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Novelty detection is commonly referred to as the discrimination of observations that do not conform to a learned model of regularity. Despite its importance in different application settings, designing a novelty detector is utterly complex…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Davide Abati , Angelo Porrello , Simone Calderara , Rita Cucchiara

We introduce Domain-specific Masks for Generalization, a model for improving both in-domain and out-of-domain generalization performance. For domain generalization, the goal is to learn from a set of source domains to produce a single model…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Prithvijit Chattopadhyay , Yogesh Balaji , Judy Hoffman

In this paper, we look at the problem of few-shot classification that aims to learn a classifier for previously unseen classes and domains from few labeled samples. Recent methods use adaptation networks for aligning their features to new…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Wei-Hong Li , Xialei Liu , Hakan Bilen

Generalizing knowledge to unseen domains, where data and labels are unavailable, is crucial for machine learning models. We tackle the domain generalization problem to learn from multiple source domains and generalize to a target domain…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Fan Zhou , Zhuqing Jiang , Changjian Shui , Boyu Wang , Brahim Chaib-draa

Log anomaly detection is essential for system reliability, but it is extremely challenging to do considering it involves class imbalance. Additionally, the models trained in one domain are not applicable to other domains, necessitating the…

机器学习 · 计算机科学 2026-01-22 Krishna Sharma , Vivek Yelleti

Anomaly detection aims to detect abnormal events by a model of normality. It plays an important role in many domains such as network intrusion detection, criminal activity identity and so on. With the rapidly growing size of accessible…

机器学习 · 计算机科学 2018-08-02 Chu Wang , Yan-Ming Zhang , Cheng-Lin Liu

Intelligent perception and interaction with the world hinges on internal representations that capture its underlying structure (''disentangled'' or ''abstract'' representations). Disentangled representations serve as world models, isolating…

机器学习 · 计算机科学 2025-03-04 Pantelis Vafidis , Aman Bhargava , Antonio Rangel

Modern visual systems have a wide range of potential applications in vision tasks for natural science research, such as aiding in species discovery, monitoring animals in the wild, and so on. However, real-world vision tasks may experience…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Kai Yi , Paul Janson , Wenxuan Zhang , Mohamed Elhoseiny

Domain adaptation aims at adapting the knowledge acquired on a source domain to a new different but related target domain. Several approaches have beenproposed for classification tasks in the unsupervised scenario, where no labeled target…

计算机视觉与模式识别 · 计算机科学 2015-04-30 Basura Fernando , Tatiana Tommasi , Tinne Tuytelaars

Spatial autocorrelation and spatial heterogeneity widely exist in spatial data, which make the traditional machine learning model perform badly. Spatial domain generalization is a spatial extension of domain generalization, which can…

机器学习 · 计算机科学 2022-12-29 Dazhou Yu , Guangji Bai , Yun Li , Liang Zhao

In the generalized zero-shot learning, synthesizing unseen data with generative models has been the most popular method to address the imbalance of training data between seen and unseen classes. However, this method requires that the unseen…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Xinsheng Wang , Shanmin Pang , Jihua Zhu

Real-world machine learning applications often face simultaneous covariate and semantic shifts, challenging traditional domain generalization and out-of-distribution (OOD) detection methods. We introduce Meta-learned Across Domain…

机器学习 · 计算机科学 2024-11-06 Haoliang Wang , Chen Zhao , Feng Chen

Zero-shot learning (ZSL) aims to recognize novel classes by transferring semantic knowledge from seen classes to unseen classes. Though many ZSL methods rely on a direct mapping between the visual and the semantic space, the calibration…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Yang Liu , Lei Zhou , Xiao Bai , Lin Gu , Tatsuya Harada , Jun Zhou

Training a single network with multiple objectives often leads to conflicting gradients that degrade shared representations, forcing them into a compromised state that is suboptimal for any single task--a problem we term latent…

机器学习 · 计算机科学 2026-03-03 Chi-Yao Huang , Khoa Vo , Aayush Atul Verma , Duo Lu , Yezhou Yang

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

机器人学 · 计算机科学 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Anomaly detection is a crucial task in various domains. Most of the existing methods assume the normal sample data clusters around a single central prototype while the real data may consist of multiple categories or subgroups. In addition,…

机器学习 · 统计学 2024-12-03 Zhijin Dong , Hongzhi Liu , Boyuan Ren , Weimin Xiong , Zhonghai Wu

Domain adaptation is an important technique to alleviate performance degradation caused by domain shift, e.g., when training and test data come from different domains. Most existing deep adaptation methods focus on reducing domain shift by…

机器学习 · 计算机科学 2019-06-25 Jun Wen , Nenggan Zheng , Junsong Yuan , Zhefeng Gong , Changyou Chen

In this study, we focus on the unsupervised domain adaptation problem where an approximate inference model is to be learned from a labeled data domain and expected to generalize well to an unlabeled data domain. The success of unsupervised…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Jing Wang , Jiahong Chen , Jianzhe Lin , Leonid Sigal , Clarence W. de Silva

To improve the generalization of detectors, for domain adaptive object detection (DAOD), recent advances mainly explore aligning feature-level distributions between the source and single-target domain, which may neglect the impact of…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Aming Wu , Rui Liu , Yahong Han , Linchao Zhu , Yi Yang

Domain generalization models learn to generalize to previously unseen domains, but suffer from prediction uncertainty and domain shift. In this paper, we address both problems. We introduce a probabilistic meta-learning model for domain…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Yingjun Du , Jun Xu , Huan Xiong , Qiang Qiu , Xiantong Zhen , Cees G. M. Snoek , Ling Shao