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Real world data often exhibits a long-tailed and open-ended (with unseen classes) distribution. A practical recognition system must balance between majority (head) and minority (tail) classes, generalize across the distribution, and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Ziwei Liu , Zhongqi Miao , Xiaohang Zhan , Jiayun Wang , Boqing Gong , Stella X. Yu

In this paper we address imbalanced binary classification (IBC) tasks. Applying resampling strategies to balance the class distribution of training instances is a common approach to tackle these problems. Many state-of-the-art methods find…

Machine Learning · Computer Science 2022-05-31 Vitor Cerqueira , Luis Torgo , Paula Branco , Colin Bellinger

Data is the foundation for the development of computer vision, and the establishment of datasets plays an important role in advancing the techniques of fine-grained visual categorization~(FGVC). In the existing FGVC datasets used in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Shuo Ye , Shiming Chen , Ruxin Wang , Tianxu Wu , Jiamiao Xu , Salman Khan , Fahad Shahbaz Khan , Ling Shao

Artificial intelligence has advanced quantitative remote sensing, yet its effectiveness is constrained by imbalanced label distribution. This imbalance leads conventionally trained models to favor common samples, which in turn degrades…

Machine Learning · Computer Science 2025-10-24 Fangjian Zhang , Xiaoyong Zhuge , Wenlan Wang , Haixia Xiao , Yuying Zhu , Siyang Cheng

Class imbalance has been extensively studied in single-view scenarios; however, addressing this challenge in multi-view contexts remains an open problem, with even scarcer research focusing on trustworthy solutions. In this paper, we tackle…

Machine Learning · Computer Science 2025-11-13 Chuanqing Tang , Yifei Shi , Guanghao Lin , Lei Xing , Long Shi

Industrial Anomaly Detection (IAD) is a subproblem within Computer Vision Anomaly Detection that has been receiving increasing amounts of attention due to its applicability to real-life scenarios. Recent research has focused on how to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Mariette Schönfeld , Wannes Meert , Hendrik Blockeel

Intent understanding plays an important role in dialog systems, and is typically formulated as a supervised learning problem. However, it is challenging and time-consuming to design the intents for a new domain from scratch, which usually…

Computation and Language · Computer Science 2021-12-15 Pengfei Liu , Youzhang Ning , King Keung Wu , Kun Li , Helen Meng

Recent advances in artificial intelligence (AI) offer an opportunity for the adoption of self-driving networks. However, network operators or home-network users still do not have the right tools to exploit these new advancements in AI,…

Networking and Internet Architecture · Computer Science 2020-08-14 Arthur Selle Jacobs , Ricardo José Pfitscher , Ronaldo Alves Ferreira , Lisandro Zambenedetti Granville

Intent classification is a fundamental task in natural language understanding, aiming to categorize user queries or sentences into predefined classes to understand user intent. The most challenging aspect of this particular task lies in…

Computation and Language · Computer Science 2023-12-19 Mehedi Hasan , Mohammad Jahid Ibna Basher , Md. Tanvir Rouf Shawon

In the field of continual learning, relying on so-called oracles for novelty detection is commonplace albeit unrealistic. This paper introduces CONCLAD ("COntinuous Novel CLAss Detector"), a comprehensive solution to the under-explored…

Machine Learning · Computer Science 2024-12-17 Amanda Rios , Ibrahima Ndiour , Parual Datta , Omesh Tickoo , Nilesh Ahuja

Recently, large-scale pre-trained vision-language models have presented benefits for alleviating class imbalance in long-tailed recognition. However, the long-tailed data distribution can corrupt the representation space, where the distance…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Siming Fu , Xiaoxuan He , Xinpeng Ding , Yuchen Cao , Hualiang Wang

Previous OOD detection systems only focus on the semantic gap between ID and OOD samples. Besides the semantic gap, we are faced with two additional gaps: the domain gap between source and target domains, and the class-imbalance gap between…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xiang Fang , Arvind Easwaran , Blaise Genest , Ponnuthurai Nagaratnam Suganthan

Identifying the unknown (novel) user intents that have never appeared in the training set is a challenging task in the dialogue system. In this paper, we present a two-stage method for detecting unknown intents. We use bidirectional long…

Computation and Language · Computer Science 2019-06-04 Ting-En Lin , Hua Xu

Spurious correlations in training data significantly hinder the generalization capability of machine learning models when faced with distribution shifts, leading to the proposition of numberous debiasing methods. However, it remains to be…

Machine Learning · Computer Science 2025-05-22 Peng Kuang , Zhibo Wang , Zhixuan Chu , Jingyi Wang , Kui Ren

Intent detection is a crucial component of modern conversational systems, since accurately identifying user intent at the beginning of a conversation is essential for generating effective responses. Recent efforts have focused on studying…

Computation and Language · Computer Science 2025-09-09 Liang Zhang , Yuan Li , Shijie Zhang , Zheng Zhang , Xitong Li

User identity linkage (UIL), matching accounts of a person on different social networks, is a fundamental task in cross-network data mining. Recent works have achieved promising results by exploiting graph neural networks (GNNs) to capture…

Social and Information Networks · Computer Science 2023-08-11 Meixiu Long , Siyuan Chen , Xin Du , Jiahai Wang

Unpaired Image-to-image Translation is a new rising and challenging vision problem that aims to learn a mapping between unaligned image pairs in diverse domains. Recent advances in this field like MUNIT and DRIT mainly focus on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Zhiqiang Shen , Mingyang Huang , Jianping Shi , Xiangyang Xue , Thomas Huang

Multi-label classification models have a wide range of applications in E-commerce, including visual-based label predictions and language-based sentiment classifications. A major challenge in achieving satisfactory performance for these…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Xin Shen , Praful Agrawal , Zhongwei Cheng

Real-world visual data often exhibits a long-tailed distribution, where some ''head'' classes have a large number of samples, yet only a few samples are available for ''tail'' classes. Such imbalanced distribution causes a great challenge…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Junjie Zhang , Lingqiao Liu , Peng Wang , Chunhua Shen

Dialogue intent classification aims to identify the underlying purpose or intent of a user's input in a conversation. Current intent classification systems encounter considerable challenges, primarily due to the vast number of possible…

Computation and Language · Computer Science 2024-12-23 Gyutae Park , Ingeol Baek , ByeongJeong Kim , Joongbo Shin , Hwanhee Lee