1 code implementation • 16 Jul 2024 • Jiarong Chen, Wanqing Wu, Tong Liu, Shenda Hong
In the context of cardiovascular diseases (CVD) that exhibit an elevated prevalence and mortality, the electrocardiogram (ECG) is a popular and standard diagnostic tool for doctors, commonly utilizing a 12-lead configuration in clinical practice.
1 code implementation • 5 Jul 2024 • Songchi Zhou, Ge Song, Haoqi Sun, Yue Leng, M. Brandon Westover, Shenda Hong
Traditional sleep staging categorizes sleep and wakefulness into five coarse-grained classes, overlooking subtle variations within each stage.
2 code implementations • 21 Jun 2024 • Guangkun Nie, Qinghao Zhao, Gongzheng Tang, Jun Li, Shenda Hong
Photoplethysmography (PPG) is emerging as a crucial tool for monitoring human hemodynamics, with recent studies highlighting its potential in assessing vascular aging through deep learning.
no code implementations • 6 May 2024 • Shuhao Mei, Yuxi Zhou, Jiahao Xu, Yuxuan Wan, Shan Cao, Qinghao Zhao, Shijia Geng, Junqing Xie, Shenda Hong
However, these methods fail to early predict an individual's probability of COPD in the future based on subtle features in the spirogram.
no code implementations • 24 Apr 2024 • Chenxi Sun, Hongyan Li, Yaliang Li, Shenda Hong
Data is essential to performing time series analysis utilizing machine learning approaches, whether for classic models or today's large language models.
1 code implementation • 18 Mar 2024 • Jun Lei, Yuxi Zhou, Xue Tian, Qinghao Zhao, Qi Zhang, Shijia Geng, Qingbo Wu, Shenda Hong
By employing 150 beats for information fusion decision algorithm, the average AUC can reach 0. 7591.
1 code implementation • 27 Jan 2024 • Zenghui Lin, Xintong Liu, Nan Wang, Ruichen Li, Qingao Liu, Jingying Ma, LiWei Wang, Yan Wang, Shenda Hong
This kind of continuous monitoring, in contrast to the short-term one, collects an extended period of fetal heart data.
1 code implementation • 23 Jan 2024 • Guangkun Nie, Jiabao Zhu, Gongzheng Tang, Deyun Zhang, Shijia Geng, Qinghao Zhao, Shenda Hong
In this review, we systematically reviewed papers that applied deep learning models to process PPG data between January 1st of 2017 and July 31st of 2023 from Google Scholar, PubMed and Dimensions.
no code implementations • NeurIPS 2023 • Ling Yang, Jingwei Liu, Shenda Hong, Zhilong Zhang, Zhilin Huang, Zheming Cai, Wentao Zhang, Bin Cui
In this way, each point can better reconstruct itself by preserving its semantic connections with neighborhood context.
Ranked #1 on Image Inpainting on CelebA (LPIPS metric)
no code implementations • 26 Dec 2023 • Chenxi Sun, Hongyan Li, Moxian Song, Derun Cai, Shenda Hong
Experiments on 3 kinds of tasks and 5 real-world datasets show the benefits of CRUCIAL for most deep learning models when learning time series.
no code implementations • 26 Dec 2023 • Chenxi Sun, Hongyan Li, Moxian Song, Derun Can, Shenda Hong
Spiking Neural Networks (SNNs) have a greater potential for modeling time series data than Artificial Neural Networks (ANNs), due to their inherent neuron dynamics and low energy consumption.
1 code implementation • 16 Aug 2023 • Chenxi Sun, Hongyan Li, Yaliang Li, Shenda Hong
Given the lack of data, limited resources, semantic context requirements, and so on, this work focuses on TS-for-LLM, where we aim to activate LLM's ability for TS data by designing a TS embedding method suitable for LLM.
1 code implementation • 4 Aug 2023 • Ling Yang, Ye Tian, Minkai Xu, Zhongyi Liu, Shenda Hong, Wei Qu, Wentao Zhang, Bin Cui, Muhan Zhang, Jure Leskovec
To address this issue, we propose to learn a new powerful graph representation space by directly labeling nodes' diverse local structures for GNN-to-MLP distillation.
1 code implementation • 28 Jun 2023 • Ling Yang, Jiayi Zheng, Heyuan Wang, Zhongyi Liu, Zhilin Huang, Shenda Hong, Wentao Zhang, Bin Cui
To remove class spurious feature caused by distribution shifts, we propose Individual Graph Information Bottleneck (I-GIB) which discards irrelevant information by minimizing the mutual information between the input graph and its embeddings.
no code implementations • 22 Mar 2023 • Jun Li, Che Liu, Sibo Cheng, Rossella Arcucci, Shenda Hong
In downstream classification tasks, METS achieves around 10% improvement in performance without using any annotated data via zero-shot classification, compared to other supervised and SSL baselines that rely on annotated data.
no code implementations • 10 Feb 2023 • Deyun Zhang, Shijia Geng, Yang Zhou, Weilun Xu, Guodong Wei, Kai Wang, Jie Yu, Qiang Zhu, Yongkui Li, Yonghong Zhao, Xingyue Chen, Rui Zhang, Zhaoji Fu, Rongbo Zhou, Yanqi E, Sumei Fan, Qinghao Zhao, Chuandong Cheng, Nan Peng, Liang Zhang, Linlin Zheng, Jianjun Chu, Hongbin Xu, Chen Tan, Jian Liu, Huayue Tao, Tong Liu, Kangyin Chen, Chenyang Jiang, Xingpeng Liu, Shenda Hong
In this study, we present an AI system developed to detect and screen cardiac abnormalities (CAs) from real-world ECG images.
1 code implementation • 7 Feb 2023 • Xiang Lan, Hanshu Yan, Shenda Hong, Mengling Feng
In this paper, we study two types of bad positive pairs that can impair the quality of time series representation learned through contrastive learning: the noisy positive pair and the faulty positive pair.
1 code implementation • 21 Nov 2022 • Ling Yang, Zhilin Huang, Yang song, Shenda Hong, Guohao Li, Wentao Zhang, Bin Cui, Bernard Ghanem, Ming-Hsuan Yang
Generating images from graph-structured inputs, such as scene graphs, is uniquely challenging due to the difficulty of aligning nodes and connections in graphs with objects and their relations in images.
1 code implementation • 6 Oct 2022 • Chenxi Sun, Hongyan Li, Moxian Song, Derun Cai, Baofeng Zhang, Shenda Hong
Continuous diagnosis and prognosis are essential for intensive care patients.
2 code implementations • 2 Sep 2022 • Ling Yang, Zhilong Zhang, Yang song, Shenda Hong, Runsheng Xu, Yue Zhao, Yingxia Shao, Wentao Zhang, Bin Cui, Ming-Hsuan Yang
This survey aims to provide a contextualized, in-depth look at the state of diffusion models, identifying the key areas of focus and pointing to potential areas for further exploration.
no code implementations • 14 Aug 2022 • Chenxi Sun, Moxian Song, Derun Can, Baofeng Zhang, Shenda Hong, Hongyan Li
In the real world, the class of a time series is usually labeled at the final time, but many applications require to classify time series at every time point.
no code implementations • 31 May 2022 • Ling Yang, Shenda Hong
Unsupervised/self-supervised graph representation learning is critical for downstream node- and graph-level classification tasks.
1 code implementation • 20 May 2022 • Wenrui Zhang, Ling Yang, Shijia Geng, Shenda Hong
In this paper, we aim at learning representations for time series from a new perspective and propose Cross Reconstruction Transformer (CRT) to solve the aforementioned problems in a unified way.
no code implementations • 19 May 2022 • Jiayi Zheng, Ling Yang, Heyuan Wang, Cheng Yang, Yinghong Li, Xiaowei Hu, Shenda Hong
To adequately leverage neighbor proximity and high-order information, we design a novel spatial autoregressive paradigm.
no code implementations • 14 Mar 2022 • Jiahao Shao, Shijia Geng, Zhaoji Fu, Weilun Xu, Tong Liu, Shenda Hong
The results show that our method performed more effectively against adversarial attacks targeting on ECG classification than the other baseline methods, namely, adversarial training, defensive distillation, Jacob regularization, and noise-to-signal ratio regularization.
1 code implementation • 26 Feb 2022 • Wenrui Zhang, Xinxin Di, Guodong Wei, Shijia Geng, Zhaoji Fu, Shenda Hong
Finally, with the help of a clinician, we conduct case studies to explain the results of large uncertainties and incorrect predictions with small uncertainties.
no code implementations • 25 Feb 2022 • Wenrui Zhang, Shijia Geng, Shenda Hong
To verify the effectiveness of the proposed method, we perform a downstream task to detect atrial fibrillation (AF) which is one of the most common ECG tasks.
no code implementations • 25 Feb 2022 • Wenrui Zhang, Shijia Geng, Zhaoji Fu, Linlin Zheng, Chenyang Jiang, Shenda Hong
MAML is expected to better transfer the knowledge from a large dataset and use only a few recordings to quickly adapt the model to a new person.
no code implementations • 8 Feb 2022 • Ling Yang, Shenda Hong
Unsupervised/self-supervised time series representation learning is a challenging problem because of its complex dynamics and sparse annotations.
no code implementations • 8 Feb 2022 • Ling Yang, Shenda Hong, Luxia Zhang
To the best of our knowledge, SPGN is the first to utilize spectral comparisons in different intervals and involve spectral propagation across all time series with graph networks for few-shot TSC.
no code implementations • 29 Sep 2021 • Ling Yang, Shenda Hong, Luxia Zhang
First, we revisit the augmentation methods for time series of existing works and note that they mostly use segment-level augmentation derived from time slicing, which may bring about sampling bias and incorrect optimization with false negatives due to the loss of global context.
no code implementations • 29 Sep 2021 • Chenxi Sun, Moxian Song, Derun Cai, Shenda Hong, Hongyan Li
For this demand, we propose a new concept, Continuous Classification of Time Series (CCTS), to achieve the high-accuracy classification at every time.
no code implementations • 18 Sep 2021 • Xiang Lan, Dianwen Ng, Shenda Hong, Mengling Feng
In inter subject self-supervision, we design a set of data augmentations according to the clinical characteristics of cardiac signals and perform contrastive learning among subjects to learn distinctive representations for various types of patients.
no code implementations • 31 Aug 2021 • Yen-Hsiu Chou, Shenda Hong, Chenxi Sun, Derun Cai, Moxian Song, Hongyan Li
Each local model is learned from the local data and aligns with its distribution for customization.
no code implementations • 2 May 2021 • Chenxi Sun, Shenda Hong, Moxian Song, Yanxiu Zhou, Yongyue Sun, Derun Cai, Hongyan Li
In this work, we propose a novel Time Encoding (TE) mechanism.
no code implementations • 5 Dec 2020 • Chenxi Sun, Moxian Song, Shenda Hong, Hongyan Li
Echo State Network (ESN) is simple type of RNNs and has emerged in the last decade as an alternative to gradient descent training based RNNs.
3 code implementations • 23 Oct 2020 • Chenxi Sun, Shenda Hong, Moxian Song, Hongyan Li
Developing deep learning methods on EHRs data is critical for personalized treatment, precise diagnosis and medical management.
1 code implementation • 28 Aug 2020 • Gabriel Spadon, Shenda Hong, Bruno Brandoli, Stan Matwin, Jose F. Rodrigues-Jr, Jimeng Sun
Time-series forecasting is one of the most active research topics in artificial intelligence.
3 code implementations • 10 Aug 2020 • Shenda Hong, Yanbo Xu, Alind Khare, Satria Priambada, Kevin Maher, Alaa Aljiffry, Jimeng Sun, Alexey Tumanov
HOLMES is tested on risk prediction task on pediatric cardio ICU data with above 95% prediction accuracy and sub-second latency on 64-bed simulation.
1 code implementation • 4 Jul 2020 • Shenda Hong, Zhaoji Fu, Rongbo Zhou, Jie Yu, Yongkui Li, Kai Wang, Guanlin Cheng
Electrocardiogram (ECG) is one of the most convenient and non-invasive tools for monitoring peoples' heart condition, which can use for diagnosing a wide range of heart diseases, including Cardiac Arrhythmia, Acute Coronary Syndrome, et al.
no code implementations • 21 May 2020 • Cao Xiao, Trong Nghia Hoang, Shenda Hong, Tengfei Ma, Jimeng Sun
There is a growing interest in applying deep learning (DL) to healthcare, driven by the availability of data with multiple feature channels in rich-data environments (e. g., intensive care units).
1 code implementation • 28 Dec 2019 • Shenda Hong, Yuxi Zhou, Junyuan Shang, Cao Xiao, Jimeng Sun
Methods:We extracted papers that applied deep learning (deep neural network) models to ECG data that were published between Jan. 1st of 2010 and Feb. 29th of 2020 from Google Scholar, PubMed, and the DBLP.
1 code implementation • 27 May 2019 • Shenda Hong, Cao Xiao, Tengfei Ma, Hongyan Li, Jimeng Sun
Electrocardiography (ECG) signals are commonly used to diagnose various cardiac abnormalities.
1 code implementation • 6 Sep 2018 • Shenda Hong, Cao Xiao, Trong Nghia Hoang, Tengfei Ma, Hongyan Li, Jimeng Sun
In many situations, we need to build and deploy separate models in related environments with different data qualities.
1 code implementation • 2017 Computing in Cardiology (CinC) 2017 • Shenda Hong, Meng Wu, Yuxi Zhou, Qingyun Wang, Junyuan Shang, Hongyan Li, Junqing Xie
We propose ENCASE to combine expert features and DNNs (Deep Neural Networks) together for ECG classification.
Ranked #1 on Time Series Classification on Physionet 2017 Atrial Fibrillation (F1 (Hidden Test Set) metric)