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Data discrepency for additive Gaussian noise

Restoration of Astrophysical Images—The Case of Poisson Data with Additive Gaussian Noise

Restoration of Astrophysical Images—The Case of Poisson Data with Additive Gaussian Noise

... Poissonian noise due to low light intensity, then, a Gaussian white noise is added during the electronic read-out ...the noise process is, instabilities due to noise amplification ...

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Robust Parametric Modeling of Speech in Additive White Gaussian Noise

Robust Parametric Modeling of Speech in Additive White Gaussian Noise

... in 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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The Estimation of Radial Exponential Random Vectors in Additive White Gaussian Noise

The Estimation of Radial Exponential Random Vectors in Additive White Gaussian Noise

... Received April 22, 2009; revised June 15, 2009; accepted June 22, 2009 Abstract Image signals are always disturbed by noise during their transmission, such as in mobile or network commu- nication. The received ...

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Types of noise (1) Gaussian Noise:-Additive noise is one of the most common problems in image processing. Even a high

Types of noise (1) Gaussian Noise:-Additive noise is one of the most common problems in image processing. Even a high

... the noise from the image is the critical issue. Gaussian noise (White noise) Salt & Pepper noise and Speckle noise are the types of noises which are generally found in Images, ...

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Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain

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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The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)

The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)

... is design by the engineers, so transmitter must be coordinated with a receiver.In communication synchronization is done with the known center frequency transmited by the transmitter signal,so that we can receive our ...

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Convexity Properties of Detection Probability Under Additive Gaussian Noise: Optimal Signaling and Jamming Strategies

Convexity Properties of Detection Probability Under Additive Gaussian Noise: Optimal Signaling and Jamming Strategies

... with two-thirds of on-power time fraction. V. C ONCLUSIONS AND F UTURE W ORK In this correspondence, we have examined the convexity properties of the detection probability for the problem of determining the pres- ence of ...

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Adaptive detection of a Gaussian signal in Gaussian noise

Adaptive detection of a Gaussian signal in Gaussian noise

... in Gaussian noise with unknown covariance matrix is addressed in this ...as Gaussian random variables at the design of the ...corrective, data dependent, ...

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Simulation and Evaluation of Shrinkage Techniques for Image De-noising under Additive White Gaussian Noise (AWGN)

Simulation and Evaluation of Shrinkage Techniques for Image De-noising under Additive White Gaussian Noise (AWGN)

... by noise is a classical problem in the field of image ...processing, noise is undesired information that degrades the quality of ...the data acquisition process, and interfering natural phenomena can ...

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TAR modeling with missing data when the white noise process is not Gaussian

TAR modeling with missing data when the white noise process is not Gaussian

... The TAR models proposed by Tong (1978) assume that the values of a process (the threshold process) {Z t } determine not only the values of the process of interest {X t }, but also its dynamic. When the threshold process ...

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OFDM PAPR REDUCTION USING LINEAR BLOCK CODES WITH ERROR CORRECTION IN ADDITIVE WHITE GAUSSIAN NOISE CHANNEL

OFDM PAPR REDUCTION USING LINEAR BLOCK CODES WITH ERROR CORRECTION IN ADDITIVE WHITE GAUSSIAN NOISE CHANNEL

... input data stream into a number of lower rate streams that are transferred simultaneously over a number of subcarriers, the transmission rate is slower in parallel subcarriers, a frequency selective channel seems ...

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Improved preclassification non local-means (IPNLM) for filtering of grayscale images degraded with additive white Gaussian noise

Improved preclassification non local-means (IPNLM) for filtering of grayscale images degraded with additive white Gaussian noise

... Isabel V Hernández-Gutiérrez * , Francisco J Gallegos-Funes and Alberto J Rosales-Silva Abstract In this paper, we develop an extensive research on different types of grayscale images applying standard non local ...

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Sparse Additive Gaussian Process with Soft Interactions

Sparse Additive Gaussian Process with Soft Interactions

... this data, there are about 124 predictors, 5 non-predictors, and 18 response ...this data has missing values and non-predictors, we preprocessed the data before applying our algorithm and BART on ...

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Gaussian Process Training with Input Noise

Gaussian Process Training with Input Noise

... per data point of ...of noise expected is proportional to the derivative of the mean squared, which is the same for both sides of the square ...the noise is estimated from the training points ...low ...

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Outsourced Data Privacy by Utilizing Artificial Neural Network and Gaussian Noise Approach

Outsourced Data Privacy by Utilizing Artificial Neural Network and Gaussian Noise Approach

... Mining, Data Perturbation, Threats. I. I NTRODUCTION Data mining is extracting or mining knowledge from large amounts of ...data. Data mining can also be referred to as KDD, ...Knowledge ...

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Optimal intraday power trading with a Gaussian additive process

Optimal intraday power trading with a Gaussian additive process

... the case here; in fact, for each traded hour, ID time series prices are most active in Changes to sentence OK? the last two to three hours before maturity. During the first hours, few transactions occur. Thus, we are ...

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Performance Analysis of Gaussian Filter with Different Kernel Sizes in Removing Gaussian Noise

Performance Analysis of Gaussian Filter with Different Kernel Sizes in Removing Gaussian Noise

... Kernel, Gaussian Noise, Gaussian Filter ...of noise. Noise is the result of errors in the image acquisition process that result in pixel values that do not reflect the true intensities ...

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Robustness of classifiers to uniform $\ell_p$ and Gaussian noise

Robustness of classifiers to uniform $\ell_p$ and Gaussian noise

... Altering perturbations can take various forms, such as additive perturbations, geometric trans- formations or occlusions for image data. The analysis of the robustness of classifiers under these ...

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Patch similarity under non Gaussian noise

Patch similarity under non Gaussian noise

... underlying noise-free ...the noise departs from Gaussian ...the noise variance, difficulties arise when the noise variance is signal-dependent, and then can vary between and inside ...

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Restoration of Color Image Corrupted by Gaussian Noise

Restoration of Color Image Corrupted by Gaussian Noise

... by Gaussian noise is ...noisy data whose filtering behavior depends on only one ...of noise corruption. In-order to better appraise the noise cancellation behavior of our filter from ...

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