Yazar "Osman, Onur" için Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical and Electronics Engineering listeleme
-
Determining Phase Duration of Scanning EMG Signals
Artuğ, Tuğrul; Osman, Onur; Göker, İmran; Baslo, Barış; Bolat, Bülent (IEEE, 2015)There are more than one motor unit activities recorded simultaneously during scanning EMG recordings. It is not possible to determine the phase duration correctly by inspecting only one sweep. The other motor unit activities, ... -
Determining the Effect of Luminance on the EEG Measurement with STFT Method
Eroğlu, Kübra; Kurt, Pınar; Kayıkcıoğlu, Temel; Osman, Onur (IEEE, 2015)The aim of this study is to observe the impact on the emotional evaluation of luminance, which is a perceptual feature of visual stimuli from electroencefelography (EEG) data recorded. EEG recordings obtained from 13 healthy ... -
Effect of brightness of visual stimuli on EEG signals
Eroğlu, Kübra; Kayıkçıoğlu, Temel; Osman, Onur (Elsevier, 2020)The aim of this study was to examine brightness effect, which is the perceptual property of visual stimuli, on brain responses obtained during visual processing of these stimuli. For this purpose, brain responses of the ... -
The effect of recording site on extracted features of motor unit action potential
Artuğ, N. Tuğrul; Göker, İmran; Bolat, Bülent; Osman, Onur; Kocasoy Orhan, Elif; Baslo, M. Barış (Elsevier, 2016)Motor unit action potential (MUAP), which consists of individual muscle fiber action potentials (MFAPs), represents the electrical activity of the motor unit. The values of the MUAP features are changed by denervation and ... -
Feature Extraction and Classification of Neuromuscular Diseases Using Scanning EMG
Artuğ, Necdet Tuğrul; Bolat, Bülent; Osman, Onur; Göker, İmran; Tulum, Gökalp; Baslo, Mehmet Barış (IEEE, 2014)In this study a new dataset are prepared for neuromuscular diseases using scanning EMG method and four new features are extracted. These features are maximum amplitude, phase duration at the maximum amplitude, maximum ... -
Investigation of Luminance Effect on the Emotional Assessment Using Hjorth Descriptors
Eroğlu, Kübra; Kurt, Pınar; Kayıkcıoğlu, Temel; Osman, Onur (IEEE, 2015)The aim of this study is to investigate the impact of luminance level on the emotional evaluation from electroencephalography (EEG) records. EEG recordings obtained from 31 healty partipicants were used in this study. ... -
Investigation of Luminance Effect on the Emotional Assessment Using Principle Components Analysis Method
Eroğlu, Kübra; Kurt, Pınar; Kayıkçıoğlu, Temel; Osman, Onur (IEEE, 2017)The purpose of the study is to observe the effect of the level of luminance on the emotional evaluation (positive, negative, neutral) in electroencephalography (EEG) records. EEG records of 31 healthy volunteers were used ... -
Investigation of the Effect of Luminance Level on Emotional Evaluation by P300 Waves Observed in EEG Records
Eroğlu, Kübra; Kurt, Pınar; Kayıkçıoğlu, Temel; Osman, Onur (IEEE, 2017)In this study, the effect of the luminance level on the emotional evaluation was investigated using P300 waves observed in electroencephalography (EEG) records. EEG records of 31 helathy individuals were used in this study. ... -
Investigation The Effect of Luminance Level on the Emotional Assesment in EEG Recordings Using Wavelet Transform
Eroğlu, Kübra; Kurt, Pınar; Kayıkçıoğlu, Temel; Osman, Onur (IEEE, 2016)The aim of this study is to investigate the impact of luminance level on the emotional evaluation from electroencefelography (EEG) data recorded. EEG recordings obtained from 13 healthy individuals were used in the study. ... -
Karaciğer görüntülerinin geometrik dönüşüm yöntemleri kullanılarak benzerliklerinin değerlendirilmesi
Palabaş, Tuğba; Osman, Onur; Ergin, Tuncer; Teomete, Uygar; Dandin, Özgür; Aydın, Nizamettin (Institute of Electrical and Electronics Engineers Inc., 2016)In this study, similarity rates of the liver images are determined using 3D geometric transformation methods and numerical comparisons are made. Three geometric transformation methods scaling, rotating, and translating are ... -
Linear Modeling of Multiple Sclerosis and Its Subgroubs
Karaca, Yeliz; Osman, Onur; Karabudak, Rana (Turkish Neurological Soc., 2015)Objective: In this study, 120 patients diagnosed with clinical multiple sclerosis (MS) of relapsing remitting type (RRMS), secondary progressive type (SPMS) and primary progressive type (PPMS) were examined, as well as 19 ... -
Lung segmentation algorithm for CAD system in CTA images
Özkan, H.; Osman, Onur; Şahin, S.; Atasoy, M.M.; Barutca, H.; Boz, A.F.; Olsun, A. (2011)In this study, we present a new and fast algorithm for lung segmentation using CTA images. This process is quite important especially at lung vessel segmentation, detection of pulmonary emboly, finding nodules or segmentation ... -
Modeling of gravity anomalies due to 2D geological structures using Genetic algorithm
Osman, Onur; Albora, A. Muhittin (Istanbul University, 2015)In this paper, a new modeling technique is introduced using Genetic Algorithm (GA). In this method, Genetic algorithm (GA) is modified and used as an optimization method in geophysics applications. The problem at hand is ... -
New features for scanned bioelectrical activity of motor unit in health and disease
Artuğ, Necdet Tuğrul; Göker, İmran; Bolat, Bülent; Osman, Onur; Orhan, Elif Kocasoy; Baslo, M. Barış (Elsevier, 2018-03)The present study aims to find new features that support the differential diagnosis of neuromuscular diseases. Scanning EMG is an experimental method developed for understanding the motor unit organization and for observing ... -
A New Practical Intracerebral Hematoma Volume Calculation Method and Comparison to simple ABC/2
Cüce, Ferhat; Tulum, Gökalp; Dandin, Özgür; Ergin, Tuncer; Karadaş, Ömer; Osman, Onur (Turkish Neurosurgical Soc., 2020)AIM: To find a more practical and effective formula than simple ABC/2 (sABC/2) to calculate the hematoma volume in patients with subdural and parenchymal haemorrhage. MATERIAL and METHODS: We reviewed the records of 157 ... -
A novel method for pulmonary embolism detection in CTA images
Özkan, Haydar; Osman, Onur; Şahin, Sinan; Boz, Ali Fuat (Elsevier, 2014)In this paper, we propose a new computer-aided detection (CAD) – based method to detect pulmonary embolism (PE) in computed tomography angiography images (CTAI). Since lung vessel segmentation is the main objective to ... -
Observation of the Effect of the Increase in Luminance Level on Emotional Assessment in EEG Records Using Welch Method
Eroğlu, Kübra; Kurt, Pınar; Osman, Onur; Kayıkçıoğlu, Temel (IEEE, 2017)The aim of this study is to investigate the effect of the difference in level of luminance of visual stimuli on the emotional evaluation (negative, positive, neutral) from electroencephalogram (EEG) data recorded. EEG ... -
Semi-automated measurement of intraabdominal periorgan hematoma with a new method in patients with blunt abdominal trauma
Ergin, Tuncer; Dandin, Ozgur; Osman, Onur; Tulum, Gokalp; Teomete, Uygar; Cuce, Ferhat (IEEE, 2015)Our aim is to demonstrate a new semi-automated method for measuring periorgan hematoma due to abdominal organ trauma. The new methods' performance was evaluated on randomly selected 31 CT scans from 31 patients (10 females, ...