Sharif Digital Repository

Wavelet-based 2-D ECG data compression method using SPIHT and VQ coding

Author

Sahraeian, S. M. E.

Pub. Year

2007

Subjects

Boolean functions. / Chromium. / Compression ratio (machinery) / Electrocardiography. / Electrochromic devices. / Programming theory. / Stages. / Trees (mathematics) / Vector quantization. / Applied (CO) / Compression methods. / Compression ratios. / Data arrays. / Double stage compression. / ECG data. / ECG signals. / Heartbeat data. / International conferences. / Residual images. / Root-mean-square-difference (RMSD) / Set partitioning in hierarchical trees (SPIHT) algorithm. / VQ coding. / Data compression.

An improved image denoising technique using cycle spinning

Author

Sahraeian, M. E.

Pub. Year

2007

Subjects

Corrupted images. / Cycle-spinning. / De-noising. / Image artifacts. / Image de-noising. / Image enhancement. / Image noise reduction. / International conferences. / Malaysia. / Minimum mean-square error. / New approaches. / Optimum thresholds. / Peak signal-to-noise ratio. / Thresholding. / Visual qualities. / Wavelet de-noising techniques. / Wavelet thresholding. / Artificial intelligence. / Image processing. / Imaging systems. / Imaging techniques. / Neural networks. / Optical data processing. / Telecommunication systems. / Wavelet transforms. / Error analysis.

A new approach to assembly level programming

Author

Sahraeian, M. E.

Pub. Year

2007

Subjects

Assembly languages. / Assembly programming. / Instruction sets. / International conferences. / New approaches. / Pentium processors. / Linguistics.

Information hiding with optimal detector for highly correlated signals

Author

Sahraeian, M. E.

Pub. Year

2009

Subjects

Auto regressive process. / Autoregressive signals. / Data embedding. / Decoding process. / Decoding scheme. / First-order. / Gaussians. / Highly-correlated. / Host signals. / Information hiding. / Maximum likelihood decoders. / Optimal detectors. / Algorithms. / Decoding. / Maximum likelihood estimation. / Parameter estimation. / Signal processing.

Estimating buildup factor of alloys based on combination of Monte Carlo method and multilayer feed-forward neural network

Author

Moshkbar Bakhshayesh, K.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Bayesian regularization. / Buildup factor estimation. / FFNN architecture. / Input features. / Monte Carlo modeling. / Aluminum alloys. / Binary alloys. / Copper alloys. / Distribution functions. / Feed-forward neural networks. / Iron alloys. / Learning algorithms. / Multilayer neural networks. / Multilayers. / Silicon. / Testing. / American nuclear society. / Bayesian regularization. / Constituent elements. / Cumulative distribution function. / Mean relative error. / Monte Carlo codes. / Multilayer feed-forward neural networks. / Number of hidden neurons. / Monte Carlo methods.

Wavelet image denoising based on improved thresholding neural network and cycle spinning

Author

Sahraeian, M. E.

Pub. Year

2007

Subjects

Activation functions. / Cycle spinning. / Image denoising. / Nonlinear thresholding functions. / Image enhancement. / Mean square error. / Neural networks. / Signal to noise ratio. / Wavelet transforms. / Image analysis.

Estimating buildup factor of alloys based on combination of Monte Carlo method and multilayer feed-forward neural network

Author

Moshkbar Bakhshayesh, K.

Publisher

Elsevier Ltd,

Pub. Year

2021

Subjects

Aluminum alloys. / Binary alloys. / Copper alloys. / Distribution functions. / Feedforward neural networks. / Iron alloys. / Learning algorithms. / Multilayer neural networks. / Multilayers. / Silicon. / Testing. / American Nuclear Society. / Bayesian regularization. / Constituent elements. / Cumulative distribution function. / Mean relative error. / Monte Carlo codes. / Multilayer feedforward neural networks. / Number of hidden neurons. / Monte Carlo methods.

Blind image watermarking based onsample rotation with optimal detector

Author

Sahraeian, S. M. E.

Pub. Year

2009

Subjects

High robustness. / Image blocks. / Low-frequency components. / Maximum likelihood criteria. / Optimal detection. / Optimal detectors. / Optimum decoder. / Algorithms. / Optimization. / Rotation. / Signal processing. / Image watermarking.

Information hiding with maximum likelihood detector for correlated signals

Author

Sahraeian, S. M. E.

Publisher

Elsevier Inc,

Pub. Year

2015

Subjects

Scaling based rule. / Decoding. / Gaussian distribution. / Maximum likelihood. / Maximum likelihood estimation. / Signal detection. / Signal processing. / Autoregressive signals. / Correlated signals. / Decision variables. / First order autoregressive model. / Information hiding. / Maximum likelihood detectors. / Correlation detectors.

Distribution independent blindwatermarking

Author

Sahraeian, M. E.

Publisher

IEEE Computer Society,

Pub. Year

2009

Subjects

Gaussian ratio distribution. / Scaling based embedding. / Algorithms. / Decoding. / Image processing. / Imaging systems. / Parameter estimation. / Signal processing. / Watermarking. / Auto regressive models. / Autoregressive signals. / Decision variables. / Decoder performance. / First-order. / Gaussians. / Host signals. / Maximum likelihood decoder. / Maximum likelihood decoders. / Maximum-likelihood decoding algorithms. / Test images. / Transform domain. / Maximum likelihood estimation.

Contourlet based image watermarking using optimum detector in the noisy environment

Author

Sahraeian, S. M. E.

Pub. Year

2008

Subjects

Additive White Gaussian noise. / Contourlet coefficients. / Contourlet transform. / Contourlets. / Decision rules. / General Gaussian distribution. / High robustness. / Human Visual System. / Image edge. / Image Watermarking. / Image watermarking systems. / JPEG compression. / Maximum likelihood detector. / Multiplicative image watermarking. / Noisy environment. / Optimal detectors. / Optimum detectors. / Sub-bands. / Additive noise. / Detectors. / Gaussian noise (electronic) / Image processing. / Imaging systems. / Signal detection. / Watermarking. / White noise. / Maximum likelihood.

Robust multiplicative watermarking technique with Maximum Likelihood detector

Author

Sahraeian, S. M. E.

Publisher

European Signal Processing Conference, EUSIPCO,

Pub. Year

2008

Subjects

Digital watermarking. / Image compression. / Maximum likelihood estimation. / Signal detection. / Wavelet transforms. / Adaptive watermarking. / High robustness. / Human visual model. / JPEG compression. / Maximum likelihood detectors. / Maximum likelihood estimator. / Multiplicative watermarking. / Strength factor. / Watermarking.

Numerical investigation on the effect of the size and number of stages on the tesla microvalve efficiency

Author

Mohammadzadeh, K.

Pub. Year

2012

Subjects

Micropump. / Number of stages. / Tesla microvalve. / Diodicity. / Micro pump. / Micro valves. / Numerical investigations. / Steady-state computations. / Strong dependences. / Tesla-type valves. / Valve performance. / Reynolds number. / Valves (mechanical)

Numerical study on the performance of Tesla type microvalve in a valveless micropump in the range of low frequencies

Author

Mohammadzadeh, K.

Pub. Year

2013

Subjects

Low working frequencies. / Tesla microvalve. / Three-dimensional simulation. / Valveless micropump.

Simultaneous variation-aware architecture exploration and task scheduling for MPSoC energy minimization

Author

Momtazpour, M.

Pub. Year

2011

Subjects

Architecture exploration. / Energy minimization. / MPSoC. / Process variation. / Task scheduling. / Task scheduling. / Computer architecture. / Lakes. / Multiprocessing systems. / Multitasking. / Optimization. / Scheduling. / Scheduling algorithms. / Microprocessor chips.

Monitoring the role of polymer and surfactant concentrations on bubble size distribution in colloidal gas aphron based fluids

Author

Pasdar, M.

Publisher

Elsevier B.V,

Pub. Year

2018

Subjects

Bubble size distribution. / Bubbles stability. / Disproportionation. / The role of XG/SDBS concentration. / Bubbles (in fluids) / Diffusion in gases. / Diffusion in liquids. / Drilling fluids. / Gases. / Polymers. / Size distribution. / Surface active agents. / Xanthan gum. / Bubble size distributions. / Colloidal gas aphron. / Controlling mechanism. / Disproportionations. / Distribution curves. / Hydrocarbon reservoir. / Sodium dodecylbenzene sulfonate. / Surfactant concentrations. / Bubble columns. / Deionized water. / Dodecylbenzenesulfonate sodium. / Xanthan. / Article. / Colloid. / Concentration (parameters) / Controlled study. / Experimental study. / Gas. / Microbubble. / Microscopy. / Monitoring. / Priority journal. / Viscosity.

Investigating fluid invasion control by Colloidal Gas Aphron (CGA) based fluids in micromodel systems

Author

Pasdar, M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Bubbly flow. / Colloidal gas aphrons. / Fluid invasion control. / Pore blockage. / Return permeability. / Wettability. / Colloids. / Drilling fluids. / Fracture. / Infill drilling. / Porous materials. / Sodium dodecyl sulfate. / Sulfur compounds. / Wetting. / Bubble size distributions. / Design and application. / Fluid invasion. / Fractured porous media. / Pore blockages. / Sodium dodecylbenzene sulfonate. / Flow of fluids.

Insight into the behavior of colloidal gas aphron (CGA) fluids at elevated pressures: an experimental study

Author

Pasdar, M.

Publisher

Elsevier B.V,

Pub. Year

2018

Subjects

Bubble size distribution. / Stability. / Bubble columns. / Bubbles (in fluids) / Convergence of numerical methods. / Diffusion. / Diffusion in liquids. / Hysteresis. / Petroleum reservoir engineering. / Size distribution. / Ambient conditions. / Bubble size distributions. / Colloidal gas aphrons. / Field application. / High pressure. / High-pressure experiment. / Hysteretic behavior. / Oil and gas reservoir. / Drilling fluids. / Colloidal gas aphron. / Dodecyl sulfate sodium. / Polymer. / Surfactant. / Unclassified drug. / Xanthan. / Article. / Biotechnology. / Compression. / Gas. / Microscopy. / Pressure. / Pressure volume curve. / Priority journal.

Authors’ reply to a comment on M. pasdar et al article

Author

Pasdar, M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Capillary pressure. / Chemical parameters. / Fluid flow. / Gas diffusion. / High pressure microscopy. / Hyperbarism. / Interbubble gas diffusion. / Letter. / Microscopy. / Offshore oil industry. / Priority journal. / Surface tension. / Tension.

Insight into selection of appropriate formulation for colloidal gas aphron (CGA)-based drilling fluids

Author

Pasdar, M.

Publisher

China University of Petroleum Beijing,

Pub. Year

2020

Subjects

Bubble size analysis. / Colloidal gas aphrons. / Dispersion. / Rheology. / Stability.