English
Related papers

Related papers: Interleaving One-Class and Weakly-Supervised Model…

200 papers

Open World Object Detection (OWOD) is a novel computer vision task with a considerable challenge, bridging the gap between classic object detection (OD) benchmarks and real-world object detection. In addition to detecting and classifying…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Shuailei Ma , Yuefeng Wang , Ying Wei , Peihao Chen , Zhixiang Ye , Jiaqi Fan , Enming Zhang , Thomas H. Li

Unsupervised continual learning aims to learn new tasks incrementally without requiring human annotations. However, most existing methods, especially those targeted on image classification, only work in a simplified scenario by assuming all…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiangpeng He , Fengqing Zhu

Learning to detect real-world anomalous events through video-level labels is a challenging task due to the rare occurrence of anomalies as well as noise in the labels. In this work, we propose a weakly supervised anomaly detection method…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Muhammad Zaigham Zaheer , Arif Mahmood , Marcella Astrid , Seung-Ik Lee

Video anomaly detection (VAD) is crucial for video analysis and surveillance in computer vision. However, existing VAD models rely on learned normal patterns, which makes them difficult to apply to diverse environments. Consequently, users…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Sunghyun Ahn , Youngwan Jo , Kijung Lee , Sein Kwon , Inpyo Hong , Sanghyun Park

Scaling laws guide large language model training by relating compute to cross-entropy loss, and recent work further extends them to predict downstream benchmark performance. However, prior approaches face generalization limitations from two…

Computation and Language · Computer Science 2026-05-28 Quanen Sun , Changxin Tian , Ke Shi , Cai Chen , Cunyin Peng , Jia Liu , Kunlong Chen , Zhiqiang Zhang

Semi-supervised 3D object detection (SS3DOD) aims to reduce costly 3D annotations utilizing unlabeled data. Recent studies adopt pseudo-label-based teacher-student frameworks and demonstrate impressive performance. The main challenge of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Taehun Kong , Tae-Kyun Kim

Supervised learning based object detection frameworks demand plenty of laborious manual annotations, which may not be practical in real applications. Semi-supervised object detection (SSOD) can effectively leverage unlabeled data to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Qiang Zhou , Chaohui Yu , Zhibin Wang , Qi Qian , Hao Li

Anomaly detection aims to recognize samples with anomalous and unusual patterns with respect to a set of normal data. This is significant for numerous domain applications, such as industrial inspection, medical imaging, and security…

Machine Learning · Computer Science 2020-03-30 Shuo Wang , Tianle Chen , Shangyu Chen , Carsten Rudolph , Surya Nepal , Marthie Grobler

Conventional open-world object detection (OWOD) problem setting first distinguishes known and unknown classes and then later incrementally learns the unknown objects when introduced with labels in the subsequent tasks. However, the current…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Sahal Shaji Mullappilly , Abhishek Singh Gehlot , Rao Muhammad Anwer , Fahad Shahbaz Khan , Hisham Cholakkal

Large amounts of labeled training data are one of the main contributors to the great success that deep models have achieved in the past. Label acquisition for tasks other than benchmarks can pose a challenge due to requirements of both…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Weakly-supervised learning has become a popular technology in recent years. In this paper, we propose a novel medical image classification algorithm, called Weakly-Supervised Generative Adversarial Networks (WSGAN), which only uses a small…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Qi Huang

Despite the recent advances in video classification, progress in spatio-temporal action recognition has lagged behind. A major contributing factor has been the prohibitive cost of annotating videos frame-by-frame. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Anurag Arnab , Chen Sun , Arsha Nagrani , Cordelia Schmid

Unsupervised domain adaptation (UDA) tries to overcome the tedious work of labeling data by leveraging a labeled source dataset and transferring its knowledge to a similar but different target dataset. Meanwhile, current vision-language…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Thomas Westfechtel , Dexuan Zhang , Tatsuya Harada

Open World Object Detection (OWOD) is a novel and challenging computer vision task that enables object detection with the ability to detect unknown objects. Existing methods typically estimate the object likelihood with an additional…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Yulin He , Wei Chen , Yusong Tan , Siqi Wang

Semi-supervised learning (SSL) has been proposed to leverage unlabeled data for training powerful models when only limited labeled data is available. While existing SSL methods assume that samples in the labeled and unlabeled data share the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Qing Yu , Daiki Ikami , Go Irie , Kiyoharu Aizawa

Network Intrusion Detection Systems (NIDS) are essential tools for detecting network attacks and intrusions. While extensive research has explored the use of supervised Machine Learning for attack detection and characterisation, these…

Cryptography and Security · Computer Science 2026-04-23 Georgios Anyfantis , Pere Barlet-Ros

Video Anomaly Detection (VAD), aiming to identify abnormalities within a specific context and timeframe, is crucial for intelligent Video Surveillance Systems. While recent deep learning-based VAD models have shown promising results by…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Hao Shen , Lu Shi , Wanru Xu , Yigang Cen , Linna Zhang , Gaoyun An

Weak supervision (WS) frameworks are a popular way to bypass hand-labeling large datasets for training data-hungry models. These approaches synthesize multiple noisy but cheaply-acquired estimates of labels into a set of high-quality…

Machine Learning · Computer Science 2023-11-30 Changho Shin , Winfred Li , Harit Vishwakarma , Nicholas Roberts , Frederic Sala

Weakly-Supervised Object Detection (WSOD) and Localization (WSOL), i.e., detecting multiple and single instances with bounding boxes in an image using image-level labels, are long-standing and challenging tasks in the CV community. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Feifei Shao , Long Chen , Jian Shao , Wei Ji , Shaoning Xiao , Lu Ye , Yueting Zhuang , Jun Xiao

Weakly-Supervised Video Anomaly Detection aims to identify anomalous events using only video-level labels, balancing annotation efficiency with practical applicability. However, existing methods often oversimplify the anomaly space by…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Junhee Lee , ChaeBeen Bang , MyoungChul Kim , MyeongAh Cho