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The 3-layer wavelet packet decomposition tree

Some Results on the Wavelet Packet Decomposition of Nonstationary Processes

Some Results on the Wavelet Packet Decomposition of Nonstationary Processes

... 2002 Wavelet/wavelet packet decomposition has become a very useful tool in describing nonstationary ...the wavelet packet decomposition of a large class of nonstationary ...

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Domain Decomposition for Wavelet Single Layer on Geometries with Patches

Domain Decomposition for Wavelet Single Layer on Geometries with Patches

... to wavelet BEM for free-form curved patches because the currently available methods in domain decompositions are well developed only for finite element method and finite volume ...domain decomposition ...

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Multifocal ERG wavelet packet decomposition applied to glaucoma diagnosis

Multifocal ERG wavelet packet decomposition applied to glaucoma diagnosis

... ONHC decomposition analysis and waveform quality assessment were performed using the VERIS™ ...Further wavelet signal analysis was performed in MATLAB (MathWorks Inc, Natick, ...

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Time Domain Signal Analysis Using Wavelet Packet Decomposition Approach

Time Domain Signal Analysis Using Wavelet Packet Decomposition Approach

... Discrete Wavelet Transform The DWT, which is based on subband coding, is found to yield a fast computation of Wavelet ...continuous wavelet transform (CWT), the signals are analyzed using a set of ...

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Eeg Classification For Epilepsy Based On Wavelet Packet Decomposition And Random Forest

Eeg Classification For Epilepsy Based On Wavelet Packet Decomposition And Random Forest

... EEG (electroencephalogram) can detect epileptic seizures by neurophysiologists in clinical practice with visually scan long recordings. Epilepsy seizure is a condition of brain disorder with chronic noncommunicable that ...

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Estimation of the remaining useful life by using Wavelet Packet Decomposition and HMMs.

Estimation of the remaining useful life by using Wavelet Packet Decomposition and HMMs.

... The principle of these methods consists in two stages: a first phase during which a behavior model is learned from the monitoring data and a second phase where the learned model is used [r] ...

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IRIS RECOGNITION USING DISCRETE COSINE TRANSFORM AND WAVELET PACKET DECOMPOSITION

IRIS RECOGNITION USING DISCRETE COSINE TRANSFORM AND WAVELET PACKET DECOMPOSITION

... 3.2 Wavelet Packet Decomposition Wavelet transforms have been one of the important signal processing developments in the past years especially for the applications such as vision, data ...

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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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River Stage Forecasting Using Wavelet Packet Decomposition and Data-driven Models

River Stage Forecasting Using Wavelet Packet Decomposition and Data-driven Models

... combining wavelet packet decomposition and data-driven models for forecasting river stage and investigating their ...are wavelet packet-based artificial neural network (WPANN) and ...

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Wavelet Packet Analysis and Empirical Mode Decomposition for the Fault Diagnosis of Reciprocating Compressors

Wavelet Packet Analysis and Empirical Mode Decomposition for the Fault Diagnosis of Reciprocating Compressors

... as wavelet analysis has attracted much attention in non-stationary signal processing because of successful applications in transient signal analysis, imagine analysis and communications systems to name a few ...of ...

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Acoustic feature extraction using perceptual wavelet packet decomposition for frog call classification

Acoustic feature extraction using perceptual wavelet packet decomposition for frog call classification

... perceptual wavelet packet decomposition for classifying frog calls in noisy ...result, wavelet packet decomposition (WPD) is applied to the frog calls for ensuring one node ...

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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

... This is a problem of resolution, and it is the main reason why researchers have switched to wavelet transform (WT) from STFT. Wavelets are mathematical functions that analyze data according to scale or resolution. ...

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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

... But all these forms takes the TDM signal as a base or whole signal as a unit, and run the denoising schemes. But the base signals which constitutes the TDM signal may have variety of properties. These signals will be ...

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A Neuro-fuzzy Based Model for Analysis of an ECG Signal Using Wavelet Packet Tree

A Neuro-fuzzy Based Model for Analysis of an ECG Signal Using Wavelet Packet Tree

... on wavelet packet tree classifier (for detection of QRS complex) has been implemented for the comparative study of automatic real-time ECG ...using Wavelet Packet Tree (WPT) ...

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Offline and real time noise reduction in speech signals using the discrete wavelet packet decomposition

Offline and real time noise reduction in speech signals using the discrete wavelet packet decomposition

... The wavelet filtering program with its interface to the Xaudionet Client program and the XAD- ML100 program is shown in the flowchart of Figure ...the wavelet denoising program with the required data size. ...

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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

... original wavelet-packet-based signature extraction method and a novel identification approach, based on the fusion of local distance measures, are ...

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Wavelet packet decomposition-based fault diagnosis scheme for SRM drives with a single current sensor

Wavelet packet decomposition-based fault diagnosis scheme for SRM drives with a single current sensor

... Fig. 2. Operation modes of the converter. (a) Excitation mode. (b) Freewheel- ing mode (ZVL). (c) Demagnetization mode. Open- and short-circuit faults in power switches in an asymmet- rical half-bridge converter are ...

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Dual-Tree Complex Wavelet Packet Transform and Feature Selection Techniques for Infant Cry Classification

Dual-Tree Complex Wavelet Packet Transform and Feature Selection Techniques for Infant Cry Classification

... IV. C ONCLUSION In this paper, the classification of infant cry signals into five classes of asphyxia, deaf, hunger, pain and normal cries has been presented. Energy and Shannon entropy features extracted from each ...

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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

... of wavelet is used. We are using Haar as a mother wavelet to perform wavelet packet decomposition and singular valued decomposition for matching the RGB components of original ...

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Applications of Wavelet Transform and Tensor Decomposition

Applications of Wavelet Transform and Tensor Decomposition

... [3] A. Karami, M. Yazdi ,A.Zolghadre, proposed a hyperspectral image compression based on tucker decomposition and three dimensional discrete cosine transform and applies Tucker decomposition on DCT ...

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