1 code implementation • 3 Dec 2022 • Xinyu Chen, Zhanhong Cheng, Nicolas Saunier, Lijun Sun
In this study, we first introduce a Laplacian kernel to temporal regularization for characterizing local trends in traffic time series, which can be formulated in the form of circular convolution.
1 code implementation • 28 Nov 2022 • Xinyu Chen, ChengYuan Zhang, Xiaoxu Chen, Nicolas Saunier, Lijun Sun
In the temporal context, the complex time-varying system behaviors can be revealed by the temporal modes in the proposed model.
no code implementations • 21 Nov 2022 • Ting Han, Kunhao Pan, Xinyu Chen, Dingjie Song, Yuchen Fan, Xinyu Gao, Ruyi Gan, Jiaxing Zhang
Bidirectional Encoder Representations from Transformers or BERT~\cite{devlin-etal-2019-bert} has been one of the base models for various NLP tasks due to its remarkable performance.
no code implementations • 17 May 2022 • Xinyu Chen, Renjie Li, Yueyao Yu, Yuanwen Shen, Wenye Li, Zhaoyu Zhang, Yin Zhang
In this work, we propose the first-ever Transformer model (POViT) to efficiently design and simulate semiconductor photonic devices with multiple objectives.
2 code implementations • 11 May 2022 • Yawei Li, Kai Zhang, Radu Timofte, Luc van Gool, Fangyuan Kong, Mingxi Li, Songwei Liu, Zongcai Du, Ding Liu, Chenhui Zhou, Jingyi Chen, Qingrui Han, Zheyuan Li, Yingqi Liu, Xiangyu Chen, Haoming Cai, Yu Qiao, Chao Dong, Long Sun, Jinshan Pan, Yi Zhu, Zhikai Zong, Xiaoxiao Liu, Zheng Hui, Tao Yang, Peiran Ren, Xuansong Xie, Xian-Sheng Hua, Yanbo Wang, Xiaozhong Ji, Chuming Lin, Donghao Luo, Ying Tai, Chengjie Wang, Zhizhong Zhang, Yuan Xie, Shen Cheng, Ziwei Luo, Lei Yu, Zhihong Wen, Qi Wu1, Youwei Li, Haoqiang Fan, Jian Sun, Shuaicheng Liu, Yuanfei Huang, Meiguang Jin, Hua Huang, Jing Liu, Xinjian Zhang, Yan Wang, Lingshun Long, Gen Li, Yuanfan Zhang, Zuowei Cao, Lei Sun, Panaetov Alexander, Yucong Wang, Minjie Cai, Li Wang, Lu Tian, Zheyuan Wang, Hongbing Ma, Jie Liu, Chao Chen, Yidong Cai, Jie Tang, Gangshan Wu, Weiran Wang, Shirui Huang, Honglei Lu, Huan Liu, Keyan Wang, Jun Chen, Shi Chen, Yuchun Miao, Zimo Huang, Lefei Zhang, Mustafa Ayazoğlu, Wei Xiong, Chengyi Xiong, Fei Wang, Hao Li, Ruimian Wen, Zhijing Yang, Wenbin Zou, Weixin Zheng, Tian Ye, Yuncheng Zhang, Xiangzhen Kong, Aditya Arora, Syed Waqas Zamir, Salman Khan, Munawar Hayat, Fahad Shahbaz Khan, Dandan Gaoand Dengwen Zhouand Qian Ning, Jingzhu Tang, Han Huang, YuFei Wang, Zhangheng Peng, Haobo Li, Wenxue Guan, Shenghua Gong, Xin Li, Jun Liu, Wanjun Wang, Dengwen Zhou, Kun Zeng, Hanjiang Lin, Xinyu Chen, Jinsheng Fang
The aim was to design a network for single image super-resolution that achieved improvement of efficiency measured according to several metrics including runtime, parameters, FLOPs, activations, and memory consumption while at least maintaining the PSNR of 29. 00dB on DIV2K validation set.
1 code implementation • 20 Mar 2022 • Xinyu Chen, ChengYuan Zhang, Xi-Le Zhao, Nicolas Saunier, Lijun Sun
Modern time series datasets are often high-dimensional, incomplete/sparse, and nonstationary.
no code implementations • 1 Feb 2022 • Xinyu Chen, Ian Beaver
Mining the latent intentions from large volumes of natural language inputs is a key step to help data analysts design and refine Intelligent Virtual Assistants (IVAs) for customer service and sales support.
no code implementations • 1 Feb 2022 • Xinyu Chen, Ian Beaver
The clustering quality exceeds the state-of-the-art results when BERT is fine-tuned with labeled subsets of only 2. 5% of the task data.
no code implementations • 12 Aug 2021 • Hao Ming, Xinyu Chen, Xiansong Fang, Lei Zhang, Chenjia Li, Fan Zhang
In this paper, we propose a center-oriented long short-term memory network (Co-LSTM) incorporating a simplified mode with a recycling mechanism in the equalization operation, which can mitigate fiber nonlinearity in coherent optical communication systems with ultralow complexity.
1 code implementation • 30 Apr 2021 • Xinyu Chen, MengYing Lei, Nicolas Saunier, Lijun Sun
In this paper, we propose a low-rank autoregressive tensor completion (LATC) framework by introducing \textit{temporal variation} as a new regularization term into the completion of a third-order (sensor $\times$ time of day $\times$ day) tensor.
2 code implementations • 7 Aug 2020 • Xinyu Chen, Yixian Chen, Nicolas Saunier, Lijun Sun
Recent studies based on tensor nuclear norm have demonstrated the superiority of tensor learning in imputation tasks by effectively characterizing the complex correlations/dependencies in spatiotemporal data.
no code implementations • 1 Jul 2020 • Pu Ren, Xinyu Chen, Lijun Sun, Hao Sun
To address this fundamental issue, this paper presents an incremental Bayesian tensor learning method for reconstruction of spatiotemporal missing data in SHM and forecasting of structural response.
1 code implementation • 18 Jun 2020 • Xinyu Chen, Lijun Sun
In this paper, we propose a low-rank autoregressive tensor completion (LATC) framework to model multivariate time series data.
1 code implementation • 23 Mar 2020 • Xinyu Chen, Jinming Yang, Lijun Sun
Sparsity and missing data problems are very common in spatiotemporal traffic data collected from various sensing systems.
3 code implementations • 14 Oct 2019 • Xinyu Chen, Lijun Sun
In this paper, we propose a Bayesian temporal factorization (BTF) framework for modeling multidimensional time series -- in particular spatiotemporal data -- in the presence of missing values.
no code implementations • 26 Feb 2019 • Chuangyi Gui, Long Zheng, Bingsheng He, Cheng Liu, Xinyu Chen, Xiaofei Liao, Hai Jin
Graph is a well known data structure to represent the associated relationships in a variety of applications, e. g., data science and machine learning.
Distributed, Parallel, and Cluster Computing
no code implementations • 16 Jun 2018 • Xinyu Chen, Qiang Guan, Li-Ta Lo, Simon Su, James Ahrens, Trilce Estrada
We present in situ TensorView to visualize the training and functioning of CNNs as if they are systems of scientific simulations.