Showing 441 - 460 results of 535 for search '(image OR images) clustering algorithm', query time: 0.17s Refine Results
  1. 441

    UOrtos: Methodology for Co-Registration and Subpixel Georeferencing of Satellite Imagery for Coastal Monitoring by Gonzalo Simarro, Daniel Calvete, Francesca Ribas, Yeray Castillo, Càrol Puig-Polo

    Published 2025-03-01
    “…The approach utilizes feature-based methods, cross-correlation, and RANSAC (RANdom SAmple Consensus) algorithms to accurately align images while avoiding outliers. …”
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    Article
  2. 442

    Calculation Method of Phenotypic Traits for Tomato Canopy in Greenhouse Based on the Extraction of Branch Skeleton by Xiaodan Ma, Qiu Jiang, Haiou Guan, Lu Wang, Xia Wu

    Published 2024-11-01
    “…In addition, the DBSCAN clustering algorithm was applied to recognize individual leaf organs. …”
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    Article
  3. 443

    Unsupervised Feature Selection With Ordinal Preserving Self-Representation by Jiangyan Dai, Yuqi Chen, Yugen Yi, Jining Bao, Lei Wang, Wei Zhou, Gang Lei

    Published 2018-01-01
    “…In this paper, we propose a novel unsupervised feature selection algorithm, namely ordinal preserving self-representation (OPSR) for image classification and clustering. …”
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    Article
  4. 444

    Multispecies Coevolution Particle Swarm Optimization Based on Previous Search History by Danping Wang, Kunyuan Hu, Lianbo Ma, Maowei He, Hanning Chen

    Published 2017-01-01
    “…A hybrid coevolution particle swarm optimization algorithm with dynamic multispecies strategy based on K-means clustering and nonrevisit strategy based on Binary Space Partitioning fitness tree (called MCPSO-PSH) is proposed. …”
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    Article
  5. 445

    An Approach for RGB-Guided Dense 3D Displacement Estimation in TLS-Based Geomonitoring by Z. Wang, J. A. Butt, J. A. Butt, S. Huang, N. Meyer, T. Medić, A. Wieser

    Published 2025-07-01
    “…Our method comprises three main steps: (1) applying the Efficient-LoFTR algorithm to establish dense 2D pixel correspondences on RGB images across two epochs; (2) projecting 3D points from both epochs onto RGB images and establishing 3D point correspondences by matching the projected pixels with the established 2D correspondences; (3) clustering the point cloud of one epoch and refining the 3D point correspondences within each cluster to produce the final displacement vector fields. …”
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    Article
  6. 446

    An Energy-Domain IR NUC Method Based on Unsupervised Learning by Ting Li, Xuefeng Lai, Sheng Liao, Yucheng Xia

    Published 2025-01-01
    “…The maximum change in the image corrected using the proposed algorithm was 1.29%.…”
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  7. 447

    Information-extremе machine learning for object identification on the terrain by V. V. Moskalenko, A. H. Korobov

    Published 2016-06-01
    “…The article deals with the usage of a SURF local descriptor of key fragments to create a global descriptor BoF for objects of interest on terrain within task of recognition of armored technique in the controlled territory using images of air reconnaissance. The method of optimization of the input mathematical description of the information-extreme classifier trained on dataset, which consist of global descriptors BoF, is proposed. …”
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    Article
  8. 448

    Urban pulse: measuring pace of life through public camera-based cadence analysis by Pei-Yu Ho, Ming-Kuang Chung, Ling-Jyh Chen

    Published 2025-08-01
    “…The Real-Time Image Collection Module autonomously gathers video streams from a network of public live cameras; the Pedestrian Feature Extraction Module employs the You Only Look Once version 7 (YOLOv7) model along with the Simple Online and Real-Time Tracking (SORT) algorithm to produce time series data of pedestrian characteristics; following this, the Pedestrian Cadence Estimation Module applies signal processing to these data to evaluate pedestrian cadence. …”
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    Article
  9. 449

    Machine Learning and Deep Learning for Crop Disease Diagnosis: Performance Analysis and Review by Habiba Njeri Ngugi, Andronicus A. Akinyelu, Absalom E. Ezugwu

    Published 2024-12-01
    “…The review method includes an in-depth analysis of algorithm performance using key metrics such as accuracy, precision, recall, and F1 score across various datasets. …”
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  10. 450
  11. 451

    SpatialKNifeY (SKNY): Extending from spatial domain to surrounding area to identify microenvironment features with single-cell spatial omics data. by Shunsuke A Sakai, Ryosuke Nomura, Satoi Nagasawa, SungGi Chi, Ayako Suzuki, Yutaka Suzuki, Mitsuho Imai, Yoshiaki Nakamura, Takayuki Yoshino, Shumpei Ishikawa, Katsuya Tsuchihara, Shun-Ichiro Kageyama, Riu Yamashita

    Published 2025-02-01
    “…Using spatial transcriptomic data from breast cancer, we applied the SKNY algorithm to identify tumor spatial domains, followed by clustering of the domains, trajectory estimation, and spatial extension to the tumor microenvironment (TME). …”
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    Article
  12. 452

    Measurements and Characterization for Millimeter-Wave Massive MIMO Channel in High-Speed Railway Station Environment at 28 GHz by Shuangde Li, Yuanjian Liu, Leke Lin, Qi Sun

    Published 2021-01-01
    “…And they are processed by using the K-mean algorithm. In addition, propagation characteristics are simulated based on the improved ray tracing method of shooting and bouncing ray tracing/image (SBR/IM). …”
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    Article
  13. 453

    Classification of Upper Bound Sequences of Local Fractional Metric Dimension of Rotationally Symmetric Hexagonal Planar Networks by Shahbaz Ali, Muhammad Khalid Mahmood, Fairouz Tchier, F. M. O. Tawfiq

    Published 2021-01-01
    “…In the field of computer science, metric dimensions are most useful in aspects such as image processing, navigation, pattern recognition, and integer programming problem. …”
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  14. 454

    A Novel IKP-Based Biometric Recognition Using Mobile Phone Camera by Xue-Miao Xu, Xiao-Zheng Lai, Qiang Jin, Xue-Han Yuan, Sheng-Li Lai, Yan-Wen Lin, Jian-Wen Huang

    Published 2015-10-01
    “…Since IKP characteristics are captured by using mobile phone camera, the greatest challenge is that IKP images from the same hand have different illumination, posture, and background. …”
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    Article
  15. 455

    Agricultural crop pattern mapping and change analysis at a sub-district level in South-eastern region, Bangladesh using Landsat satellite data from 2010 to 2019 by Biswajit Nath, Monir Hossain, Sahadeb Chandra Majumder

    Published 2022-12-01
    “…To overcome this, we have considered frequently used traditional unsupervised classifier, such as K-means clustering algorithm technique. This has been applied on 30m pixel Landsat satellite reflectance images to identify crop pattern of the study area using the ENVI 5.3 and ArcGIS 10.8 software’s, respectively. …”
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    Article
  16. 456

    Machine-Learning-Based Integrated Mining Big Data and Multi-Dimensional Ore-Forming Prediction: A Case Study of Yanshan Iron Mine, Hebei, China by Yuhao Chen, Gongwen Wang, Nini Mou, Leilei Huang, Rong Mei, Mingyuan Zhang

    Published 2025-04-01
    “…The specific research contents and results are as follows: (1) This study collected and organized multi-source geoscience data for the Yanshan Iron Mine, including geological, geophysical, and remote sensing data, such as mine drilling data, centimeter-level drone image data, and high-spectral data of rocks and minerals, establishing a rich mine big data set. (2) SOM clustering analysis was performed on the elemental data of rock and mineral samples, identifying key elements positively correlated with iron as Mg, Al, Si, S, K, Ca, and Mn. …”
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  17. 457

    An Efficient Cryptosystem for Video Surveillance in the Internet of Things Environment by Rafik Hamza, Alzubair Hassan, Teng Huang, Lishan Ke, Hongyang Yan

    Published 2019-01-01
    “…Finally, the proposed framework performs an efficient image encryption algorithm by employing a discrete fractional random transform (DFRT). …”
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  18. 458

    Application of support vector machine system introducing multiple submodels in data mining by Weinan Tang

    Published 2024-12-01
    “…By introducing open-source tools such as OpenCV, image feature extraction can be performed on large-scale video data. …”
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  19. 459

    Fuzzy Intelligence in Physical Immersion Teaching System Based on Digital Simulation Technology by Aihui Du

    Published 2022-01-01
    “…In addition, this study proposes a new algorithm based on the morphological features of geometric images, which combines the transformation detection method of cluster analysis to realize the intelligent processing of images. …”
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    Article
  20. 460

    Automatic Extraction Method of Phenotypic Parameters for <i>Phoebe zhennan</i> Seedlings Based on 3D Point Cloud by Yang Zhou, Yikai Qi, Longbin Xiang

    Published 2025-04-01
    “…First, the processed point cloud image was aligned using the Sample Consensus Initial Aligment (SAC-IA) and Iterative Closest Point (ICP) algorithms to generate a three-dimensional model of the seedlings. …”
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    Article