Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/91180
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Type: Journal article
Title: A new method of feature extraction and location derivation in vineyards using point clouds
Author: Gao, D.
Lu, T.
Grainger, S.
Citation: Applied Engineering in Agriculture, 2014; 30(2):293-306
Publisher: American Society of Agricultural and Biological Engineers
Issue Date: 2014
ISSN: 0883-8542
1943-7838
Statement of
Responsibility: 
D. Gao, T.-F. Lu, S. Grainger
Abstract: An automatic pruning machine is desirable due to the limitations and drawbacks of current labor intensive grapevine pruning methods. Automation mitigates the issue of skilled worker shortages and reduces overall labor cost. To achieve autonomous grapevine pruning accurately and effectively, it is crucial to identify and locate some key features including post, trunk, cordon, and cane in order to open/close cutter and adjust the height of cutter appropriately. In this article, a new method is proposed to automatically identify these features and derive their locations using point clouds. This method combines the advantages of cylinder extraction, density clustering, and skeleton extraction for identification purposes. More importantly, it fills the gap of non-uniformed feature extraction in vineyards using point clouds. The results of applying this method to different data sets obtained from vineyards are presented and its effectiveness is illustrated.
Keywords: Grapevine pruning; Point clouds; Cylinder extraction; Density clustering; Skeleton extraction
Rights: © 2014 American Society of Agricultural and Biological Engineers
DOI: 10.13031/aea.30.10309
Appears in Collections:Aurora harvest 7
Mechanical Engineering publications

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