Detection of plant and greenhouse features using sonar sensors

In: Precision agriculture '15
Authors:
R. Finkelshtain
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,
Y. Yovel
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G. Kosa
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A. Bechar
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Type:
Chapter
Pages:
299–306
DOI:
https://doi.org/10.3920/978-90-8686-814-8_36

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The spectrum of an ultrasonic return echo from plants has been shown to contain unique information about single plants. This research focused on finding ultrasonic classification features that could ultimately be used as the basis for a pepper yield estimation robot. An ultrasonic sensor system was tested in a pepper greenhouse environment and against single pepper plants. The results prove the potential of ultrasonic sensors for such a robot in classifying plants against walls, the ability to detect the existence of fruit and the detection of plant rows without the need for line of sight.

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Cover Precision agriculture '15
E-Book ISBN:
9789086868148
Publisher:
Wageningen Academic
Print Publication Date:
01 Jul 2015
Section 1 – Crop and soil proximal sensing
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Section 2 – UAV, aerial and satellite sensing
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Section 3 – Spatial variability and mapping
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Section 4 – Machinery robotics and PA technologies
Effective segmentation of green vegetation for resource-constrained real-time applications
Autonomous field navigation for data acquisition of wireless sensor networks
Fused inertial measurement unit and real time kinematic-global navigation satellite system data assessment based on robotic total station information for in-field dynamic positioning
Low-cost robotics for horticulture: a case study on automated sugar pea harvesting
Advanced sensor platform for human detection and protection in autonomous farming
An approach to a laser weeding system for elimination of in-row weeds
Task characterization and classification for robotic manipulator optimal design in precision agriculture
Mapping olive-tree geometric features from 3D models generated with an unmanned aerial vehicle
Orchard tree digitization for structural-geometrical modeling
A mobile terrestrial laser scanner for tree crops: point cloud generation, information extraction and validation in an intensive olive orchard
Wireless sensor and control network based on open-source hardware and software
Importance of measuring tillage implement forces for reduced fuel consumption and increased efficiency without affecting tillage depth
Slurry tanker retrofitting with variable rate dosing system: a case study
Comparison of different spread pattern determination techniques
Measuring the dynamic mass flow from a centrifugal fertilizer spreader
Section 5 – Management, data analyses and DSS
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Section 6 – Advances in precision fruticulture/viticulture/oliviculture and horticulture in general
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Section 7 – Precision crop protection
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Section 8 –Advances in precision irrigation
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Section 9 – Economics, practical adoption and emerging issues
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