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We propose the application of a semi-supervised learning method to improve the performance of acoustic modelling for automatic speech recognition based on deep neural net- works. As opposed to unsupervised initialisation followed by…

机器学习 · 统计学 2016-10-04 Akash Kumar Dhaka , Giampiero Salvi

In the recent trend of semi-supervised speech recognition, both self-supervised representation learning and pseudo-labeling have shown promising results. In this paper, we propose a novel approach to combine their ideas for end-to-end…

音频与语音处理 · 电气工程与系统科学 2021-10-11 Shaoshi Ling , Chen Shen , Meng Cai , Zejun Ma

Semi-supervised anomaly detection, which aims to improve the anomaly detection performance by using a small amount of labeled anomaly data in addition to unlabeled data, has attracted attention. Existing semi-supervised approaches assume…

机器学习 · 统计学 2025-02-11 Hiroshi Takahashi , Tomoharu Iwata , Atsutoshi Kumagai , Yuuki Yamanaka

Recent studies have shown that the benefits provided by self-supervised pre-training and self-training (pseudo-labeling) are complementary. Semi-supervised fine-tuning strategies under the pre-training framework, however, remain…

声音 · 计算机科学 2022-06-28 Bowen Zhang , Songjun Cao , Xiaoming Zhang , Yike Zhang , Long Ma , Takahiro Shinozaki

Semi-supervised segmentation tackles the scarcity of annotations by leveraging unlabeled data with a small amount of labeled data. A prominent way to utilize the unlabeled data is by consistency training which commonly uses a…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Sukesh Adiga , Jose Dolz , Herve Lombaert

Face recognition performance has seen a tremendous gain in recent years, mostly due to the availability of large-scale face images dataset that can be exploited by deep neural networks to learn powerful face representations. However, recent…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Haoyu Qin

Compared to supervised learning, semi-supervised learning reduces the dependence of deep learning on a large number of labeled samples. In this work, we use a small number of labeled samples and perform data augmentation on unlabeled…

机器学习 · 计算机科学 2020-01-14 Qiuyu Zhu , Tiantian Li

We present a novel data-efficient semi-supervised framework to improve the generalization of image captioning models. Constructing a large-scale labeled image captioning dataset is an expensive task in terms of labor, time, and cost. In…

计算机视觉与模式识别 · 计算机科学 2023-01-27 Dong-Jin Kim , Tae-Hyun Oh , Jinsoo Choi , In So Kweon

Affective Behavior Analysis is an important part in human-computer interaction. Existing multi-task affective behavior recognition methods suffer from the problem of incomplete labeled datasets. To tackle this problem, this paper presents a…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Lingfeng Wang , Shisen Wang , Jin Qi , Kenji Suzuki

Semi-supervised learning (SSL) provides a powerful framework for leveraging unlabeled data when labels are limited or expensive to obtain. SSL algorithms based on deep neural networks have recently proven successful on standard benchmark…

机器学习 · 计算机科学 2019-05-28 Jiaxing Wang , Yin Zheng , Xiaoshuang Chen , Junzhou Huang , Jian Cheng

Medical image segmentation is a fundamental and critical step in many clinical approaches. Semi-supervised learning has been widely applied to medical image segmentation tasks since it alleviates the heavy burden of acquiring…

图像与视频处理 · 电气工程与系统科学 2022-08-29 Yichi Zhang , Rushi Jiao , Qingcheng Liao , Dongyang Li , Jicong Zhang

Semi-supervised medical image segmentation has gained growing interest due to its ability to utilize unannotated data. The current state-of-the-art methods mostly rely on pseudo-labeling within a co-training framework. These methods depend…

图像与视频处理 · 电气工程与系统科学 2024-05-14 Suruchi Kumari , Pravendra Singh

Facial expression plays an important role in understanding human emotions. Most recently, deep learning based methods have shown promising for facial expression recognition. However, the performance of the current state-of-the-art facial…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Ping Liu , Yunchao Wei , Zibo Meng , Weihong Deng , Joey Tianyi Zhou , Yi Yang

We propose UnMixMatch, a semi-supervised learning framework which can learn effective representations from unconstrained unlabelled data in order to scale up performance. Most existing semi-supervised methods rely on the assumption that…

机器学习 · 计算机科学 2024-01-17 Shuvendu Roy , Ali Etemad

Deep learning has played a significant role in the success of facial expression recognition (FER), thanks to large models and vast amounts of labelled data. However, obtaining labelled data requires a tremendous amount of human effort,…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Shuvendu Roy , Ali Etemad

Semi-supervised learning lately has shown much promise in improving deep learning models when labeled data is scarce. Common among recent approaches is the use of consistency training on a large amount of unlabeled data to constrain model…

机器学习 · 计算机科学 2020-11-06 Qizhe Xie , Zihang Dai , Eduard Hovy , Minh-Thang Luong , Quoc V. Le

Automatically understanding emotions from visual data is a fundamental task for human behaviour understanding. While models devised for Facial Expression Recognition (FER) have demonstrated excellent performances on many datasets, they…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Alessandro Conti , Paolo Rota , Yiming Wang , Elisa Ricci

Over the past years, the main research innovations in face recognition focused on training deep neural networks on large-scale identity-labeled datasets using variations of multi-class classification losses. However, many of these datasets…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Fadi Boutros , Marcel Klemt , Meiling Fang , Arjan Kuijper , Naser Damer

Semi-supervised deep facial expression recognition (SS-DFER) has gained increasingly research interest due to the difficulty in accessing sufficient labeled data in practical settings. However, existing SS-DFER methods mainly utilize…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Sixian Ding , Xu Jiang , Zhongjing Du , Jiaqi Cui , Xinyi Zeng , Yan Wang

Many recent loss functions in deep metric learning are expressed with logarithmic and exponential forms, and they involve margin and scale as essential hyper-parameters. Since each data class has an intrinsic characteristic, several…

音频与语音处理 · 电气工程与系统科学 2023-05-24 Myunghun Jung , Hoirin Kim