Browsing by Author "Acir, Nurettin"
Now showing items 1-18 of 18
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Artificial Single Trial Auditory Evoked Potential Signal Generator
Bahtiyar, Yemen Alev; Erkan, Yasemin; Acir, Nurettin (IEEE, 2009)In this study, we introduce an artificial single trial auditory evoked potential signal generator which contributes to create the synthetic data set that are mostly used in biomedical engineering applications. The proposed ... -
Auditory brainstem response classification for threshold detection using estimated evoked potential data: comparison with ensemble averaged data
Acir, Nurettin; Erkan, Yasemin; Bahtiyar, Yemen Alev (SPRINGER, 2013)Auditory brainstem response (ABR) has become a routine clinical tool in neurological and audiological assessment. ABR measurement process with ensemble averaging is very time-consuming and uncomfortable for subjects due ... -
Auditory Threshold Detection by Classifying Estimated Short Latency Evoked Potentials
Acir, Nurettin; Erkan, Yasemin; Bahtiyar, Yemen Alev (IEEE, 2009)Short latency evoked response (SLER) has become a routine clinical tool in neurological and audiological assessment. But, in order to extract SLER from backgroung EEG signal, many repeated single trial measurements are ... -
Automatic Removal of Ocular Artefacts In EEG Signal by Using Independent Component Analysis and Chauvenet Criterion
Cinar, Salim; Acir, Nurettin (IEEE, 2015)Eye movements (saccade, blink and cause artefacts in Electroencephalogram recordings. The ocular artefact can distort the EEG signals. Removal of ocular artefact is important issue in EEG signal analysis. The main task of ... -
A Complex-Valued Adaptive Filter Algorithm for System Identification Problem
Mengguc, Engin Cemal; Acir, Nurettin (IEEE, 2015)In this study, a complex-valued adaptive filter algorithm based on Lyapunov stability theory is presented to solve a system identification problem in the complex domain. The performance of the proposed complex-valued ... -
Complex-Valued Least Mean Kurtosis Adaptive Filter Algorithm
Menguc, Engin Cemal; Acir, Nurettin (IEEE, 2016)In this study, a complex-valued least mean Kurtosis (CLMK) adaptive filter algorithm is designed for processing complex-valued signals. The performance of the designed algorithm is tested on a complex-valued system ... -
Design of a nonlinear adaptive infinite impulse response filter
Acir, Nurettin (IEEE, 2007)This study introduces a wavelet network based adaptive BR filtering system satisfying asymptotic stability in the sense of Lyapunov. The proposed system is also integrated with the advantages of the time-frequency specific ... -
The effect of reference inputs in the BAEP signal acquisition using an adaptive filter
Acir, Nurettin (IEEE, 2009)In this study, we have comparatively evaluated the effect of reference inputs in the filtering of Brainstem Auditory Evoked Potentials (BAEP). Trial-to-trial variations in BAEP signal are very important in quantifying ... -
Estimation of brainstem auditory evoked potentials using a nonlinear adaptive filtering algorithm
Acir, Nurettin (SPRINGER, 2013)In this study, we introduce a novel nonlinear system not only for tracking of both the latency and amplitude variations in brainstem auditory evoked potential (BAEP), but also for reduction of single-trial numbers in BAEP ... -
Lyapunov Stability Theory Based Adaptive Filter Algorithm for Noisy Measurements
Menguc, Engin Cemal; Acir, Nurettin (IEEE, 2013)This paper presents a Lyapunov stability theory based adaptive filter algorithm with a determined step size. The proposed algorithm thanks to its step size leads to a faster convergence rate and a lover misadjustment error ... -
LYAPUNOV STABILITY THEORY BASED COMPLEX VALUED ADAPTIVE FILTER DESIGN
Menguc, Engin Cemal; Acir, Nurettin (IEEE, 2014)In this study, a novel complex valued adaptive filter algorithm is proposed satisfying stability in the sense of Lyapunov. The prediction capability of the proposed algorithm is presented by using complex valued autoregressive ... -
Lyapunov stability theory based complex valued adaptive filter design [Lyapunov kararlilik teorisi tabanli kompleks degerli adaptif filtre tasarimi]
Mengüç, Engin Cemal; Acir, Nurettin (IEEE Computer Society, 2014)In this study, a novel complex valued adaptive filter algorithm is proposed satisfying stability in the sense of Lyapunov. The prediction capability of the proposed algorithm is presented by using complex valued autoregressive ... -
LYAPUNOV THEORY BASED ADAPTIVE LEARNING ALGORITHM FOR MULTILAYER NEURAL NETWORKS
Acir, Nurettin; Menguc, Engin Cemal (ACAD SCIENCES CZECH REPUBLIC, INST COMPUTER SCIENCE, 2014)This paper presents a novel weight updating algorithm for training of multilayer neural network (MLNN). The MLNN system is first linearized and then the design procedure is proposed as an inequality constraint optimization ... -
A modified adaptive IIR filter design via wavelet networks based on Lyapunov stability theory
Acir, Nurettin (SPRINGER, 2008)In this paper, we present a wavelet network IIR filtering system satisfying asymptotic stability in the sense of Lyapunov unlike many other gradient descent algorithms based adaptive filtering systems. The proposed system ... -
A Modified Neural Filtering Algorithm for Tracking of Chaotic Signals
Menguc, Engin Cemal; Acir, Nurettin (IEEE, 2014)In this study, a modified neural filtering algorithm is presented for tracking of chaotic signals. A multilayer neural network (MLNN) structure is used in proposed design as a nonlinear adaptive filtering tool. Initially, ... -
A New Approach to Channel Equalization Problem
Menguc, Engin Cemal; Acir, Nurettin (IEEE, 2015)In this study, a new approach based on Lyapunov stability theory (LST) is proposed for channel equalization problem. For the first time, the convergence capability of the proposed algorithm is presented on the channel ... -
A novel adaptive filter design using Lyapunov stability theory
Menguc, Engin Cemal; Acir, Nurettin (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2015)This paper presents a new approach to design an adaptive filter using Lyapunov stability theory. The design procedure is formulated as an inequality constrained optimization problem. Lagrange multiplier theory is used as ... -
Real-Time Implementation of Lyapunov Stability Theory-Based Adaptive Filter on FPGA
Menguc, Engin Cemal; Acir, Nurettin (IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG, 2016)The Lyapunov stability theory-based adaptive filter (LST-AF) is a robust filtering algorithm which the tracking error quickly converges to zero asymptotically. Recently, the software module of the LST-AF algorithm is ...
