Search Results - "Deniz, Cem M."
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Deep learning applications in osteoarthritis imaging
Published in Skeletal radiology (01-11-2023)“…Deep learning (DL) is one of the most exciting new areas in medical imaging. This article will provide a review of current applications of DL in osteoarthritis…”
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Specific absorption rate implications of within‐scan patient head motion for ultra‐high field MRI
Published in Magnetic resonance in medicine (01-11-2020)“…Purpose This study investigates the implications of all degrees of freedom of within‐scan patient head motion on patient safety. Methods Electromagnetic…”
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Prediction of total knee replacement using deep learning analysis of knee MRI
Published in Scientific reports (28-04-2023)“…Current methods for assessing knee osteoarthritis (OA) do not provide comprehensive information to make robust and accurate outcome predictions. Deep learning…”
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System and SAR characterization in parallel RF transmission
Published in Magnetic resonance in medicine (01-05-2012)“…The markedly increased degrees of freedom introduced by parallel radiofrequency transmission presents both opportunities and challenges for specific absorption…”
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The impact of data augmentation and transfer learning on the performance of deep learning models for the segmentation of the hip on 3D magnetic resonance images
Published in Informatics in medicine unlocked (2024)“…Different pathologies of the hip are characterized by the abnormal shape of the bony structures of the joint, namely the femur and the acetabulum…”
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The International Workshop on Osteoarthritis Imaging Knee MRI Segmentation Challenge: A Multi-Institute Evaluation and Analysis Framework on a Standardized Dataset
Published in Radiology. Artificial intelligence (01-05-2021)“…To organize a multi-institute knee MRI segmentation challenge for characterizing the semantic and clinical efficacy of automatic segmentation methods relevant…”
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Parallel Transmission for Ultrahigh Field MRI
Published in Topics in magnetic resonance imaging (01-06-2019)“…ABSTRACTMagnetic resonance imaging (MRI) has been driven toward ultrahigh magnetic fields (UHF) in order to benefit from correspondingly higher signal-to-noise…”
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Prediction of Total Knee Replacement and Diagnosis of Osteoarthritis by Using Deep Learning on Knee Radiographs: Data from the Osteoarthritis Initiative
Published in Radiology (01-09-2020)“…Background The methods for assessing knee osteoarthritis (OA) do not provide enough comprehensive information to make robust and accurate outcome predictions…”
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Segmentation of the Proximal Femur from MR Images using Deep Convolutional Neural Networks
Published in Scientific reports (07-11-2018)“…Magnetic resonance imaging (MRI) has been proposed as a complimentary method to measure bone quality and assess fracture risk. However, manual segmentation of…”
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Parallel transmission RF pulse design with strict temperature constraints
Published in NMR in biomedicine (01-05-2017)“…RF safety in parallel transmission (pTx) is generally ensured by imposing specific absorption rate (SAR) limits during pTx RF pulse design. There is increasing…”
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Synthesized tissue‐equivalent dielectric phantoms using salt and polyvinylpyrrolidone solutions
Published in Magnetic resonance in medicine (01-07-2018)“…Purpose To explore the use of polyvinylpyrrolidone (PVP) for simulated materials with tissue‐equivalent dielectric properties. Methods PVP and salt were used…”
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Transverse slot antennas for high field MRI
Published in Magnetic resonance in medicine (01-09-2018)“…Purpose Introduce a novel coil design using an electrically long transversely oriented slot in a conductive sheet. Theory and Methods Theoretical…”
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Finite element analysis applied to 3-T MR imaging of proximal femur microarchitecture: lower bone strength in patients with fragility fractures compared with control subjects
Published in Radiology (01-08-2014)“…To determine the feasibility of using finite element analysis applied to 3-T magnetic resonance (MR) images of proximal femur microarchitecture for detection…”
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Subject- and resource-specific monitoring and proactive management of parallel radiofrequency transmission
Published in Magnetic resonance in medicine (01-07-2016)“…Purpose Develop a practical comprehensive package for proactive management of parallel radiofrequency (RF) transmission. Methods With a constrained…”
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15
Attention-based CNN for KL Grade Classification: Data from the Osteoarthritis Initiative
Published in 2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI) (01-04-2020)“…Knee osteoarthritis (OA) is a chronic degenerative disorder of joints and it is the most common reason leading to total knee joint replacement. Diagnosis of OA…”
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Conference Proceeding -
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Radiofrequency energy deposition and radiofrequency power requirements in parallel transmission with increasing distance from the coil to the sample
Published in Magnetic resonance in medicine (01-01-2016)“…Purpose We investigated global specific absorption rate (SAR) and radiofrequency (RF) power requirements in parallel transmission as the distance between the…”
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Improved detection of fMRI activation in the cerebellum at 7T with dielectric pads extending the imaging region of a commercial head coil
Published in Journal of magnetic resonance imaging (01-08-2018)“…Background There is growing interest in detecting cerebro‐cerebellar circuits, which requires adequate blood oxygenation level dependent contrast and…”
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MRI of the hip at 7T: Feasibility of bone microarchitecture, high-resolution cartilage, and clinical imaging
Published in Journal of magnetic resonance imaging (01-06-2014)“…Purpose To demonstrate the feasibility of performing bone microarchitecture, high‐resolution cartilage, and clinical imaging of the hip at 7T. Materials and…”
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Heat equation inversion framework for average SAR calculation from magnetic resonance thermal imaging
Published in Bioelectromagnetics (01-10-2016)“…Deposition of radiofrequency (RF) energy can be quantified via electric field or temperature change measurements. Magnetic resonance imaging has been used as a…”
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Feasibility of three-dimensional MRI of proximal femur microarchitecture at 3 tesla using 26 receive elements without and with parallel imaging
Published in Journal of magnetic resonance imaging (01-07-2014)“…Purpose High‐resolution imaging of deeper anatomy such as the hip is challenging due to low signal‐to‐noise ratio (SNR), necessitating long scan times…”
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Journal Article