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Detecting Out-of-Distribution (OOD) samples in real world visual applications like classification or object detection has become a necessary precondition in today's deployment of Deep Learning systems. Many techniques have been proposed, of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Abhishek Joshi , Sathish Chalasani , Kiran Nanjunda Iyer

Methods that move towards less supervised scenarios are key for image segmentation, as dense labels demand significant human intervention. Generally, the annotation burden is mitigated by labeling datasets with weaker forms of supervision,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Weakly supervised object detection (WSOD) aims to tackle the object detection problem using only labeled image categories as supervision. A common approach used in WSOD to deal with the lack of localization information is Multiple Instance…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Luis Felipe Zeni , Claudio Jung

State-of-the-art visual recognition and detection systems increasingly rely on large amounts of training data and complex classifiers. Therefore it becomes increasingly expensive both to manually annotate datasets and to keep running times…

Computer Vision and Pattern Recognition · Computer Science 2014-12-02 Stefan Mathe , Cristian Sminchisescu

Weakly Supervised Semantic Segmentation (WSSS), which leverages image-level labels, has garnered significant attention due to its cost-effectiveness. The previous methods mainly strengthen the inter-class differences to avoid class semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Wangyu Wu , Xianglin Qiu , Siqi Song , Xiaowei Huang , Fei Ma , Jimin Xiao

Deep learning architectures exhibit a critical drop of performance due to catastrophic forgetting when they are required to incrementally learn new tasks. Contemporary incremental learning frameworks focus on image classification and object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Umberto Michieli , Pietro Zanuttigh

In this work, we propose a new transformer-based regularization to better localize objects for Weakly supervised semantic segmentation (WSSS). In image-level WSSS, Class Activation Map (CAM) is adopted to generate object localization as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Weixuan Sun , Yanhao Zhang , Zhen Qin , Zheyuan Liu , Lin Cheng , Fanyi Wang , Yiran Zhong , Nick Barnes

Although graph neural networks have achieved great success in the task of molecular property prediction in recent years, their generalization ability under out-of-distribution (OOD) settings is still under-explored. Different from existing…

Machine Learning · Computer Science 2023-11-09 Zijian Li , Zunhong Xu , Ruichu Cai , Zhenhui Yang , Yuguang Yan , Zhifeng Hao , Guangyi Chen , Kun Zhang

Despite outstanding semantic scene segmentation in closed-worlds, deep neural networks segment novel instances poorly, which is required for autonomous agents acting in an open world. To improve out-of-distribution (OOD) detection for…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Meghna Gummadi , Cassandra Kent , Karl Schmeckpeper , Eric Eaton

Weakly Supervised Semantic Segmentation (WSSS) based on image-level labels has been greatly advanced by exploiting the outputs of Class Activation Map (CAM) to generate the pseudo labels for semantic segmentation. However, CAM merely…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Fei Zhang , Chaochen Gu , Chenyue Zhang , Yuchao Dai

Weakly supervised semantic segmentation with only image-level labels saves large human effort to annotate pixel-level labels. Cutting-edge approaches rely on various innovative constraints and heuristic rules to generate the masks for every…

Computer Vision and Pattern Recognition · Computer Science 2020-01-31 Junsong Fan , Zhaoxiang Zhang , Tieniu Tan , Chunfeng Song , Jun Xiao

Ancient history relies on the study of ancient characters. However, real-world scanned oracle characters are difficult to collect and annotate, posing a major obstacle for oracle character recognition (OrCR). Besides, serious abrasion and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Mei Wang , Weihong Deng , Sen Su

Deep convolutional networks have achieved the state-of-the-art for semantic image segmentation tasks. However, training these networks requires access to densely labeled images, which are known to be very expensive to obtain. On the other…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Gaurav Pandey , Ambedkar Dukkipati

Detecting Out-of-Domain (OOD) or unknown intents from user queries is essential in a task-oriented dialog system. A key challenge of OOD detection is to learn discriminative semantic features. Traditional cross-entropy loss only focuses on…

Computation and Language · Computer Science 2021-06-01 Zhiyuan Zeng , Keqing He , Yuanmeng Yan , Zijun Liu , Yanan Wu , Hong Xu , Huixing Jiang , Weiran Xu

We present a new methodology for handling AI errors by introducing weakly supervised AI error correctors with a priori performance guarantees. These AI correctors are auxiliary maps whose role is to moderate the decisions of some previously…

Weakly supervised nuclei segmentation is a critical problem for pathological image analysis and greatly benefits the community due to the significant reduction of labeling cost. Adopting point annotations, previous methods mostly rely on…

Image and Video Processing · Electrical Eng. & Systems 2022-02-14 Weizhen Liu , Qian He , Xuming He

Weakly supervised semantic segmentation (WSSS), which aims to mine the object regions by merely using class-level labels, is a challenging task in computer vision. The current state-of-the-art CNN-based methods usually adopt…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Dongjian Huo , Yukun Su , Qingyao Wu

Recent segmentation methods, such as OCR and CPNet, utilizing "class level" information in addition to pixel features, have achieved notable success for boosting the accuracy of existing network modules. However, the extracted class-level…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Ye Huang , Di Kang , Liang Chen , Xuefei Zhe , Wenjing Jia , Xiangjian He , Linchao Bao

Weakly supervised semantic segmentation has attracted much research interest in recent years considering its advantage of low labeling cost. Most of the advanced algorithms follow the design principle that expands and constrains the seed…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

Out-of-context misinformation (OOC) is a low-cost form of misinformation in news reports, which refers to place authentic images into out-of-context or fabricated image-text pairings. This problem has attracted significant attention from…

Machine Learning · Computer Science 2025-11-18 Xi Yang , Han Zhang , Zhijian Lin , Yibiao Hu , Hong Han