Multispectral correlation imaging based on laser active illumination

Wang Hong; Mei-xuan Li; Xue Wang; Cheng Zhou; Li-Jun Song

doi:10.1117/12.2547587

18 December 2019 Multispectral correlation imaging based on laser active illumination

Wang Hong, Mei-xuan Li, Xue Wang, Cheng Zhou, Li-Jun Song

Proceedings Volume 11338, AOPC 2019: Optical Sensing and Imaging Technology; 113382F (2019) https://doi.org/10.1117/12.2547587
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

In order to improve the image reconstruction quality of multispectral correlation imaging system under the condition of low illumination, this paper proposes a multispectral correlation imaging scheme based on laser active illumination. In this scheme, the phase modulated multispectral correlation imaging camera is used as the experimental platform, and the laser is used as the auxiliary light source to increase the reflected signal intensity of the target object, and the image information of the target object is obtained through single exposure. The experimental results show that compared with the reconstruction results of multispectral association imaging under the condition of low illumination, the active and passive combination scheme can significantly improve the image reconstruction quality of the multispectral association imaging system. This paper is of great significance to promote the practical application of new multispectral imaging technology.

Citation Download Citation

Wang Hong, Mei-xuan Li, Xue Wang, Cheng Zhou, and Li-Jun Song "Multispectral correlation imaging based on laser active illumination", Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113382F (18 December 2019); https://doi.org/10.1117/12.2547587

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KEYWORDS

Multispectral imaging

Image quality

Imaging systems

Signal detection

Target detection

Cameras

Image restoration

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