additive with Gaussian noise
Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain
... transmission noise is ...The noise generation sources are vision sensor with its circuit, acquisition equipment such as digital scanner and cameras, analog to digital converter (quantizer), transmission ...
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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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Types of noise (1) Gaussian Noise:-Additive noise is one of the most common problems in image processing. Even a high
... 1) Gaussian Noise:-Additive noise is one of the most common problems in image ...some noise in ...real-time noise reduction is still a subject of many ...
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Restoration of Astrophysical Images—The Case of Poisson Data with Additive Gaussian Noise
... by noise. For astronomical data, two noise pro- cesses are generally considered ...an additive Gaussian noise appearing in high intensity mea- surements; in this case, the maximum ...
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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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Analysis of Image Denoising using Wavelet Threshold Method
... homogeneous Gaussian additive noise is to be removed from a given ...with additive white Gaussian Noise at zero mean that are applied on the image to produce noisy ...the ...
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A Robust Denoising Algorithm for Sounds of Musical Instruments Using Wavelet Packet Transform
... heterogeneous noise for preprocessing of mass spectrometry data is discussed which incorporate a variance change point de- tection method in ...the Additive White Gaussian Noise from the ...
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Demosaicing and Sharpening of Color Filter Captured Images using Adaptive Transformation
... a noise removal algorithm for color images corrupted by additive Gaussian noise and a robust open close sequence filter based on mathematical morphology for high probability additive ...
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IMAGE DUPLICATION AND ROTATION DETECTION METHODS FOR STORAGE UTILIZATION
... Deconvolution is the process used to reverse the effects of convolution on image.The concept of deconvolution is popular used in the techniques of signal processing and image processing.It is the process of separation of ...
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A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels
... with additive white Gaussian noise (AWGN) channels of same variances even if the propagation additive noise is non-Gaussian such as impulsive ...
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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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Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... the 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 ...
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Frame By Frame Digital Video Denoising Using Multiplicative Noise Model
... Three 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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ZigBee Signal Phase Tracking Using a Discrete Kalman Filter Estimator under AWGN Channel
... The objective of this research is to track the phase changes in Binary Phase Shift Keying (BPSK) modulated signal in ZigBee communication systems us- ing discrete Kalman Filter (KF). Therefore, Kalman Filtering is used ...
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Study of Various Filters for Removal Noise from RSI Using Matlab Simulation
... developed additive white Gaussian Noise(AWGS), Salt and Pepper Noise(SPN), Shot Noise (Poisson noise), Speckle ...of noise removal filters is carried ...to Noise ...
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Compressive Modulation In Digital Communication Using QPSK
... in additive Gaussian noise the noise is superimposed over the signal that tends to mask the signal, where it will limit receiver ability to make correct symbol decisions and limit the rate of ...
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Referenceless image quality assessment by saliency, color-texture energy, and gradient boosting machines
... AGN: Additive gaussian noise; ANCC: Additive noise in color components; BMP: Bit map; BMS: Boolean Map Saliency; BRISQUE: Blind/referenceless image spatial quality evaluator; CA: ...
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A Novel Image Structural Similarity Index Considering Image Content Detectability Using Maximally Stable Extremal Region Descriptor
... Any degradation of image primitives, which alters the image content detectability, can be monitored by tracking the image global and local smoothnesses. When a pristine image is polutted by an SHFA distortion (like ...
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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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Adaptive Electronic Dispersion Compensator for Chromatic and Polarization-Mode Dispersions in Optical Communication Systems
... Adaptive electronic equalizers for impairment compen- sation in fiber-optic networks have been studied for decades. In early work [4], the dominant noise was quantum, shot, or electronic thermal noise, ...
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