Search Results for author: Hai Yang

Found 14 papers, 3 papers with code

Learning Car-Following Behaviors Using Bayesian Matrix Normal Mixture Regression

no code implementations24 Apr 2024 ChengYuan Zhang, Kehua Chen, Meixin Zhu, Hai Yang, Lijun Sun

Learning and understanding car-following (CF) behaviors are crucial for microscopic traffic simulation.

ESTformer: Transformer Utilizing Spatiotemporal Dependencies for EEG Super-resolution

no code implementations3 Dec 2023 Dongdong Li, Zhongliang Zeng, Zhe Wang, Hai Yang

The ESTformer, with the fixed masking strategy, adopts a mask token to up-sample the low-resolution (LR) EEG data in case of disturbance from mathematical interpolation methods.

EEG Emotion Recognition +3

EquiDiff: A Conditional Equivariant Diffusion Model For Trajectory Prediction

no code implementations12 Aug 2023 Kehua Chen, Xianda Chen, Zihan Yu, Meixin Zhu, Hai Yang

The growing popularity of deep learning has led to the development of numerous methods for trajectory prediction.

Autonomous Vehicles Graph Attention +1

A multi-functional simulation platform for on-demand ride service operations

1 code implementation22 Mar 2023 Siyuan Feng, Taijie Chen, Yuhao Zhang, Jintao Ke, Zhengfei Zheng, Hai Yang

In addition, the existing simulators still face many challenges, ranging from their closeness to real environments of ride-sourcing systems, to the completeness of different tasks they can implement.

Semantic-Fused Multi-Granularity Cross-City Traffic Prediction

1 code implementation23 Feb 2023 Kehua Chen, Yuxuan Liang, Jindong Han, Siyuan Feng, Meixin Zhu, Hai Yang

Accurate traffic prediction is essential for effective urban management and the improvement of transportation efficiency.

Graph structure learning Management +4

Subtype-Former: a deep learning approach for cancer subtype discovery with multi-omics data

no code implementations28 Jul 2022 Hai Yang, Yuhang Sheng, Yi Jiang, Xiaoyang Fang, Dongdong Li, Jing Zhang, Zhe Wang

In addition, Subtype-Former also achieved outstanding results in pan-cancer subtyping, which can help analyze the commonalities and differences across various cancer types at the molecular level.

Survival Analysis

Improved Multi-step FCS-MPCC with Disturbance Compensation for PMSM Drives -- Methods and Experimental Validation

no code implementations15 May 2022 Hai Yang, Yibin Liu, Junxiao Wang, Jun Yang

In this paper, an improved multi-step finite control set model predictive current control (FCS-MPCC) strategy with speed loop disturbance compensation is proposed for permanent magnet synchronous machine (PMSM) drives system.

CityNet: A Comprehensive Multi-Modal Urban Dataset for Advanced Research in Urban Computing

no code implementations30 Jun 2021 Zhengfei Zheng, Xu Geng, Hai Yang

Therefore, a comprehensive and multifaceted dataset is required to enable more extensive studies in urban computing.

Benchmarking Transfer Learning

Numerical simulation of hot accretion flows (IV): effects of black hole spin and magnetic field strength on the wind and the comparison between wind and jet properties

no code implementations5 Feb 2021 Hai Yang, Feng Yuan, Ye-Fei Yuan, Christopher J. White

One interesting finding, among others, is that even in the case of very rapidly spinning black hole where the jet is supposed to be the strongest, the momentum flux of jet is smaller than that of wind, while the total energy flux of jet is larger than that of wind by at most a factor of 10.

High Energy Astrophysical Phenomena

Joint predictions of multi-modal ride-hailing demands: a deep multi-task multigraph learning-based approach

no code implementations11 Nov 2020 Jintao Ke, Siyuan Feng, Zheng Zhu, Hai Yang, Jieping Ye

To address this issue, we propose a deep multi-task multi-graph learning approach, which combines two components: (1) multiple multi-graph convolutional (MGC) networks for predicting demands for different service modes, and (2) multi-task learning modules that enable knowledge sharing across multiple MGC networks.

Graph Learning Multi-Task Learning

Predicting origin-destination ride-sourcing demand with a spatio-temporal encoder-decoder residual multi-graph convolutional network

1 code implementation17 Oct 2019 Jintao Ke, Xiaoran Qin, Hai Yang, Zhengfei Zheng, Zheng Zhu, Jieping Ye

To overcome this challenge, we propose the Spatio-Temporal Encoder-Decoder Residual Multi-Graph Convolutional network (ST-ED-RMGC), a novel deep learning model for predicting ride-sourcing demand of various OD pairs.

Management

PCA-Based Missing Information Imputation for Real-Time Crash Likelihood Prediction Under Imbalanced Data

no code implementations11 Feb 2018 Jintao Ke, Shuaichao Zhang, Hai Yang, Xiqun Chen

However, few research focuses on the missing data imputation in real-time crash likelihood prediction, although missing values are commonly observed due to breakdown of sensors or external interference.

Clustering Imputation

Short-Term Forecasting of Passenger Demand under On-Demand Ride Services: A Spatio-Temporal Deep Learning Approach

no code implementations20 Jun 2017 Jintao Ke, Hongyu Zheng, Hai Yang, Xiqun, Chen

The fusion of convolutional techniques and the LSTM network enables the proposed DL approach to better capture the spatio-temporal characteristics and correlations of explanatory variables.

feature selection Time Series Prediction

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