Showing 161 - 180 results of 413 for search 'complex spatial randomness', query time: 0.12s Refine Results
  1. 161

    Tree species classification using intensity patterns from individual tree point clouds by Andreas Tockner, Ralf Kraßnitzer, Christoph Gollob, Sarah Witzmann, Tim Ritter, Arne Nothdurft

    Published 2025-05-01
    “…However, recent studies assessing tree species labels on single tree point clouds have been insufficiently accurate in complex forest ecosystems; moreover, explainability of machine-learning methods used in published studies has been insufficient. …”
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    Article
  2. 162

    Synergistic use of multi-sensor satellite data for mapping crop types and land cover dynamics from 2021 to 2023 in Northeast Thailand by Savittri Ratanopad Suwanlee, Surasak Keawsomsee, Emma Izquierdo-Verdiguier, Álvaro Moreno-Martínez, Sarawut Ninsawat, Jaturong Som-ard

    Published 2025-07-01
    “…The significant challenges persist in accurately classifying crop types in highly fragmented cropland regions characterized by small field sizes, complex landscapes, and highly frequent cloud cover. …”
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    Article
  3. 163

    The abundance and sett ecological characteristics of the Asian badger (Meles leucurus) in the Northeast Tiger and Leopard National Park (NE China) by Jiawei Li, Dongrui Li, Yanwen Fu, Yiwen Ma, Jianping Ge, Limin Feng

    Published 2024-12-01
    “…The sett is a crucial resource for badgers, serving various functions and significantly influencing their spatial ecology. The selection of sett sites is also a complex behavior. …”
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    Article
  4. 164

    Mapping forest types along ecological gradient in Pakistan by Naveed Ahmad, Syed Ghias Ali

    Published 2025-01-01
    “…Environmental variables influence the spatial distribution, pattern and structure of vegetation in complex mountainous landscape along varied geographical conditions. …”
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    Article
  5. 165

    SAM-Based Efficient Feature Integration Network for Remote Sensing Change Detection: A Case Study on Macao Sea Reclamation by Junqing Huang, Junqi Bao, Min Xia, Xiaochen Yuan

    Published 2025-01-01
    “…To utilize the visual recognition capabilities of SAM for improving RSCD, we propose an SAM-based efficient feature integration network (EFI-SAM). Random fourier features adaptor (RFFA) is utilized to enhance Mobile SAM’s capability for extracting general features from complex RSIs, resulting in adaptive Mobile SAM, which serves as the feature extractor of EFI-SAM. …”
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    Article
  6. 166

    Spatiotemporal Analysis of Multi-UAV Persistent Search and Retrieval with Stochastic Target Appearance by Ryan Day, John L. Salmon

    Published 2025-02-01
    “…Spatial patterns are analyzed through principal components analysis and random forest surrogate modeling with profiling to understand non-linear parameter influences. …”
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    Article
  7. 167

    GNSS-R-Based wildfire detection: a novel and accurate method by Xuke Wang, Wei Yao

    Published 2024-12-01
    “…Error analysis indicates no systematic errors, with CNN exhibiting lower fire detection errors and better spatial alignment with actual conditions than RF, which tends to overestimate. …”
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    Article
  8. 168

    Improved Cylinder-Based Tree Trunk Detection in LiDAR Point Clouds for Forestry Applications by Shaobo Ma, Yongkang Chen, Zhefan Li, Junlin Chen, Xiaolan Zhong

    Published 2025-01-01
    “…For LiDAR-acquired forest point cloud data, existing two-dimensional (2D) plane-based algorithms for tree trunk detection often suffer from spatial information loss, resulting in reduced accuracy, particularly for tilted trees. …”
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    Article
  9. 169

    Mapping Tropical Forested Wetlands Biomass with LiDAR: A Machine Learning Comparison by Jonathan V. Solórzano, Candelario Peralta-Carreta, J. Alberto Gallardo-Cruz

    Published 2025-03-01
    “…This study underscores the effectiveness of LiDAR-derived metrics for AGB estimation in complex forested environments.…”
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    Article
  10. 170

    Assessing the impact of fixed speed cameras on speeding behavior and crashes: A longitudinal study in New York City by Jingqin Gao, Di Yang, Chuan Xu, Kaan Ozbay, Smrithi Sharma

    Published 2025-03-01
    “…Leveraging speeding tickets from 1,821 fixed speed cameras in school zones and crash data, this study employs interrupted time-series, spatial distribution, clustering analysis, and Survival Analysis with a random effect (SARE) to investigate if such a program brings about immediate and/or long-term change in speeding behaviors and crash reduction. …”
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    Article
  11. 171

    Spatiotemporal pattern and driving factors of atmospheric CO2 concentrations based on satellite remote sensing from 2001 to 2022 in central Yunnan plateau by Yunling He, Xiaohua Zhang, Ning Pu, Chunyan Wu, Wu Tang

    Published 2025-04-01
    “…Using Geographically and Temporally Weighted Regression (GTWR) and Geographical detector (GD), a prediction model was established to explore the complex relationship between 14 driving factors of 3 different types (including urban spatial configuration, natural factors and socioeconomic factors) and the annual CO2 concentrations. …”
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    Article
  12. 172

    Integrated Single-Cell Analysis Revealed Novel Subpopulations of Foamy Macrophages in Human Atherosclerotic Plaques by Yunrui Lu, Shuang Wu, Shiyu Zhu, Jian Shen, Chang Liu, Chaoyue Zhao, Sheng’an Su, Hong Ma, Meixiang Xiang, Yao Xie

    Published 2024-12-01
    “…Foam cell formation is a hallmark of atherosclerosis, yet the cellular complexity within foam cells in human plaques remains unexplored. …”
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    Article
  13. 173

    Temporal Denoising of Infrared Images via Total Variation and Low-Rank Bidirectional Twisted Tensor Decomposition by Zhihao Liu, Weiqi Jin, Li Li

    Published 2025-04-01
    “…Temporal random noise (TRN) in uncooled infrared detectors significantly degrades image quality. …”
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    Article
  14. 174

    Quantifying the impact of urban blue-green spaces on humid-heat exposure risk: A case study of Nanjing’s central urban area by Yueyue Ma, Chenfeng Xu, Zhijie Yang

    Published 2025-07-01
    “…This dataset was further combined with conventional heat exposure assessment methods to develop a novel Population-Weighted Humid Heat Exposure Index (PWHHEI). The spatial distribution patterns between PWHHEI and urban blue-green spaces (UBGS) were analyzed using the bivariate Local Moran’s I statistic, and a Geographically Weighted Random Forest model was applied to assess the regulatory effects of UBGS morphological characteristics on humid-heat exposure and their spatial heterogeneity. …”
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    Article
  15. 175

    Harnessing deep learning and CRF for prior-knowledge modeling of crop dynamics by Laura Elena Cué La Rosa, Dario Augusto Borges Oliveira, Raul Queiroz Feitosa

    Published 2025-08-01
    “…Traditional models like Conditional Random Fields (CRFs) have been useful in classifying crop types using spatial and temporal contexts. …”
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    Article
  16. 176

    Spatiotemporal evaluation and impact of superficial factors on surface water quality for drinking using innovative techniques in Mahanadi River Basin, Odisha, India by Abhijeet Das

    Published 2025-06-01
    “…The study determined the water quality (WQ) index and its spatial distribution of pollutants. For its purpose, by employing innovative techniques, such as Methods Based on Removal Effects of Criteria (MEREC/Me) Water Quality Index (WQI), Multi-Criteria Decision-Making analysis namely Additive Ratio Assessment (ARAS) modeling and Machine Learning approaches entitled as Random Forest (RF) technique, the present study identifies locations, which have encountered the highest influence of cumulative factors such as discharge of sewage, lowering of water table, dilution and surface runoff, which lead to water quality variability in a water body over a monitoring period. …”
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  17. 177

    Geoinformatics-based prioritisation of natural resources rich regions at disaggregated levels for sustainable management by T. V. Ramachandra, Paras Negi

    Published 2025-03-01
    “…Modeling likely land uses through the simulation of long-term spatial variations of complex patterns has been done through the CA–Markov model. …”
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    Article
  18. 178

    Rapid Laser Ranging Method for Compact LiDAR Systems by Jiahui Guo, Bo Gao, Xiaojun Liu, Junya Wang, Zheng You

    Published 2025-03-01
    “…It employs a high signal-to-noise ratio (SNR) coherent detection scheme to minimize the required measurement integration time, while also addressing key challenges encountered by existing rapid coherent ranging methods in compact systems—namely, device fabrication difficulties, the complexity of parallel Doppler frequency shift (DFS) decoupling, and endpoint effect elimination—through low-depth pseudo-random phase modulation (LD-PRPM). …”
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  19. 179

    A Machine Learning-Based Method for Lithology Identification of Outcrops Using TLS-Derived Spectral and Geometric Features by Yanlin Shao, Peijin Li, Ran Jing, Yaxiong Shao, Lang Liu, Kunpeng Zhao, Binqing Gan, Xiaolei Duan, Longfan Li

    Published 2025-07-01
    “…Lithological identification of outcrops in complex geological settings plays a crucial role in hydrocarbon exploration and geological modeling. …”
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    Article
  20. 180

    Energy Stealth Evaluation of Radar Systems with a Space–Time Modulated Probing Signal by V. M. Kutuzov, V. P. Ipatov, S. S. Sokolov

    Published 2024-12-01
    “…The article considers the possibility of increasing the energy stealth of a radar system with a complex quasi-continuous signal due to additional spatial modulation of the probing signal in the radiation mode and the use of MIMO technology when receiving and processing reflected signals.Aim. …”
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    Article