Search alternatives:
coefficient » efficient (Expand Search)
Showing 441 - 460 results of 1,018 for search 'complex (selection OR detection) coefficient', query time: 0.11s Refine Results
  1. 441

    An evaluation of single and multi-date Landsat image classifications using random forest algorithm in a semi-arid savanna of Ghana, West Africa by Eric Adjei Lawer

    Published 2024-12-01
    “…Significant negative correlations observed between the number of classes in LULC schemes and overall accuracy and kappa coefficient indicate that the more complex the LULC scheme, the lower the accuracy produced. …”
    Get full text
    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
    “…Automatic acquisition of phenotypic traits in tomato plants is important for tomato variety selection and scientific cultivation. Because of time-consuming and labor-intensive traditional manual measurements, the lack of complete structural information in two-dimensional (2D) images, and the complex structure of the plants, it is difficult to automatically obtain the phenotypic traits of the tomato canopy. …”
    Get full text
    Article
  3. 443

    Research results of local samples of winter garlic in the Republic of Dagestan by N. M. Nimatulaev, V. G. Suzan, N. V. Litvinenko, I. V. Grekhova

    Published 2023-10-01
    “…Sample 2-13-1 also exceeded the average values for the number of bulbs and bulb mass, but it had an average bulbs less than 20 g and a coefficient of variation of 41%. The results of studying the collection of Dagestan origin showed that the samples represented a complex population with high differentiation in bulb mass and inflorescence characteristics, which made it possible to isolate the source material using individual selection. …”
    Get full text
    Article
  4. 444

    Looking outside the box with a pathology aware AI approach for analyzing OCT retinal images in Stargardt disease by Parisa Khateri, Tiana Koottungal, Damon Wong, Rupert W. Strauss, Lucas Janeschitz-Kriegl, Maximilian Pfau, Leopold Schmetterer, Hendrik P. N. Scholl

    Published 2025-02-01
    “…In severely affected regions, identified by a box detection model, the total retina is segmented as a single layer to avoid errors. …”
    Get full text
    Article
  5. 445

    Sparse Feature-Weighted Double Laplacian Rank Constraint Non-Negative Matrix Factorization for Image Clustering by Hu Ma, Ziping Ma, Huirong Li, Jingyu Wang

    Published 2024-11-01
    “…Additionally, many NMF variants face challenges when dealing with complex data distributions and are vulnerable to noise and outliers. …”
    Get full text
    Article
  6. 446

    Assessment of Microsatellite Genetic Diversity of Cultured Eriocheir sinensis Populations from Jiangsu and Anhui by Yuting HU, Jun LING, He JIANG, Huan WANG, Tingshuang PAN, Guoqing DUAN, Huaxing ZHOU, Min YANG, Tong LI

    Published 2024-12-01
    “…Analysis of molecular variance (AMOVA) and the coefficient of genetic differentiation (Fst) were performed using Arlequin 3.5 software. …”
    Get full text
    Article
  7. 447

    Performance of Machine Learning Classifiers for Diabetes Prediction by Mijala Manandhar, Shaikat Baidya, Babalpreet Kaur, Katia Atoji

    Published 2024-08-01
    “…Decision Table offered a clear representation of decision rules but was limited by the complexity of the dataset. In the Trees group, J48 was the most effective, benefitting from its ability to handle complex interactions and numerous features. …”
    Get full text
    Article
  8. 448

    Exergetic calculation of the efficiency of heat pump installations for a private building by О. Стенін, В. Пасько, М. Солдатова, І. Дроздович

    Published 2025-02-01
    “…This article offers an exergetic calculation of the coefficient of the degree of thermodynamic perfection for the selection of the appropriate heat pump for the selected scheme of the heat pump installation and real operating conditions. …”
    Get full text
    Article
  9. 449

    Determination of correlation between cytokines IL 6, IL8, IL10, IL12, IL17 and severity of hepatocellular carcinoma in patients having hepatitis C by Ishtiaq Ahmad, Hamidullah, Ashraf, Murad Ali, Manzoor Hussain, Rehman Ud Din

    Published 2024-11-01
    “…Method: The retrospective, cross-sectional, analytical study was conducted at the Department of Medicine, Mardan Medical Complex, Mardan, Khyber Pakhtunkhwa, Pakistan, and comprised data of hepatocellular carcinoma patients who were positive for hepatitis C on polymerase chain reaction test from March 2021 to December 2022. …”
    Get full text
    Article
  10. 450

    Research on Deep Integration of the “Belt and Road” Aviation Network Based on Community Structure from the Perspective of China by Hongguang Yao, Huihui Xiao

    Published 2023-01-01
    “…The international airline links in the “Belt and Road” aviation network are more complex. A total of 118 key nodes were identified, of which 83.1% were in the top 20% of overall network centrality.…”
    Get full text
    Article
  11. 451

    SAMU-Net: A dual-stage polyp segmentation network with a custom attention-based U-Net and segment anything model for enhanced mask prediction by Radiful Islam, Rashik Shahriar Akash, Md Awlad Hossen Rony, Md Zahid Hasan

    Published 2024-12-01
    “…Early detection of colorectal cancer through the proper segmentation of polyps in the colonoscopy images is crucial. …”
    Get full text
    Article
  12. 452
  13. 453
  14. 454
  15. 455

    Salting-Out Assisted Liquid-Liquid Extraction of Cr (VI) from Water Samples before Its Determination by UV-Vis Spectrophotometry by Jote Dame, Feyisa Wedajo, Guyo Jilo Molole, Abera Gure

    Published 2023-01-01
    “…This paper proposes salting-out assisted liquid-liquid extraction for selective extraction of a Cr (VI)-1,5-diphenylcarbazide complex before its determination by UV-Vis spectrophotometry. …”
    Get full text
    Article
  16. 456

    Evaluation methods of clay stabilizer in shale reservoirs based on X-ray diffraction and capillary suction time by HE Yanlong, WANG Xin, XUE Xiaojia, HUANG Hai, WU Jiang, LIU Xiaoqing, TANG Siyuan, HU Zhiqiang

    Published 2025-05-01
    “…It was found that they all had the same changing trend as the detected CEC. By introducing the proportional coefficient, the detected and calculated CST was fitted with the calculated CEC, and the corresponding fitted detection value of CEC was obtained. …”
    Get full text
    Article
  17. 457

    Comparative Evaluation of Decision Tree (M5) and Least Square Support Vector Machine (LS-SVM) Models for Groundwater Level Prediction in the Mashhad Plain by Vajihe Ramezani saani, Mahdi Zarei, Seyed Morteza Seyedian

    Published 2025-03-01
    “…Nowadays, the application of intelligent models for estimating groundwater levels is increasing due to their ease of use and high accuracy in estimating complex and nonlinear mathematical equations. The aim of the present study is to estimate the groundwater table level of the Mashhad plain aquifer using the decision tree model (M5) and to compare it with the least squares support vector machine model (LS-SVM) under 10 different scenarios.Method: For this purpose, monthly climatic data (precipitation, evaporation, and temperature) and groundwater level information from 60 piezometric wells over a 10-year statistical period were utilized, and the employed models were evaluated using statistics such as the coefficient of determination (R2), RMSE, and MBE.Results: The results of the LS-SVM model indicated that the highest simulation accuracy belonged to scenario 4, followed by scenario 9, while the other scenarios exhibited very low accuracy in simulating the water level. …”
    Get full text
    Article
  18. 458

    A clean self-diverting acid for carbonate reservoir in deep wells at high temperatures and its performance evaluation by Xiangsen Gao, Min Wang, Xian Shi, Bin Li, Jian Mao, Poplygin Vladimir Valerievich

    Published 2025-07-01
    “…The innovative clean self-diverting acid fulfills all requirements for deep acid fracturing in deep high-temperature oil and gas reservoirs with complex geological characteristics.…”
    Get full text
    Article
  19. 459

    Fractal-Based Architectures with Skip Connections and Attention Mechanism for Improved Segmentation of MS Lesions in Cervical Spinal Cord by Rukiye Polattimur, Mehmet Süleyman Yıldırım, Emre Dandıl

    Published 2025-04-01
    “…<b>Conclusions</b>: For segmentation of the CSC region and detection of MS lesions, the proposed fractal-based Con-FractalU-Net and Att-FractalSpiNet architectures achieved higher scores than the baseline U-Net architecture, particularly in segmenting small and complex structures.…”
    Get full text
    Article
  20. 460

    Advanced Hybrid Brain Tumor Segmentation in MRI: Elephant Herding Optimization Combined with Entropy-Guided Fuzzy Clustering by Baiju Karun, Arunprasath Thiyagarajan, Pallikonda Rajasekaran Murugan, Natarajan Jeyaprakash, Kottaimalai Ramaraj, Rakhee Makreri

    Published 2024-12-01
    “…Accurate and early detection of brain tumors is essential for improving clinical outcomes and guiding effective treatment planning. …”
    Get full text
    Article