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- research-articleNovember 2024
End-to-end stereo matching network with two-stage partition filtering for full-resolution depth estimation and precise localization of kiwifruit for robotic harvesting
- Xudong Jing,
- Hanhui Jiang,
- Shiao Niu,
- Haosen Zhang,
- Bryan Gilbert Murengami,
- Zhenchao Wu,
- Rui Li,
- Chengquan Zhou,
- Hongbao Ye,
- Jinyong Chen,
- Yaqoob Majeed,
- Longsheng Fu
Computers and Electronics in Agriculture (COEA), Volume 225, Issue Chttps://doi.org/10.1016/j.compag.2024.109333Highlights- Aligned disparity map be efficiently generated using two-stage partition filtering.
- LaC-Gwc Net achieves precise full-resolution stereo matching.
- LaC-Gwc Net excels in matching thin obstacles in orchards.
- Increasing network ...
Full-resolution depth estimation within operational space of robotic arms and accurate localization of kiwifruits is very important for automated harvesting. Depth estimation is expected to be accurate and full-resolution while current depth ...
- research-articleNovember 2024
Optimized placement of sensor networks by machine learning for microclimate evaluation
Computers and Electronics in Agriculture (COEA), Volume 225, Issue Chttps://doi.org/10.1016/j.compag.2024.109305AbstractMicroclimate mapping and monitoring are of fundamental importance to manage natural resources and optimize agricultural procedures. Precision agriculture is based on the management of spatial–temporal microclimatic variation in fields monitored ...
Highlights- High-resolution microclimate modeling by IoT systems and neural networks.
- AI exploits IoT data to optimize microclimate monitoring strategies.
- K-means machine learning clustering algorithm identifies robust temperature areas.
- ...
- research-articleNovember 2024
Stereo visual-inertial localization algorithm for orchard robots based on point-line features
Computers and Electronics in Agriculture (COEA), Volume 224, Issue Chttps://doi.org/10.1016/j.compag.2024.109202Highlights- The stereo visual-inertial odometry using point-line features can be used for precise positioning in orchards.
- The proposed line feature and the keyframe criteria strategy can enhance the positioning accuracy in orchards.
- Built an ...
The vision-based localization of orchard mobile robots is an indispensable component of orchard intelligent management, applicable to scenarios such as navigation and harvesting. Due to the rugged terrain and lack of texture features in orchard ...
- research-articleNovember 2024
Using singular spectrum analysis and empirical mode decomposition to enhance the accuracy of a machine learning-based soil moisture forecasting algorithm
Computers and Electronics in Agriculture (COEA), Volume 224, Issue Chttps://doi.org/10.1016/j.compag.2024.109200AbstractThe adoption of sensors and other technologies in modern agricultural systems has led to an increase in data availability for the optimization of crop management. Soil moisture (SM) forecasts, which heavily depend on the availability of SM sensor ...
Highlights- We evaluated SSA and EEMD for ML/DL soil-moisture (SM) forecasting.
- EEMD incorporation led to a 44% error reduction compared to no preprocessing.
- EEMD effectively isolated nonstructural components in the time series.
- EEMD ...
- research-articleNovember 2024
AI-powered sensor fault detection for cost-effective smart greenhouses
Computers and Electronics in Agriculture (COEA), Volume 224, Issue Chttps://doi.org/10.1016/j.compag.2024.109198Highlights- Connecting IoT systems to cloud servers enables real-time use of AI algorithms and flexible ML model implementation.
- AI models can capture the nonlinear correlations among greenhouse variables.
- Even weak correlations between sensor ...
Sensor networks in greenhouses play a pivotal role in controlling the stability of environmental and chemical factors. The Internet of Things (IoT) has been widely adopted for monitoring various sensor networks in greenhouses. In the present ...
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- research-articleNovember 2024
Smart agriculture assurance: IoT and blockchain for trusted sustainable produce
Computers and Electronics in Agriculture (COEA), Volume 224, Issue Chttps://doi.org/10.1016/j.compag.2024.109184AbstractCurrent conventional agricultural practices have exacerbated the depletion of soil, loss of biodiversity, and intensified the substantial challenges of food security including monoculture dependence, resource intensiveness, access and ...
Highlights- Integration of Blockchain, IoT, & biosensors to ensure eco-friendly crop monitoring.
- Ensures transparent, traceable food certification and fosters trust.
- Effective anomaly handling and clear, accountable food certification.
- ...
- research-articleJanuary 2023
Research on site selection of agricultural internet of things nodes based on rapid terrain sampling
Computers and Electronics in Agriculture (COEA), Volume 204, Issue Chttps://doi.org/10.1016/j.compag.2022.107493Highlights- Considering free-space and diffraction losses, a fitness function was proposed.
With the development of Internet of Things (IoT) technology, modern agriculture is moving in the direction of 4.0. The Agricultural IoT is inseparable from wireless communication. However, in traditional agricultural IoT router and ...
- research-articleDecember 2022
Next Generation Task Controller for agricultural Machinery using OPC Unified architecture
Computers and Electronics in Agriculture (COEA), Volume 203, Issue Chttps://doi.org/10.1016/j.compag.2022.107475Highlights- Next-generation bus system for on-board communication in agricultural vehicles.
ISO 11783 is a communication protocol for tractors and implements. It specifies a network of control functions connected with a CAN bus. The task controller is a control function that is used to control implements based on planned ...
- research-articleNovember 2022
Internet of things: Cotton harvesting and processing
Computers and Electronics in Agriculture (COEA), Volume 202, Issue Chttps://doi.org/10.1016/j.compag.2022.107294Highlights- Cotton quality and process measurements could be used to optimize logistics, ginning, and textile processing.
Cotton requires multiple processing steps to convert the raw agricultural products into finished textiles. Genetic and environmental factors, crop management decisions, and processing practices interact to affect optimal end use, ...
- research-articleOctober 2022
5G in agri-food - A review on current status, opportunities and challenges
Computers and Electronics in Agriculture (COEA), Volume 201, Issue Chttps://doi.org/10.1016/j.compag.2022.107291Highlights- 5G provides low latency data exchange for technological applications in agri-food.
Autonomous tractors, spraying drones, robotics and fully autonomous farms are possible outcomes of the digital transformation trend in agriculture and food systems which is fostered by continuous technological advancement and the ...
- research-articleSeptember 2022
Reliability provisioning for Fog Nodes in Smart Farming IoT-Fog-Cloud continuum
Computers and Electronics in Agriculture (COEA), Volume 200, Issue Chttps://doi.org/10.1016/j.compag.2022.107252AbstractReliability is essential in Smart Farming supported by the IoT-Fog-Cloud continuum. Smart Farms’ unprotection may cause significant economic losses and low yields of production. This paper introduces an optimization model for providing ...
Highlights- An optimization model that minimizes the deployment costs of fog-based smart farms.
- research-articleJuly 2022
An efficient cluster head selection for wireless sensor network-based smart agriculture systems
- Mehdi Gheisari,
- Mahdi Safaei Yaraziz,
- Jafar A Alzubi,
- Christian Fernández-Campusano,
- Mohammad Reza Feylizadeh,
- Saied Pirasteh,
- Aaqif Afzaal Abbasi,
- Yang Liu,
- Cheng-Chi Lee
Computers and Electronics in Agriculture (COEA), Volume 198, Issue Chttps://doi.org/10.1016/j.compag.2022.107105AbstractWith the increasing availability of high-resolution satellite and drone images and the Internet of Things (IoT) has begun transforming remote sensing of agriculture by improving accessibility and frequency of updates. Modern IoT-based ...
- research-articleJuly 2022
A portable microwave radiometer for proximal measurement of soil permittivity
- Alexander G. Gudkov,
- Svetlana V. Agasieva,
- Igor A. Sidorov,
- Nikolay F. Khokhlov,
- Alexander S. Chernikov,
- Yuriy Vagapov
Computers and Electronics in Agriculture (COEA), Volume 198, Issue Chttps://doi.org/10.1016/j.compag.2022.107076Highlights- A new algorithmic approach to calculate surface dielectric permittivity.
- Development and design of a portable radiometer for proximal measurement of soil moisture.
- A practical experiment of the instrument prototype to verify the ...
The paper discusses a new approach to software algorithm for a microwave radiometer-based measurement system to determine the soil moisture content of the observed surface. The approach provides rapid processing of radio brightness temperature ...
- research-articleJuly 2022
Identifying-and-counting based monitoring scheme for pigs by integrating BLE tags and WBLCX antennas
Computers and Electronics in Agriculture (COEA), Volume 198, Issue Chttps://doi.org/10.1016/j.compag.2022.107070Highlights- Monitoring scheme for individual growing-finishing pigs in pigsty.
- Monitoring ...
Recently, the Internet of Things (IoT) technologies have been applied to pig monitoring. Among these, electronic tags help identify individual growing-finishing pigs. Nevertheless, the tags are insufficient to achieve accurate and ...
- research-articleJune 2022
A convolutional operation-based online computation offloading approach in wireless powered multi-access edge computing networks
Computers and Electronics in Agriculture (COEA), Volume 197, Issue Chttps://doi.org/10.1016/j.compag.2022.106967Highlights- Wireless powered multi-access edge computing network is a future trend of Internet of Things in agriculture context.
- The convolutional operation-based approach is able to handle mutual inference between different wireless devices with ...
Prompt, uninterrupted, accurate and reliable agricultural information plays an important role for agricultural decision making, which requires stable and efficient data transmission frame. Wireless powered multi-access edge computing (MEC) has ...
- research-articleApril 2022
Measurement of the broadband complex permittivity of soils in the frequency domain with a low-cost Vector Network Analyzer and an Open-Ended coaxial probe
- Juan D. González-Teruel,
- Scott B. Jones,
- David A. Robinson,
- Jaime Giménez-Gallego,
- Raúl Zornoza,
- Roque Torres-Sánchez
Computers and Electronics in Agriculture (COEA), Volume 195, Issue Chttps://doi.org/10.1016/j.compag.2022.106847Highlights- A new handheld open-source low-cost device for soil frequency domain reflectometry.
The performance of a handheld Vector Network Analyzer (VNA), the nanoVNA, a low-cost, open-source instrument, was evaluated. The instrument measures the complex permittivity of dielectric media from 1-port reflection parameters in the ...
- research-articleApril 2022
Productivity enhancement using low-cost smart wireless programmable logic controllers: A case study of an oyster mushroom farm
Computers and Electronics in Agriculture (COEA), Volume 195, Issue Chttps://doi.org/10.1016/j.compag.2022.106798Highlights- Smart system to enhance productivity for low-cost outdoor oyster mushroom farms.
This research work proposes the installation of a smart oyster mushroom farm combining sensory devices, a programmable logic controller (PLC), and wireless module. The smart wireless PLC encourages high-quality mushroom yield. The ...
- research-articleMarch 2022
Evaluation of LoRa technology in 433-MHz and 868-MHz for underground to aboveground data transmission
Computers and Electronics in Agriculture (COEA), Volume 194, Issue Chttps://doi.org/10.1016/j.compag.2022.106770Highlights- Development of nodes suited for UG2AG data transmission based on LoRa technology.
The development of Wireless Underground Sensor Networks (WUSNs) is currently receiving significant attention to collect data underground all along the year without impacting aboveground activities. Although the opportunities are ...
- research-articleFebruary 2022
Development of young sago palm environmental monitoring system with wireless sensor networks
Computers and Electronics in Agriculture (COEA), Volume 193, Issue Chttps://doi.org/10.1016/j.compag.2022.106723Highlights- Real-time monitoring of the environmental parameters (temperature, relative humidity, and light intensity) of young sago palms in mist chambers.
Environmental monitoring plays a significant role in the agriculture field as it manages the critical factors required for sustainable growth of plants, and thus enhancing the quality and productivity of the crops. In this paper, the ...
- research-articleFebruary 2022
Modeling and evaluation of quality monitoring based on wireless sensor and blockchain technology for live fish waterless transportation
Computers and Electronics in Agriculture (COEA), Volume 193, Issue Chttps://doi.org/10.1016/j.compag.2021.106642Highlights- A flexible wireless sensor-based and blockchain monitoring system was designed.
Live fish waterless transportation is a novel and cost-saving strategy, which can reduce the economic cost and wastewater pollution. However, it is still technology challenging to achieve intelligent monitoring and higher survival ...