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Adaptive Markov chain Monte Carlo (MCMC) algorithms, which automatically tune their parameters based on past samples, have proved extremely useful in practice. The self-tuning mechanism makes them `non-Markovian', which means that their…

Probability · Mathematics 2024-08-28 Pietari Laitinen , Matti Vihola

For automotive applications, the Graph Attention Network (GAT) is a prominently used architecture to include relational information of a traffic scenario during feature embedding. As shown in this work, however, one of the most popular GAT…

Machine Learning · Computer Science 2023-05-26 Marion Neumeier , Andreas Tollkühn , Sebastian Dorn , Michael Botsch , Wolfgang Utschick

This paper proposes an adaptive graph-based approach for multi-label image classification. Graph-based methods have been largely exploited in the field of multi-label classification, given their ability to model label correlations.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Indel Pal Singh , Enjie Ghorbel , Oyebade Oyedotun , Djamila Aouada

Unsupervised domain adaption has been widely adopted in tasks with scarce annotated data. Unfortunately, mapping the target-domain distribution to the source-domain unconditionally may distort the essential structural information of the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Munan Ning , Donghuan Lu , Yujia Xie , Dongdong Chen , Dong Wei , Yefeng Zheng , Yonghong Tian , Shuicheng Yan , Li Yuan

Graph Anomaly Detection (GAD) has demonstrated great effectiveness in identifying unusual patterns within graph-structured data. However, while labeled anomalies are often scarce in emerging applications, existing supervised GAD approaches…

Machine Learning · Computer Science 2025-10-21 Delaram Pirhayati , Arlei Silva

Simulation-to-real domain adaptation for semantic segmentation has been actively studied for various applications such as autonomous driving. Existing methods mainly focus on a single-source setting, which cannot easily handle a more…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Sicheng Zhao , Bo Li , Xiangyu Yue , Yang Gu , Pengfei Xu , Runbo Hu , Hua Chai , Kurt Keutzer

We present a new semi-supervised domain adaptation framework that combines a novel auto-encoder-based domain adaptation model with a simultaneous learning scheme providing stable improvements over state-of-the-art domain adaptation models.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Md Mahmudur Rahman , Rameswar Panda , Mohammad Arif Ul Alam

Existing techniques to adapt semantic segmentation networks across the source and target domains within deep convolutional neural networks (CNNs) deal with all the samples from the two domains in a global or category-aware manner. They do…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Minsu Kim , Sunghun Joung , Seungryong Kim , JungIn Park , Ig-Jae Kim , Kwanghoon Sohn

This paper addresses domain adaptation challenges in graph data resulting from chronological splits. In a transductive graph learning setting, where each node is associated with a timestamp, we focus on the task of Semi-Supervised Node…

Machine Learning · Computer Science 2024-11-19 Sejun Park , Joo Young Park , Hyunwoo Park

Compared to unsupervised domain adaptation, semi-supervised domain adaptation (SSDA) aims to significantly improve the classification performance and generalization capability of the model by leveraging the presence of a small amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jichang Li , Guanbin Li , Yizhou Yu

We introduce a novel approach to unsupervised and semi-supervised domain adaptation for semantic segmentation. Unlike many earlier methods that rely on adversarial learning for feature alignment, we leverage contrastive learning to bridge…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Weizhe Liu , David Ferstl , Samuel Schulter , Lukas Zebedin , Pascal Fua , Christian Leistner

In this article we propose a novel MCMC method based on deterministic transformations T: X x D --> X where X is the state-space and D is some set which may or may not be a subset of X. We refer to our new methodology as Transformation-based…

Computation · Statistics 2013-10-21 Somak Dutta , Sourabh Bhattacharya

Domain adaptation addresses the common problem when the target distribution generating our test data drifts from the source (training) distribution. While absent assumptions, domain adaptation is impossible, strict conditions, e.g.…

Machine Learning · Computer Science 2019-03-13 Yifan Wu , Ezra Winston , Divyansh Kaushik , Zachary Lipton

Time series anomaly detection is a challenging task with a wide range of real-world applications. Due to label sparsity, training a deep anomaly detector often relies on unsupervised approaches. Recent efforts have been devoted to time…

Machine Learning · Computer Science 2023-04-18 Kwei-Herng Lai , Lan Wang , Huiyuan Chen , Kaixiong Zhou , Fei Wang , Hao Yang , Xia Hu

We consider the problem of unsupervised domain adaptation in semantic segmentation. The key in this campaign consists in reducing the domain shift, i.e., enforcing the data distributions of the two domains to be similar. A popular strategy…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yawei Luo , Liang Zheng , Tao Guan , Junqing Yu , Yi Yang

Cross-domain sentiment classification (CDSC) aims to use the transferable semantics learned from the source domain to predict the sentiment of reviews in the unlabeled target domain. Existing studies in this task attach more attention to…

Computation and Language · Computer Science 2022-05-19 Kai Zhang , Qi Liu , Zhenya Huang , Mingyue Cheng , Kun Zhang , Mengdi Zhang , Wei Wu , Enhong Chen

Recent years have witnessed tremendous interest in deep learning on graph-structured data. Due to the high cost of collecting labeled graph-structured data, domain adaptation is important to supervised graph learning tasks with limited…

Machine Learning · Computer Science 2021-06-15 Ruichu Cai , Fengzhu Wu , Zijian Li , Pengfei Wei , Lingling Yi , Kun Zhang

Domain adaptation aims to learn a transferable model to bridge the domain shift between one labeled source domain and another sparsely labeled or unlabeled target domain. Since the labeled data may be collected from multiple sources,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Sicheng Zhao , Bo Li , Xiangyu Yue , Pengfei Xu , Kurt Keutzer

Predicting structured outputs such as semantic segmentation relies on expensive per-pixel annotations to learn supervised models like convolutional neural networks. However, models trained on one data domain may not generalize well to other…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Yi-Hsuan Tsai , Kihyuk Sohn , Samuel Schulter , Manmohan Chandraker

Graph-structured data is ubiquitous in the world which models complex relationships between objects, enabling various Web applications. Daily influxes of unlabeled graph data on the Web offer immense potential for these applications. Graph…

Machine Learning · Computer Science 2024-03-12 Yun Zhu , Yaoke Wang , Haizhou Shi , Zhenshuo Zhang , Dian Jiao , Siliang Tang