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Identity Vector Extraction by Perceptual Wavelet Packet Entropy and Convolutional Neural Network for Voice Authentication

机译：由感知小波包熵和卷积神经网络进行语音认证的特性矢量提取

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摘要

Recently, the accuracy of voice authentication system has increased significantly due to the successful application of the identity vector (i-vector) model. This paper proposes a new method for i-vector extraction. In the method, a perceptual wavelet packet transform (PWPT) is designed to convert speech utterances into wavelet entropy feature vectors, and a Convolutional Neural Network (CNN) is designed to estimate the frame posteriors of the wavelet entropy feature vectors. In the end, i-vector is extracted based on those frame posteriors. TIMIT and VoxCeleb speech corpus are used for experiments and the experimental results show that the proposed method can extract appropriate i-vector which reduces the equal error rate (EER) and improve the accuracy of voice authentication system in clean and noisy environment.

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期刊名称 Entropy
作者
Lei Lei; Kun She;
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年(卷),期 2018(20),8
年度 2018
页码 600
总页数 15
原文格式 PDF
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关键词
i-vector; wavelet entropy; speaker authentication; CNN;

机译：I形式;小波熵;扬声器认证;CNN;

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1. Energy and entropy-based feature extraction for locating fault on transmission lines by using neural network and wavelet packet decomposition [J] . Sami Ekici, Selcuk Yildirim, Mustafa Poyraz Expert systems with applications . 2008,第4期

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2. Perceptual Wavelet packet transform based Wavelet Filter Banks Modeling of Human Auditory system for improving the intelligibility of voiced and unvoiced speech: A Case Study of a system development [J] . Ranganadh Narayanam International Journal on Computer Science and Engineering . 2015,第10期

机译：基于感知小波包变换的人类听觉系统小波滤波器组建模，以提高浊音和清音的清晰度：以系统开发为例
3. Smart deep learning based wind speed prediction model using wavelet packet decomposition, convolutional neural network and convolutional long short term memory network [J] . Liu Hui, Mi Xiwei, Li Yanfei Energy Conversion & Management . 2018,第JUNa期

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4. Classification of Pathological and Healthy Voice Using Perceptual Wavelet Packet Decomposition and Support Vector Machine [C] . Özkan Arslan Tip Teknolojileri Kongresi . 2020

机译：使用感知小波包分解和支持向量机的病理和健康声音分类
5. Brainprint: Identifying unique features of neural activity using cross-correlation, support vector machines and neural networks to evaluate its use as an authentication method. [D] . Ruiz Blondet, Maria Virginia. 2014

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6. A Novel End-To-End Fault Diagnosis Approach for Rolling Bearings by Integrating Wavelet Packet Transform into Convolutional Neural Network Structures [O] . Shoucong Xiong, Hongdi Zhou, Shuai He, 2020

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7. Robust QRS Detection Using High-Resolution Wavelet Packet Decomposition and Time-Attention Convolutional Neural Network [O] . Menghan Jia, Feiteng Li, Jiaquan Wu, 2020

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Identity Vector Extraction by Perceptual Wavelet Packet Entropy and Convolutional Neural Network for Voice Authentication

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