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Browsing M.S. Theses by Author "Özkan, Mehmed."

Browsing M.S. Theses by Author "Özkan, Mehmed."

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  • A mobile urine analysis system for homecare 
    Kahraman, Büşra. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 2013., 2013.)
    Urinalysis is a remarkable diagnostic technique and an essential part of physical examination used frequently in kidney and urinary tract diseases. Urine reagent strips which are widely used in urinalysis are impregnated ...
  • An automated real time physiological viscometer 
    Usta, Ahmet. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 2000., 2000.)
    Viscosity as hemorheological criteria has become far more important after the clinicians started to blame it for some pathological conditions. There is a bunch of study showing that the blood viscosity is apparently ...
  • Artificial neural network for gait disorder classification 
    Kuchimov, Shavkat. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2006., 2006.)
    Developments in motion analysis systems are distinctive in last decades. Those systemsbecame very important tools for diagnosis of various gait disorders. They evolved so much thatclinicians nowadays dare to use them in ...
  • Atlas guided neurosurgery 
    Aksel, Ertuğrul Burteçin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2001., 2001.)
    In this work, a computer interface is developed to deform atlas overlays, so as to make them fit to a certain case, namely a particular patient's anatomy for pre-operational target determination for neurosurgeries. The ...
  • Auditory brain response detection using a portable EEG headset 
    Koç Söker, Zeliha. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 2013., 2013.)
    In general terms, evoked potentials are electrical signals generated by the nervous system in response to a stimulus. Auditory evoked potentials (AEPs) are generated in response to an acoustic stimulus. Measuring the ...
  • Autostereoscopic displays in computer assisted surgery 
    Gümüş, Caner. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    Using images for diagnosis, therapy and surgery is a widely used option as evidenced by many articles in the literature. In conventional systems standard two-dimensional (2D) displays are used to view the images even though ...
  • Calculating the magnitude of transfer functions for hearing aids by insertion gain measurements 
    Karamavuş, Yunus. (Thesis (M.S.) - Bogazici University.Institute of Biomedical Engineering, 2011., 2011.)
    While the hearing loss is one of the most common problem in our lives, it is also the most compensable disability. In general, hearing impairment can be fixed by a hearing aid which amplifies sound levels at different ...
  • Calculation of true T1, T2 and proton density images for the elimination of signal intensity artifacts in segmentation of brain tissue in magnetic resonance imaging 
    Ağuş, Onur. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2008., 2008.)
    Segmentation of tissues in medical imaging is an essential subject because it helps the radiologists to be able to identify diseases, tumors and follow the degenerative diseases. In Magnetic Resonance Imaging (MRI) one ...
  • Cardiac motion analysis in MRI for classification 
    Göksel, Dilek. (Thesis (M.S.) - Bogazici University. Institue of Biomedical Engineering, 2002., 2002.)
    Although several techniques exist for the analysis of cardiac tagged MR images, a rapid screening tool do not yet exits. Our proposed technique tries to perform rapid classification to diagnose the abnormalities in human ...
  • Classification of ECG arryhtmia beats with artifical neural networks 
    Zeybekoğlu, Seçil. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)
    Electrocardiography (ECG) is very useful noninvasive imaging method of the heart's electrical activity. Based on these recordings, a wide range or heart conditions can be diagnosed. These conditions may vary from minor to ...
  • Design of a brain computer interface (BCI) system based on electroencephalogram (EEG) 
    Günaydın, Ozan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    A Brain Computer Interface (BCI), sometimes called a Brain Machine Interface (BMI) is a communication device between the brain and an external device, usually a computer. The main purpose of BCI systems is repairing or ...
  • Design of a computer-controlled current stimulator for neree and muscle excitation 
    Arar, Mahmud Esad. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)
    Electrical stimulation of excitable tissues has been widely used for diagnosing and treating neurological and muscular disorders. Electrical stimulation is also used to analyze and understand inherent functions of nerves ...
  • Design of a Wi-Fi based electrocardiography monitoring system 
    Kocatürk, Mehmet. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)
    The objective of this project is to design a wireless ECG monitoring system which enables the tracking of ambulatory patients' cardiac activities on a central server. A developed software run on a server and the client ...
  • Design of an intraoral artificial larynx system for the speech rehabilitation of total laryngectomees 
    Göker, İmran. (Thesis (M.S.)- Bogazici University. Institute of Biomedical Engineering, 2000., 2000.)
    The cancer of larynx is treated with a surgical method called total laryngectomy whether it is diagnosed in the later stage of the disease. In this procedure, the larynx and the vocal cords are removed. Consequently, these ...
  • Electromagnetic compatibility of hearing aids with digital mobile phones 
    Yürekli, Ali İhsan. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1997., 1997.)
    When the intensity of emissions from a radio transmitter varies at an audible rate, it causes interference on sensitive electronic equipment. Hearing aid user complaints caused by this kind of interference were increased ...
  • Fatigue related EMG power spectrum changes during dynamic contractions in female rowers 
    Uzun, Selda (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2002., 2002.)
    The Surface Electrompography (SEMG) signal allows a good assessment of meuromuscular activity a noninvasive tool. While muscle fatigef is a complex multifaceted phenomenon, in sedentary subjects it is characterized by ...
  • Formation of Turkish norms in gait analysis 
    Yılmaztürk, Şule. (Thesis (M.S)-Bogazici University.Institute of Biomedical Engineering, 2005., 2005.)
    In this study, a normative database of basic gait parameters, kinematics and kinetic patterns for 181 normal subjects with the ages of four, five, seven, eight, nine, sixteen, seventeen, eighteen and twenty is reported. ...
  • GUI driven sigma-delta modulator design and measurement tool with a view of medical ultrasound imaging implementation 
    Altınok, Güneş Damla. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)
    The widespread use of mixed-signal based systems in conjunction with the various bene ts provided by digital techniques have signi cantly increased the need for high resolution analog-to-digital (A/D) and digital-to-analog ...
  • Hardware interface for a 3-DOF surgical robot arm and a 6-DOF end effector 
    Atasoy, Ahmet. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    Robotic surgery aims minimum soft tissue damage and minimum operator intervention by employing automated, precise electro mechanical devices. In this project the hardware components of a surgical robot are integrated for ...
  • Investigation of the heating effect of MRI on the patients with metallic orthopaedic implant materials 
    Bilgin, Mehmet Salih. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1999., 1999.)
    It is increasingly becoming common that orthopaedic patients are having implant materials in their body. On the other hand MRI with its potential diagnostic value can not be utilised well on the patients with metal implants ...

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