计算机视觉
三维重建
人工智能
计算机科学
点云
三维建模
软件
由运动产生的结构
点(几何)
三维模型
计算机图形学(图像)
运动(物理)
数学
几何学
程序设计语言
作者
Nobuo Kochi,Atsushi Hayashi,Yota Shinohara,Takanari Tanabata,Kunihiro Kodama,Sachiko Isobe
出处
期刊:Breeding Science
[Japanese Society of Breeding]
日期:2022-01-01
卷期号:72 (1): 75-84
被引量:7
摘要
In this study, we developed an all-around 3D plant modeling system that operates using images and is capable of measuring plants non-destructively without any contact. During the fabrication of this device, we selected a method capable of performing 3D model reconstruction from multiple images. We then developed an improved SfM-MVS (Structure from Motion / Multi-View-Stereo) method that enables 3D reconstruction by simply capturing images with a camera. The resulting image-based method offers a high degree of freedom because the hardware and software can comprise commercially available products, and it permits the use of one or more cameras according to the shape and size of the plant. The advantages of the image-based method are that 3D reconstruction can be conducted at any time as long as the images are already taken, and that the desired locations can be observed, measured, and analyzed from 2D images and a 3D point cloud. The device we developed is capable of 3D measurements and modeling of plants from a few millimeters to 2.4 m of height using this method. This article explains this device, the principles of its composition, and the accuracy of the models obtained from it.
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