Wavelet Packets
Image Compression by Wavelet Packets
... The wavelet packets is the generalized approach of wavelet decomposition which introduces a spacious area of the possibility of signal analysis that is permits the better accordance analysis to the ...
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Artificial Neural Network based Monitoring of Weld Quality in Pulsed Metal Inert Gas Welding using Wavelet Packets of Current Signal
... frequency wavelet packet coefficients of sensors’ signals like voltage, current for the prediction of weld quality features in ...capability. Wavelet packets of welding current were found to be an ...
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Satellite Image Fusion Technique using Integration of IHS Transform and Contrast based Wavelet Packets
... hand, wavelet packets, which are extension of wavelets, besides decomposing low frequency band in a higher scale, it also decomposes high frequency band in higher ...the wavelet packet transform can ...
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Effect of Diversity and Filtering on the Performance of Wavelet Packets Base Multicarrier Multicode CDMA System
... In Wavelet Packets Based Multicarrier Multicode CDMA system, the multicode (MCD) part ensures the transmission for high speed and flexible data rate, the multicarrier (MC) part ensures the flex- ibility of ...
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FPGA Implementation of Hearing Aids using Stationary Wavelet Packets for Denoising
... Speech signals are often contaminated with acoustic noise, which is present in a variety of listening environments. This problem is of critical importance because background noise is particularly damaging to speech ...
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A Novel Image Compression Scheme with Wavelet Packets Optimization Using Artificial Bee Colony Algorithm
... input image is given to wavelet packets transformation block. The image transformed in to packets. Then it is passing through quantization block. In the process of quantization each sample is scaled ...
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Bearing-Fault Detection Using the Meyer-Wavelet-Packets Algorithm
... The localization property o f wavelet packets in a time-frequency analysis has been successfully considered in many applications. In this paper, a new method o f bearing-fault detection is investigated ...
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Wavelet packets based denoising method for measurement domain repeat time multipath filtering in GPS static high precision positioning
... apply wavelet decomposition for real-time multipath mitigation in code minus carrier ...observable. Wavelet-based tech- niques have also been used in repeat-time-based multipath mitigation for static ...
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Assessing JPEG2000 encryption with key-dependent wavelet packets
... Key-dependent wavelet packets in JPEG2000 have been proposed for a lightweight encryption scheme in earlier studies [16,30,31]. This approach is in the focus of interest in this study. The suggested scheme ...
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WAVELET PACKETS IN WEIGHTED SOBOLEV SPACE
... basic wavelet packets in weighted Sobolev space. MRA based wavelet packet functions and their or- thogonality at different levels in weighted Sobolev space are ...of wavelet packets in ...
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Optimal wavelet basis for wavelet packets based meningioma subtype classification
... The wavelet transform is computed by applying a highpass and lowpass filter upon the input signal to acquire the high frequency and low frequency ...simple wavelet transform decomposes only the low level ...
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A Study on B Spline Wavelets and Wavelet Packets
... orthonormal wavelet basis of L 2 ( ) , wavelet packets were constructed by Coifman, Meyer and Wickerhauser [6] ...that wavelet packets are used to further decompose the wavelet ...
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A New Algorithm for Voice Activity Detection Based on Wavelet Packets (RESEARCH NOTE)
... Therefore, the VAD information can use in the other speech processing systems. This method is useful. Because it has few account, simple algorithm in little time, we can take the most careful that it use of in usages. ...
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Developing an Evolutionary Algorithm to Search for an Optimal Multi Mother Wavelet Packets Combination
... The wavelet transform is a popular analysis tool for non-stationary data, but in many cases, the choice of the mother wavelet and basis set remains uncertain, particularly when dealing with phy- siological ...
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Detection of cochlear hearing loss applying wavelet packets and support vector machines
... scription of TEOAE data in Sec. 2. The classification of the data is conducted by a support vector machine (SVM) classifier explained in Sec. 4 more explicitly. In Sec. 5, based on the training data, a support vector ...
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Multiscale variation model and activity level estimation algorithm of the Earth's magnetic field based on wavelet packets
... multiscale wavelet analysis and allows us to study characteristic variations in the geomagnetic field and nonstationary short-term changes characterizing fast-flowing processes in the ...the wavelet-based ...
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An FPGA Implementation Of Hearing Aids based on Wavelet-Packets
... Hearing aids are divided on the basis of functionality into three categories: analog, programmable analog- and digital hearing aids. Analog hearing aids are the least expensive type. Their drawback is that sound is ...
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Classification of meningiomas using discriminant wavelet packets and learning vector quantization
... As stated above one of the most important aspect of any pattern detection technique is extracting inherent features in an image. Consequently any texture classification technique would only be as good as the features ...
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Detection of Cochlear Hearing Loss Applying Wavelet Packets and Support Vector Machines
... Transient evoked otoacoustic emissions (TEOAE) are used as a clinical standard procedure to detect cochlear hearing loss [1], and measurement equip- ment [2] is widely available in hospitals. The analysis of TEOAE is ...
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Configuration for Predicting Travel Time Using Wavelet Packets and Support Vector Regression
... The route of 9.13 miles on I-5N was selected with a detector density of 2.73. The data was observed for 214 consecutive days commencing from March 01, 2011 to September 30, 2011 from 1 pm to 8 pm. The time slot was ...
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