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Reasoning from sequences of raw sensory data is a ubiquitous problem across fields ranging from medical devices to robotics. These problems often involve using long sequences of raw sensor data (e.g. magnetometers, piezoresistors) to…

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

We present a method, referred to as Deep Harmonic Finesse (DHF), for separation of non-stationary quasi-periodic signals when limited data is available. The problem frequently arises in wearable systems in which, a combination of…

Image and Video Processing · Electrical Eng. & Systems 2024-07-03 Mahya Saffarpour , Kourosh Vali , Weitai Qian , Begum Kasap , Herman L. Hedriana , Soheil Ghiasi

Weak signal learning (WSL) is a common challenge in many fields like fault diagnosis, medical imaging, and autonomous driving, where critical information is often masked by noise and interference, making feature identification difficult.…

Machine Learning · Computer Science 2025-12-30 Xianqi Liu , Xiangru Li , Lefeng He , Ziyu Fang

Wearable accelerometers enable large-scale health monitoring, yet learning robust human-activity representations has been constrained by scarce labeled data. While self-supervised learning offers a remedy, existing methods treat sensor…

Machine Learning · Computer Science 2026-05-28 Prithviraj Tarale , Kiet Chu , Abhishek Varghese , Kai-Chun Liu , Maxwell A. Xu , Mohit Iyyer , Sunghoon I. Lee

This paper proposes a practical approach for automatic sleep stage classification based on a multi-level feature learning framework and Recurrent Neural Network (RNN) classifier using heart rate and wrist actigraphy derived from a wearable…

Machine Learning · Statistics 2017-11-03 Xin Zhang , Weixuan Kou , Eric I-Chao Chang , He Gao , Yubo Fan , Yan Xu

We consider the generative modeling of speech over multiple minutes, a requirement for long-form multimedia generation and audio-native voice assistants. However, textless spoken language models struggle to generate plausible speech past…

Computation and Language · Computer Science 2025-07-11 Se Jin Park , Julian Salazar , Aren Jansen , Keisuke Kinoshita , Yong Man Ro , RJ Skerry-Ryan

Physical function monitoring (PFM) plays a crucial role in healthcare especially for the elderly. Traditional assessment methods such as the Short Physical Performance Battery (SPPB) have failed to capture the full dynamic characteristics…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Junjie Zhang , Zheming Zhang , Huachen Xiang , Yangquan Tan , Linnan Huo , Fengyi Wang

Smart-home sensor data holds significant potential for several applications, including healthcare monitoring and assistive technologies. Existing approaches, however, face critical limitations. Supervised models require impractical amounts…

Artificial Intelligence · Computer Science 2026-02-03 Michele Fiori , Gabriele Civitarese , Flora D. Salim , Claudio Bettini

Accurate tracking of an anatomical landmark over time has been of high interests for disease assessment such as minimally invasive surgery and tumor radiation therapy. Ultrasound imaging is a promising modality benefiting from low-cost and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Zhihua Liu , Bin Yang , Yan Shen , Xuejun Ni , Huiyu Zhou

Cardiovascular disease remains the leading cause of death globally, underscoring the need for effective, accessible monitoring solutions, particularly through wearable devices that enable continuous, real-time tracking of heart rhythms in…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Maedeh H. Toosi , Siamak Mohammadi

With recent advancements in video backbone architectures, combined with the remarkable achievements of large language models (LLMs), the analysis of long-form videos spanning tens of minutes has become both feasible and increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuxiao Chen , Jue Wang , Zhikang Zhang , Jingru Yi , Xu Zhang , Yang Zou , Zhaowei Cai , Jianbo Yuan , Xinyu Li , Hao Yang , Davide Modolo

Automated detection of voice disorders with computational methods is a recent research area in the medical domain since it requires a rigorous endoscopy for the accurate diagnosis. Efficient screening methods are required for the diagnosis…

Quantitative Methods · Quantitative Biology 2018-12-06 Vibhuti Gupta

A large labeled dataset is a key to the success of supervised deep learning, but for medical image segmentation, it is highly challenging to obtain sufficient annotated images for model training. In many scenarios, unannotated images are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Hao Zheng , Jun Han , Hongxiao Wang , Lin Yang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

Rehabilitation technology is a natural setting to study the shared learning and decision-making of human and machine agents. In this work, we explore the use of Hierarchical Reinforcement Learning (HRL) to develop adaptive control…

Machine Learning · Computer Science 2025-07-24 Sonny T. Jones , Grange M. Simpson , Patrick M. Pilarski , Ashley N. Dalrymple

Wearable foundation models have the potential to transform digital health by learning transferable representations from large-scale biosignals collected in everyday settings. While recent progress has been made in large-scale pretraining,…

In this work, we propose a novel straightforward method for medical volume and sequence segmentation with limited annotations. To avert laborious annotating, the recent success of self-supervised learning(SSL) motivates the pre-training on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Zejian Chen , Wei Zhuo , Tianfu Wang , Wufeng Xue , Dong Ni

Remote physiological sensing using camera-based technologies offers transformative potential for non-invasive vital sign monitoring across healthcare and human-computer interaction domains. Although deep learning approaches have advanced…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Jitesh Joshi , Youngjun Cho

Deep image watermarking, which refers to enabling imperceptible watermark embedding and reliable extraction in cover images, has been shown to be effective for copyright protection of image assets. However, existing methods face limitations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Ke Liu , Xuanhan Wang , Qilong Zhang , Lianli Gao , Jingkuan Song

Transformer based end-to-end modelling approaches with multiple stream inputs have been achieved great success in various automatic speech recognition (ASR) tasks. An important issue associated with such approaches is that the intermediate…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-11 Jin Li , Rongfeng Su , Xurong Xie , Nan Yan , Lan Wang