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- research-articleOctober 2024
Customized obstacle detection system for High-Speed Railways: A novel approach toward intelligent rail transportation
Advanced Engineering Informatics (ADEI), Volume 62, Issue PDhttps://doi.org/10.1016/j.aei.2024.102911AbstractWith the rapid advancement of rail transportation technology, particularly in high-speed rail, efficient and accurate obstacle detection is a crucial research focus. Traditional methods often depend on extensive datasets and complex computations, ...
- research-articleDecember 2024
YOLOv10 Improvement Approach Based on ROS Robot Visual Obstacle Avoidance System
ICCSIE '24: Proceedings of the 2024 9th International Conference on Cyber Security and Information EngineeringPages 798–805https://doi.org/10.1145/3689236.3695385YOLOv10 is critical but limited in robot visual obstacle avoidance under market demand. In order to improve the real-time, accuracy and performance in dark light and high noise environments, the study carried out three optimizations: firstly, the quality ...
- research-articleJanuary 2024
Obs-tackle: an obstacle detection system to assist navigation of visually impaired using smartphones
Machine Vision and Applications (MVAA), Volume 35, Issue 2https://doi.org/10.1007/s00138-023-01499-8AbstractAs the prevalence of vision impairment continues to rise worldwide, there is an increasing need for affordable and accessible solutions that improve the daily experiences of individuals with vision impairment. The Visually Impaired (VI) are often ...
- research-articleJanuary 2024
Emergency obstacle avoidance system of sugarcane basecutter based on improved YOLOv5s
Computers and Electronics in Agriculture (COEA), Volume 216, Issue Chttps://doi.org/10.1016/j.compag.2023.108468Highlights- The YOLOv5s network model is structurally optimized.
- The GS-YOLOv5s algorithm is deployed to the Raspberry Pi.
- The obstacle avoidance control algorithm is combined with the RPi hardware.
- The obstacle avoidance system for the ...
The basecutter collides with obstacles in the field while sugarcane harvesters operate, easily damaging the blades of the basecutter. The design of an emergency obstacle avoidance system with machine vision and deep learning for sugarcane ...
- research-articleDecember 2023
Remote safety system for a robot tractor using a monocular camera and a YOLO-based method
Computers and Electronics in Agriculture (COEA), Volume 215, Issue Chttps://doi.org/10.1016/j.compag.2023.108409Highlights- Developed a remote safety system for robot tractor to save labor and increase monitoring efficiency.
- Low-cost monocular cameras are used for obstacle detection and positioning.
- The Q-Q plot and t-test are proposed to improve the ...
Japanese agriculture faces serious problems caused by labor shortages due to both a decline in the agricultural population and the aging of the remaining agricultural population. Japanese government is actively promoting the use of agricultural ...
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- research-articleAugust 2023
LWDNet-A lightweight water-obstacles detection network for unmanned surface vehicles
Robotics and Autonomous Systems (ROAS), Volume 166, Issue Chttps://doi.org/10.1016/j.robot.2023.104453AbstractWater-obstacles detection based on semantic segmentation is an essential part of autonomous navigation of unmanned surface vehicles (USV). However, it is difficult for existing methods to ensure the real-time of water-obstacles recognition and ...
Highlights- We complete an novel lightweight water-obstacles detection network.
- We adopt a novel backbone, which is bottleneck structure with attention block.
- Dilated convolution is adopted in the depthwise separable convolution (DW ...
- research-articleMay 2023
Obstacle detection and tracking for intelligent agricultural machinery
Computers and Electrical Engineering (CENG), Volume 108, Issue Chttps://doi.org/10.1016/j.compeleceng.2023.108670Highlights- Clustering method based on region-growth and density-clustering is used to detect point cloud.
- For obstacle association, we define obstacle geometric and density features to increase the accuracy.
- The designed kalman filter can ...
The existing 3D lidar-based obstacle detection and tracking methods are inaccurate. Furthermore, as the number of obstacles increases, particularly in the agricultural machinery working scene with many machineries, ridges, and pedestrians, these ...
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- research-articleMay 2023
Convolutional neural network and sensor fusion for obstacle classification in the context of powered prosthetic leg applications
Computers and Electrical Engineering (CENG), Volume 108, Issue Chttps://doi.org/10.1016/j.compeleceng.2023.108656AbstractPowered prostheses for lower extremities are an advancing technology, with recent developments reducing their weight while increasing their autonomy and capabilities. One problem that powered prosthesis users face is the change of gait pattern ...
- research-articleMarch 2023
EOS: An efficient obstacle segmentation for blind guiding
Future Generation Computer Systems (FGCS), Volume 140, Issue CPages 117–128https://doi.org/10.1016/j.future.2022.09.017AbstractAchieving high accuracy of blind road condition recognition in real-time is important for helping visually impaired people sense the surrounding environment. However, existing systems are mainly designed based on general objects ...
Highlights- Technical vulnerability analysis for existing smart wearable systems.
- Vision-...
- research-articleNovember 2022
Real-time obstacle detection in a darkroom using a monocular camera and a line laser
Artificial Life and Robotics (SPALR), Volume 27, Issue 4Pages 828–833https://doi.org/10.1007/s10015-022-00787-2AbstractWhen a disaster strikes, one of the highest priorities is to save the lives of the victims. The proportion of victims that rescuers can save is strongly related to how quickly rescue efforts can begin. Therefore, early detection of disaster ...
- review-articleSeptember 2022
Pedestrian safety using the Internet of Things and sensors: Issues, challenges, and open problems
Future Generation Computer Systems (FGCS), Volume 134, Issue CPages 187–203https://doi.org/10.1016/j.future.2022.03.036AbstractPedestrian safety has emerged recently as a public health challenge worldwide. People are being physically harmed due to losing focus on their surroundings and putting safety at risk. Though pedestrian safety is a shared responsibility,...
Highlights- This study identifies a wide range of safety systems offered for pedestrians and discusses their efficiency and usability.
- ArticleJuly 2022
Design of a Wearable Assistive System for Visually Impaired People
- Yigay He-Astudillo,
- Marcelo Reyes-Rogget,
- Felipe A. López,
- Ignacio N. López-Martínez,
- Rodrigo Linfati,
- Daniel Morillo,
- Gustavo Gatica
Computer Information Systems and Industrial ManagementPages 123–135https://doi.org/10.1007/978-3-031-10539-5_9AbstractAt least 2.2 billion people are visually impaired, with the main problem being a lack of autonomy and safety when moving around the city. To solve those needs, a wearable assistive system for vision impairment people, with low cost and open-source ...
- chapterJune 2022
LiDAR-Based Obstacle Detection and Distance Estimation in Navigation Assistance for Visually Impaired
Universal Access in Human-Computer Interaction. User and Context DiversityPages 479–491https://doi.org/10.1007/978-3-031-05039-8_35AbstractPeople with visual impairments can face challenges with independent navigation and therefore may use traditional aids such as guide dogs, white canes, or a travel companion for navigation assistance. In recent years, researchers have been working ...
- research-articleJanuary 2023
Obstacle Detection Surrounding a Moving Object with Fisheye Camera and Circle Line Laser Light
ACIT '22: Proceedings of the 9th International Conference on Applied Computing & Information TechnologyPages 54–59https://doi.org/10.1145/3543895.3543942The purpose of this study is to suggest a new method that can easily detect obstacles surrounding by use of a circle line laser and fisheye camera. This system can be attached to a mobile robot, and obstacle detection can be taken in real time while ...
- ArticleApril 2022
DIOT: Detecting Implicit Obstacles from Trajectories
AbstractIn this paper, we study a new data mining problem of obstacle detection. Intuitively, given two kinds of trajectories, i.e., reference and query trajectories, the obstacle is a region such that most query trajectories bypass this region, whereas ...
- research-articleSeptember 2022
Research on Automatic Delivery Robot Control Based on Multi-sensor Fusion
WCSA '22: Proceedings of the 2022 International Workshop on Control Sciences and AutomationPages 19–24https://doi.org/10.1145/3543303.3543307With the explosive growth of E-commerce markets such as online shopping consumption and live delivery, various problems in the express industry have seriously affected the good experience of users to some extent, especially the problem of the last ...
- research-articleMarch 2022
Obstacle avoidance for orchard vehicle trinocular vision system based on coupling of geometric constraint and virtual force field method
Expert Systems with Applications: An International Journal (EXWA), Volume 190, Issue Chttps://doi.org/10.1016/j.eswa.2021.116216Highlights- A trinocular vision system is set up for orchard obstacle avoidance.
- Grayscale morphology filtering is used for trunk regions enhancement.
- Optical flow method is used for trunk regions prediction.
- Coupling geometric constraint ...
Nowadays the use of visual navigation in orchard is rapidly growing, while current research mainly focuses on orchard row detection or obstacle detection separately. The economic, fast and reliable navigation vision system that completing orchard ...
- research-articleOctober 2021
Obstacle detection and recognition in farmland based on fusion point cloud data
Computers and Electronics in Agriculture (COEA), Volume 189, Issue Chttps://doi.org/10.1016/j.compag.2021.106409Highlights- Data acquisition platform based on 2D/3D LiDAR and GNSS/AHRS was established.
- ...
Obstacle detection and recognition in the farmland environment is of great significance to unmanned agricultural machinery navigation technology. In this study, a tractor platform based on 3D/2D LiDAR and GNSS/AHRS was built to acquire ...
- research-articleSeptember 2021
Collision-free path planning for a guava-harvesting robot based on recurrent deep reinforcement learning
Computers and Electronics in Agriculture (COEA), Volume 188, Issue Chttps://doi.org/10.1016/j.compag.2021.106350Highlights- An image process pipeline is introduced to locate guava fruits and obstacles.
- A ...
In unstructured orchard environments, picking a target fruit without colliding with neighboring branches is a significant challenge for guava-harvesting robots. This paper introduces a fast and robust collision-free path-planning ...
- research-articleAugust 2021
A dataset for the recognition of obstacles on blind sidewalk
Universal Access in the Information Society (UAIS), Volume 22, Issue 1Pages 69–82https://doi.org/10.1007/s10209-021-00837-9AbstractRecently, the technology of assisting the navigation of visually impaired persons with computer vision has been greatly developed. A number of scholars have conducted related research, including indoor and outdoor object detection for blind ...