基于偏振成像的工业视觉及其关键技术

Industrial Vision Based on Polarization Imaging and Its Key Technologies

偏振成像是一种新的光电探测体制,可以获得比传统成像多一维的信息,在对透明、高反光/高辐射、无纹理目标的探测中具有独特的优势。虽然偏振成像在天文、遥感及水下成像等领域已得到广泛应用,但在工业领域还处于探索阶段。为了促进偏振成像在工业领域的推广应用,总结了偏振成像技术的发展历程和现状、基于偏振成像的工业检测技术以及基于偏振成像的三维测量技术;在此基础上,对面向工业视觉的偏振成像关键技术进行了分析,对相关技术的未来发展方向进行了展望。

Polarization imaging is a new photoelectric imaging technology that captures more information than traditional imaging technology.It has advantages in measuring transparent,high reflection/radiation,and textureless targets.Polarization imaging is still in the exploratory stage in industries,although it has been widely used in astronomy,remote sensing,and underwater imaging.This paper summarized the development and current status of polarization imaging and industrial detection as well as three-dimensional measurement based on polarization imaging to promote its popularization and application in industries.Further,the key technologies of polarization imaging for industrial vision were analyzed,and the future development direction of the related technologies was explored.