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Recently, End-to-End (E2E) frameworks have achieved remarkable results on various Automatic Speech Recognition (ASR) tasks. However, Lattice-Free Maximum Mutual Information (LF-MMI), as one of the discriminative training criteria that show…

人工智能 · 计算机科学 2022-01-03 Jinchuan Tian , Jianwei Yu , Chao Weng , Shi-Xiong Zhang , Dan Su , Dong Yu , Yuexian Zou

Unsupervised neural machine translation(NMT) is associated with noise and errors in synthetic data when executing vanilla back-translations. Here, we explicitly exploits language model(LM) to drive construction of an unsupervised NMT…

计算与语言 · 计算机科学 2019-11-12 Wei Zhang , Youyuan Lin , Ruoran Ren , Xiaodong Wang , Zhenshuang Liang , Zhen Huang

The performance of machine learning algorithms is known to be negatively affected by possible mismatches between training (source) and test (target) data distributions. In fact, this problem emerges whenever an acoustic scene classification…

音频与语音处理 · 电气工程与系统科学 2020-05-04 Alessandro Ilic Mezza , Emanuël A. P. Habets , Meinard Müller , Augusto Sarti

The requiring of large amounts of annotated training data has become a common constraint on various deep learning systems. In this paper, we propose a weakly supervised scene text detection method (WeText) that trains robust and accurate…

计算机视觉与模式识别 · 计算机科学 2017-10-16 Shangxuan Tian , Shijian Lu , Chongshou Li

For training a few-shot keyword spotting (FS-KWS) model, a large labeled dataset containing massive target keywords has known to be essential to generalize to arbitrary target keywords with only a few enrollment samples. To alleviate the…

音频与语音处理 · 电气工程与系统科学 2022-10-10 Dongjune Lee , Minchan Kim , Sung Hwan Mun , Min Hyun Han , Nam Soo Kim

We address for the first time unsupervised training for a translation task with hundreds of thousands of vocabulary words. We scale up the expectation-maximization (EM) algorithm to learn a large translation table without any parallel text…

计算与语言 · 计算机科学 2019-01-08 Yunsu Kim , Julian Schamper , Hermann Ney

Building Automatic Speech Recognition (ASR) systems from scratch is significantly challenging, mostly due to the time-consuming and financially-expensive process of annotating a large amount of audio data with transcripts. Although several…

音频与语音处理 · 电气工程与系统科学 2020-09-22 Mengli Cheng , Chengyu Wang , Xu Hu , Jun Huang , Xiaobo Wang

The use of unsupervised data in addition to supervised data in training discriminative neural networks has improved the performance of this clas- sification scheme. However, the best results were achieved with a training process that is…

神经与进化计算 · 计算机科学 2018-04-30 Juan Maroñas Molano , Alberto Albiol Colomer , Roberto Paredes Palacios

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

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

Semi-supervised learning is a setting in which one has labeled and unlabeled data available. In this survey we explore different types of theoretical results when one uses unlabeled data in classification and regression tasks. Most methods…

机器学习 · 计算机科学 2020-07-31 Alexander Mey , Marco Loog

In speech recognition, it is essential to model the phonetic content of the input signal while discarding irrelevant factors such as speaker variations and noise, which is challenging in low-resource settings. Self-supervised pre-training…

计算与语言 · 计算机科学 2023-01-04 Sreepratha Ram , Hanan Aldarmaki

Currently, machine learning techniques have seen significant success across various applications. Most of these techniques rely on supervision from human-generated labels or a mixture of noisy and imprecise labels from multiple sources.…

计算与语言 · 计算机科学 2024-09-04 Yanbo Wang , Wenyu Chen , Shimin Shan

Semi-supervised techniques have removed the barriers of large scale labelled set by exploiting unlabelled data to improve the performance of a model. In this paper, we propose a semi-supervised deep multi-task classification and…

计算机视觉与模式识别 · 计算机科学 2020-08-12 R. M. Saad Bashir , Talha Qaiser , Shan E Ahmed Raza , Nasir M. Rajpoot

In this work, we introduce metric learning (ML) to enhance the deep embedding learning for text-independent speaker verification (SV). Specifically, the deep speaker embedding network is trained with conventional cross entropy loss and…

音频与语音处理 · 电气工程与系统科学 2023-03-24 Yafeng Chen , Wu Guo , Jingjing Shi , Jiajun Qi , Tan Liu

Masked language modeling (MLM) plays a key role in pretraining large language models. But the MLM objective is often dominated by high-frequency words that are sub-optimal for learning factual knowledge. In this work, we propose an approach…

计算与语言 · 计算机科学 2023-04-05 Nafis Sadeq , Byungkyu Kang , Prarit Lamba , Julian McAuley

In this work, we explore a multimodal semi-supervised learning approach for punctuation prediction by learning representations from large amounts of unlabelled audio and text data. Conventional approaches in speech processing typically use…

音频与语音处理 · 电气工程与系统科学 2020-08-04 Monica Sunkara , Srikanth Ronanki , Dhanush Bekal , Sravan Bodapati , Katrin Kirchhoff

Unsupervised speech recognition is a task of training a speech recognition model with unpaired data. To determine when and how unsupervised speech recognition can succeed, and how classification error relates to candidate training…

声音 · 计算机科学 2026-03-04 Zijian Yang , Jörg Barkoczi , Ralf Schlüter , Hermann Ney

In automatic speech recognition (ASR) research, discriminative criteria have achieved superior performance in DNN-HMM systems. Given this success, the adoption of discriminative criteria is promising to boost the performance of end-to-end…

计算与语言 · 计算机科学 2022-08-24 Jinchuan Tian , Jianwei Yu , Chao Weng , Yuexian Zou , Dong Yu

Speaker profiling, which aims to estimate speaker characteristics such as age and height, has a wide range of applications inforensics, recommendation systems, etc. In this work, we propose a semisupervised learning approach to mitigate the…

音频与语音处理 · 电气工程与系统科学 2021-10-27 Shangeth Rajaa , Pham Van Tung , Chng Eng Siong