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Data augmentation is a key tool for improving the performance of deep networks, particularly when there is limited labeled data. In some fields, such as computer vision, augmentation methods have been extensively studied; however, for…

音频与语音处理 · 电气工程与系统科学 2024-01-17 Zuzhao Ye , Gregory Ciccarelli , Brian Kulis

A generative adversarial network (GAN)-based vocoder trained with an adversarial discriminator is commonly used for speech synthesis because of its fast, lightweight, and high-quality characteristics. However, this data-driven model…

声音 · 计算机科学 2024-03-26 Takuhiro Kaneko , Hirokazu Kameoka , Kou Tanaka

Data augmentation has become a crucial component to train state-of-the-art visual representation models. However, handcrafting combinations of transformations that lead to improved performances is a laborious task, which can result in…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Pietro Astolfi , Arantxa Casanova , Jakob Verbeek , Pascal Vincent , Adriana Romero-Soriano , Michal Drozdzal

Audio data augmentation is a key step in training deep neural networks for solving audio classification tasks. In this paper, we introduce Audiogmenter, a novel audio data augmentation library in MATLAB. We provide 15 different augmentation…

音频与语音处理 · 电气工程与系统科学 2022-01-04 Gianluca Maguolo , Michelangelo Paci , Loris Nanni , Ludovico Bonan

Universal speech enhancement aims at handling inputs with various speech distortions and recording conditions. In this work, we propose a novel hybrid architecture that synergizes the signal fidelity of discriminative modeling with the…

声音 · 计算机科学 2026-01-28 Yinghao Liu , Chengwei Liu , Xiaotao Liang , Haoyin Yan , Shaofei Xue , Zheng Xue

Audio captioning aims at generating natural language descriptions for audio clips automatically. Existing audio captioning models have shown promising improvement in recent years. However, these models are mostly trained via maximum…

音频与语音处理 · 电气工程与系统科学 2022-03-30 Xinhao Mei , Xubo Liu , Jianyuan Sun , Mark D. Plumbley , Wenwu Wang

The automatic recognition of pathological speech, particularly from children with any articulatory impairment, is a challenging task due to various reasons. The lack of available domain specific data is one such obstacle that hinders its…

音频与语音处理 · 电气工程与系统科学 2021-10-05 Protima Nomo Sudro , Rohan Kumar Das , Rohit Sinha , S. R. Mahadeva Prasanna

Recently deep learning methods, in particular, convolutional neural networks (CNNs), have led to a massive breakthrough in the range of computer vision. Also, the large-scale annotated dataset is the essential key to a successful training…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Chang Qi , Junyang Chen , Guizhi Xu , Zhenghua Xu , Thomas Lukasiewicz , Yang Liu

Speech enhancement is a critical component of many user-oriented audio applications, yet current systems still suffer from distorted and unnatural outputs. While generative models have shown strong potential in speech synthesis, they are…

音频与语音处理 · 电气工程与系统科学 2022-02-11 Yen-Ju Lu , Zhong-Qiu Wang , Shinji Watanabe , Alexander Richard , Cheng Yu , Yu Tsao

Due to the limited availability of medical data, deep learning approaches for medical image analysis tend to generalise poorly to unseen data. Augmenting data during training with random transformations has been shown to help and became a…

图像与视频处理 · 电气工程与系统科学 2022-10-04 Tian Xia , Pedro Sanchez , Chen Qin , Sotirios A. Tsaftaris

In this paper we present ensembles of classifiers for automated animal audio classification, exploiting different data augmentation techniques for training Convolutional Neural Networks (CNNs). The specific animal audio classification…

机器学习 · 计算机科学 2020-03-17 Loris Nanni , Gianluca Maguolo , Michelangelo Paci

Recent neural networks such as WaveNet and sampleRNN that learn directly from speech waveform samples have achieved very high-quality synthetic speech in terms of both naturalness and speaker similarity even in multi-speaker text-to-speech…

音频与语音处理 · 电气工程与系统科学 2018-08-01 Yi Zhao , Shinji Takaki , Hieu-Thi Luong , Junichi Yamagishi , Daisuke Saito , Nobuaki Minematsu

Data limitation is one of the most common issues in training machine learning classifiers for medical applications. Due to ethical concerns and data privacy, the number of people that can be recruited to such experiments is generally…

音频与语音处理 · 电气工程与系统科学 2020-04-14 Bahman Mirheidari , Yilin Pan , Daniel Blackburn , Ronan O'Malley , Traci Walker , Annalena Venneri , Markus Reuber , Heidi Christensen

Audio tagging has attracted increasing attention since last decade and has various potential applications in many fields. The objective of audio tagging is to predict the labels of an audio clip. Recently deep learning methods have been…

声音 · 计算机科学 2018-08-14 Shengyun Wei , Kele Xu , Dezhi Wang , Feifan Liao , Huaimin Wang , Qiuqiang Kong

Novel techniques are indispensable to process the flood of data from the new generation of radio telescopes. In particular, the classification of astronomical sources in images is challenging. Morphological classification of radio galaxies…

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

This work provides a solution to the challenge of small amounts of training data in Non-Destructive Ultrasonic Testing for composite components. It was demonstrated that direct simulation alone is ineffective at producing training data that…

图像与视频处理 · 电气工程与系统科学 2023-11-06 Shaun McKnight , S. Gareth Pierce , Ehsan Mohseni , Christopher MacKinnon , Charles MacLeod , Tom OHare , Charalampos Loukas

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

计算与语言 · 计算机科学 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

Whistle contour extraction aims to derive animal whistles from time-frequency spectrograms as polylines. For toothed whales, whistle extraction results can serve as the basis for analyzing animal abundance, species identity, and social…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Pu Li , Marie Roch , Holger Klinck , Erica Fleishman , Douglas Gillespie , Eva-Marie Nosal , Yu Shiu , Xiaobai Liu

Data augmentation is an inexpensive way to increase training data diversity and is commonly achieved via transformations of existing data. For tasks such as classification, there is a good case for learning representations of the data that…

声音 · 计算机科学 2021-04-20 Turab Iqbal , Karim Helwani , Arvindh Krishnaswamy , Wenwu Wang