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Weakly Supervised Sound Event Detection (WSSED), which relies on audio tags without precise onset and offset times, has become prevalent due to the scarcity of strongly labeled data that includes exact temporal boundaries for events. This…

音频与语音处理 · 电气工程与系统科学 2025-01-08 Yuliang Zhang , Defeng , Huang , Roberto Togneri

We describe a novel weakly labeled Audio Event Classification approach based on a self-supervised attention model. The weakly labeled framework is used to eliminate the need for expensive data labeling procedure and self-supervised…

音频与语音处理 · 电气工程与系统科学 2019-08-09 Bongjun Kim , Shabnam Ghaffarzadegan

We address the task of weakly-supervised few-shot image classification and segmentation, by leveraging a Vision Transformer (ViT) pretrained with self-supervision. Our proposed method takes token representations from the self-supervised ViT…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Dahyun Kang , Piotr Koniusz , Minsu Cho , Naila Murray

Current weakly supervised object localization and segmentation rely on class-discriminative visualization techniques to generate pseudo-labels for pixel-level training. Such visualization methods, including class activation mapping (CAM)…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Xiangwei Shi , Seyran Khademi , Yunqiang Li , Jan van Gemert

In industrial settings, weakly supervised (WS) methods are usually preferred over their fully supervised (FS) counterparts as they do not require costly manual annotations. Unfortunately, the segmentation masks obtained in the WS regime are…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Andrea Marelli , Luca Magri , Federica Arrigoni , Giacomo Boracchi

Weakly-supervised temporal action localization is a very challenging problem because frame-wise labels are not given in the training stage while the only hint is video-level labels: whether each video contains action frames of interest.…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Pilhyeon Lee , Youngjung Uh , Hyeran Byun

Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS)…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kunhao Yuan , Gerald Schaefer , Yu-Kun Lai , Yifan Wang , Xiyao Liu , Lin Guan , Hui Fang

As a computer vision task, automatic object segmentation remains challenging in specialized image domains without massive labeled data, such as synthetic aperture sonar images, remote sensing, biomedical imaging, etc. In any domain,…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Hassan Baker , Matthew S. Emigh , Austin J. Brockmeier

Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

Class activation maps are widely used for explaining deep neural networks. Due to its ability to highlight regions of interest, it has evolved in recent years as a key step in weakly supervised learning. A major limitation to the…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Hang-Cheng Dong , Yuhao Jiang , Yingyan Huang , Jingxiao Liao , Bingguo Liu , Dong Ye , Guodong Liu

Acquiring sufficient ground-truth supervision to train deep visual models has been a bottleneck over the years due to the data-hungry nature of deep learning. This is exacerbated in some structured prediction tasks, such as semantic…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Xueyi Li , Tianfei Zhou , Jianwu Li , Yi Zhou , Zhaoxiang Zhang

Weakly supervised semantic segmentation (WSSS) approaches typically rely on class activation maps (CAMs) for initial seed generation, which often fail to capture global context due to limited supervision from image-level labels. To address…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Soojin Jang , Jungmin Yun , Junehyoung Kwon , Eunju Lee , Youngbin Kim

Weakly-supervised semantic segmentation (WSSS) using image-level labels has recently attracted much attention for reducing annotation costs. Existing WSSS methods utilize localization maps from the classification network to generate pseudo…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Beomyoung Kim , Sangeun Han , Junmo Kim

Surface defect detection plays a critical role in industrial quality inspection. Recent advances in artificial intelligence have significantly enhanced the automation level of detection processes. However, conventional semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Hang-Cheng Dong , Lu Zou , Bingguo Liu , Dong Ye , Guodong Liu

Node classification in real world graphs often suffers from label scarcity and noise, especially in high stakes domains like human trafficking detection and misinformation monitoring. While direct supervision is limited, such graphs…

机器学习 · 计算机科学 2025-06-04 Pratheeksha Nair , Reihaneh Rabbany

Semantic segmentation tasks based on weakly supervised condition have been put forward to achieve a lightweight labeling process. For simple images that only include a few categories, researches based on image-level annotations have…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Xi Li , Huimin Ma , Sheng Yi , Yanxian Chen

\begin{abstract} Learning-based methods suffer from a deficiency of clean annotations, especially in biomedical segmentation. Although many semi-supervised methods have been proposed to provide extra training data, automatically generated…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Shaobo Min , Xuejin Chen , Zheng-Jun Zha , Feng Wu , Yongdong Zhang

Recent progress in speech recognition has relied on models trained on vast amounts of labeled data. However, classroom Automatic Speech Recognition (ASR) faces the real-world challenge of abundant weak transcripts paired with only a small…

音频与语音处理 · 电气工程与系统科学 2026-02-24 Ahmed Adel Attia , Dorottya Demszky , Jing Liu , Carol Espy-Wilson

Event cameras excel in capturing high-contrast scenes and dynamic objects, offering a significant advantage over traditional frame-based cameras. Despite active research into leveraging event cameras for semantic segmentation, generating…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Hoonhee Cho , Sung-Hoon Yoon , Hyeokjun Kweon , Kuk-Jin Yoon

We consider weakly supervised segmentation where only a fraction of pixels have ground truth labels (scribbles) and focus on a self-labeling approach optimizing relaxations of the standard unsupervised CRF/Potts loss on unlabeled pixels.…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Zhongwen Zhang , Yuri Boykov