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Konu "Magnetic resonance imaging." için Biyomedikal Mühendisliği Enstitüsü listeleme

Konu "Magnetic resonance imaging." için Biyomedikal Mühendisliği Enstitüsü listeleme

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  • A fiducial-based automatic registration method for X-ray imaging fused with MRI 
    Sönmez, Merdim. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2008., 2008.)
    X-ray fluoroscopy is widely used in image-guided interventions especially in catheter-based interventions. X-ray fluoroscopy provides high temporal and spacial resolution, but it suffers from low soft tissue contrast. On ...
  • A novel design of MRI visible prostate biopsy needle 
    Kasacı, Gökçe. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2017., 2017.)
    A reliable diagnosis is vital to apply the proper treatment for prostate cancer. Conventional prostate biopsy methods have limited accuracy for the diagnosis. Magnetic Resonance Imaging (MRI) provides superior anatomical ...
  • Advanced computational tools for real-time MR imaging 
    Saybaşılı, Haris. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)
    Real-time Magnetic Resonance Imaging (MRI) has the potential of successfully guiding interventional applications. Overall, the requirements of real-time MRI can be categorized as: (i) fast data acquisition, (ii) fast image ...
  • Advanced registration tools for XFM 
    Durmaz, Fevzi Aytaç. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    Minimally invasive therapies are very common in today's healthcare. Many procedures which require invasive surgery, with its associated long recovery times and high cost, can now be performed more e ectively, with less ...
  • Assessment of local muscle deformations using multi-modal imaging and finite element modeling 
    Pamuk, Uluç. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)
    In vivo assessment of muscle deformations, including influence of non-muscular tissues such as NVTs, aponeuroses, fasciæ or overlying skin, is key due to functional relevance of tissue connectivity within limb. In integral ...
  • Automatic postprocessing and reporting tools for functional neuroimaging 
    Demirel, Engin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    For advanced magnetic resonance imaging (MRI) applications, reporting and postprocessing tools have been designed. The software tools developed consist of DICOM structured report (DICOM SR) preparation, functional image ...
  • Breastis :|a software tool for flexible breast MRI analysis 
    Bayrambaş, Başak. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)
    Magnetic resonance imaging of breast provides valuable information about breast tissue composition. A common breast MRI protocol may include dynamic contrast enhanced (DCE) MRI, diffusion weighted MRI (DWI) and proton MR ...
  • 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 ...
  • Clinical grade active guidewire and catheter for interventional cardiovascular MRI 
    Kocatürk, Özgür. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)
    The success and safety of interventional magnetic resonance imaging (MRI) procedures requires conspicuous intravascular instruments that can be distinguished from surrounding tissues. In this dissertation work, an "active" ...
  • Clinical grade medical device technologies for interventional cardivascular magnetic resonance imaging procedures 
    Yıldırım, Dursun Korel. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Magnetic Resonance Imaging (MRI) is a promising candidate against X-ray fluoroscopy for the image-guidance of minimally invasive procedures thanks to its ion izing radiation-free, exquisite soft tissue contrast and ability ...
  • Correlation between fMRI and source reconstructed EEG of steady state visual evoked potentials 
    Eryılmaz, Hüseyin Hamdi. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)
    Electroencephalography (EEG) is a common technique for studying and understanding the functioning of the brain. In addition, functional Magnetic Resonance Imaging (fMRI), in the recent years has been a very conventional ...
  • Customizable TDI-based whole body X-ray scanner 
    Durmaz, Fevzi Aytaç. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2020., 2020.)
    Medical X-ray systems are the gold standard in certain cases of medical diagnostics for over 100 years. The main scope of our studies is to develop a new full-body X-ray scanner device using line scanner detectors, and a ...
  • Deformation along human medial gastrocnemius muscle fibers in vivo during low-level plantar flexion activity 
    Arpak, Arda. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2017., 2017.)
    Mechanical behavior of skeletal muscle has been previously shown to be determined by the interactions between contractile elements of the muscle and the extracellular matrix. Moreover, in the level of a whole limb, ...
  • Detailed analysis of voxel based morphometry 
    Okur, Özlem Özmen. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)
    Voxel Based Morphometry, VBM, is one of the most widely used brain morphometry methods which aims to reveal the structural differences between the brain MR images of different populations. It is a whole brain and fully ...
  • Development of software tools for improved 1H magnetic resonance spectroscopic imaging 
    Cengiz, Sevim. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022.)
    Proton magnetic resonance spectroscopic imaging (1H-MRSI) provides a non invasive, spatially resolved evaluation of brain metabolism. In the first part of this study, an open-source data analysis software, which includes ...
  • Effects of repetitive retinotopic stimulus on visual cortex fMRI signal 
    Hamamcı, Andaç. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2006., 2006.)
    The aim of this study is to investigate the effects of the repetitive stimuluson the retinotopic functional magnetic resonance imaging results obtained. Screenprojectorsystem is constructed to show visual stimulus to ...
  • Evaluation of renal function using first pass contrast enhanced MRI 
    Saldoğan, Okan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Magnetic Resonance Imaging (MRI) of the kidney has a great potential because the functional parameters, which can be investigated obtained noninvasively are multiple: glomerular filtration, tubular concentration and transit, ...
  • Fiber optic based force sensor design for prostate biopsy procedure under MRI 
    Ülgen, Nurettin Okan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2018., 2018.)
    Fabry-Pérot Interferometry (FPI) fiber optic sensors with low error ratio and high sensitivity can provide reliable feedback to optimize needle insertion for MRIguided prostate biopsy. FPI based force sensing has also ...
  • Human muscle structure-function relation in-vivo using magnetic resonance imaging modalities 
    Karakuzu, Agah. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)
    Non-uniform muscle deformation has become a frequent finding in biomechanics research, using imaging modalities operating at different resolution levels from sarcom eres to fascicles. Mainly due to technical limitations, ...
  • Identification of arterial input function in perfusion imaging with MR angiography-supported semi-automatic method 
    Büyüksaraç, Bora. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2018., 2018.)
    This thesis aims to improve arterial input function (AIF) selection in DSC-MRI by using the information gathered through magnetic resonance angiography (MRA) and cluster analysis of the concentration time curve (CTC) ...