization images have advantages in camouflage targets detection.
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Zhao-yang Zhang, Hai-feng Cheng, Zhao-hui Chen, and Wen-wei Zheng "Analysis of polarimetric characteristics of camouflage targets", Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72832C (20 May 2009);

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