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Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

机器学习 · 计算机科学 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

The CNN-based methods have achieved impressive results in medical image segmentation, but they failed to capture the long-range dependencies due to the inherent locality of the convolution operation. Transformer-based methods are recently…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Xiaohong Huang , Zhifang Deng , Dandan Li , Xueguang Yuan

Analyzing long text data such as customer call transcripts is a cost-intensive and tedious task. Machine learning methods, namely Transformers, are leveraged to model agent-customer interactions. Unfortunately, Transformers adhere to…

计算与语言 · 计算机科学 2025-02-19 Annamalai Senthilnathan , Kristjan Arumae , Mohammed Khalilia , Zhengzheng Xing , Aaron R. Colak

The Transformer model has shown strong performance in multivariate time series forecasting by leveraging channel-wise self-attention. However, this approach lacks temporal constraints when computing temporal features and does not utilize…

机器学习 · 计算机科学 2025-05-06 Shiwei Guo , Ziang Chen , Yupeng Ma , Yunfei Han , Yi Wang

Accurate and explainable health event predictions are becoming crucial for healthcare providers to develop care plans for patients. The availability of electronic health records (EHR) has enabled machine learning advances in providing these…

机器学习 · 计算机科学 2021-05-18 Chang Lu , Chandan K. Reddy , Prithwish Chakraborty , Samantha Kleinberg , Yue Ning

We present SeizureFormer, a Transformer-based model for long-term seizure risk forecasting using interictal epileptiform activity (IEA) surrogate biomarkers and long episode (LE) biomarkers from responsive neurostimulation (RNS) systems.…

信号处理 · 电气工程与系统科学 2025-05-12 Tianning Feng , Juntong Ni , Ezequiel Gleichgerrcht , Wei Jin

Bases have become an integral part of modern deep learning-based models for time series forecasting due to their ability to act as feature extractors or future references. To be effective, a basis must be tailored to the specific set of…

机器学习 · 计算机科学 2024-01-19 Zelin Ni , Hang Yu , Shizhan Liu , Jianguo Li , Weiyao Lin

In applications such as biomedical studies, epidemiology, and social sciences, recurrent events often co-occur with longitudinal measurements and a terminal event, such as death. Therefore, jointly modeling longitudinal measurements,…

机器学习 · 统计学 2024-04-08 Zhiyue Zhang , Yao Zhao , Yanxun Xu

Embedding algorithms are increasingly used to represent clinical concepts in healthcare for improving machine learning tasks such as clinical phenotyping and disease prediction. Recent studies have adapted state-of-the-art bidirectional…

The emergence of deep learning has significantly enhanced the analysis of electrocardiograms (ECGs), a non-invasive method that is essential for assessing heart health. Despite the complexity of ECG interpretation, advanced deep learning…

机器学习 · 计算机科学 2023-06-05 Zibin Zhao

This paper proposes a medical text summarization method based on LongFormer, aimed at addressing the challenges faced by existing models when processing long medical texts. Traditional summarization methods are often limited by short-term…

计算与语言 · 计算机科学 2025-03-11 Dan Sun , Jacky He , Hanlu Zhang , Zhen Qi , Hongye Zheng , Xiaokai Wang

Temporal Graph Neural Networks have garnered substantial attention for their capacity to model evolving structural and temporal patterns while exhibiting impressive performance. However, it is known that these architectures are encumbered…

机器学习 · 计算机科学 2024-02-12 Mahdi Biparva , Raika Karimi , Faezeh Faez , Yingxue Zhang

Irregular sampling of time series in electronic health records (EHRs) is one of the main challenges for developing machine learning models. Additionally, the pattern of missing data in certain clinical variables is not at random but depends…

机器学习 · 计算机科学 2024-06-17 Hojjat Karami , David Atienza , Anisoara Ionescu

Extending the forecasting time is a critical demand for real applications, such as extreme weather early warning and long-term energy consumption planning. This paper studies the long-term forecasting problem of time series. Prior…

机器学习 · 计算机科学 2022-01-10 Haixu Wu , Jiehui Xu , Jianmin Wang , Mingsheng Long

Many diverse phenomena in nature often inherently encode both short- and long-term temporal dependencies, which especially result from the direction of the flow of time. In this respect, we discovered experimental evidence suggesting that…

人工智能 · 计算机科学 2025-02-11 Kyung Geun Kim , Byeong Tak Lee

Large language models (LLMs) have emerged as promising tools for assisting in medical tasks, yet processing Electronic Health Records (EHRs) presents unique challenges due to their longitudinal nature. While LLMs' capabilities to perform…

人工智能 · 计算机科学 2025-03-07 Hejie Cui , Alyssa Unell , Bowen Chen , Jason Alan Fries , Emily Alsentzer , Sanmi Koyejo , Nigam Shah

Speech-driven 3D facial animation is challenging due to the complex geometry of human faces and the limited availability of 3D audio-visual data. Prior works typically focus on learning phoneme-level features of short audio windows with…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Yingruo Fan , Zhaojiang Lin , Jun Saito , Wenping Wang , Taku Komura

AI-based methods have been widely applied to tourism demand forecasting. However, current AI-based methods are short of the ability to process long-term dependency, and most of them lack interpretability. The Transformer used initially for…

机器学习 · 计算机科学 2021-07-26 Siyuan Yi , Xing Chen , Chuanming Tang

Artificial intelligence (AI) has demonstrated significant potential in transforming healthcare through the analysis and modeling of electronic health records (EHRs). However, the inherent heterogeneity, temporal irregularity, and…

机器学习 · 计算机科学 2025-07-18 Weijieying Ren , Jingxi Zhu , Zehao Liu , Tianxiang Zhao , Vasant Honavar

Understanding user intent is essential for situational and context-aware decision-making. Motivated by a real-world scenario, this work addresses intent predictions of smart device users in the vicinity of vehicles by modeling sequential…