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4D超光谱表面地形测量系统基于Scheimpflug原理和超光谱成像

Xiang Chen, Xuhui Huang, Sailing He

|December 1, 2023

概括

一个新的四维超光谱表面拓测量 (HSTM) 系统集成了3D空间数据与光谱信息. 这种先进的HSTM系统显示了农业植物分析的巨大潜力.

科学领域:

光学和光子学在光学和光子学.
生物光子学生物光子学
频谱学是一种光谱学.

背景情况:

准确的3D表面地形和光谱数据对于详细的对象分析至关重要.
现有的方法往往缺乏同时以高分辨率捕获空间和光谱信息的能力.

研究的目的:

提出和验证一个新的四维高光谱表面拓测量 (HSTM) 系统.
整合三维 (3D) 空间数据与反射/光谱,以进行全面的物体表征.

主要方法:

开发一个系统,结合一个光板造型仪 (Scheimpflug原理) 和一个高光谱成像仪.
建立成像子系统和真实空间坐标之间的映射关系,以创建一个4D模型.
使用比4nm更好的光谱分辨率和原色 (700,546,436nm) 进行色彩恢复.

主要成果:

植物样本的成功4D高光谱表面重建 (植物和叶绿植物).
在获得统一的不弹性信号和光谱数据方面,HSTM系统的高性能得到了证明.
实现了对应的3D点云对光谱数据的准确分配.

结论:

拟议的HSTM系统有效地整合了3D地形和高光谱数据.
该系统具有很大的应用潜力,可用于农业中的植物表型和生长分析.
这项技术为生物样本的非侵入性,详细分析提供了强大的工具.

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