Pulsed laser 3D imaging technology based on pulse slice

Tian Peng; Lisa Hou; Man Ye

doi:10.1117/12.2663815

4 April 2023 Pulsed laser 3D imaging technology based on pulse slice

Tian Peng, Lisa Hou, Man Ye

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126170Z (2023) https://doi.org/10.1117/12.2663815
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

The laser three-dimensional imaging system can capture the three-dimensional image information of the target. Compared with the traditional two-dimensional image, the three-dimensional image provides more data dimensions and contains more comprehensive target information, which greatly improves the recognition ability of imaging weapons. Laser 3D imaging is mainly divided into scanning and non-scanning. Compared with scanning imaging, non-scanning 3D imaging has the characteristics of compact structure, fast imaging speed, high range resolution and large field of view. The existing non scanning laser 3D imaging systems mainly include streak tube laser 3D imaging system, APD area array laser 3D imaging system and range gated laser 3D imaging system. Among them, range gated 3D imaging technology has become the main research direction of long-distance laser 3D imaging system because of its advantages of clear imaging, high signal-to-noise ratio and free from the influence of atmospheric backscattering. In this paper, a new laser three-dimensional imaging technology is proposed, which is called pulse laser three-dimensional imaging technology based on pulse slice. This technology not only has the technical advantages of distance gated laser three-dimensional imaging, but also can use CCD (or CMOS) optical sensor with large-scale pixel array, At the same time, it overcomes the limitation of pulse width on longitudinal distance resolution in range gated laser 3D imaging and can improve the longitudinal distance resolution by more than one order of magnitude. This paper describes the basic principle, exposure process analysis and imaging processing method of pulse slicing laser 3D imaging technology.

Citation Download Citation

Tian Peng, Lisa Hou, and Man Ye "Pulsed laser 3D imaging technology based on pulse slice", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126170Z (4 April 2023); https://doi.org/10.1117/12.2663815

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KEYWORDS

Pulsed laser operation

Camera shutters

Pulse signals

Laser applications

Imaging systems

Stereoscopy

3D image processing

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