Yanmei Chen

ORCID: 0000-0001-6064-2564
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About
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Research Areas
  • Rough Sets and Fuzzy Logic
  • Matrix Theory and Algorithms
  • Mathematical Inequalities and Applications
  • Advanced Optimization Algorithms Research
  • Power Systems and Technologies
  • Power Systems and Renewable Energy
  • Climate change and permafrost
  • EEG and Brain-Computer Interfaces
  • Advanced Algebra and Logic
  • Advanced Computational Techniques and Applications
  • Smart Grid and Power Systems
  • Cryospheric studies and observations
  • Fuzzy Logic and Control Systems
  • Multi-Criteria Decision Making
  • Advanced Decision-Making Techniques
  • Gout, Hyperuricemia, Uric Acid
  • Forecasting Techniques and Applications
  • Digital Imaging for Blood Diseases
  • Natural Language Processing Techniques
  • Digital Image Processing Techniques
  • Stability and Controllability of Differential Equations
  • Emotion and Mood Recognition
  • Cancer survivorship and care
  • Geology and Paleoclimatology Research
  • Point processes and geometric inequalities

Guangdong Polytechnic Normal University
2009-2025

First Affiliated Hospital of Nanchang University
2025

Nanchang University
2025

North University of China
2025

First Affiliated Hospital of GuangXi Medical University
2024

Guangxi Medical University
2024

Hebei Normal University
2024

North Carolina State University
2020

Harbin Institute of Technology
2005-2018

South China Normal University
2006-2018

Objective To use data from the Global Burden of Disease (GBD) Study 2019 to report global, regional and national rates trends annual incidence, point prevalence years lived with disability (YLD) for gout in adolescents young adults aged 15–39 years. Methods We conducted a serial cross-sectional study burden population using GBD 2019. extracted per 100 000 YLD gout, then calculated their average percentage changes (AAPCs) at level between 1990 by sociodemographic index (SDI). Results The...

10.1136/rmdopen-2023-003025 article EN cc-by RMD Open 2023-04-01

The evolution of ecological pattern caused by human activities has altered the terrestrial carbon cycle process, and it is important to explore systematic approaches study relationship between sequestration function within regions. From new perspective pattern-process-function in landscape ecology, this couples NPP-InVEST, GeoDa, MOP-PLUS, GeoDetector models construct a conceptual cascade framework "Land use pattern-Evolution process-Carbon function" (LEC), which provides epistemology...

10.1016/j.ecoinf.2024.102523 article EN cc-by-nc Ecological Informatics 2024-02-14

Gastric cancer (GC) families as a whole face the stressful time of together, and quality life (QoL) both patient caregiver can be affected. Most past researchers have focused on QoL GC patients, but neglected role that caregivers play in treatment process. The purpose this study was to examine factors influencing patients their family caregivers, compare interactions similarities differences between two influences, construct conceptual model influences based results study. This descriptive...

10.1186/s12885-025-13696-x article EN cc-by-nc-nd BMC Cancer 2025-02-18

Background: Mental health issues are increasingly prominent worldwide, posing significant threats to patients and deeply affecting their families social relationships. Traditional diagnostic methods subjective delayed, indicating the need for an objective effective early diagnosis method. Methods: To this end, paper proposes a lightweight detection method multi-mental disorders with fewer data sources, aiming improve procedures enable patient detection. First, proposed takes...

10.3390/brainsci14100987 article EN cc-by Brain Sciences 2024-09-28

Emotion recognition is an advanced technology for understanding human behavior and psychological states, with extensive applications mental health monitoring, human–computer interaction, affective computing. Based on electroencephalography (EEG), the biomedical signals naturally generated by brain, this work proposes a resource-efficient multi-entropy fusion method classifying emotional states. First, Discrete Wavelet Transform (DWT) applied to extract five brain rhythms, i.e., delta, theta,...

10.3390/e27010096 article EN cc-by Entropy 2025-01-20

In Chuanming Zong’s program to attack Hadwiger’s covering conjecture, which is a long-standing open problem from convex and discrete geometry, the construction of ε-nets for space bodies endowed with Banach–Mazur metric plays crucial role. Recently, Gao et al. provided possible way constructing Kn,dBM based on finite subsets Zn theoretically. this work, we present an algorithm construct K2,dBM (1/4)-net C2,dBM constructed. To best our knowledge, first concrete ε-net such small ε.

10.3390/math13081358 article EN cc-by Mathematics 2025-04-21

10.1007/s13042-018-0784-y article EN International Journal of Machine Learning and Cybernetics 2018-01-22

Abstract Accurate clinical diagnosis of the stage tumor development is essential for formulating a treatment plan. However, tongue among malignant, benign and leukoplakia easily misdiagnosed, resulting differing approaches, taking patients in danger preventing them from receiving deserved care. This study aimed to establish an automatic recognition system tumors at different stages using artificial intelligence methods along with pathological tissue section images. By improving Swin...

10.1002/eng2.12706 article EN cc-by Engineering Reports 2023-06-18

In this article, we present some new two-sided bounds for the determinant of diagonally dominant matrices. particular, idea preconditioning technique is applied to obtain bounds. MS Classification: 65F10; 15A15.

10.1186/1029-242x-2012-61 article EN cc-by Journal of Inequalities and Applications 2012-03-09

10.1016/j.cam.2010.05.011 article EN Journal of Computational and Applied Mathematics 2010-06-14

In this paper we consider the solvability of matrix equations , with respect to semi-tensor product. Using concept product which was initially proposed by Cheng et al. [An introduction Semi-Tensor matrices and its applications, World Scientific, 2012], firstly investigate matrix–vector under product, establish some compatible conditions for matrices, propose a necessary sufficient condition equation. We then explore Some elementary examples are given show efficiency results.

10.1080/03081087.2016.1253664 article EN Linear and Multilinear Algebra 2016-11-07

Traditional ear disease diagnosis heavily depends on experienced specialists and specialized equipment, frequently resulting in misdiagnoses, treatment delays, financial burdens for some patients. Utilizing deep learning models efficient has proven effective affordable. However, existing research overlooked model inference speed parameter size required deployment. To tackle these challenges, we constructed a large-scale dataset comprising eight categories normal canal samples from two...

10.48550/arxiv.2308.10610 preprint EN other-oa arXiv (Cornell University) 2023-01-01

Objective At present, the structure of knowledge in field childhood thyroid cancer is not clear enough, and scholars lack a sufficient understanding developing trends this field, which has led to shortage forward-looking outputs. The purpose research help construct complete framework identify current challenges, opportunities, development trends. Methods We searched literature Web Science Core Collection database on August 7, 2023 extracted key information from top 100 most cited articles,...

10.3389/fonc.2024.1340872 article EN cc-by Frontiers in Oncology 2024-02-22

Short-cycle agricultural product sales forecasting significantly reduces food waste by accurately predicting demand, ensuring producers match supply with consumer needs. However, the is often subject to uncertain factors, resulting in highly volatile and discontinuous data. To address this, a hierarchical prediction model that combines RF-XGBoost proposed this work. It adopts Random Forest (RF) first layer extract residuals achieve initial results based on correlation features from Grey...

10.3390/foods13182936 article EN cc-by Foods 2024-09-17

Based on financial information of listed manufacturing companies, the research aims at predicting distress using integrated model factor analysis and discriminant to establish model, tests prediction accuracy model. The results show that in this paper has higher precision, it makes further explanation choice ratios is very successful. Meanwhile, predicted confirm closer time distress, more accurate effect.

10.1109/aimsec.2011.6010552 article EN 2011-08-01

In this paper, a Divide-and-Cooperate Machine Learning Model (DCML) based Radial Basis Function Network (RBF) is constructed. This DCML composed of several sub-RBF networks that take some variables as their inputs. The output the sum networks' outputs. analysis VC dimension shows in theory its structural complexity less than conventional Extended (ENRBF). experimental results have verified outperforms ENRBF.

10.1109/access.2020.3003720 article EN cc-by IEEE Access 2020-01-01
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