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Radar-based wellness monitoring is becoming an effective measurement to provide accurate vital signs in a contactless manner, but data scarcity retards the related research on deep-learning-based methods. Data augmentation is commonly used…

Signal Processing · Electrical Eng. & Systems 2025-03-26 Yuanyuan Zhang , Sijie Xiong , Rui Yang , EngGee Lim , Yutao Yue

Detectors often suffer from performance drop due to domain gap between training and testing data. Recent methods explore diffusion models applied to domain generalization (DG) and adaptation (DA) tasks, but still struggle with large…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Boyong He , Yuxiang Ji , Zhuoyue Tan , Liaoni Wu

Surface electromyography (sEMG)-based gesture recognition plays a critical role in human-machine interaction (HMI), particularly for rehabilitation and prosthetic control. However, sEMG-based systems often suffer from the scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Chen Liu , Can Han , Weishi Xu , Yaqi Wang , Dahong Qian

Unsupervised domain adaptation (UDA) methods facilitate the transfer of models to target domains without labels. However, these methods necessitate a labeled target validation set for hyper-parameter tuning and model selection. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Minghao Chen , Zepeng Gao , Shuai Zhao , Qibo Qiu , Wenxiao Wang , Binbin Lin , Xiaofei He

Reducing the number of false discoveries is presently one of the most pressing issues in the life sciences. It is of especially great importance for many applications in neuroimaging and genomics, where datasets are typically…

Methodology · Statistics 2018-06-26 Alexej Gossmann , Pascal Zille , Vince Calhoun , Yu-Ping Wang

Anomaly detection is a fundamental task in machine learning and data mining, with significant applications in cybersecurity, industrial fault diagnosis, and clinical disease monitoring. Traditional methods, such as statistical modeling and…

Machine Learning · Computer Science 2025-05-09 Yi Chen

Due to the emergence of various wireless sensing technologies, numerous positioning algorithms have been introduced in the literature, categorized into \emph{geometry-driven positioning} (GP) and \emph{data-driven positioning} (DP). These…

Information Theory · Computer Science 2023-04-11 Seung Min Yu , Jihong Park , Seung-Woo Ko

Only parts of unlabeled data are selected to train models for most semi-supervised learning methods, whose confidence scores are usually higher than the pre-defined threshold (i.e., the confidence margin). We argue that the recognition…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Hangyu Li , Nannan Wang , Xi Yang , Xiaoyu Wang , Xinbo Gao

Data augmentation is widely used to train deep learning models to address data scarcity. However, traditional data augmentation (TDA) typically relies on simple geometric transformation, such as random rotation and rescaling, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dekai Zhu , Stefan Gavranovic , Flavien Boussuge , Benjamin Busam , Slobodan Ilic

Animal pose estimation is an important field that has received increasing attention in the recent years. The main challenge for this task is the lack of labeled data. Existing works circumvent this problem with pseudo labels generated from…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Chen Li , Gim Hee Lee

We investigate whether synthetic images generated by diffusion models can enhance multi-label classification of protein subcellular localization. Specifically, we implement a simplified class-conditional denoising diffusion probabilistic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Sylvey Lin , Zhi-Yi Cao

Image-based 3D detection is an indispensable component of the perception system for autonomous driving. However, it still suffers from the unsatisfying performance, one of the main reasons for which is the limited training data.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Xinzhu Ma , Yuan Meng , Yinmin Zhang , Lei Bai , Jun Hou , Shuai Yi , Wanli Ouyang

Can a diffusion model produce its own "mental average" of a concept-one that is as sharp and realistic as a typical sample? We introduce Diffusion Mental Averages (DMA), a model-centric answer to this question. While prior methods aim to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Phonphrm Thawatdamrongkit , Sukit Seripanitkarn , Supasorn Suwajanakorn

Recent self-training techniques have shown notable improvements in unsupervised domain adaptation for 3D object detection (3D UDA). These techniques typically select pseudo labels, i.e., 3D boxes, to supervise models for the target domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Zhanwei Zhang , Minghao Chen , Shuai Xiao , Liang Peng , Hengjia Li , Binbin Lin , Ping Li , Wenxiao Wang , Boxi Wu , Deng Cai

Deep learning-based medical image segmentation faces significant challenges arising from limited labeled data and domain shifts. While prior approaches have primarily addressed these issues independently, their simultaneous occurrence is…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Zanting Ye , Ke Wang , Wenbing Lv , Qianjin Feng , Lijun Lu

Semi-supervised anomaly detection, which aims to improve the anomaly detection performance by using a small amount of labeled anomaly data in addition to unlabeled data, has attracted attention. Existing semi-supervised approaches assume…

Machine Learning · Statistics 2025-02-11 Hiroshi Takahashi , Tomoharu Iwata , Atsutoshi Kumagai , Yuuki Yamanaka

Medical Visual Question Answering (Med-VQA) systems benefit the interpretation of medical images containing critical clinical information. However, the challenge of noisy labels and limited high-quality datasets remains underexplored. To…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Erjian Guo , Zhen Zhao , Zicheng Wang , Tong Chen , Yunyi Liu , Luping Zhou

Identifying anomalous instances in tabular data is essential for improving data reliability and maintaining system stability. Due to the scarcity of ground-truth anomaly labels, existing methods mainly rely on unsupervised anomaly detection…

Artificial Intelligence · Computer Science 2026-04-21 Wei Huang , Yuxuan Xiong , Hezhe Qiao , Yu-Ming Shang , Xiangling Fu , Guansong Pang

Physiological and behavioral data collected from wearable or mobile sensors have been used to estimate self-reported stress levels. Since the stress annotation usually relies on self-reports during the study, a limited amount of labeled…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Han Yu , Akane Sano

In the field of computational pathology, deep learning algorithms have made significant progress in tasks such as nuclei segmentation and classification. However, the potential of these advanced methods is limited by the lack of available…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Hyun-Jic Oh , Won-Ki Jeong