White Gaussian Noise
Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain
... the noise standard deviation. Noise occurs when scanning the drawn image for making the cartoon ...the noise to the extent of the problem and it helps cartoon related noise ...of noise ...
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Robust Parametric Modeling of Speech in Additive White Gaussian Noise
... additive white Gaussian noise, a robust parametric modelling method was presented which combined an appropriate noise variance estimator with an efficient iterative ...The ...
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Characteristic Analysis of White Gaussian Noise in S Transformation Domain
... The characteristic property of white Gaussian noise (WGN) is derived in S-transformation domain. The results show that the distribution of normalized S-spectrum of WGN follows χ 2 distribution with ...
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The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)
... the noise is introduced, now the signal is distorted by the unwanted or undesirable signals which are random and ...unpredictable..External noise are generated by channels which are nearby like faults in ...
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A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... additive white Gaussian noise, maximal ratio combining (MRC) is a theoretically optimal combiner over fading channels in which the received signals from different paths are combined so as to maximize ...
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Analysis of Image Denoising using Wavelet Threshold Method
... zero-mean white and homogeneous Gaussian additive noise is to be removed from a given ...additive white Gaussian Noise at zero mean that are applied on the image to produce noisy ...
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Mobile Radio Communications: Second and Third Generation Cellular and WATM Systems: 2nd
... Second Generation Third Generation Auto Correlation Advanced Communications Technology and Services Association of Radio Industries and Businesses Additive White Gaussian Noise Broadcast[r] ...
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A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels
... Abstract—In many communication systems, information carrying symbols are transmitted in blocks with guard intervals between blocks for avoiding inter-block interference. This paper proposes a block transmission system ...
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Detection and Localization of Transient Sources: Comparative Study of Complex-Lag Distribution Concept Versus Wavelets and Spectrogram-Based Methods
... additive white Gaussian noise, HOS allow to detect them by giving high values for transient components that are over- Gaussian and putting to zero the rest of the signal corre- sponding with ...
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Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... additive white Gaussian ...different noise intensities shows that this algorithm yields better peak signal to noise ratio compared to the other existing methods, and feature similarity for the ...
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A Robust Denoising Algorithm for Sounds of Musical Instruments Using Wavelet Packet Transform
... additive white Gaussian noise is passed through this algorithm, the obtained peak signal to noise ratio (PSNR) depends upon the level of decomposition along with shape of the ...
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Study of Various Filters for Removal Noise from RSI Using Matlab Simulation
... various noise environments research and design a number of effective, linear, to adapt to the digital image filter to suppress the increase of white Gaussian noise (AWGN), bipolar ...
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Aspects of Bayesian inverse problems
... is Gaussian white ...non-white Gaussian noise; when restricting to the mildly ill-posed diagonal case our rates agree (up to ε > 0 arbitrarily small) with the sharp rates in [44] ...
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Detection of continuous-time quaternion signals in additive noise
... quaternion Gaussian noise and a version of Pitcher’s Theorem is ...Wiener noise is studied and an extension of the Cameron-Martin formula is ...quaternion white Gaussian noise is ...
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PERFORMANCE ANALYSIS OF WAVELET THRESHOLDING METHODS IN DENOISING OF AUDIO SIGNALS OF SOME INDIAN MUSICAL INSTRUMENTS
... the noise as , where is White Gaussian Noise. White Gaussian noise is difficult to remove as it is located at all ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT INVESTIGATIONS ON THE PERFORMANCE ENHANCEMENT OF SELF ENCODED SPREAD SPECTRUM IN WIRELESS COMMUNICATION Kavitha Rani*, Dr.S Suresh Babu
... Spread spectrum systems are employed for the secure transmission of digital information which is achieved through spreading the signal in frequency domain. Pseudo-Noise (PN) sequences are conventionally used for ...
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Improved Non-Local Means Algorithm Based on Dimensionality Reduction
... (a) Noise free image Lena, (b) noisy image with Additive white Gaussian noise, (c) denoised image using the NLM method , PSNR= ...(b) Noise free fragment of Lena image (c) noisy ...
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Frame By Frame Digital Video Denoising Using Multiplicative Noise Model
... Additive White Gaussian Noise (AWGN) corrupted vid- eos namely, ...the noise models are considered in ampli- tude ...tiplicative noise nature as are used for denoising the speckle ...
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An Effective Enhancement Method for Satellite Images Using AHE-RWT Technique
... The numerous satellite pictures are sullied with noise. The numerous kind noises, for example, white Gaussian noise, speckle noise will degenerate the pictures. The corruptions the ...
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Performance of AWGN Channel Using Least Squar...
... The profile of received signal can be obtained from that of the transmitted signal if we have a model of the medium between the two. This model of the medium is called channel model. The estimation of the channel is done ...
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