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相关论文: Contrastive Semi-supervised Learning for ASR

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Active Learning (AL) and Semi-supervised Learning are two techniques that have been studied to reduce the high cost of deep learning by using a small amount of labeled data and a large amount of unlabeled data. To improve the accuracy of…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Jaeseung Lim , Jongkeun Na , Nojun Kwak

Contrastive learning (CL) has recently emerged as an alternative to traditional supervised machine learning solutions by enabling rich representations from unstructured and unlabeled data. However, CL and, more broadly, self-supervised…

机器学习 · 计算机科学 2025-07-10 Roberto Pereira , Fernanda Famá , Asal Rangrazi , Marco Miozzo , Charalampos Kalalas , Paolo Dini

Self-supervised learning (SSL) has shown promise in learning representations of audio that are useful for automatic speech recognition (ASR). But, training SSL models like wav2vec~2.0 requires a two-stage pipeline. In this paper we…

计算与语言 · 计算机科学 2021-02-16 Chaitanya Talnikar , Tatiana Likhomanenko , Ronan Collobert , Gabriel Synnaeve

Semi-supervised learning has been well developed to help reduce the cost of manual labelling by exploiting a large quantity of unlabelled data. Especially in the application of land cover classification, pixel-level manual labelling in…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Wanli Ma , Oktay Karakus , Paul L. Rosin

This paper looks at semi-supervised learning (SSL) for image-based text recognition. One of the most popular SSL approaches is pseudo-labeling (PL). PL approaches assign labels to unlabeled data before re-training the model with a…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Gaurav Patel , Jan Allebach , Qiang Qiu

While significant advances exist in pseudo-label generation for semi-supervised semantic segmentation, pseudo-label selection remains understudied. Existing methods typically use fixed confidence thresholds to retain high-confidence…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Pan Liu , Jinshi Liu

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)…

音频与语音处理 · 电气工程与系统科学 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

We study pseudo-labeling for the semi-supervised training of ResNet, Time-Depth Separable ConvNets, and Transformers for speech recognition, with either CTC or Seq2Seq loss functions. We perform experiments on the standard LibriSpeech…

This paper presents InterMPL, a semi-supervised learning method of end-to-end automatic speech recognition (ASR) that performs pseudo-labeling (PL) with intermediate supervision. Momentum PL (MPL) trains a connectionist temporal…

音频与语音处理 · 电气工程与系统科学 2023-03-20 Yosuke Higuchi , Tetsuji Ogawa , Tetsunori Kobayashi , Shinji Watanabe

Localizing keypoints of an object is a basic visual problem. However, supervised learning of a keypoint localization network often requires a large amount of data, which is expensive and time-consuming to obtain. To remedy this, there is an…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Can Wang , Sheng Jin , Yingda Guan , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang

Semi-supervised action recognition is a challenging but important task due to the high cost of data annotation. A common approach to this problem is to assign unlabeled data with pseudo-labels, which are then used as additional supervision…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yinghao Xu , Fangyun Wei , Xiao Sun , Ceyuan Yang , Yujun Shen , Bo Dai , Bolei Zhou , Stephen Lin

Recent advancements in Deep and Self-Supervised Learning (SSL) have led to substantial improvements in Speech Emotion Recognition (SER) performance, reaching unprecedented levels. However, obtaining sufficient amounts of accurately labeled…

计算与语言 · 计算机科学 2025-02-25 Bulat Khaertdinov , Pedro Jeuris , Annanda Sousa , Enrique Hortal

In Self-Supervised Learning (SSL), various pretext tasks are designed for learning feature representations through contrastive loss. However, previous studies have shown that this loss is less tolerant to semantically similar samples due to…

音频与语音处理 · 电气工程与系统科学 2023-03-07 Shanshan Wang , Soumya Tripathy , Annamaria Mesaros

3D Referring Expression Segmentation (3D-RES) typically requires extensive instance-level annotations, which are time-consuming and costly. Semi-supervised learning (SSL) mitigates this by using limited labeled data alongside abundant…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Wenxin Chen , Mengxue Qu , Weitai Kang , Yan Yan , Yao Zhao , Yunchao Wei

In this paper we revisit the idea of pseudo-labeling in the context of semi-supervised learning where a learning algorithm has access to a small set of labeled samples and a large set of unlabeled samples. Pseudo-labeling works by applying…

机器学习 · 计算机科学 2020-12-11 Paola Cascante-Bonilla , Fuwen Tan , Yanjun Qi , Vicente Ordonez

Recent work has shown that it is possible to train an $\textit{unsupervised}$ automatic speech recognition (ASR) system using only unpaired audio and text. Existing unsupervised ASR methods assume that no labeled data can be used for…

音频与语音处理 · 电气工程与系统科学 2024-02-19 Tatiana Likhomanenko , Loren Lugosch , Ronan Collobert

Pseudo Labeling is a technique used to improve the performance of semi-supervised Graph Neural Networks (GNNs) by generating additional pseudo-labels based on confident predictions. However, the quality of generated pseudo-labels has been a…

机器学习 · 计算机科学 2023-12-20 Weigang Lu , Ziyu Guan , Wei Zhao , Yaming Yang , Yuanhai Lv , Lining Xing , Baosheng Yu , Dacheng Tao

Contrastive self-supervised learning (CSL) is an approach to learn useful representations by solving a pretext task that selects and compares anchor, negative and positive (APN) features from an unlabeled dataset. We present a conceptual…

计算机视觉与模式识别 · 计算机科学 2020-09-02 William Falcon , Kyunghyun Cho

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

In recent years, semi-supervised learning (SSL) has shown tremendous success in leveraging unlabeled data to improve the performance of deep learning models, which significantly reduces the demand for large amounts of labeled data. Many SSL…

机器学习 · 计算机科学 2020-06-02 Song-Bo Yang , Tian-li Yu