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This paper focuses on the weakly-supervised audio-visual video parsing task, which aims to recognize all events belonging to each modality and localize their temporal boundaries. This task is challenging because only overall labels…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Haoyue Cheng , Zhaoyang Liu , Hang Zhou , Chen Qian , Wayne Wu , Limin Wang

Multiple-instance learning is a subset of weakly supervised learning where labels are applied to sets of instances rather than the instances themselves. Under the standard assumption, a set is positive only there is if at least one instance…

Machine Learning · Computer Science 2021-05-05 Daniel Grahn

Based on the framework of multiple instance learning (MIL), tremendous works have promoted the advances of weakly supervised object detection (WSOD). However, most MIL-based methods tend to localize instances to their discriminative parts…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Ze Chen , Zhihang Fu , Rongxin Jiang , Yaowu Chen , Xian-sheng Hua

Significant performance improvement has been achieved for fully-supervised video salient object detection with the pixel-wise labeled training datasets, which are time-consuming and expensive to obtain. To relieve the burden of data…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Wangbo Zhao , Jing Zhang , Long Li , Nick Barnes , Nian Liu , Junwei Han

Audio Event Detection is an important task for content analysis of multimedia data. Most of the current works on detection of audio events is driven through supervised learning approaches. We propose a weakly supervised learning framework…

Sound · Computer Science 2016-06-14 Anurag Kumar , Bhiksha Raj

Semi-supervised instance segmentation poses challenges due to limited labeled data, causing difficulties in accurately localizing distinct object instances. Current teacher-student frameworks still suffer from performance constraints due to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Heeji Yoon , Heeseong Shin , Eunbeen Hong , Hyunwook Choi , Hansang Cho , Daun Jeong , Seungryong Kim

Temporal localization remains an important challenge in video understanding. In this work, we present our solution to the 3rd YouTube-8M Video Understanding Challenge organized by Google Research. Participants were required to build a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Lijun Zhang , Srinath Nizampatnam , Ahana Gangopadhyay , Marcos V. Conde

Weakly supervised temporal action localization aims to detect and localize actions in untrimmed videos with only video-level labels during training. However, without frame-level annotations, it is challenging to achieve localization…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Wang Luo , Tianzhu Zhang , Wenfei Yang , Jingen Liu , Tao Mei , Feng Wu , Yongdong Zhang

Action recognition has become a rapidly developing research field within the last decade. But with the increasing demand for large scale data, the need of hand annotated data for the training becomes more and more impractical. One way to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Hilde Kuehne , Alexander Richard , Juergen Gall

As machine learning models continue to increase in complexity, collecting large hand-labeled training sets has become one of the biggest roadblocks in practice. Instead, weaker forms of supervision that provide noisier but cheaper labels…

Machine Learning · Statistics 2018-12-10 Alexander Ratner , Braden Hancock , Jared Dunnmon , Frederic Sala , Shreyash Pandey , Christopher Ré

We consider the task of learning a classifier for semantic segmentation using weak supervision in the form of image labels which specify the object classes present in the image. Our method uses deep convolutional neural networks (CNNs) and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Qinbin Hou , Puneet Kumar Dokania , Daniela Massiceti , Yunchao Wei , Ming-Ming Cheng , Philip Torr

Deep learning-based image manipulation localization (IML) methods have achieved remarkable performance in recent years, but typically rely on large-scale pixel-level annotated datasets. To address the challenge of acquiring high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Songlin Li , Guofeng Yu , Zhiqing Guo , Yunfeng Diao , Dan Ma , Gaobo Yang

A significant proportion of clinical physiologic monitoring alarms are false. This often leads to alarm fatigue in clinical personnel, inevitably compromising patient safety. To combat this issue, researchers have attempted to build Machine…

Machine Learning · Computer Science 2022-06-22 Arnab Dey , Mononito Goswami , Joo Heung Yoon , Gilles Clermont , Michael Pinsky , Marilyn Hravnak , Artur Dubrawski

Self-supervised vision transformers can generate accurate localization maps of the objects in an image. However, since they decompose the scene into multiple maps containing various objects, and they do not rely on any explicit supervisory…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

We address the problem of localisation of objects as bounding boxes in images and videos with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class…

Computer Vision and Pattern Recognition · Computer Science 2017-06-20 Zhiyuan Shi , Timothy M. Hospedales , Tao Xiang

Weakly-supervised action segmentation is a task of learning to partition a long video into several action segments, where training videos are only accompanied by transcripts (ordered list of actions). Most of existing methods need to infer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Angchi Xu , Wei-Shi Zheng

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng

Since the labelling for the positive images/videos is ambiguous in weakly supervised segment annotation, negative mining based methods that only use the intra-class information emerge. In these methods, negative instances are utilized to…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Liantao Wang , Qingwu Li , Jianfeng Lu

In multiple instance multiple label learning, each sample, a bag, consists of multiple instances. To alleviate labeling complexity, each sample is associated with a set of bag-level labels leaving instances within the bag unlabeled. This…

Machine Learning · Computer Science 2021-07-28 Tam Nguyen , Raviv Raich

Weakly supervised learning has emerged as an appealing alternative to alleviate the need for large labeled datasets in semantic segmentation. Most current approaches exploit class activation maps (CAMs), which can be generated from…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Gaurav Patel , Jose Dolz