Wavelet Packet Decomposition
Some Results on the Wavelet Packet Decomposition of Nonstationary Processes
... 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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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 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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A Secure Semi Fragile Watermarking Method for Image security Based on Wavelet Packet Decomposition and Singular Value Decomposition Devashree Sadawarti & Narayan Sahu
... Wavelet packet decomposition sometimes called wavelet ...In wavelet packet decomposition signals is transited through more filters as compared to ...DWT. Wavelet ...
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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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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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Eeg Classification For Epilepsy Based On Wavelet Packet Decomposition And Random Forest
... Wavelet packet decomposition can be used for denoising and feature extraction [3]. In this study, we select seven different statistical features for EEG classification, aiming at decreasing the ...
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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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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 induced ...
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Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... In wavelet packet transform, the optimal representation basis of the input signal is selected by optimizing a function known as “cost function” in each ...
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A novel voice conversion approach using admissible wavelet packet decomposition
... novel wavelet packet filter bank approach to identify non-uniformly distributed dynamic characteristics of the ...dyadic wavelet packet tree structure is optimized to involve less computation ...
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Local Discriminant Wavelet Packet Coordinates for Face Recognition
... further wavelet packet decomposition, more fine scale information which may have good discriminant power is generated, however, the reso- lution of subband images becomes lower so that less ...
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Texture classification using discriminant wavelet packet subbands
... Discrete wavelet transform provides a tractable way of decomposing an image into a number of frequency subbands at different scales, a feature that has been associ- ated with human visual system ...dyadic ...
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Meningioma classification using an adaptive discriminant wavelet packet transform
... Discriminant Wavelet Packet Transform ...This decomposition represents the edges and other textu- ral information in the image at multiple ...
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Video Watermarking Based On Wavelet Packet Analysis for Various Attack
... Outcomes of Literatures that has been surveyed which motivated for the implementation of the work, are as follows: as presented by Mohan A Chimanna et al. (2013), Algorithm implemented using DWT-PCA is robust against ...
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A new basis selection paradigm for wavelet packet image coding
... resolutions. Wavelet based zerotree image coding meth- ods [1, 2] have proved their superiority over other wavelet based methods in terms of both computational complexity and compression ...for ...
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Colour Image Watermarking Based On Wavelet and QR Decomposition
... [8] P. Rasti, S. Samiei, M. Agoyi, S. Escalera, and G. Anbarjafari, ―Robust non-blind color video watermarking using qr decomposition and entropy analysis,‖ Journal of Visual Communication and Image ...
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Discrete and Stationary Wavelet Decomposition for IMAGE Resolution Enhancement
... the wavelet domain is a relatively new research topic and recently many new algorithms have been proposed [4]-[7] ...Discrete wavelet transform (DWT) [8] is one of the recent wavelet transforms used ...
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Detection of Rail Fastener Based on Wavelet Decomposition and PCA
... [7] Wang Xiaohua, Zhao Zhixiong. PCA face recognition algorithm combined with gamma transform and wavelet transform. Computer Engineering and Applications, 2016, 52(5):190-193. [8] Jianming Z, Pei L, Honglin W, et ...
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Uncertain Feature RCS Analyses based on Wavelet Decomposition
... the wavelet coefficients, and obtain the optimal denoising effect in the sense of mean square ...the wavelet domain the threshold method can be used to filter out the uncertain components of the data to ...
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