discrete wavelet transforms (DWT)
Discrete Wavelet Transforms and Artificial Neural Networks for Recognition of Isolated Spoken Words
... Speech recognition is a fascinating application of Digital Signal Processing and has many real-world applications. In this paper, a speech recognition system is developed for isolated spoken words using Discrete ...
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RECOGNITION OF SPEECH SIGNALS: AN EXPERIMENTAL COMPARISON OF LINEAR PREDICTIVE CODING AND DISCRETE WAVELET TRANSFORMS
... of Discrete Wavelet Transforms (DWT) and Artificial Neural ...But discrete wavelet transforms are found to be more suitable for recognizing speech because of their ...
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Non parametric linear time invariant system identification by discrete wavelet transforms
... Wavelet transforms have been extensively applied to non-linear system identification [18–23], as well as to para- metric and/or time-varying system identification ...a wavelet-based adaptive filter ...
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Image Resolution Improvement by Using Discrete Wavelet Transforms and Stationary Wavelet Transform
... by discrete wavelet transform and the info ...stationary wavelet transform . discrete wavelet transforms is connected keeping in mind the end goal to deteriorate an info image ...
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Fixing of Cycle Slips in Dual-Frequency GPS Phase Observables using Discrete Wavelet Transforms
... the wavelet filter. By now we have made certain that implementing the wavelet transform as an iterated digital filter bank is possible and from now on we can speak of the discrete wavelet ...
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DENOISING OF 1-D SIGNAL USING DISCRETE WAVELET TRANSFORMS
... The discrete wavelet transform (DWT) provides a frequency band-wise decomposition of the signal, which is, called multiresolution analysis (MRA). A multiresolution analysis (MRA) for introduced by Mallat. ...
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Fingerprint Based Gender Classification Using 2D Discrete Wavelet Transforms and Principal Component Analysis
... undergoes discrete wavelet transformation for obtaining the feature ...Hence, discrete wavelet transform (DWT) is a suitable tool to be used for designing a classification ...
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Non-blind watermarking Scheme for Colour Images using Discrete Wavelet Transforms and Singular Value Decomposition
... The Discrete Wavelet Transform of an image divides the image into bands of approximately equal bandwidth on a logarithmic ...scale wavelet coefficients. To obtain the next coarser scaled ...
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Discrete Wavelet Transforms Of Haars Wavelet
... one-dimensional wavelet decomposition with respect to either a particular wavelet ('wname') or particular wavelet decomposition filters (Lo_D and Hi_D) that you ...a wavelet decomposition of ...
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Image Compression Preprocessing for ANN Ensemble Motion Detection System
... system. Discrete wavelet transforms (DWT) and the discrete cosine transform (DCT) are used as preprocessing compression methods to improve the processing time of the ANN system used for object ...
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A HybridWavelet-Shearlet Approach to Robust Digital ImageWatermarking
... many transforms can be used for images watermarking based on frequency domain (FD), such as continuous wavelet transform (CWT), dis- crete cosine transform (DCT), short time Fourier transform (STFT), ...
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Multi Scale Wavelet Fusion Based Vocal Singer Matching
... it. Wavelet Transform is a handy transform for carrying out various audio and Image applications [4-6], ...The discrete wavelet transforms (DWT) and further Haar transform are quite efficient ...
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Automatic Detection of Glaucoma Using 2 D DWT
... An automatic system for glaucoma detection is developed using image processing techniques. The features are extracted from retinal fundus images using 2-D discrete wavelet transforms. Wavelet ...
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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 ...called Discrete Wavelet Packet ...
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Response-based methods to measure road surface irregularity: a state-of-the-art review
... DWT: Discrete wavelet transforms; FFT: Fast Fourier transform; GPS, Data, Crowd: GPS accuracy, data fusion/aggregation, crowdsourcing platform; G- ZERO: The sensor senses a 0-g vibration; IRI: ...
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Denoising of Poisson and Rician Noise from Medical Images using Variance Stabilization and Multiscale Transforms
... using discrete wavelet transform is denoising the images but it fails to preserve the edges with orientation because of its shift variance ...undecimated wavelet transform will overcome this drawback ...
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ECG SIGNAL STEGANOGRAPHY USING WAVELET TRANSFORMS
... Golpira and Danyali [12] proposed a reversible blind watermarking for medical images based on wavelet histogram shifting. In this paper, medical images such as MRI are used as host signal. A 2-D wavelet ...
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INCORPORATION OF NEGOTIATION PROCESS INTO AN E COMMERCE PLATFORM TO INCREASE SALES
... Maity S.P. and Kundu M.K. [2004] [14]: A billed technique for applying watermarks is proposed to embed redundantly in the multilevel wavelet coefficients of the RR and LL band of the cover image. It is said that ...
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Noise Reduction in Speech Signals Using Discrete-time Kalman Filters Combined with Wavelet Transforms
... both Discrete-time Kalman filtering and Wavelet ...Wavelets transforms allow minimizing spectral ...of Wavelet transforms with Kalman filtering has shown satisfactory ...
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Design of LTE System by using Neural Network Adaptive Equalizer Based on Discrete Fourier and Wavelet Transforms
... of wavelet conversion in LTE systems with derived mathematical expressions to represent the data rate in LTE transmission based on wavelet and Fourier ...
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