Results 81 to 90 of about 5,865 (215)

A Dynamic Path Planning Method for UAVs Based on Improved Informed-RRT* Fused Dynamic Windows

Drones
In recent years, navigating rotor drones in complex and dynamic environments has been a significant challenge. This paper proposes an improved path planning method by integrating the enhanced Informed-RRT* algorithm with the Dynamic Window Approach (DWA)
Ting Wu, Zheng Zhang, Feng Jing, Mei Gao
doaj   +1 more source

Discovery of Nuclear X-ray Sources in SINGS Galaxies

, 2011
We present the results of a search for nuclear X-ray activity in nearby galaxies using Chandra archival data in a sample of 62 galaxies from the Spitzer Infrared Nearby Galaxy Survey (SINGS).
Assef, Bentz, Brand, C. J. Grier, Calzetti, Dale, de Vaucouleurs, Desroches, Eracleous, Ferrarese, Flohic, Gallo, Ghosh, Ghosh, Ghosh, Gliozzi, H. Ghosh, Ho, Ho, Ho, Holt, Hughes, Irwin, Kaspi, Kim, L. Ferrarese, Li, Luo, Lutz, Magorrian, Martini, Menci, Muñoz-Mateos, Nemmen, Netzer, Peterson, Pogge, Rinn, Roussel, S. Mathur, Satyapal, Satyapal, Schlegel, Shields, Skrutskie, Strickland, Swartz, Swartz, Terashima, Terashima, Terashima, Véron-Cetty, Wandel, White, Xu, Zhang   +55 more
core   +1 more source

Solving the Net Worth Optimization Problem

FINANCIAL PLANNING REVIEW, Volume 8, Issue 4, December 2025.
ABSTRACT The mean–variance optimization (MVO) model of Harry M. Markowitz is the foundation of quantitative portfolio construction and asset allocation. While Markowitz originally developed MVO for forming portfolios of tradable assets in isolation, it has been adapted for creating portfolios of tradable assets in the presence of non‐tradable assets ...
Paul D. Kaplan
wiley   +1 more source

AI‐Based Autonomous Sailboat Navigation: A Review

Journal of Field Robotics, Volume 42, Issue 8, Page 4157-4180, December 2025.
ABSTRACT This review explores the recent advancements in AI‐driven autonomous sailboat navigation, underscoring its pivotal role in ocean monitoring and real‐time maritime data collection. Drawing on an extensive range of primary and secondary sources, the study critically evaluates current challenges, innovative control algorithms, and path planning ...
Vishali Mankina, André P. D. Araújo, Raphael Guerra, Esteban W. G. Clua, Carlo Cernicchiaro, Luiz M. G. Gonçalves, Cosimo Distante   +6 more
wiley   +1 more source

Artificial Intelligence–Based Approaches for Brain Tumor Segmentation in MRI: A Review

NMR in Biomedicine, Volume 38, Issue 11, November 2025.
Manually segmenting brain tumors in magnetic resonance imaging is a time‐consuming task that requires years of professional experience and clinical expertise. We proposed a study, which contains a comprehensive review of the brain tumor segmentation techniques. It selects the effective approaches to better understand the AI applications for brain tumor
Khadija Bibi, Mehmood Nawaz, Sheheryar Khan, Muhammad Daud, Anum Masood, Muhammad Ashraf Abdelgawad, Syed Muhammad Tariq Abbasi, Rizwan, Ahsan Khan, Wu Yuan   +9 more
wiley   +1 more source

Towards Early Mobility Independence: An Intelligent Paediatric Wheelchair with Case Studies

, 2012
Standard powered wheelchairs are still heavily dependent on the cognitive capabilities of users. Unfortunately, this excludes disabled users who lack the required problem-solving and spatial skills, particularly young children.
Demiris, Y, Soh, H
core  

Autonomous navigation framework for a car-like robot [PDF]

, 2015
This technical report describes the work done to develop a new navigation scheme for an autonomous car-like robot available at the Mobile Robotics Laboratory at IRI. To plan the general path the robot should follow (i.e.
Hernàndez, Sergi, Herrero, Fernando
core   +1 more source

Concurrent On‐Site Measurement of Local Meteoric Water Line Crucial for Short‐Term Isotope Ecohydrological Studies

Water Resources Research, Volume 61, Issue 11, November 2025.
Abstract Accurate determination of the contemporaneous local meteoric water line (LMWL) is critical for isotope ecohydrological studies, as it forms the baseline for identifying water sources and assessing the degree of evaporation in water bodies. Some studies, despite requiring contemporaneous LMWLs, have used approximations from past local or nearby
Yu Tang, Anran Liao, Lihu Yang, Xianfang Song   +3 more
wiley   +1 more source

Path Planning for Yarn Changing Robots Based on NRBO and Dynamic Obstacle Avoidance Strategy

Applied Sciences
To address the shortcomings of traditional bionic algorithms in path planning, such as inefficient search processes, extended planning distances and times, and suboptimal dynamic obstacle avoidance, this paper introduces a fusion algorithm called NRBO ...
Weimin Shi, Qiang Liang, Lei Sun
doaj   +1 more source

Study of Robot Path Planning with Improved A* And DWA Algorithm Fusion

Academic Journal of Science and Technology
For some problems of the traditional A* algorithm in robot path planning, such as inefficient search, many and complex inflection points in the designed and realized paths, as well as the inability to complete real-time dynamic path planning for obstacle avoidance, this paper proposes an improved A algorithm and combines it with Floyd for path rounding,
Jiayi Chen, Josef Cheng
openalex   +3 more sources