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Study on polarized optical flow algorithm for imaging bionic polarization navigation micro sensor
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作者 关乐 刘胜 +3 位作者 李世奇 林威 褚金奎 《光电子快报:英文版》 EI 2018年第3期220-225,共6页
At present, both the point source and the imaging polarization navigation devices only can output the angle information,which means that the velocity information of the carrier cannot be extracted from the polarizatio... At present, both the point source and the imaging polarization navigation devices only can output the angle information,which means that the velocity information of the carrier cannot be extracted from the polarization field pattern directly.Optical flow is an image-based method for calculating the velocity ofpixel point movement in an image. However, forordinary optical flow, the difference in pixel value as well as the calculation accuracy can be reduced in weak light.Polarization imaging technology has the ability to improve both the detection accuracy and the recognition probability ofthe target because it can acquire the extra polarization multi-dimensional information of target radiation or reflection. Inthis paper, combining the polarization imaging technique with the traditional optical flow algorithm, a polarizationoptical flow algorithm is proposed, and it is verified that the polarized optical flow algorithm has good adaptation in weaklight and can improve the application range of polarization navigation sensors. This research lays the foundation for dayand night all-weather polarization navigation applications in future. 展开更多
关键词 POLARIZED optical flow algorithm IMAGING BIONIC POLARIZATION NAVIGATION micro SENSOR
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