SLAM on the Hexagonal Grid [PDF]
Sensors, 2022 Hexagonal grids have many advantages over square grids and could be successfully used in mobile robotics as a map representation. However, there is a lack of an essential algorithm, namely, SLAM (simultaneous localization and mapping), that would ...
Piotr Duszak
doaj +4 more sources
Hexagonal-Grid-Layout Image Segmentation Using Shock Filters: Computational Complexity Case Study for Microarray Image Analysis Related to Machine Learning Approaches [PDF]
Sensors, 2023 Hexagonal grid layouts are advantageous in microarray technology; however, hexagonal grids appear in many fields, especially given the rise of new nanostructures and metamaterials, leading to the need for image analysis on such structures.
Aurel Baloi +5 more
doaj +2 more sources
Ocean surface currents estimated from satellite remote sensing data based on a global hexagonal grid
International Journal of Digital Earth, 2023 Global ocean surface currents estimated from satellite derived data based on a regular global grid are affected by the grid’s shape and placement.
Wenbo Wang +4 more
doaj +2 more sources
Spatial prediction of the probability of liver fluke infection using a geographic weighted regression (GWR) model in waterways connecting the Mekong River, Sakon Nakhon of Thailand [PDF]
One HealthIntroduction: Liver flukes (Opisthorchis viverrine, OV) infections in water sources continue to persist in Sakon Nakhon Province, which is linked to the Mekong River.
Benjamabhorn Pumhirunroj +5 more
doaj +2 more sources
Hexagonal Grid-Based Framework for Mobile Robot Navigation
Remote Sensing, 2021 The paper addresses the problem of mobile robots’ navigation using a hexagonal lattice. We carried out experiments in which we used a vehicle equipped with a set of sensors. Based on the data, a traversable map was created.
Piotr Duszak +2 more
doaj +3 more sources
International Journal of Digital EarthDiscrete Global Grid Systems (DGGSs) are an emerging Earth reference model that support the integration and analysis of remote sensing (RS) data. Grid modeling, sampling, quantization, and storage are the key points and difficulties of DGGS.
Qishuang Liang +6 more
doaj +3 more sources
Total and Double Total Domination Number on Hexagonal Grid
Mathematics, 2019 In this paper, we determine the upper and lower bound for the total domination number and exact values and the upper bound for the double-total domination number on hexagonal grid H m , n with m hexagons in a row and n hexagons in a column ...
Antoaneta Klobučar, Ana Klobučar
doaj +3 more sources
International Journal of Digital EarthThe icosahedron is currently the mainstream polygon in research and application of discrete global grid systems (DGGS). However, compared to the rhombic triacontahedron (RT), the icosahedron has disadvantages, such as lower sphere-fitting accuracy ...
Xinhai Huang +4 more
doaj +3 more sources
Improved A* Navigation Path-Planning Algorithm Based on Hexagonal Grid
ISPRS International Journal of Geo-InformationNavigation systems are extensively used in everyday life, but the conventional A* algorithm has several limitations in path planning applications within these systems, such as low degrees of freedom in path planning, inadequate consideration of the ...
Zehua An, Xiaoping Rui, Chaojie Gao
doaj +3 more sources
An Information Fusion Model between GeoSOT Grid and Global Hexagonal Equal Area Grid
ISPRS International Journal of Geo-Information, 2022 In order to cope with the rapid growth of spatiotemporal big data, data organization models based on discrete global grid systems have developed rapidly in recent years.
Qingmei Li +4 more
doaj +1 more source