Deceptive Chinese speech detection based on sparse decomposition of cepstral feature-中国Betway体育网页登陆

摘要 InordertoimprovetheperformanceofdeceptiondetectionbasedonChinesespeechsignals,amethodofsparsedecompositiononspectralfeatureisproposed.First,thewaveletpackettransformisappliedtodividethespeechsignalintomultiplesub-bands.Bandcepstralfeaturesofwaveletpacketsareobtainedbyoperatingthediscretecosinetransformonlogarithmicenergyofeachsub-band.ThecepstralfeatureisgeneratedbycombingMelFrequencyCepstralCoefficientandWaveletPacketBandCepstralCoefficient.Second,K-singularvaluedecompositionalgorithmisemployedtoachievethetrainingofanover-completemixturedictionarybasedonboththetruthanddeceptivefeaturesets,andanorthogonalmatchingpursuitalgorithmisusedforsparsecodingaccordingtothemixturedictionarytogetsparsefeature.Finally,recognitionexperimentsareperformedwithvariousclassifiedmodules.Experimentalresultsshowthatthesparsedecompositionmethodhasbetterperformancecompariedwithconventionaldimensionreducedmethods.Therecognitionaccuracyofthemethodproposedinthispaperis78.34%,whichishigherthanmethodsusingotherfeatures,improvingtherecognitionabilityofdeceptiondetectionsystemsignificantly.

1YANG Bo;BU Yinyong;ZHAO Haiming.Features of underwater echo extraction based on signal sparse decomposition.声学,2012-02.
2Chang Zheng;Ban Xiaojuan;Wang Yu.Fatigue driving detection based on Haar feature and extreme learning machine.通信与信息系统,2016-04.
3王帆;郑方;等.Speech Detection in Non—Stationary Noise Based on the 1／f Process.计算机科学与技术,2002-01.
4.ADAPTIVE MULTISCALE EDGE DETECTION BASED ON VISION FEATURE OF EDGE AND WAVELET TRANSFORM.物理电子学,1999-02.
5Enming Zheng;Huabing Yu;Xinhua Chen;Changyu Sun.Line spectrum detection algorithm based on the phase feature of target radiated noise.物理电子学,2016-01.
6向程;覃开蓉.Feature Extraction for the Wrist-pulse-signals in Traditional Chinese Medicine by Ensemble Empirical Mode Decomposition.中医学,2008-06.
7Deng-Yuan Huang;Ta-Wei Lin;Wu-Chih Hu;Mu-Song Chen.Eye Detection Based on Facial Feature Extraction with Different Poses under Lighting Change Conditions.计算机应用技术,2012-03.
8Zhang Yanning;Zhang Haichao;Duan Feng;Liu Xuegong;Han Lin.PROJECTION BASED STATISTICAL FEATURE EXTRACTION WITH MULTISPECTRAL IMAGES AND ITS APPLICATIONS ON THE YELLOW RIVER MAINSTREAM LINE DETECTION.物理电子学,2009-03.
9GUO Yanmeng FU Qiang YAN Yonghong.Speech endpoint detection in real noise environments.声学,2007-01.
10HUANG Hao ZHU Jie.Discriminative tonal feature extraction method in mandarin speech recognition.通信与信息系统,2007-04.

Deceptive Chinese speech detection based on sparse decomposition of cepstral feature

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