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Wavelet Packet Decomposition (WPD)

A Comprehensive Noise Robust Speech Parameterization Algorithm Using Wavelet Packet Decomposition-Based Denoising and Speech Feature Representation Techniques

A Comprehensive Noise Robust Speech Parameterization Algorithm Using Wavelet Packet Decomposition-Based Denoising and Speech Feature Representation Techniques

... a wavelet packet decomposition to rep- resent the speech signal in the time-frequency ...Daubechies wavelet DB16, and the proposed finite impulse response filter REMEZ32 constructed on the ...

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Some Results on the Wavelet Packet Decomposition of Nonstationary Processes

Some Results on the Wavelet Packet Decomposition of Nonstationary Processes

... orthonormal wavelet packet decomposition [13, 14] related to a paraunitary perfect reconstruction filter bank with im- pulse responses ( h 0 ( k )) k ∈ Z , ...

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Multifocal ERG wavelet packet decomposition applied to glaucoma diagnosis

Multifocal ERG wavelet packet decomposition applied to glaucoma diagnosis

... of wavelet packet decomposition to each of the different sectors for a time window of 10-190 ...of wavelet packet decomposition of a control ...Bior3.1 wavelet (Figure 6) ...

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A Robust Iris Identification System Based on Wavelet Packet Decomposition and Local Comparisons of the Extracted Signatures

A Robust Iris Identification System Based on Wavelet Packet Decomposition and Local Comparisons of the Extracted Signatures

... 2.2. Functional Scheme. The functional scheme of the pro- posed system is depicted in Figure 2 and follows the typical structure of majority of iris recognition systems. The image is first segmented in order to extract ...

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Time Domain Signal Analysis Using Wavelet Packet Decomposition Approach

Time Domain Signal Analysis Using Wavelet Packet Decomposition Approach

... on wavelet packet transform ...of wavelet packet analysis (WPA) with various wavelet basis sets is elabo- ...Since wavelet packet decomposition can provide more ...

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A Novel Hybrid Structure of Denoising for ECG-TDM Signals using Wavelet Packet Decomposition

A Novel Hybrid Structure of Denoising for ECG-TDM Signals using Wavelet Packet Decomposition

... III, wavelet and wavelet packet decomposition and reconstruction processes along with new wavelet packets are ...existing wavelet packets and new wavelet packets are ...

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A Secure Semi Fragile Watermarking Method for Image security Based on Wavelet Packet Decomposition and Singular Value Decomposition
Devashree Sadawarti & Narayan Sahu

A Secure Semi Fragile Watermarking Method for Image security Based on Wavelet Packet Decomposition and Singular Value Decomposition Devashree Sadawarti & Narayan Sahu

... on Wavelet Packet Decomposition and Singular Value Decomposition is ...Value Decomposition (SVD) is used to modify the singular values of the coefficient of cover image and watermark ...

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IRIS RECOGNITION USING DISCRETE COSINE TRANSFORM AND WAVELET PACKET DECOMPOSITION

IRIS RECOGNITION USING DISCRETE COSINE TRANSFORM AND WAVELET PACKET DECOMPOSITION

... Iris recognition is basic technology for personal identification and verification and is most reliable and accurate for biometric identification system. Iris recognition system gives security to the organization and ...

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A novel voice conversion approach using admissible wavelet packet decomposition

A novel voice conversion approach using admissible wavelet packet decomposition

... dyadic wavelet filter bank applied to the source and target speech frames partitions each of the frames into different frequency ...bands. Wavelet basis func- tions, coiflet5, and ...The wavelet ...

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Adaptive Wavelet Packet Decomposition for          Efficient Image Denoising By Using NeighSure
          Shrink Method

Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method

... Wavelets are mathematical functions that analyze data according to scale or resolution. They aid in studying a signal in different windows or at different resolutions. For instance, if the signal is viewed in a large ...

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Wavelet – Neural Data Mining Approach for Spoken

Wavelet – Neural Data Mining Approach for Spoken

... paper, Wavelet Packet Decomposition (WPD) and Neural Network (NN) based data mining model (WPDNNM) is explored for keyword ...Discrete Wavelet Transformation (DWT) feature extraction based ...

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Wavelets in Recognition of Bird Sounds

Wavelets in Recognition of Bird Sounds

... The model of the whole recognition process is presented in Figure 1. During the preprocessing the noise was reduced from the soundtracks. Then the soundtracks were segmented into smaller pieces which are called sounds in ...

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Biometric Authentication System Using EEG Brain Signature

Biometric Authentication System Using EEG Brain Signature

... Shedeed [19] used the Neural Network to identify 3 individuals based on fast Fourier transform (FFT) and wavelet packet decomposition (WPD) from 4 channels. Wang et al [r] ...

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Design of a Novel Hybrid Algorithm for Improved Speech Recognition with Support Vector Machines Classifier

Design of a Novel Hybrid Algorithm for Improved Speech Recognition with Support Vector Machines Classifier

... two wavelet based techniques namely Discrete Wavelet Transforms (DWT) and Wavelet Packet Decomposition (WPD) for extracting features from ...Discrete Wavelet Packet ...

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An approach to performance assessment and fault diagnosis for rotating machinery equipment

An approach to performance assessment and fault diagnosis for rotating machinery equipment

... including wavelet packet decomposition for extracting energy feature samples from vibration signals acquired during normal and faulty conditions; clustering analysis for demonstrating the ...

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Image Compression by Wavelet Packets

Image Compression by Wavelet Packets

... single wavelet packets tree precedent numerous decomposition options wavelet packet decomposition of a signal, results in a considerable redundancy and an increase in the number of ...

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Configuration for Predicting Travel Time Using Wavelet Packets and Support Vector Regression

Configuration for Predicting Travel Time Using Wavelet Packets and Support Vector Regression

... the wavelet packet decomposition at level ...reshaped wavelet transform of travel-time matrix gave us 2 j matrices at level j repre- ...

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AN ENHANCED IRIS RECOGNITION AND AUTHENTICATION SYSTEM USING ENERGY MEASURE

AN ENHANCED IRIS RECOGNITION AND AUTHENTICATION SYSTEM USING ENERGY MEASURE

... using wavelet packet decomposition that generated 64- Wavelet Packet coefficients used for generating the energy values and also displayed the iris bit code which further research can ...

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Fault Diagnosis Technology of Reciprocating Pumps based on Inlay Model Wavelet Neural Network ZHAO Zhi-hua 1, WU Li2

Fault Diagnosis Technology of Reciprocating Pumps based on Inlay Model Wavelet Neural Network ZHAO Zhi-hua 1, WU Li2

... model Wavelet Neural Network in order to determine the reciprocating pump fault type ...by wavelet packet decomposition to extract fault features vector, which is the input of wavelet ...

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Comparative Study of Different Approaches of Image Compression

Comparative Study of Different Approaches of Image Compression

... and wavelet packet decomposition ...component. Wavelet packet decomposition is a wavelet transform where signal is passed through more filter than discrete wavelet ...

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