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Hyperspectral anomaly detection (HAD) aims to identify rare and irregular targets in high-dimensional hyperspectral images (HSIs), which are often noisy and unlabelled data. Existing deep learning methods either fail to capture long-range…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Aayushma Pant , Lakpa Tamang , Tsz-Kwan Lee , Sunil Aryal

Unsupervised domain adaptation (UDA) aims to adapt a model trained on the source domain (e.g. synthetic data) to the target domain (e.g. real-world data) without requiring further annotations on the target domain. This work focuses on UDA…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Lukas Hoyer , Dengxin Dai , Luc Van Gool

Deep reinforcement learning is used in various domains, but usually under the assumption that the environment has stationary conditions like transitions and state distributions. When this assumption is not met, performance suffers. For this…

Machine Learning · Computer Science 2024-05-24 Zihe Liu , Jie Lu , Guangquan Zhang , Junyu Xuan

Semi-supervised anomaly detection~(SSAD) is a task where normal data and a limited number of anomalous data are available for training. In practical situations, SSAD methods suffer adapting to domain shifts, since anomalous data are…

Machine Learning · Computer Science 2023-04-06 Tomoya Nishida , Takashi Endo , Yohei Kawaguchi

Active Alignment (AA) is a key technology for the large-scale automated assembly of high-precision optical systems. Compared with labor-intensive per-model on-device calibration, a digital-twin pipeline built on optical simulation offers a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Wenyong Li , Qi Jiang , Weijian Hu , Kailun Yang , Zhanjun Zhang , Wenjun Tian , Kaiwei Wang , Jian Bai

Medical Foundation Models (MFMs), trained on large-scale datasets, have demonstrated superior performance across various tasks. However, these models still struggle with domain gaps in practical applications. Specifically, even after…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jia-Xuan Jiang , Wenhui Lei , Yifeng Wu , Hongtao Wu , Furong Li , Yining Xie , Xiaofan Zhang , Zhong Wang

Unsupervised domain adaptation (UDA) seeks to bridge the domain gap between the target and source using unlabeled target data. Source-free UDA removes the requirement for labeled source data at the target to preserve data privacy and…

Machine Learning · Computer Science 2023-12-04 Tianlang He , Zhiqiu Xia , Jierun Chen , Haoliang Li , S. -H. Gary Chan

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

Domain adaptation (DA) techniques help deep learning models generalize across data shifts for point cloud semantic segmentation (PCSS). Test-time adaptation (TTA) allows direct adaptation of a pre-trained model to unlabeled data during…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Puzuo Wang , Wei Yao , Jie Shao , Zhiyi He

Deep learning-based diagnostic models often suffer performance drops due to distribution shifts between training (source) and test (target) domains. Collecting and labeling sufficient target domain data for model retraining represents an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yaofei Duan , Yuhao Huang , Xin Yang , Luyi Han , Xinyu Xie , Zhiyuan Zhu , Ping He , Ka-Hou Chan , Ligang Cui , Sio-Kei Im , Dong Ni , Tao Tan

We propose a simple neural network model to deal with the domain adaptation problem in object recognition. Our model incorporates the Maximum Mean Discrepancy (MMD) measure as a regularization in the supervised learning to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2016-07-28 Muhammad Ghifary , W. Bastiaan Kleijn , Mengjie Zhang

Domain adaptive detection aims to improve the generalization of detectors on target domain. To reduce discrepancy in feature distributions between two domains, recent approaches achieve domain adaption through feature alignment in different…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Libo Zhang , Wenzhang Zhou , Heng Fan , Tiejian Luo , Haibin Ling

This article introduces a new method to improve the dependability of millimeter-wave (mmWave) and terahertz (THz) network services in dynamic outdoor environments. In these settings, line-of-sight (LoS) connections are easily interrupted by…

Networking and Internet Architecture · Computer Science 2023-07-14 Mohammad Al-Quraan , Ahmed Zoha , Anthony Centeno , Haythem Bany Salameh , Sami Muhaidat , Muhammad Ali Imran , Lina Mohjazi

Human activity recognition (HAR) from on-body sensors is a core functionality in many AI applications: from personal health, through sports and wellness to Industry 4.0. A key problem holding up progress in wearable sensor-based HAR,…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Si Zuo , Vitor Fortes Rey , Sungho Suh , Stephan Sigg , Paul Lukowicz

Unsupervised domain adaptation enables intelligent models to transfer knowledge from a labeled source domain to a similar but unlabeled target domain. Recent study reveals that knowledge can be transferred from one source domain to another…

Computer Vision and Pattern Recognition · Computer Science 2020-11-06 Yueming Yin , Zhen Yang , Haifeng Hu , Xiaofu Wu

Unsupervised Domain Adaptation (DA) consists of adapting a model trained on a labeled source domain to perform well on an unlabeled target domain with some data distribution shift. While many methods have been proposed in the literature,…

Domain alignment (DA) has been widely used in unsupervised domain adaptation. Many existing DA methods assume that a low source risk, together with the alignment of distributions of source and target, means a low target risk. In this paper,…

Machine Learning · Computer Science 2020-06-12 Yueming Yin , Zhen Yang , Haifeng Hu , Xiaofu Wu

Anomaly detection (AD) plays a vital role across a wide range of domains, but its performance might deteriorate when applied to target domains with limited data. Domain Adaptation (DA) offers a solution by transferring knowledge from a…

Machine Learning · Statistics 2025-08-12 Tran Tuan Kiet , Nguyen Thang Loi , Vo Nguyen Le Duy

Object detection is essential in space applications targeting Space Domain Awareness and also applications involving relative navigation scenarios. Current deep learning models for Object Detection in space applications are often trained on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Samet Hicsonmez , Abd El Rahman Shabayek , Arunkumar Rathinam , Djamila Aouada

Domain adaptation (DA) addresses the real-world image classification problem of discrepancy between training (source) and testing (target) data distributions. We propose an unsupervised DA method that considers the presence of only…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Debasmit Das , C. S. George Lee