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Self-training (ST) and self-supervised learning (SSL) methods have demonstrated strong improvements in automatic speech recognition (ASR). In spite of these advances, to the best of our knowledge, there is no analysis of how the composition…

机器学习 · 计算机科学 2023-03-03 Dan Berrebbi , Ronan Collobert , Navdeep Jaitly , Tatiana Likhomanenko

Given an unlabeled dataset and an annotation budget, we study how to selectively label a fixed number of instances so that semi-supervised learning (SSL) on such a partially labeled dataset is most effective. We focus on selecting the right…

机器学习 · 计算机科学 2023-08-24 Xudong Wang , Long Lian , Stella X. Yu

Self-training via pseudo labeling is a conventional, simple, and popular pipeline to leverage unlabeled data. In this work, we first construct a strong baseline of self-training (namely ST) for semi-supervised semantic segmentation via…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

Semi-supervised learning, i.e. jointly learning from labeled and unlabeled samples, is an active research topic due to its key role on relaxing human supervision. In the context of image classification, recent advances to learn from…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Eric Arazo , Diego Ortego , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Task-oriented semantic communication enhances transmission efficiency by conveying semantic information rather than exact messages. Deep learning (DL)-based semantic communication can effectively cultivate the essential semantic knowledge…

机器学习 · 计算机科学 2025-05-27 Run Gu , Wei Xu , Zhaohui Yang , Dusit Niyato , Aylin Yener

Self-supervised learning is an effective way for label-free model pre-training, especially in the video domain where labeling is expensive. Existing self-supervised works in the video domain use varying experimental setups to demonstrate…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh Singh Rawat

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

Supervised learning methods have shown effectiveness in estimating spatial acoustic parameters such as time difference of arrival, direct-to-reverberant ratio and reverberation time. However, they still suffer from the simulation-to-reality…

声音 · 计算机科学 2024-09-10 Bing Yang , Xiaofei Li

Self-supervised learning (SSL) methods have become a dominant paradigm for creating general purpose models whose capabilities can be transferred to downstream supervised learning tasks. However, most such methods rely on vast amounts of…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Lakshay Sharma , Alex Marin

Improving generalization is a major challenge in audio classification due to labeled data scarcity. Self-supervised learning (SSL) methods tackle this by leveraging unlabeled data to learn useful features for downstream classification…

音频与语音处理 · 电气工程与系统科学 2021-12-22 Melikasadat Emami , Dung Tran , Kazuhito Koishida

The cross-domain performance of automatic speech recognition (ASR) could be severely hampered due to the mismatch between training and testing distributions. Since the target domain usually lacks labeled data, and domain shifts exist at…

音频与语音处理 · 电气工程与系统科学 2023-08-01 Han Zhu , Gaofeng Cheng , Jindong Wang , Wenxin Hou , Pengyuan Zhang , Yonghong Yan

Self-supervised learning (SSL) of graph neural networks is emerging as a promising way of leveraging unlabeled data. Currently, most methods are based on contrastive learning adapted from the image domain, which requires view generation and…

机器学习 · 计算机科学 2022-07-12 Yaochen Xie , Zhao Xu , Shuiwang Ji

We address the challenges of the semi-supervised LiDAR segmentation (SSLS) problem, particularly in low-budget scenarios. The two main issues in low-budget SSLS are the poor-quality pseudo-labels for unlabeled data, and the performance…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Seungho Lee , Hwijeong Lee , Hyunjung Shim

One of the main challenges for end-to-end speech translation is data scarcity. We leverage pseudo-labels generated from unlabeled audio by a cascade and an end-to-end speech translation model. This provides 8.3 and 5.7 BLEU gains over a…

计算与语言 · 计算机科学 2020-10-14 Juan Pino , Qiantong Xu , Xutai Ma , Mohammad Javad Dousti , Yun Tang

Speech fluency/disfluency can be evaluated by analyzing a range of phonetic and prosodic features. Deep neural networks are commonly trained to map fluency-related features into the human scores. However, the effectiveness of deep…

计算与语言 · 计算机科学 2023-05-22 Kaiqi Fu , Shaojun Gao , Shuju Shi , Xiaohai Tian , Wei Li , Zejun Ma

The current success of deep neural networks (DNNs) in an increasingly broad range of tasks involving artificial intelligence strongly depends on the quality and quantity of labeled training data. In general, the scarcity of labeled data,…

计算与语言 · 计算机科学 2018-11-21 Shun Kiyono , Jun Suzuki , Kentaro Inui

The problem of fully supervised classification is that it requires a tremendous amount of annotated data, however, in many datasets a large portion of data is unlabeled. To alleviate this problem semi-supervised learning (SSL) leverages the…

机器学习 · 计算机科学 2022-07-26 Ehsan Kazemi

While semi-supervised learning (SSL) has received tremendous attentions in many machine learning tasks due to its successful use of unlabeled data, existing SSL algorithms use either all unlabeled examples or the unlabeled examples with a…

机器学习 · 计算机科学 2021-09-03 Yi Xu , Lei Shang , Jinxing Ye , Qi Qian , Yu-Feng Li , Baigui Sun , Hao Li , Rong Jin

Recently, discrete tokens derived from self-supervised learning (SSL) models via k-means clustering have been actively studied as pseudo-text in speech language models and as efficient intermediate representations for various tasks.…

声音 · 计算机科学 2025-08-18 Kentaro Onda , Satoru Fukayama , Daisuke Saito , Nobuaki Minematsu

Choosing a meaningful subset of features from high-dimensional observations in unsupervised settings can greatly enhance the accuracy of downstream analysis, such as clustering or dimensionality reduction, and provide valuable insights into…

机器学习 · 计算机科学 2024-12-23 Daniel Segal , Ofir Lindenbaum , Ariel Jaffe