Search alternatives:
improve model » improved model (Expand Search)
Showing 2,001 - 2,020 results of 14,154 for search 'improve model algorithm', query time: 0.18s Refine Results
  1. 2001

    A Rectangular Toroidal Current-Based Approach for Lung Biopsy Needle Tracking by Hongliang Pei, Qingwen Fan, Yixiang Duan, Lang Xiao

    Published 2025-04-01
    “…An alternating electromagnetic field (~70 kHz) is modeled based on the Biot–Savart law. Induced voltages from multiple transmitting coils are processed using Fourier transform algorithms to separate frequencies, enabling the independent extraction of each coil’s signal. …”
    Get full text
    Article
  2. 2002

    Optimization of shielded metal arc welding process parameters on weld bead geometry using Jaya algorithm and Firefly algorithm by Pushp Kumar Baghel

    Published 2025-07-01
    “…This shows the accuracy and refinement of results using algorithms. The real world verification is done from the regression model. …”
    Get full text
    Article
  3. 2003

    Improving forest above-ground biomass estimation using genetic-based feature selection from Sentinel-1 and Sentinel-2 data (case study of the Noor forest area in Iran) by Armin Moghimi, Ava Tavakoli Darestani, Nikrouz Mostofi, Mahdiyeh Fathi, Meisam Amani

    Published 2024-04-01
    “…Furthermore, incorporating GA-based feature selection substantially improved the accuracy of both models, resulting in more dependable AGB estimations. …”
    Get full text
    Article
  4. 2004

    Combination of the Improved Diffraction Nonlocal Boundary Condition and Three-Dimensional Wide-Angle Parabolic Equation Decomposition Model for Predicting Radio Wave Propagation by Ruidong Wang, Guizhen Lu, Rongshu Zhang, Weizhang Xu

    Published 2017-01-01
    “…Numeric computation and measurement results demonstrate the computational accuracy and speed of the WA-3DPE decomposition model with the improved diffraction nonlocal BC.…”
    Get full text
    Article
  5. 2005

    Identification of polynomial models of static load characteristics based on passive experiment results by N. L. Batseva, A. K. Zhuykov

    Published 2024-04-01
    “…In the paper, the technique based on the initial identification of the linear model, defined by EM-algorithm, and continued by the Lagrange multiplier method optimization with iterations by the Newton method is suggested.Results and discussion. …”
    Get full text
    Article
  6. 2006

    Sinkhole attack detection based on fusion of ACO and P2P trust model in WSN by Wumaier HENIGULI

    Published 2016-04-01
    “…For the Sinkhole attack problem of wireless sensor network(WSN),a detection algorithm based on fusion of ant colony optimization(ACO)and P2P trust model was proposed.Firstly,ant colony optimization algorithm was used to detect the existence of a Sinkhole attack in route and generate the alarm information of sensor nodes. …”
    Get full text
    Article
  7. 2007

    Sinkhole attack detection based on fusion of ACO and P2P trust model in WSN by Wumaier HENIGULI

    Published 2016-04-01
    “…For the Sinkhole attack problem of wireless sensor network(WSN),a detection algorithm based on fusion of ant colony optimization(ACO)and P2P trust model was proposed.Firstly,ant colony optimization algorithm was used to detect the existence of a Sinkhole attack in route and generate the alarm information of sensor nodes. …”
    Get full text
    Article
  8. 2008

    Mathematical modeling and optimization of the active suspension system of a 6x6 electric vehicle by Berk Aydoğan, Ahmet Yildiz

    Published 2025-08-01
    “…“Bump type” and “Random type” road model scenarios as road inputs were created. In the mathematical model, simulations of models with passive and active suspension systems were carried out and system accuracy was confirmed. …”
    Get full text
    Article
  9. 2009
  10. 2010

    Robust Bi-Objective Optimization and Dynamic Modeling of Hydropneumatic Suspension Unit Considering Real Gas Effects by Di Sun, Moonsuk Chang, Jinho Kim

    Published 2025-06-01
    “…The optimized design based on a metamodel and a hybrid metaheuristic algorithm resulted in an 81.4% reduction in peak lateral forces and a 53.3% improvement in acceleration robustness, which marks a significant increase in suspension system durability. …”
    Get full text
    Article
  11. 2011

    DCMC-UNet: A Novel Segmentation Model for Carbon Traces in Oil-Immersed Transformers Improved with Dynamic Feature Fusion and Adaptive Illumination Enhancement by Hongxin Ji, Jiaqi Li, Zhennan Shi, Zijian Tang, Xinghua Liu, Peilin Han

    Published 2025-06-01
    “…For blurred carbon trace images caused by unstable light reflection and illumination in transformer oil, an improved CLAHE algorithm is developed, incorporating learnable parameters to balance luminance and contrast while enhancing edge features of carbon traces. …”
    Get full text
    Article
  12. 2012
  13. 2013

    HAMF: A Novel Hierarchical Attention-Based Multi-Modal Fusion Model for Parkinson’s Disease Classification and Severity Prediction by Anitha Rani Palakayala, P. Kuppusamy, D. Kothandaraman, Gunakala Archana, Jaideep Gera

    Published 2025-01-01
    “…This leads to richer feature extraction, besides fusing different data modalities with accurate integration. Genetic Algorithm (GA) and Particle Swarm Optimization (PSO) methods are used in optimizing the model, by which the convergence speed raised by 15–20 %. …”
    Get full text
    Article
  14. 2014

    Enhanced Short-Term PV Power Forecasting via a Hybrid Modified CEEMDAN-Jellyfish Search Optimized BiLSTM Model by Yanhui Liu, Jiulong Wang, Lingyun Song, Yicheng Liu, Liqun Shen

    Published 2025-07-01
    “…Each reconstructed component was then forecasted individually using a BiLSTM model, whose parameters were optimized by the JS algorithm. …”
    Get full text
    Article
  15. 2015

    Aerodynamic Optimization Method for Propeller Airfoil Based on DBO-BP and NSWOA by Changjing Guo, Zhiling Xu, Xiaoyan Yang, Hao Li

    Published 2024-11-01
    “…Subsequently, the DBO algorithm optimizes the initial weights and thresholds of the BP neural network surrogate model to establish the DBO-BP neural network surrogate model. …”
    Get full text
    Article
  16. 2016

    CPDGA: foresee future DGA using proactive conformal propagation by LIU Shuangshuang, WANG Zhi, DONG Yimeng, LI Wanpeng

    Published 2025-06-01
    “…Attackers dynamically register domain names through the domain generation algorithm (DGA) to support malware activities. The continuous evolution of malicious domain names leads to the phenomenon of concept drift, rendering the existing detection techniques based on continual learning models less effective over time. …”
    Get full text
    Article
  17. 2017

    Research on Calibration Method of Laser Camera Sensor by LIU Shiwang, HU Yunqing, LIN Jun

    Published 2020-01-01
    “…In this paper, a laser camera sensor calibration mathematical model was established, and the process of solving the calibration model parameters by the nonlinear least square method and Gauss-Newton iterative method was analyzed, and a L-M algorithm based on maximum likelihood estimation was proposed. …”
    Get full text
    Article
  18. 2018

    Research and Modeling of Commercial Location Selection Based on Geographic Big Data and Mobile Signaling Data—A Case Study of the Central Urban Area of Beijing by Jin Zou, Xun Zhang, Yangxiao Cong, Zhentong Gao, Jinlian Shi

    Published 2024-12-01
    “…This study utilizes mobile phone signaling data from Beijing combined with point-of-interest (POI) data from within the Sixth Ring Road of Beijing to identify user behaviors using algorithms. Through a combination of BiLSTM-RF and reinforcement learning algorithms, a population location prediction algorithm is constructed to address the issues of inaccurate and outdated population flow data in commercial site selection. …”
    Get full text
    Article
  19. 2019

    Multi-objective optimization and parameter sensitivity study on microreactor nuclear power systems by Ersheng You, Yiyi Li, Jianjun Xu, Dianchuan Xing, Haochun Zhang

    Published 2025-10-01
    “…The regression prediction model corresponding to the three target parameters were obtained, which was capable to analyze the significance ranking of the above four key design variables. …”
    Get full text
    Article
  20. 2020

    Evaluation of the Geomorphon Approach for Extracting Troughs in Polygonal Patterned Ground Across Different Permafrost Environments by Amin Wen, Tonghua Wu, Xiaofan Zhu, Jie Chen, Jianzong Shi, Peiqing Lou, Dong Wang, Xin Ma, Xiaodong Wu

    Published 2025-03-01
    “…The results show that (i) the lowest <i>t</i> value (0°) captured the microtopograhy of the troughs, while the larger <i>L</i> values paired with a DEM resolution of 50 cm diminished the impact of minor noise, improving the accuracy of trough detection; (ii) the optimized Geomorphon model produced trough maps with a high accuracy, achieving mIOU and F1 Scores of 0.89 and 0.90 in PB and 0.84 and 0.87 in WDL, respectively; and (iii) compared with the polygonal boundaries, the trough maps can derive the heterogeneous features to quantify the degradation of PPG. …”
    Get full text
    Article