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Related papers: Category Discovery: An Open-World Perspective

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In conventional supervised learning, a training dataset is given with ground-truth labels from a known label set, and the learned model will classify unseen instances to known labels. This paper studies a new problem setting in which there…

Machine Learning · Computer Science 2024-06-03 Peng Zhao , Jia-Wei Shan , Yu-Jie Zhang , Zhi-Hua Zhou

In Open Set Domain Adaptation (OSDA), large amounts of target samples are drawn from the implicit categories that never appear in the source domain. Due to the lack of their specific belonging, existing methods indiscriminately regard them…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Jingyu Zhuang , Ziliang Chen , Pengxu Wei , Guanbin Li , Liang Lin

Anomaly detection, a.k.a. outlier detection or novelty detection, has been a lasting yet active research area in various research communities for several decades. There are still some unique problem complexities and challenges that require…

Machine Learning · Computer Science 2020-12-08 Guansong Pang , Chunhua Shen , Longbing Cao , Anton van den Hengel

Generalized category discovery (GCD) is essential for improving deep learning models' robustness in open-world scenarios by clustering unlabeled data containing both known and novel categories. Traditional GCD methods focus on minimizing…

Machine Learning · Computer Science 2025-05-21 Luyao Tang , Kunze Huang , Chaoqi Chen , Cheng Chen

Generalized Category Discovery (GCD) aims to recognize unlabeled images from known and novel classes by distinguishing novel classes from known ones, while also transferring knowledge from another set of labeled images with known classes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Qiyuan Dai , Hanzhuo Huang , Yu Wu , Sibei Yang

Novel class discovery (NCD) aims to infer novel categories in an unlabeled dataset by leveraging prior knowledge of a labeled set comprising disjoint but related classes. Given that most existing literature focuses primarily on utilizing…

Machine Learning · Computer Science 2023-06-07 Ziyun Li , Jona Otholt , Ben Dai , Di Hu , Christoph Meinel , Haojin Yang

Open-set object detection (OSOD), a task involving the detection of unknown objects while accurately detecting known objects, has recently gained attention. However, we identify a fundamental issue with the problem formulation employed in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Open-world object detection (OWOD) requires incrementally detecting known categories while reliably identifying unknown objects. Existing methods primarily focus on improving unknown recall, yet overlook interpretability, often leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Xueqiang Lv , Shizhou Zhang , Yinghui Xing , Di Xu , Peng Wang , Yanning Zhang

Existed pre-trained models have achieved state-of-the-art performance on various text classification tasks. These models have proven to be useful in learning universal language representations. However, the semantic discrepancy between…

Machine Learning · Computer Science 2022-01-07 Jinhe Lan , Qingyuan Zhan , Chenhao Jiang , Kunping Yuan , Desheng Wang

Out-of-distribution detection seeks to identify novelties, samples that deviate from the norm. The task has been found to be quite challenging, particularly in the case where the normal data distribution consists of multiple semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Niv Cohen , Ron Abutbul , Yedid Hoshen

Category-level object pose estimation aims to recover the rotation, translation and size of unseen instances within predefined categories. In this task, deep neural network-based methods have demonstrated remarkable performance. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Xiao Lin , Yun Peng , Liuyi Wang , Xianyou Zhong , Minghao Zhu , Jingwei Yang , Yi Feng , Chengju Liu , Qijun Chen

In this paper, we introduce our approach to the 5th CLVision Challenge, which presents distinctive challenges beyond traditional class incremental learning. Unlike standard settings, this competition features the recurrence of previously…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Sishun Pan , Tingmin Li , Yang Yang

Understanding causality helps to structure interventions to achieve specific goals and enables predictions under interventions. With the growing importance of learning causal relationships, causal discovery tasks have transitioned from…

Machine Learning · Computer Science 2022-09-15 Hang Chen , Keqing Du , Xinyu Yang , Chenguang Li

In recent years, with the rapid development of information on the Internet, the number of complex texts and documents has increased exponentially, which requires a deeper understanding of deep learning methods in order to accurately…

Computation and Language · Computer Science 2023-09-26 Zhongwei Wan

The environments, in which autonomous cars act, are high-risky, dynamic, and full of uncertainty, demanding a continuous update of their sensory information and knowledge bases. The frequency of facing an unknown object is too high making…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Paulo R. Vieira , Pedro D. Félix , Luis Macedo

Computer vision is driven by the many datasets available for training or evaluating novel methods. However, each dataset has a different set of class labels, visual definition of classes, images following a specific distribution, annotation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Jasper Uijlings , Thomas Mensink , Vittorio Ferrari

We introduce Test-Time Discovery (TTD) as a novel task that addresses class shifts during testing, requiring models to simultaneously identify emerging categories while preserving previously learned ones. A key challenge in TTD is…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Fan Lyu , Tianle Liu , Zhang Zhang , Fuyuan Hu , Liang Wang

Concept discovery is one of the open problems in the interpretability literature that is important for bridging the gap between non-deep learning experts and model end-users. Among current formulations, concepts defines them by as a…

Machine Learning · Computer Science 2022-02-11 Adrianna Janik , Kris Sankaran

Advancements in deep learning techniques have given a boost to the performance of anomaly detection. However, real-world and safety-critical applications demand a level of transparency and reasoning beyond accuracy. The task of anomaly…

Machine Learning · Computer Science 2023-11-03 Laya Rafiee Sevyeri , Ivaxi Sheth , Farhood Farahnak , Samira Ebrahimi Kahou , Shirin Abbasinejad Enger

Deep learners tend to perform well when trained under the closed set assumption but struggle when deployed under open set conditions. This motivates the field of Open Set Recognition in which we seek to give deep learners the ability to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Daniel Brignac , Abhijit Mahalanobis
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