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Yuchen Zhi

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Proceedings Article | 27 March 2022 Paper

Coordinate conversion method of beam array scanning imaging data

Shuai Wang, Lei Liu, Yuchen Zhi, Guohang Min

Proceedings Volume 12169, 1216978 (2022) https://doi.org/10.1117/12.2624945

KEYWORDS: Imaging systems, Imaging arrays, Data conversion, Avalanche photodetectors, 3D image processing, Sensors, 3D acquisition, Spatial resolution

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The laser three-dimensional imaging method of the area array detector has the advantages of high imaging efficiency and good imaging effect of moving targets. It is a hot spot of imaging research at present. However, at present, the number of pixels of area array detectors is generally small, and it is difficult to meet the requirements of high spatial resolution threedimensional imaging. The beam array scanning method can effectively solve the problem of the small number of pixels of the area array 3D imaging detector such as the APD array, and significantly improve the imaging performance of the system. In the beam array scanning method, the processing of laser echo data and the restoration of the target threedimensional point cloud are one of the key technologies for the realization of the beam array scanning method. In response to this problem, the paper studies the correspondence between the beam deflection angle and the target position in the beam array scanning, and realizes the conversion of the system detector coordinate system data to the spatial coordinate system.

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