Kai Wang

ORCID: 0000-0002-9904-3208
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Research Areas
  • Advanced Numerical Analysis Techniques
  • Time Series Analysis and Forecasting
  • Natural Language Processing Techniques
  • Image and Object Detection Techniques
  • Economic Zones and Regional Development
  • Advanced machining processes and optimization
  • Image and Video Stabilization
  • Digital Image Processing Techniques
  • Biometric Identification and Security
  • Diverse Aspects of Tourism Research
  • Smart Grid Energy Management
  • Elasticity and Material Modeling
  • Advanced Text Analysis Techniques
  • Speech and dialogue systems
  • Topic Modeling
  • Vehicle emissions and performance
  • Power Systems and Renewable Energy
  • Computer Graphics and Visualization Techniques
  • Data Stream Mining Techniques
  • Stock Market Forecasting Methods
  • Anomaly Detection Techniques and Applications
  • Regional resilience and development
  • 3D Shape Modeling and Analysis
  • Advanced Technologies in Various Fields
  • Electric Power System Optimization

Georgia Institute of Technology
2024

Institute of Geographic Sciences and Natural Resources Research
2020

Nanchang University
2020

Hunan Normal University
2020

Beijing University of Technology
2020

Northwest Normal University
2010-2019

Zhejiang A & F University
2019

10.1109/cvprw63382.2024.00182 article EN 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) 2024-06-17

In the age of large-scale language models, benchmarks like Massive Multitask Language Understanding (MMLU) have been pivotal in pushing boundaries what AI can achieve comprehension and reasoning across diverse domains. However, as models continue to improve, their performance on these has begun plateau, making it increasingly difficult discern differences model capabilities. This paper introduces MMLU-Pro, an enhanced dataset designed extend mostly knowledge-driven MMLU benchmark by...

10.48550/arxiv.2406.01574 preprint EN arXiv (Cornell University) 2024-06-03

Four new trigonometric Bernstein-like bases with two denominator shape parameters (DTB-like basis) are constructed, based on which a kind of Bézier-like curve curves) that analogous to the cubic Bézier curves is proposed. The corner cutting algorithm for computing DTB-like given. Any arc an ellipse or parabola can be exactly represented by using curves. A class B-spline-like basis function local (DT constructed according proposed basis. totally positive property DT supported. For different...

10.1155/2018/9569834 article EN Mathematical Problems in Engineering 2018-10-24

This study aimed to establish the emission factors and inventory of agricultural machinery in Beijing 2017 under real-world operation. The emissions typical harvesters, tractors, transport vehicles, farm construction operation were tested by a portable measurement system. results showed that different modes have greater impact on tailpipe machinery. CO, NOx, HC, PM relatively stable when engine is idling moving compared excavator performing actual work. According classification standards...

10.13227/j.hjkx.201912005 article EN PubMed 2020-06-08

Abstract: Eliminating poverty and upgrading the industrial structure are major challenges faced by contiguous poverty-stricken areas in three-year campaign against poverty. Since national strategy of targeted alleviation was put forward, tourism industry has become one crucial avenues through which residents increase their income, optimize structure, promote economic development, escape trap. It is therefore urgent to study coupling coordination relationship between transformation upgrade...

10.31497/zrzyxb.20200708 article EN 自然资源学报 2020-01-01

When the traditional Hough transform based on circle detection locates human iris, it involves a three-dimensional parameter space, so there is shortage of computational time and space overhead.Aiming at this problem, algorithm using gradient to reduce spatial dimension parameters proposed.Firstly, image preprocessed by mathematical morphology noise eyelash interference.Secondly, ant colony optimization used preprocess image.Edge extraction performed number points participating in...

10.22457/jmi.138av16a3 article EN Journal of Mathematics and Informatics 2019-03-31

Firstly, a new set of Quasi-Cubic Trigonometric Bernstein basis with two tension shape parameters is constructed, and we prove that it an optimal normalized totally in the framework Quasi Extended Chebyshev space. And Bézier curve generated by function cutting algorithm are given, features (cusp, inflection point, loop convexity) analyzed using envelope theory topological mapping; Next construct non-uniform B-spline assuming linear combination positive have partition unity...

10.20944/preprints201910.0213.v1 preprint EN 2019-10-18

Purpose The curve construction on surfaces is becoming more and important in computer-aided design (CAD), computer graphics (CG) the other related fields. This problem often encountered NC machining, tool path generation, automated fiber placement so on. However, designing curves curved quite different from constructing a Euclidean space. Therefore, traditional methods of are not suitable for continuous surface. authors need to perform interpolation directly surface that final target...

10.1108/ec-09-2022-0606 article EN Engineering Computations 2023-09-12

Abstract Flexible bidding is an emerging electricity trading product in the Nordic spot market, which different from hourly and block bidding. It provides generation enterprises users with flexible changeable consumption options can reflect demand-side behavior habits of consumption, providing reference value for Chinese market participants to participate response. This paper firstly introduces two models bidding; secondly, it clearance model finally, compares differences between these approach.

10.1088/1755-1315/617/1/012007 article EN IOP Conference Series Earth and Environmental Science 2020-12-01
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