一种共照射源超空间分辨率三维重建方法

doi:10.16180/j.cnki.issn1007-7820.2020.07.012

电子科技 ›› 2020, Vol. 33 ›› Issue (7): 57-62.doi: 10.16180/j.cnki.issn1007-7820.2020.07.012

一种共照射源超空间分辨率三维重建方法

黄雨泽¹,陈广东²,王媛¹,万思钰¹

1.南京航空航天大学电子信息工程学院,江苏南京 210016
2.南京航空航天大学无人机研究院,江苏南京 210016

收稿日期:2019-05-08 出版日期:2020-07-15 发布日期:2020-07-15
作者简介:黄雨泽(1994-),男,硕士研究生。研究方向:图像处理。|陈广东(1968-),男,博士,副研究员。研究方向:图像处理。
基金资助:
国家重点研发计划(2017YFC0822404)

A Common Illumination Source Super Spatial Resolution Three-dimensional Reconstruction Method

HUANG Yuze¹,CHEN Guangdong²,WANG Yuan¹,WAN Siyu¹

1. School of Electronic Information Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
2. UAV Research Institute,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

Received:2019-05-08 Online:2020-07-15 Published:2020-07-15
Supported by:
National Key R&D Program Funding(2017YFC0822404)

摘要/Abstract

摘要：

受到制造工艺限制,现有的3D非扫描激光雷达APD阵列无法做到高度集成。为了提高3D非扫描激光雷达的空间分辨率,满足高分辨率空间采样需求,文中提出了一种共照射源3D激光雷达和2D探测器超空间分辨率信息获取方法。该方法使用高分辨率共照射源2D探测器对3D激光雷达进行辅助成像,将2D探测器得到的激光回波强度信息与3D激光雷达得到的目标深度信息进行数据融合,并对不同孔径的成像结果基于非相参合成孔径成像原理进行修正,实现超越3D非扫描激光雷达空间分辨率的目标三维重建。实验结果表明,该方法能够有效提高3D非扫描激光雷达的空间分辨率。

关键词: 合成孔径成像, 共照射源, 超分辨率, 三维重建, 3D激光雷达, 2D探测器

Abstract:

Due to the manufacturing process limitation, existing 3D non-scanning lidar APD array was not highly integrated. In order to improve the spatial resolution of 3D non-scanning lidar and to meet the requirements of high-resolution spatial sampling, a method for acquiring super-space resolution information of 3D lidar and 2D detector was proposed in the current study. The method used a high-resolution common illumination source 2D detector to assist the 3D lidar by combining the laser echo intensity information obtained by the 2D detector with the target depth information obtained by the 3D lidar. The result in different apertures was modified based on the principle of non-coherent synthetic aperture imaging to achieve 3D reconstruction of the target beyond the spatial resolution of 3D non-scanning lidar. Experimental results revealed that the proposed method could effectively improve the spatial resolution of 3D non-scanning lidar.

Key words: synthetic aperture imaging, common illumination source, super-resolution, 3D reconstruction, 3D lidar, 2D detector

中图分类号:

TP751

黄雨泽,陈广东,王媛,万思钰. 一种共照射源超空间分辨率三维重建方法[J]. 电子科技, 2020, 33(7): 57-62.

HUANG Yuze,CHEN Guangdong,WANG Yuan,WAN Siyu. A Common Illumination Source Super Spatial Resolution Three-dimensional Reconstruction Method[J]. Electronic Science and Technology, 2020, 33(7): 57-62.

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一种共照射源超空间分辨率三维重建方法

A Common Illumination Source Super Spatial Resolution Three-dimensional Reconstruction Method

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