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Inverse filter

An Efficient Adaptive Linear Filtering Algorithm for Image Restoration Using Inverse Filter

An Efficient Adaptive Linear Filtering Algorithm for Image Restoration Using Inverse Filter

... ABSTRACT: In image processing, an efficient method of removing noise from the images, before processing them for further analysis is a great challenge for the researchers. Image denoising occurs due to transmission ...

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Construction and experimental implementation of a model-based inverse filter to attenuate hysteresis in ferroelectric transducers

Construction and experimental implementation of a model-based inverse filter to attenuate hysteresis in ferroelectric transducers

... the inverse filter provides a significant increase in accuracy and yields errors that are approximately a factor of 10 smaller than the linearly scaled ...model inverse in the control ...model-based ...

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Experimental implementation of a model-based inverse filter to attenuate hysteresis in an atomic force microscope

Experimental implementation of a model-based inverse filter to attenuate hysteresis in an atomic force microscope

... model-based inverse filter, the specified trajectory was input to the inverse model and the resulting field was applied to the experimental ...

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Digital Inverse Filter Model

Digital Inverse Filter Model

... Wiener filter is the need to set the cross-correlation function processes input and ...the inverse filter {a0k} can be calculated without the condition (1) by solving a system of linear equations of ...

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Pupil Position Detection with Eyeglasses Using SVM and Denoising Using Inverse Filter

Pupil Position Detection with Eyeglasses Using SVM and Denoising Using Inverse Filter

... Evaluation of the Suggested Method To determine the inner radius of eyeglass iris, instead of making an algorithm to calculate such quantity, only counting iris pixels of iris radius wil[r] ...

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Finite Length Sequences in On-Line System Identification

Finite Length Sequences in On-Line System Identification

... matched filter is optimum. For intermediate nois e levels the filter will in some sense lie between the matched filter and the inverse ...and inverse filters are ...and inverse ...

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Dereverberation by Using Time-Variant Nature of Speech Production System

Dereverberation by Using Time-Variant Nature of Speech Production System

... At this point, we can clearly explain the drawback of the conventional method with a large frame size. When using a large frame size, it is impossible to completely equalize d(n) with αe(n − β) because 1/(1 − B(z, n)) ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... adaptation filter that is adapted to the channel impulse response ‘H’ at the transmitter end ‘F’ is given in figure ...adaptation filter. Once f gets adapted to h, inverse filter is designed ...

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A Fuzzy Inference System for Unsupervised Deblurring of Motion Blur in Electron Beam Calibration

A Fuzzy Inference System for Unsupervised Deblurring of Motion Blur in Electron Beam Calibration

... probe size. The FIS is formed of three inputs, eight fuzzy rules and one output. These grades are produced autonomously by analyzing results of Wiener inverse filter. To 151. benchmark [r] ...

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Partial Equalization of Non-Minimum-Phase Impulse Responses

Partial Equalization of Non-Minimum-Phase Impulse Responses

... minimum-phase inverse filter for non-mini- mum-phase impulse responses ...the filter transfer function are replaced by new ones before carrying out the inverse ...

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Inverse Filtering for Speech Dereverberation Less Sensitive to Noise and Room Transfer Function Fluctuations

Inverse Filtering for Speech Dereverberation Less Sensitive to Noise and Room Transfer Function Fluctuations

... and inverse filters are designed to remove the effect of the ...high inverse filtering performance [1– ...the inverse filtering ...an inverse filter correctly de- signed for one ...

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Image Restoration Based on Deconvolution by Richardson Lucy Algorithm

Image Restoration Based on Deconvolution by Richardson Lucy Algorithm

... From Fig.(3) (c) & (d), and Fig.4 (c) & (d), the above results we found that the inverse filter works better than the Weiner filter, under noise conditions. When the variance of noise ...

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Restoration of noisy images blurred by deterministic or stochastic point spread function

Restoration of noisy images blurred by deterministic or stochastic point spread function

... 2 In particular, we applied inverse filter, pseudoinverse filter least- squares , constrained least- squares filter and ·w iener filter in frequency domain to est imate the original real[r] ...

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Digital Media Authentication Method For Acoustic Environment Detection

Digital Media Authentication Method For Acoustic Environment Detection

... recording invariant moments of bicoherance spectrum are used. H. Zhao and H. Malik presented a method to find the acoustic environment traces in the recordings [17]. It is a statistical method to distinguish the ...

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Post-selection-based continuous variable quantum information processing

Post-selection-based continuous variable quantum information processing

... the filter function, post-selection may open the way for emu- lating other non-Gaussian operations that are otherwise technically difficult or resource ...selection filter can be constructed following the ...

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Analysis of the ensemble Kalman filter for inverse problems

Analysis of the ensemble Kalman filter for inverse problems

... the continuous time limit of the EnKF corresponds to a set of preconditioned gradient flows for the data misfit in each ensemble member. The common preconditioner is the empirical covariance matrix of the ensemble which ...

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VHDL modeling and synthesis of the JPEG-XR inverse transform

VHDL modeling and synthesis of the JPEG-XR inverse transform

... The updated format is based on the discrete wavelet transform (DWT), scalar quanti- zation, context modeling, arithmetic coding and post-compression rate allocation [7]. The DWT can be implemented using either the ...

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Ensemble Kalman Filtering for Inverse Optimal Control

Ensemble Kalman Filtering for Inverse Optimal Control

... the inverse optimal control problem from the Bayesian statistical framework, using non- linear Bayesian filtering methodology to parameterize the quadratic ...

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Filter based methods for statistical linear inverse problems

Filter based methods for statistical linear inverse problems

... nonlinear, inverse problem in ...of inverse problems, going beyond the ensemble Kalman filter to encompass the study of other filters such as 3DVAR and the Kalman filter itself – see [15] for ...

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Adaptive control design for hysteretic smart systems

Adaptive control design for hysteretic smart systems

... Ferroelectric and ferromagnetic actuators are being considered for a range of industrial, aerospace, aeronautic and biomedical applications due to their unique transduction capabilities. However, they also exhibit ...

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