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相关论文: Towards Real-world Scenario: Imbalanced New Intent…

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One of the primary tasks in Natural Language Understanding (NLU) is to recognize the intents as well as domains of users' spoken and written language utterances. Most existing research formulates this as a supervised classification problem…

计算与语言 · 计算机科学 2020-06-03 Nikhita Vedula , Rahul Gupta , Aman Alok , Mukund Sridhar

Imbalanced music genre classification is a crucial task in the Music Information Retrieval (MIR) field for identifying the long-tail, data-poor genre based on the related music audio segments, which is very prevalent in real-world…

声音 · 计算机科学 2022-09-12 Xiaokai Liu , Menghua Zhang

Generalized Category Discovery (GCD) utilizes labeled samples of known classes to discover novel classes in unlabeled samples. Existing methods show effective performance on artificial datasets with balanced distributions. However,…

人工智能 · 计算机科学 2025-07-31 Cuong Manh Hoang

In this paper, we address the problem of novel class discovery (NCD), which aims to cluster novel classes by leveraging knowledge from disjoint known classes. While recent advances have made significant progress in this area, existing NCD…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Xinhang Wan , Jiyuan Liu , Qian Qu , Suyuan Liu , Chuyu Zhang , Fangdi Wang , Xinwang Liu , En Zhu , Kunlun He

This work addresses the task of generalized class discovery (GCD) in instance segmentation. The goal is to discover novel classes and obtain a model capable of segmenting instances of both known and novel categories, given labeled and…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Cuong Manh Hoang , Yeejin Lee , Byeongkeun Kang

In task-oriented dialogue systems, intent detection is crucial for interpreting user queries and providing appropriate responses. Existing research primarily addresses simple queries with a single intent, lacking effective systems for…

计算与语言 · 计算机科学 2024-10-31 Ankan Mullick , Sombit Bose , Abhilash Nandy , Gajula Sai Chaitanya , Pawan Goyal

Novel class discovery (NCD) aims at learning a model that transfers the common knowledge from a class-disjoint labelled dataset to another unlabelled dataset and discovers new classes (clusters) within it. Many methods, as well as elaborate…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Wenbin Li , Zhichen Fan , Jing Huo , Yang Gao

A thorough and holistic scene understanding is crucial for autonomous vehicles, where LiDAR semantic segmentation plays an indispensable role. However, most existing methods focus on the network design while neglecting the inherent…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peishan Cong , Xinge Zhu , Yuexin Ma

Recently, long-tailed image classification harvests lots of research attention, since the data distribution is long-tailed in many real-world situations. Piles of algorithms are devised to address the data imbalance problem by biasing the…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Chaowei Fang , Dingwen Zhang , Wen Zheng , Xue Li , Le Yang , Lechao Cheng , Junwei Han

Classification tasks present challenges due to class imbalances and evolving data distributions. Addressing these issues requires a robust method to handle imbalances while effectively detecting out-of-distribution (OOD) samples not…

机器学习 · 计算机科学 2024-09-05 Priyanka Chudasama , Anil Surisetty , Aakarsh Malhotra , Alok Singh

Real-world data often follows a long-tailed distribution, which makes the performance of existing classification algorithms degrade heavily. A key issue is that samples in tail categories fail to depict their intra-class diversity. Humans…

计算机视觉与模式识别 · 计算机科学 2022-02-14 Xiaohua Chen , Yucan Zhou , Dayan Wu , Wanqian Zhang , Yu Zhou , Bo Li , Weiping Wang

Intent detection aims to identify user intents from natural language inputs, where supervised methods rely heavily on labeled in-domain (IND) data and struggle with out-of-domain (OOD) intents, limiting their practical applicability.…

计算与语言 · 计算机科学 2025-06-11 Xiao Wei , Xiaobao Wang , Ning Zhuang , Chenyang Wang , Longbiao Wang , Jianwu dang

In a practical dialogue system, users may input out-of-domain (OOD) queries. The Generalized Intent Discovery (GID) task aims to discover OOD intents from OOD queries and extend them to the in-domain (IND) classifier. However, GID only…

计算与语言 · 计算机科学 2023-10-17 Xiaoshuai Song , Yutao Mou , Keqing He , Yueyan Qiu , Pei Wang , Weiran Xu

Our work focuses on tackling the challenging but natural visual recognition task of long-tailed data distribution (i.e., a few classes occupy most of the data, while most classes have rarely few samples). In the literature, class…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Boyan Zhou , Quan Cui , Xiu-Shen Wei , Zhao-Min Chen

When deployed for risk-sensitive tasks, deep neural networks must be able to detect instances with labels from outside the distribution for which they were trained. In this paper we present a novel framework to benchmark the ability of…

机器学习 · 计算机科学 2023-02-24 Ido Galil , Mohammed Dabbah , Ran El-Yaniv

Class imbalance is a ubiquitous phenomenon occurring in real world data distributions. To overcome its detrimental effect on training accurate classifiers, existing work follows three major directions: class re-balancing, information…

机器学习 · 计算机科学 2022-10-04 Rahul Duggal , Shengyun Peng , Hao Zhou , Duen Horng Chau

Understanding human intent in complex multi-turn interactions remains a fundamental challenge in human-computer interaction and behavioral analysis. While existing intent recognition datasets focus mainly on single utterances or simple…

人工智能 · 计算机科学 2026-04-15 Shufang Lin , Muyang Chen , Xiabing Zhou , Rongrong Zhang , Dayou Zhang , Fangxin Wang

Detecting and rejecting unknown out-of-distribution (OOD) samples is critical for deployed neural networks to void unreliable predictions. In real-world scenarios, however, the efficacy of existing OOD detection methods is often impeded by…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Kai Liu , Zhihang Fu , Sheng Jin , Chao Chen , Ze Chen , Rongxin Jiang , Fan Zhou , Yaowu Chen , Jieping Ye

Fake news detection is an important and challenging task for defending online information integrity. Existing state-of-the-art approaches typically extract news semantic clues, such as writing patterns that include emotional words,…

计算与语言 · 计算机科学 2025-09-03 Zhengjia Wang , Qiang Sheng , Danding Wang , Beizhe Hu , Juan Cao

Generalized Class Discovery (GCD) plays a pivotal role in discerning both known and unknown categories from unlabeled datasets by harnessing the insights derived from a labeled set comprising recognized classes. A significant limitation in…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Ziyun Li , Christoph Meinel , Haojin Yang