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Weakly supervised learning is a popular approach for training machine learning models in low-resource settings. Instead of requesting high-quality yet costly human annotations, it allows training models with noisy annotations obtained from…

Computation and Language · Computer Science 2023-09-19 Dawei Zhu , Xiaoyu Shen , Marius Mosbach , Andreas Stephan , Dietrich Klakow

With the increasing ageing population, fall events classification has drawn much research attention. In the development of deep learning, the quality of data labels is crucial. Most of the datasets are labelled automatically or…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Leiyu Xie , Yang Sun , Syed Mohsen Naqvi

Learning from noisy data has attracted much attention, where most methods focus on closed-set label noise. However, a more common scenario in the real world is the presence of both open-set and closed-set noise. Existing methods typically…

Machine Learning · Computer Science 2024-02-26 Wenhai Wan , Xinrui Wang , Ming-Kun Xie , Shao-Yuan Li , Sheng-Jun Huang , Songcan Chen

Label noise is emerging as a pressing issue in sound event classification. This arises as we move towards larger datasets that are difficult to annotate manually, but it is even more severe if datasets are collected automatically from…

Sound · Computer Science 2019-10-29 Eduardo Fonseca , Frederic Font , Xavier Serra

Videos are more well-organized curated data sources for visual concept learning than images. Unlike the 2-dimensional images which only involve the spatial information, the additional temporal dimension bridges and synchronizes multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Keren Ye , Adriana Kovashka

Learning with noisy labels has gained the enormous interest in the robust deep learning area. Recent studies have empirically disclosed that utilizing dual networks can enhance the performance of single network but without theoretic proof.…

Machine Learning · Computer Science 2021-08-12 Hao Wu , Jiangchao Yao , Ya Zhang , Yanfeng Wang

The lack of labeled data is a common challenge in speech classification tasks, particularly those requiring extensive subjective assessment, such as cognitive state classification. In this work, we propose a Semi-Supervised Learning (SSL)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

Sound event detection (SED) aims to detect when and recognize what sound events happen in an audio clip. Many supervised SED algorithms rely on strongly labelled data which contains the onset and offset annotations of sound events. However,…

Sound · Computer Science 2019-12-11 Qiuqiang Kong , Yong Xu , Iwona Sobieraj , Wenwu Wang , Mark D. Plumbley

Single-frame Infrared Small Target Detection (ISTD) aims to localize weak targets under heavy background clutter, yet dense pixel-wise annotations are expensive. Point supervision with online label evolution reduces annotation cost;…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yuanhang Yao , Ping Qian , Zhu Liu , Long Ma , Weimin Wang

Deep learning perception models require a massive amount of labeled training data to achieve good performance. While unlabeled data is easy to acquire, the cost of labeling is prohibitive and could create a tremendous burden on companies or…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Xinnan Du , William Zhang , Jose M. Alvarez

Scene text recognition (STR) is a challenging task that requires large-scale annotated data for training. However, collecting and labeling real text images is expensive and time-consuming, which limits the availability of real data.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Mingkun Yang , Biao Yang , Minghui Liao , Yingying Zhu , Xiang Bai

In many real-world scenarios, obtaining large amounts of labeled data can be a daunting task. Weakly supervised learning techniques have gained significant attention in recent years as an alternative to traditional supervised learning, as…

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

We address the problem of efficient acoustic-model refinement (continuous retraining) using semi-supervised and active learning for a low resource Indian language, wherein the low resource constraints are having i) a small labeled corpus…

Computation and Language · Computer Science 2018-10-17 Maharajan Chellapriyadharshini , Anoop Toffy , Srinivasa Raghavan K. M. , V Ramasubramanian

In many applications the process of generating label information is expensive and time consuming. We present a new method that combines active and semi-supervised deep learning to achieve high generalization performance from a deep…

Machine Learning · Computer Science 2018-03-06 Matthias Rottmann , Karsten Kahl , Hanno Gottschalk

Unsupervised meta-learning aims to learn generalizable knowledge across a distribution of tasks constructed from unlabeled data. Here, the main challenge is how to construct diverse tasks for meta-learning without label information; recent…

Machine Learning · Computer Science 2023-03-03 Huiwon Jang , Hankook Lee , Jinwoo Shin

Object detection is an import task of computer vision.A variety of methods have been proposed,but methods using the weak labels still do not have a satisfactory result.In this paper,we propose a new framework that using the weakly…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Ke Yang , Dongsheng Li , Yong Dou , Shaohe Lv , Qiang Wang

In this paper, we present a gated convolutional neural network and a temporal attention-based localization method for audio classification, which won the 1st place in the large-scale weakly supervised sound event detection task of Detection…

Sound · Computer Science 2017-10-03 Yong Xu , Qiuqiang Kong , Wenwu Wang , Mark D. Plumbley

Scale variation across object instances remains a key challenge in object detection task. Despite the remarkable progress made by modern detection models, this challenge is particularly evident in the semi-supervised case. While existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Liang Liu , Boshen Zhang , Jiangning Zhang , Wuhao Zhang , Zhenye Gan , Guanzhong Tian , Wenbing Zhu , Yabiao Wang , Chengjie Wang

In this work we propose approaches to effectively transfer knowledge from weakly labeled web audio data. We first describe a convolutional neural network (CNN) based framework for sound event detection and classification using weakly…

Sound · Computer Science 2018-09-10 Anurag Kumar , Maksim Khadkevich , Christian Fugen