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We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

The Audio-Visual Video Parsing task aims to identify and temporally localize the events that occur in either or both the audio and visual streams of audible videos. It often performs in a weakly-supervised manner, where only video event…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Jinxing Zhou , Dan Guo , Yiran Zhong , Meng Wang

Audio tagging aims to perform multi-label classification on audio chunks and it is a newly proposed task in the Detection and Classification of Acoustic Scenes and Events 2016 (DCASE 2016) challenge. This task encourages research efforts to…

Sound · Computer Science 2017-03-20 Yong Xu , Qiuqiang Kong , Qiang Huang , Wenwu Wang , Mark D. Plumbley

Contrastive learning has shown outstanding performances in both supervised and unsupervised learning, and has recently been introduced to solve weakly supervised learning problems such as semi-supervised learning and noisy label learning.…

Machine Learning · Computer Science 2023-06-08 Jingyi Cui , Weiran Huang , Yifei Wang , Yisen Wang

In this paper we propose a novel learning framework called Supervised and Weakly Supervised Learning where the goal is to learn simultaneously from weakly and strongly labeled data. Strongly labeled data can be simply understood as fully…

Machine Learning · Computer Science 2017-02-21 Anurag Kumar , Bhiksha Raj

Learning with noisy-labels has become an important research topic in computer vision where state-of-the-art (SOTA) methods explore: 1) prediction disagreement with co-teaching strategy that updates two models when they disagree on the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Fengbei Liu , Yuanhong Chen , Chong Wang , Yu Tain , Gustavo Carneiro

Curation of large fully supervised datasets has become one of the major roadblocks for machine learning. Weak supervision provides an alternative to supervised learning by training with cheap, noisy, and possibly correlated labeling…

Machine Learning · Computer Science 2021-06-01 Chidubem Arachie , Bert Huang

A steady momentum of innovations and breakthroughs has convincingly pushed the limits of unsupervised image representation learning. Compared to static 2D images, video has one more dimension (time). The inherent supervision existing in…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 Ting Yao , Yiheng Zhang , Zhaofan Qiu , Yingwei Pan , Tao Mei

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

In open-world semi-supervised learning (OWSSL), a model learns from labeled data and unlabeled data containing both known and novel classes. In practical OWSSL applications, models are expected to perform rigorous classification by directly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Hezhao Liu , Jiacheng Yang , Junlong Gao , Mengke Li , Yiqun Zhang , Shreyank N Gowda , Yang Lu

The design of new methods and models when only weakly-labeled data are available is of paramount importance in order to reduce the costs of manual annotation and the considerable human effort associated with it. In this work, we address…

Sound · Computer Science 2019-04-02 Thomas Pellegrini , Léo Cances

In this paper, we propose a multi-level attention model to solve the weakly labelled audio classification problem. The objective of audio classification is to predict the presence or absence of audio events in an audio clip. Recently,…

Audio and Speech Processing · Electrical Eng. & Systems 2018-03-08 Changsong Yu , Karim Said Barsim , Qiuqiang Kong , Bin Yang

Audio-visual representation learning is an important task from the perspective of designing machines with the ability to understand complex events. To this end, we propose a novel multimodal framework that instantiates multiple instance…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Sanjeel Parekh , Slim Essid , Alexey Ozerov , Ngoc Q. K. Duong , Patrick Pérez , Gaël Richard

Pseudo-label learning methods have been widely applied in weakly-supervised temporal action localization. Existing works directly utilize weakly-supervised base model to generate instance-level pseudo-labels for training the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Quan Zhang , Yuxin Qi , Xi Tang , Rui Yuan , Xi Lin , Ke Zhang , Chun Yuan

Supervised deep learning performance is heavily tied to the availability of high-quality labels for training. Neural networks can gradually overfit corrupted labels if directly trained on noisy datasets, leading to severe performance…

Machine Learning · Computer Science 2021-02-02 Ziyi Huang , Haofeng Zhang , Andrew Laine , Elsa Angelini , Christine Hendon , Yu Gan

Sound event detection is an important facet of audio tagging that aims to identify sounds of interest and define both the sound category and time boundaries for each sound event in a continuous recording. With advances in deep neural…

Sound · Computer Science 2024-12-31 Sangwook Park , David K. Han , Mounya Elhilali

Environment Sound Classification has been a well-studied research problem in the field of signal processing and up till now more focus has been laid on fully supervised approaches. Over the last few years, focus has moved towards…

Weakly supervised learning aims at coping with scarce labeled data. Previous weakly supervised studies typically assume that there is only one kind of weak supervision in data. In many applications, however, raw data usually contains more…

Machine Learning · Computer Science 2020-01-27 Lan-Zhe Guo , Feng Kuang , Zhang-Xun Liu , Yu-Feng Li , Nan Ma , Xiao-Hu Qie

Presently, self-training stands as a prevailing approach in cross-domain semantic segmentation, enhancing model efficacy by training with pixels assigned with reliable pseudo-labels. However, we find two critical limitations in this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Dong Zhao , Ruizhi Yang , Shuang Wang , Qi Zang , Yang Hu , Licheng Jiao , Nicu Sebe , Zhun Zhong

We propose a novel model for temporal detection and localization which allows the training of deep neural networks using only counts of event occurrences as training labels. This powerful weakly-supervised framework alleviates the burden of…

Machine Learning · Computer Science 2019-05-20 Julien Schroeter , Kirill Sidorov , David Marshall