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2301
Moving Target Localization in Sports Image Sequence Based on Optimized Particle Filter Hybrid Tracking Algorithm
Published 2021-01-01“…In order to determine the initial absolute position of the stadium positioning, for athletes entering the stadium from the outside, a seamless switching algorithm outside the stadium is proposed, using the characteristics of high-altitude satellite GPS to find a suitable switching point as the initial absolute position. …”
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2302
Event-Based Visual/Inertial Odometry for UAV Indoor Navigation
Published 2024-12-01“…It is complex and challenging due to dynamic scenes, limited space, and, more importantly, the unavailability of global navigation satellite system (GNSS) signals. Recently, new sensors have emerged, namely event cameras, which show great potential for indoor navigation due to their high dynamic range and low latency. …”
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2303
In-Lane Localization and Ego-Lane Identification Method Based on Highway Lane Endpoints
Published 2020-01-01“…The low-cost global navigation satellite systems combined with an inertial navigation system (GNSS/INS) used most frequently for vehicle localization show errors up to 10 m, approximately, even in open-sky environments such as highways. …”
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2304
Agricultural Drought Monitoring Using Climatic, Vegetation and Soil Moisture Data in Hormozgan Province
Published 2022-03-01“…For this purpose, soil moisture data at a depth of 0-10 cm was calculated from GLDAS satellite images and standardized soil moisture drought index (SMDI) and standardized normalized difference vegetation index (SNDVI) were used to calculate changes in vegetation cover. …”
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2305
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2306
Solar Wind Speed Prediction With Two‐Dimensional Attention Mechanism
Published 2021-07-01“…Solar wind speed prediction is improved by making full use of OMNI data measured at Lagrangian Point 1 (L1) by the National Aeronautics and Space Administration (NASA) and image data observed by the Solar Dynamics Observatory (SDO) satellite in this work. Specifically, we propose a model based on the “two‐dimensional attention mechanism” (TDAM) to predict solar wind speed. …”
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2307
A Comparison of a GNSS‐GIM and the IRI‐2020 Model Over China Under Different Ionospheric Conditions
Published 2023-10-01“…Abstract The ionosphere is a crucial factor affecting Global Navigation Satellite System positioning. The Global Ionosphere Map (GIM) or the International Reference Ionosphere (IRI) model can be used for regional ionospheric correction. …”
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2308
Thermospheric neutral wind studies over the equatorial region: A review
Published 2025-01-01“…Various ground-based and satellite missions have provided valuable information on the contribution of neutral winds to the global atmospheric dynamics. …”
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2309
Adaptive Multimodal Fusion with Cross-Attention for Robust Scene Segmentation and Urban Economic Analysis
Published 2025-01-01“…The method analyzes urban economic activities and spatial layout using satellite and street view images, with applications in traffic flow and business activity intensity, highlighting its practical significance. …”
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2310
Surface Multi-Hazard Effects of Underground Coal Mining in Mountainous Regions
Published 2025-01-01“…Taking a coal mine in southwestern China as a case study, a detailed catalog of the surface hazards in the study area was created based on multi-temporal satellite imagery interpretation and Unmanned aerial vehicle (UAV) surveys. …”
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2311
Space-based long term condition monitoring of cold region pavement with PS-InSAR
Published 2025-01-01“…Analyses were conducted using 132 ascending and 149 descending C-band InSAR images from the Sentinel-1 satellite. InSAR algorithm based on Persistent scatterers (PS-InSAR) were implemented for data analyses. …”
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2312
Assimilation of GNSS Measurements for Estimation of High‐Latitude Convection Processes
Published 2020-07-01“…Electron densities are derived from global navigation satellite system (GNSS) total electron content measurements using Ionospheric Data Assimilation Four‐Dimensional (IDA4D). …”
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2313
Forecasting GIC Activity Associated With Solar Wind Shocks for the Australian Region Power Network
Published 2022-11-01“…The initial data set for analysis was produced by programmatically scanning solar wind data obtained from the ACE satellite spanning the period 1998–2008 for solar wind shocks. …”
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2314
PROSPECTS FOR THE DEVELOPMENT OF THE TRADITIONAL ECONOMY IN THE CONTEXT OF THE DIGITAL TRANSFORMATION OF THE ARCTIC ECONOMY
Published 2024-12-01“…The study also analyzes the digital technologies used by traditional farms, such as the Internet of Things (IoT), satellite communications, and digital platforms. It identifies promising directions for the digitalization of production management processes, including reducing economic risks associated with agrometeorological assessments, forecasting pasture conditions, automating processes, introducing additive technologies, enhancing communication, and improving the quality of life for workers on traditional farms.…”
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2315
Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
Published 2025-01-01“…Taking the high-density urban districts of the Macau Peninsula and Monaco as examples, this study divides the planning index of open space green quantity into two dimensions: the blue-green spaces occupancy rate (BGOR) within urban land areas and the blue-green spaces visibility rate (BGVR) of the main streetscape. Using satellite remote-sensing maps, GIS databases, and street-view images, this study evaluates the current green quantity in both regions and compares them to identify best practices. …”
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2316
A Comparison of Auroral Oval Proxies With the Boundaries of the Auroral Electrojets
Published 2024-04-01“…Using statistics and conjunction events we compare our electrojet boundary data set with an existing electrojet boundary data set, based on Swarm satellite measurements, and auroral oval proxies based on particle precipitation and field‐aligned currents. …”
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2317
Improving the Extraction Ability of Thermospheric Mass Density Variations From Observational Data by Deep Learning
Published 2023-07-01“…The observations of CHAllenging Minisatellite Payload are utilized in the training phase, while the Gravity Recovery and Climate Experiment, High Accuracy Satellite Drag Model and Naval Research Laboratory Mass Spectrometer and Incoherent Scatter radar Extended model are used to evaluate the performance of the DL model. …”
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2318
Evaluation on the Quasi‐Realistic Ionospheric Prediction Using an Ensemble Kalman Filter Data Assimilation Algorithm
Published 2020-03-01“…The slant total electron contents (TECs) from global International Global Navigation Satellite Systems Service ground‐based receivers and from the Constellation Observing System for Meteorology, Ionosphere and Climate are assimilated into the system, and the ionosphere is then predicted in advance during the quiet interval of 23 to 27 March 2010. …”
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2319
Observing System Impact on Ionospheric Specification Over China Using EnKF Assimilation
Published 2020-10-01“…Effects of different observation types, including the slant total electron content from Beidou System geostationary satellite and Global Position System and electron density observations from ionosondes and incoherent scattering radar on the ionospheric nowcasting and forecasting, are examined by the accurate specification of ionosphere key parameters (total electron content and 3‐D electron density). …”
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2320
Assessment of Roof Tilt and Building Azimuth for Off-Grid Photovoltaic Power for Buildings in Metropolitan Lagos, Nigeria
Published 2024-06-01“…The data were obtained via literature, Global Positioning System (GPS) systems, energy models and site visits; and comprised manual and satellite imagery, dimensions, roof angles and coordinates of the building structures in the study area (Rows between 0 – 60o, Columns between 0 – 180o; System sizes: 533 kW, 110 kW and 0.547 kW). …”
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