wavelet packet signal decomposition
A novel voice conversion approach using admissible wavelet packet decomposition
... the wavelet filter structure for extracting the speaker-specific features without consider- ing any underlying knowledge of the human auditory sys- ...admissible wavelet transform as it gives freedom to ...
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Expiratory and Inspiratory Cries Detection Using Different Signals' Decomposition Techniques
... phases: signal decomposition, features extraction as well as modeling, and clas- ...Three signal decomposition approaches were compared: FFT, wavelet packet decomposition, ...
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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 ...system signal by wavelet packet decomposition to extract fault features vector, which is the ...
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A New Algorithm for Voice Activity Detection Based on Wavelet Packets (RESEARCH NOTE)
... the Wavelet Packet Transform ...performs wavelet transform on the signal resulting in its decomposition into subbands using coefficients of WPT, and then it detects the voice within the ...
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Inertial measurement techniques for human joints' movement analysis
... In wavelet packet, a signal is successively decomposed by suitably chosen lowpass and highpass filters and at each stage of decomposition, the resulting signals are down sampled by a factor of ...
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IRIS RECOGNITION USING DISCRETE COSINE TRANSFORM AND WAVELET PACKET DECOMPOSITION
... important signal processing developments in the past years especially for the applications such as vision, data compression, segmentation and time division ...of wavelet transforms have been ...the ...
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Image Compression by Wavelet Packets
... wavelet packet analysis , this process also achieved on the details ...the wavelet transform (WT ), the lowpass filter and the highpass filter output repeated to offer a more flexible and complex ...
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Expiratory and inspiratory cries detection using different signals' decomposition techniques
... phases: signal decomposition, features extraction as well as modeling, and clas- ...Three signal decomposition approaches were compared: FFT, wavelet packet decomposition, ...
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Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... a signal in different windows or at different ...the signal is viewed in a large window, gross features can be noticed, but if viewed in a small window, only small features can be ...
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A Novel Hybrid Structure of Denoising for ECG-TDM Signals using Wavelet Packet Decomposition
... the signal in the output remains constant, therefore minimizing the total output power maximizes the output signal-to noise ...III, wavelet and wavelet packet decomposition and ...
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Some Results on the Wavelet Packet Decomposition of Nonstationary Processes
... Nonstationary processes have recently received an increasing attention in the signal processing community, due to their wide applicability in modeling natural phenomena gener- ated by physical systems with ...
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Wavelet – Neural Data Mining Approach for Spoken
... using wavelet packet and neural ...using wavelet packet decomposition and discrete wavelet ...of wavelet packet with neural network is appreciable while comparing ...
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An approach to performance assessment and fault diagnosis for rotating machinery equipment
... 2.1. Wavelet packet decomposition-based feature extraction In practice, the characteristic frequencies of rotating ma- chinery equipment or components are usually distributed in both high- and ...
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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
... value decomposition (SVD) is a new and important transform technique in robust digital watermarking due to its different properties from the traditional trans- forms such as Discrete Cosine Transform (DCT) and ...
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Multifocal ERG wavelet packet decomposition applied to glaucoma diagnosis
... from wavelet packet decomposition showed a clear repetitive pattern in the signal reconstructed from wavelet packet ADAA4 in the time interval running from 60-80 ms within the ...
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An On line Feature Extraction Method for Transformer Vibration Signals
... and wavelet packet transform combined, the characteristics of the transformer vibration signal extraction, Firstly, the signal is analyzed by FFT, and the main frequency components of the ...
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Time Domain Signal Analysis Using Wavelet Packet Decomposition Approach
... using wavelet packet filtering ...of wavelet packet transform in time signal analysis and ...of wavelet packet is appreciable while comparing with the discrete ...
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Radar Emitter Signal Recognition Based on EMD and Neural Network
... on wavelet [2] [3], RES recognition based on time frequency atom approach [4], they are all based on Fourier transformation and have many deficiencies, such as the limitation of time and frequency resolution, ...
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Eeg Classification For Epilepsy Based On Wavelet Packet Decomposition And Random Forest
... for signal processing that extract the subtle information of EEG and use it for automating the detection of epileptic with high accuration, so we can use it for monitoring and treatment the epileptic patient ...
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Discrete wavelet based decomposition of brain image for de noising and resolution enhancement
... discrete wavelet based ...discrete wavelet transform (DWT) is a few wavelet transform for which the wavelets are distinctly ...additional wavelet transforms, a key benefit it has over Fourier ...
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