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This paper presents a population synthesis model that utilizes the Wasserstein Generative-Adversarial Network (WGAN) for training on incomplete microsamples. By using a mask matrix to represent missing values, the study proposes a WGAN…

机器学习 · 计算机科学 2025-10-02 Tanay Rastogi , Daniel Jonsson , Anders Karlström

Heart auscultations are a low-cost and effective way of detecting valvular heart diseases early, which can save lives. Nevertheless, it has been difficult to scale this screening method since the effectiveness of auscultations is dependent…

音频与语音处理 · 电气工程与系统科学 2023-09-15 Ansh Mishra , Jia Qi Yip , Eng Siong Chng

Speech enhancement is a task to improve the intelligibility and perceptual quality of degraded speech signal. Recently, neural networks based methods have been applied to speech enhancement. However, many neural network based methods…

声音 · 计算机科学 2021-02-22 Qiuqiang Kong , Haohe Liu , Xingjian Du , Li Chen , Rui Xia , Yuxuan Wang

Many mathematical optimization algorithms fail to sufficiently explore the solution space of high-dimensional nonlinear optimization problems due to the curse of dimensionality. This paper proposes generative models as a complement to…

神经与进化计算 · 计算机科学 2021-05-05 Pouya Rezazadeh Kalehbasti , Michael D. Lepech , Samarpreet Singh Pandher

Neural network based approaches to speech enhancement have shown to be particularly powerful, being able to leverage a data-driven approach to result in a significant performance gain versus other approaches. Such approaches are reliant on…

声音 · 计算机科学 2023-12-15 George Close , William Ravenscroft , Thomas Hain , Stefan Goetze

Electronic nose has been proven to be effective in alternative herbal medicine classification, but due to the nature of supervised learning, previous research heavily relies on the labelled training data, which are time-costly and…

机器学习 · 计算机科学 2021-07-20 Li Liu , Xianghao Zhan , Rumeng Wu , Xiaoqing Guan , Zhan Wang , Wei Zhang , Mert Pilanci , You Wang , Zhiyuan Luo , Guang Li

Data augmentation has been shown to effectively improve the performance of multimodal machine learning models. This paper introduces a generative model for data augmentation by leveraging the correlations among multiple modalities.…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zixu Wang , Yishu Miao , Lucia Specia

We propose a simple data augmentation protocol aimed at providing a compositional inductive bias in conditional and unconditional sequence models. Under this protocol, synthetic training examples are constructed by taking real training…

计算与语言 · 计算机科学 2020-05-20 Jacob Andreas

In realistic environments, speech is usually interfered by various noise and reverberation, which dramatically degrades the performance of automatic speech recognition (ASR) systems. To alleviate this issue, the commonest way is to use a…

声音 · 计算机科学 2018-05-04 Bin Liu , Shuai Nie , Yaping Zhang , Dengfeng Ke , Shan Liang , Wenju Liu1

In this paper, we present a data augmentation method that generates synthetic medical images using Generative Adversarial Networks (GANs). We propose a training scheme that first uses classical data augmentation to enlarge the training set…

计算机视觉与模式识别 · 计算机科学 2018-01-09 Maayan Frid-Adar , Eyal Klang , Michal Amitai , Jacob Goldberger , Hayit Greenspan

Training machine learning algorithms for speech applications requires large, labeled training data sets. This is problematic for clinical applications where obtaining such data is prohibitively expensive because of privacy concerns or lack…

音频与语音处理 · 电气工程与系统科学 2018-04-30 Yishan Jiao , Ming Tu , Visar Berisha , Julie Liss

Generative Adversarial Networks (GANs) have demonstrated their versatility across various applications, including data augmentation and malware detection. This research explores the effectiveness of utilizing GAN-generated data to train a…

密码学与安全 · 计算机科学 2024-03-06 Kawana Stalin , Mikias Berhanu Mekoya

Data privacy is a critical challenge in modern medical workflows as the adoption of electronic patient records has grown rapidly. Stringent data protection regulations limit access to clinical records for training and integrating machine…

Speech enhancement aims to obtain speech signals with high intelligibility and quality from noisy speech. Recent work has demonstrated the excellent performance of time-domain deep learning methods, such as Conv-TasNet. However, these…

声音 · 计算机科学 2021-09-21 Feiyang Xiao , Jian Guan , Qiuqiang Kong , Wenwu Wang

Clinical data usually cannot be freely distributed due to their highly confidential nature and this hampers the development of machine learning in the healthcare domain. One way to mitigate this problem is by generating realistic synthetic…

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

In this paper, we propose a method to improve sound classification performance by combining signal features, derived from the time-frequency spectrogram, with human perception. The method presented herein exploits an artificial neural…

计算机视觉与模式识别 · 计算机科学 2013-06-19 Mohammad Pourhomayoun , Peter Dugan , Marian Popescu , Denise Risch , Hal Lewis , Christopher Clark

In this paper, a data augmentation method is proposed for depression detection from speech signals. Samples for data augmentation were created by changing the frame-width and the frame-shift parameters during the feature extraction process.…

音频与语音处理 · 电气工程与系统科学 2022-02-15 Vijay Ravi , Jinhan Wang , Jonathan Flint , Abeer Alwan

A common problem in computer vision -- particularly in medical applications -- is a lack of sufficiently diverse, large sets of training data. These datasets often suffer from severe class imbalance. As a result, networks often overfit and…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Shobhita Sundaram , Neha Hulkund

Cervical intraepithelial neoplasia (CIN) grade of histopathology images is a crucial indicator in cervical biopsy results. Accurate CIN grading of epithelium regions helps pathologists with precancerous lesion diagnosis and treatment…

图像与视频处理 · 电气工程与系统科学 2019-07-26 Yuan Xue , Qianying Zhou , Jiarong Ye , L. Rodney Long , Sameer Antani , Carl Cornwell , Zhiyun Xue , Xiaolei Huang