Search Results for author: Pengfei Zhao

Found 8 papers, 0 papers with code

From GARCH to Neural Network for Volatility Forecast

no code implementations29 Jan 2024 Pengfei Zhao, Haoren Zhu, Wilfred Siu Hung NG, Dik Lun Lee

With the equivalence relationship established, we introduce an innovative approach, named GARCH-NN, for constructing NN-based volatility models.

Econometrics Management

Mitigating Communication Costs in Neural Networks: The Role of Dendritic Nonlinearity

no code implementations21 Jun 2023 Xundong Wu, Pengfei Zhao, Zilin Yu, Lei Ma, Ka-Wa Yip, Huajin Tang, Gang Pan, Tiejun Huang

Our comprehension of biological neuronal networks has profoundly influenced the evolution of artificial neural networks (ANNs).

Protective Self-Adaptive Pruning to Better Compress DNNs

no code implementations21 Mar 2023 Liang Li, Pengfei Zhao

Adaptive network pruning approach has recently drawn significant attention due to its excellent capability to identify the importance and redundancy of layers and filters and customize a suitable pruning solution.

Network Pruning

NetMoST: A network-based machine learning approach for subtyping schizophrenia using polygenic SNP allele biomarkers

no code implementations31 Jan 2023 Xinru Wei, Shuai Dong, Zhao Su, Lili Tang, Pengfei Zhao, Chunyu Pan, Fei Wang, Yanqing Tang, Weixiong Zhang, Xizhe Zhang

Subtyping neuropsychiatric disorders like schizophrenia is essential for improving the diagnosis and treatment of complex diseases.

A novel cluster internal evaluation index based on hyper-balls

no code implementations30 Dec 2022 Jiang Xie, Pengfei Zhao, Shuyin Xia, Guoyin Wang, Dongdong Cheng

It is crucial to evaluate the quality and determine the optimal number of clusters in cluster analysis.

Clustering

Influential Recommender System

no code implementations18 Nov 2022 Haoren Zhu, Hao Ge, Xiaodong Gu, Pengfei Zhao, Dik Lun Lee

Traditional recommender systems are typically passive in that they try to adapt their recommendations to the user's historical interests.

Recommendation Systems

NasHD: Efficient ViT Architecture Performance Ranking using Hyperdimensional Computing

no code implementations23 Sep 2022 Dongning Ma, Pengfei Zhao, Xun Jiao

Neural Architecture Search (NAS) is an automated architecture engineering method for deep learning design automation, which serves as an alternative to the manual and error-prone process of model development, selection, evaluation and performance estimation.

Neural Architecture Search

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