3D super resolution range-gated imaging for canopy reconstruction and measurement

Hantao Huang; Xinwei Wang; Liang Sun; Pingshun Lei; Songtao Fan; Yan Zhou

doi:10.1117/12.2295295

12 January 2018 3D super resolution range-gated imaging for canopy reconstruction and measurement

Hantao Huang, Xinwei Wang, Liang Sun, Pingshun Lei, Songtao Fan, Yan Zhou

Proceedings Volume 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology; 106201J (2018) https://doi.org/10.1117/12.2295295
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

In this paper, we proposed a method of canopy reconstruction and measurement based on 3D super resolution range-gated imaging. In this method, high resolution 2D intensity images are grasped by active gate imaging, and 3D images of canopy are reconstructed by triangular-range-intensity correlation algorithm at the same time. A range-gated laser imaging system(RGLIS) is established based on 808 nm diode laser and gated intensified charge-coupled device (ICCD) camera with 1392´1040 pixels. The proof experiments have been performed for potted plants located 75m away and trees located 165m away. The experiments show it that can acquire more than 1 million points per frame, and 3D imaging has the spatial resolution about 0.3mm at the distance of 75m and the distance accuracy about 10 cm. This research is beneficial for high speed acquisition of canopy structure and non-destructive canopy measurement.

Citation Download Citation

Hantao Huang, Xinwei Wang, Liang Sun, Pingshun Lei, Songtao Fan, and Yan Zhou "3D super resolution range-gated imaging for canopy reconstruction and measurement", Proc. SPIE 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, 106201J (12 January 2018); https://doi.org/10.1117/12.2295295

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KEYWORDS

3D image processing

3D metrology

Pulsed laser operation

Super resolution

3D acquisition

Cameras

Imaging systems

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