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In this paper, we tackle the problem of novel visual category discovery, i.e., grouping unlabelled images from new classes into different semantic partitions by leveraging a labelled dataset that contains images from other different but…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Bingchen Zhao , Kai Han

Class-Incremental Learning is a challenging problem in machine learning that aims to extend previously trained neural networks with new classes. This is especially useful if the system is able to classify new objects despite the original…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Karl Holmquist , Lena Klasén , Michael Felsberg

In the context of high usability in single-class anomaly detection models, recent academic research has become concerned about the more complex multi-class anomaly detection. Although several papers have designed unified models for this…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Xi Jiang , Ying Chen , Qiang Nie , Jianlin Liu , Yong Liu , Chengjie Wang , Feng Zheng

Deep representations have shown promising performance when transferred to downstream tasks in a black-box manner. Yet, their inherent lack of interpretability remains a significant challenge, as these features are often opaque to human…

机器学习 · 计算机科学 2024-04-24 Yifei Wang , Qi Zhang , Yaoyu Guo , Yisen Wang

Change point detection (CPD) methods aim to identify abrupt shifts in the distribution of input data streams. Accurate estimators for this task are crucial across various real-world scenarios. Yet, traditional unsupervised CPD techniques…

机器学习 · 计算机科学 2024-12-04 Alexandra Bazarova , Evgenia Romanenkova , Alexey Zaytsev

Generalized Category Discovery (GCD) aims to classify unlabeled data containing both seen and novel categories. Although existing methods perform well on generic datasets, they struggle in fine-grained scenarios. We attribute this…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Enguang Wang , Zhimao Peng , Zhengyuan Xie , Haori Lu , Fei Yang , Xialei Liu

Open-world semi-supervised learning aims at inferring both known and novel classes in unlabeled data, by harnessing prior knowledge from a labeled set with known classes. Despite its importance, there is a lack of theoretical foundations…

机器学习 · 计算机科学 2023-11-08 Yiyou Sun , Zhenmei Shi , Yixuan Li

Causal discovery in the presence of unobserved common causes from observational data only is a crucial but challenging problem. We categorize all possible causal relationships between two random variables into the following four categories…

机器学习 · 统计学 2024-03-12 Masatoshi Kobayashi , Kohei Miyagichi , Shin Matsushima

We propose Graph Contrastive Learning (GraphCL), a general framework for learning node representations in a self supervised manner. GraphCL learns node embeddings by maximizing the similarity between the representations of two randomly…

机器学习 · 计算机科学 2020-07-17 Hakim Hafidi , Mounir Ghogho , Philippe Ciblat , Ananthram Swami

Generalized category discovery (GCD) aims at grouping unlabeled samples from known and unknown classes, given labeled data of known classes. To meet the recent decentralization trend in the community, we introduce a practical yet…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Nan Pu , Zhun Zhong , Xinyuan Ji , Nicu Sebe

We tackle the issue of generalized category discovery (GCD). GCD considers the open-world problem of automatically clustering a partially labelled dataset, in which the unlabelled data may contain instances from both novel categories and…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Shaozhe Hao , Kai Han , Kwan-Yee K. Wong

Unsupervised clustering aims at discovering the semantic categories of data according to some distance measured in the representation space. However, different categories often overlap with each other in the representation space at the…

Graph representation learning has attracted a surge of interest recently, whose target at learning discriminant embedding for each node in the graph. Most of these representation methods focus on supervised learning and heavily depend on…

机器学习 · 计算机科学 2021-07-07 Pengpeng Shao , Tong Liu , Dawei Zhang , Jianhua Tao , Feihu Che , Guohua Yang

Recent advances in deep learning have significantly improved the performance of various computer vision applications. However, discovering novel categories in an incremental learning scenario remains a challenging problem due to the lack of…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Hyungmin Kim , Sungho Suh , Daehwan Kim , Daun Jeong , Hansang Cho , Junmo Kim

The existence of noisy data is prevalent in both the training and testing phases of machine learning systems, which inevitably leads to the degradation of model performance. There have been plenty of works concentrated on learning with…

机器学习 · 计算机科学 2021-08-26 Zhi-Fan Wu , Tong Wei , Jianwen Jiang , Chaojie Mao , Mingqian Tang , Yu-Feng Li

Open set domain recognition has got the attention in recent years. The task aims to specifically classify each sample in the practical unlabeled target domain, which consists of all known classes in the manually labeled source domain and…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Xinxing He , Yuan Yuan , Zhiyu Jiang

Continual learning (CL) aims to train deep neural networks efficiently on streaming data while limiting the forgetting caused by new tasks. However, learning transferable knowledge with less interference between tasks is difficult, and…

机器学习 · 计算机科学 2023-10-31 Saurav Jha , Dong Gong , He Zhao , Lina Yao

Model checking is a key technique for verifying safety-critical systems against formal specifications, where recent applications of deep learning have shown promise. However, while ubiquitous for vision and language domains, representation…

机器学习 · 计算机科学 2025-10-07 Vladimir Krsmanovic , Matthias Cosler , Mohamed Ghanem , Bernd Finkbeiner

This paper studies the problem of detecting novel or unexpected instances in text classification. In traditional text classification, the classes appeared in testing must have been seen in training. However, in many applications, this is…

机器学习 · 计算机科学 2020-09-24 Qi Qin , Wenpeng Hu , Bing Liu

This paper studies the problem of novel category discovery on single- and multi-modal data with labels from different but relevant categories. We present a generic, end-to-end framework to jointly learn a reliable representation and assign…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Xuhui Jia , Kai Han , Yukun Zhu , Bradley Green