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Manyetik rezonans görüntüleme (Mrg) sistemiyle uyumlu, programlanabilir akım kaynağı geliştirilmesi
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TVRRMU1UazU.pdf
Date
2014
Author
Eyüboğlu, Behçet Murat
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https://app.trdizin.gov.tr/publication/project/detail/TVRRMU1UazU
https://hdl.handle.net/11511/50502
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Department of Electrical and Electronics Engineering, Project and Design
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Electrical conductivity of biological tissues is a distinctive property which differs among tissues. It also varies according to the physiological and pathological state of tissues. Furthermore, in order to solve the bioelectric field problems accurately, electrical conductivity information is essential. Magnetic Resonance Electrical Impedance Tomography (MREIT) technique is proposed to image this information with high spatial resolution. However, almost all MREIT algorithms proposed to date assumes isotrop...
Development of reconstruction algorithms for magnetic resonance-electrical impedance tomography and experimental realization
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The electrical properties of biological tissues differ among tissues and vary with physiological and pathological state of a solution of bioelectrical field problems. The aim of this study is to reconstruct conductivity images with higher resolution and better accuracy than existing conductivity imaging tech niques. In order to achieve our goal, we proposed a technique named as Mag netic Resonance-Electrical Impedance Tomography (MR-EIT). MR-EIT com bines peripheral voltage measurements of classical Electri...
Optimum current injection strategy for magnetic resonance electrical impedance tomography
Altunel, Haluk; Eyüboğlu, Behçet Murat; Department of Electrical and Electronics Engineering (2008)
In this thesis, optimum current injection strategy for Magnetic Resonance Electrical Impedance Tomography (MREIT) is studied. Distinguishability measure based on magnetic flux density is defined for MREIT. Limit of distinguishability is analytically derived for an infinitely long cylinder with concentric and eccentric inhomogeneities. When distinguishability limits of MREIT and Electrical Impedance Tomography (EIT) are compared, it is found that MREIT is capable of detecting smaller perturbations than EIT. ...
Manyetik Rezonans Tabanlı Elektrik Akımı ve İletkenlik Görüntüleme
Eyüboğlu, Behçet Murat (null; 2019-11-06)
Vücut içinde dokuların elektriksel özelliklerinin birbirinden farklı olduğu, bu özelliklerin dokuların sağlıklı olması ya da olmaması ve fizyolojik işlevleri ile değiştiği bilinmektedir. Buradan hareketle, 1980’li yıllarda Sheffield Üniversitesi’nde vücut yüzeyine yerleştirilen elektrotlar aracılığıyla dokuların elektriksel empedanslarının ölçülmesiyle, doku iletkenlik dağılımı görüntülerinin oluşturulduğu Elektriksel Empedans Tomografisi (EET) yöntemi geliştirilmiştir [1]. Günümüzde bazı klinik uygulamalar...
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B. M. Eyüboğlu, “Manyetik rezonans görüntüleme (Mrg) sistemiyle uyumlu, programlanabilir akım kaynağı geliştirilmesi,” 2014. Accessed: 00, 2020. [Online]. Available: https://app.trdizin.gov.tr/publication/project/detail/TVRRMU1UazU.