Book ChapterDOI
A Cost-Effective Automatic 3D Reconstruction Pipeline for Plants Using Multi-view Images
Lu Lou,Lu Lou,Yonghuai Liu,Minglan Sheng,Jiwan Han,John H. Doonan +5 more
- pp 221-230
TLDR
It is concluded that the proposed 3D reconstruction is a promising generalized technique for the non-destructive phenotyping of various plants during their whole growth cycles.Abstract:
Plant phenotyping involves the measurement, ideally objectively, of characteristics or traits. Traditionally, this is either limited to tedious and sparse manual measurements, often acquired destructively, or coarse image-based 2D measurements. 3D sensing technologies (3D laser scanning, structured light and digital photography) are increasingly incorporated into mass produced consumer goods and have the potential to automate the process, providing a cost-effective alternative to current commercial phenotyping platforms. We evaluate the performance, cost and practicability for plant phenotyping and present a 3D reconstruction method from multi-view images acquired with a domestic quality camera. This method consists of the following steps: (i) image acquisition using a digital camera and turntable; (ii) extraction of local invariant features and matching from overlapping image pairs; (iii) estimation of camera parameters and pose based on Structure from Motion(SFM); and (iv) employment of a patch based multi-view stereo technique to implement a dense 3D point cloud. We conclude that the proposed 3D reconstruction is a promising generalized technique for the non-destructive phenotyping of various plants during their whole growth cycles.read more
Citations
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Journal ArticleDOI
Dynamic quantification of canopy structure to characterize early plant vigour in wheat genotypes
TL;DR: An efficient workflow based on photos to monitor early growth and development of isolated wheat plants dynamically is described.
Journal ArticleDOI
UAV survey of a coastal cliff face – Selection of the best imaging angle
Marion Jaud,Pauline Letortu,Claire Théry,Philippe Grandjean,Stéphane Costa,Olivier Maquaire,Robert Davidson,Nicolas Le Dantec +7 more
TL;DR: In this article, several flights are performed with various imaging angles (nadir, 20°, 30° and 40° off nadir) to assess the impact of the imaging angle on the 3D cliff face reconstruction.
Journal ArticleDOI
Quantification of light interception within image-based 3-D reconstruction of sole and intercropped canopies over the entire growth season.
TL;DR: The accurate reconstruction of 3D plants grown in the field based on multi-view images provides the possibility for high-throughput 3D phenotyping in theField and allows a better understanding of the relationship between canopy architecture and the light environment.
Book ChapterDOI
Accurate Multi-View Stereo 3D Reconstruction for Cost-Effective Plant Phenotyping
TL;DR: Experimental results show that the proposed 3D reconstruction method is flexible, adaptable and inexpensive, and promising as an generalized groundwork for phenotyping various plant species.
References
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Book
Multiple view geometry in computer vision
Richard Hartley,Andrew Zisserman +1 more
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Proceedings ArticleDOI
A Combined Corner and Edge Detector
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TL;DR: The problem the authors are addressing in Alvey Project MMI149 is that of using computer vision to understand the unconstrained 3D world, in which the viewed scenes will in general contain too wide a diversity of objects for topdown recognition techniques to work.
Journal ArticleDOI
Speeded-Up Robust Features (SURF)
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