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Data augmentation (DA) has played a pivotal role in the success of deep speaker recognition. Current DA techniques primarily focus on speaker-preserving augmentation, which does not change the speaker trait of the speech and does not create…

声音 · 计算机科学 2024-06-12 Zhenyu Zhou , Shibiao Xu , Shi Yin , Lantian Li , Dong Wang

Scaling laws dictate that the performance of AI models is proportional to the amount of available data. Data augmentation is a promising solution to expanding the dataset size. Traditional approaches focused on augmentation using rotation,…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Fazle Rahat , M Shifat Hossain , Md Rubel Ahmed , Sumit Kumar Jha , Rickard Ewetz

Data augmentation involves generating synthetic samples that resemble those in a given dataset. In resource-limited fields where high-quality data is scarce, augmentation plays a crucial role in increasing the volume of training data. This…

计算与语言 · 计算机科学 2024-12-30 Md. Tariquzzaman , Audwit Nafi Anam , Naimul Haque , Mohsinul Kabir , Hasan Mahmud , Md Kamrul Hasan

Data augmentation is a widely adopted technique utilized to improve the robustness of automatic speech recognition (ASR). Employing a fixed data augmentation strategy for all training data is a common practice. However, it is important to…

声音 · 计算机科学 2024-12-03 Hongxuan Lu , Biao Li

Despite the success of integrating large language models into the development of conversational systems, many studies have shown the effectiveness of retrieving and augmenting external knowledge for informative responses. Hence, many…

计算与语言 · 计算机科学 2024-08-01 Xi Wang , Procheta Sen , Ruizhe Li , Emine Yilmaz

Data augmentation using generative models has emerged as a powerful paradigm for enhancing performance in computer vision tasks. However, most existing augmentation approaches primarily focus on optimizing intrinsic data attributes -- such…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Jiyu Guo , Shuo Yang , Yiming Huang , Yancheng Long , Xiaobo Xia , Xiu Su , Bo Zhao , Zeke Xie , Liqiang Nie

Training generative adversarial networks (GANs) with limited data is challenging because the discriminator is prone to overfitting. Previously proposed differentiable augmentation demonstrates improved data efficiency of training GANs.…

机器学习 · 计算机科学 2023-12-29 Liang Hou , Qi Cao , Yige Yuan , Songtao Zhao , Chongyang Ma , Siyuan Pan , Pengfei Wan , Zhongyuan Wang , Huawei Shen , Xueqi Cheng

Data Augmentation (DA) is frequently used to provide additional training data without extra human annotation automatically. However, data augmentation may introduce noisy data that impairs training. To guarantee the quality of augmented…

计算与语言 · 计算机科学 2024-02-01 Tianqing Fang , Wenxuan Zhou , Fangyu Liu , Hongming Zhang , Yangqiu Song , Muhao Chen

A major bottleneck for building statistical spoken dialogue systems for new domains and applications is the need for large amounts of training data. To address this problem, we adopt the multi-dimensional approach to dialogue management and…

计算与语言 · 计算机科学 2022-04-15 Simon Keizer , Norbert Braunschweiler , Svetlana Stoyanchev , Rama Doddipatla

Deep learning-based text classification models need abundant labeled data to obtain competitive performance. Unfortunately, annotating large-size corpus is time-consuming and laborious. To tackle this, multiple researches try to use data…

计算与语言 · 计算机科学 2023-02-03 Xiaotian Lin , Nankai Lin , Yingwen Fu , Ziyu Yang , Shengyi Jiang

Personalized dialogue generation, focusing on generating highly tailored responses by leveraging persona profiles and dialogue context, has gained significant attention in conversational AI applications. However, persona profiles, a…

计算与语言 · 计算机科学 2024-06-28 Qiushi Huang , Shuai Fu , Xubo Liu , Wenwu Wang , Tom Ko , Yu Zhang , Lilian Tang

Recently, utilizing deep neural networks to build the opendomain dialogue models has become a hot topic. However, the responses generated by these models suffer from many problems such as responses not being contextualized and tend to…

计算与语言 · 计算机科学 2023-09-07 Mengjuan Liu , Chenyang Liu , Yunfan Yang , Jiang Liu , Mohan Jing

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

计算与语言 · 计算机科学 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

Scarcity of training data for task-oriented dialogue systems is a well known problem that is usually tackled with costly and time-consuming manual data annotation. An alternative solution is to rely on automatic text generation which,…

计算与语言 · 计算机科学 2019-11-12 Stéphane d'Ascoli , Alice Coucke , Francesco Caltagirone , Alexandre Caulier , Marc Lelarge

Neural dialog state trackers are generally limited due to the lack of quantity and diversity of annotated training data. In this paper, we address this difficulty by proposing a reinforcement learning (RL) based framework for data…

计算与语言 · 计算机科学 2019-11-19 Yichun Yin , Lifeng Shang , Xin Jiang , Xiao Chen , Qun Liu

Data augmentation is vital to the generalization ability and robustness of deep neural networks (DNNs) models. Existing augmentation methods for speaker verification manipulate the raw signal, which are time-consuming and the augmented…

音频与语音处理 · 电气工程与系统科学 2023-10-19 Yuanyuan Wang , Yang Zhang , Zhiyong Wu , Zhihan Yang , Tao Wei , Kun Zou , Helen Meng

End-to-end speech-to-speech (S2S) dialogue systems have recently garnered increasing research attention for their lower latency and more natural integration of nonverbal cues such as emotion and speaker identity. However, these systems face…

计算与语言 · 计算机科学 2025-11-12 Pengchao Feng , Ziyang Ma , Wenxi Chen , Yao Li , Sheng Wang , Kai Yu , Xie Chen

Dialogue engines that incorporate different types of agents to converse with humans are popular. However, conversations are dynamic in the sense that a selected response will change the conversation on-the-fly, influencing the subsequent…

计算与语言 · 计算机科学 2020-05-08 Asir Saeed , Khai Mai , Pham Minh , Nguyen Tuan Duc , Danushka Bollegala

Nowadays, neural vocoders can generate very high-fidelity speech when a bunch of training data is available. Although a speaker-dependent (SD) vocoder usually outperforms a speaker-independent (SI) vocoder, it is impractical to collect a…

音频与语音处理 · 电气工程与系统科学 2021-06-11 Yi-Chiao Wu , Cheng-Hung Hu , Hung-Shin Lee , Yu-Huai Peng , Wen-Chin Huang , Yu Tsao , Hsin-Min Wang , Tomoki Toda

Self-supervised learning (SSL) has potential for effective representation learning in medical imaging, but the choice of data augmentation is critical and domain-specific. It remains uncertain if general augmentation policies suit surgical…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Yuning Zhou , Henry Badgery , Matthew Read , James Bailey , Catherine E. Davey