Výsledky vyhledávání - "Computer Processing and Modeling"

Phase unwrapping with a rapid opensource minimum spanning tree algorithm (ROMEO) Autor Dymerska, Barbara, Eckstein, Korbinian, Bachrata, Beata, Siow, Bernard, Trattnig, Siegfried, Shmueli, Karin, Robinson, Simon Daniel

“…Purpose To develop a rapid and accurate MRI phase‐unwrapping technique for challenging phase topographies encountered at high magnetic fields, around metal…”
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Deep learning–based MR‐to‐CT synthesis: The influence of varying gradient echo–based MR images as input channels Autor Florkow, Mateusz C., Zijlstra, Frank, Willemsen, Koen, Maspero, Matteo, Berg, Cornelis A. T., Kerkmeijer, Linda G. W., Castelein, René M., Weinans, Harrie, Viergever, Max A., Stralen, Marijn, Seevinck, Peter R.

“…Purpose To study the influence of gradient echo–based contrasts as input channels to a 3D patch‐based neural network trained for synthetic CT (sCT) generation…”
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Tensor denoising of multidimensional MRI data Autor Olesen, Jonas L., Ianus, Andrada, Østergaard, Leif, Shemesh, Noam, Jespersen, Sune N.

“…Purpose To develop a denoising strategy leveraging redundancy in high‐dimensional data. Theory and Methods The SNR fundamentally limits the information…”
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Improved unsupervised physics‐informed deep learning for intravoxel incoherent motion modeling and evaluation in pancreatic cancer patients Autor Kaandorp, Misha P. T., Barbieri, Sebastiano, Klaassen, Remy, Laarhoven, Hanneke W. M., Crezee, Hans, While, Peter T., Nederveen, Aart J., Gurney‐Champion, Oliver J.

“…Purpose Earlier work showed that IVIM‐NETorig, an unsupervised physics‐informed deep neural network, was faster and more accurate than other state‐of‐the‐art…”
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Electrical properties based B1+ prediction for electrical properties tomography reconstruction evaluation Autor Meerbothe, Thierry G., Jung, Kyu‐Jin, Cui, Chuanjiang, Kim, Dong‐Hyun, Berg, Cornelis A. T., Mandija, Stefano

“…Purpose In MR electrical properties tomography (EPT), conductivity and permittivity are reconstructed from MR measurements. However, depending on the…”
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Toward more robust and reproducible diffusion kurtosis imaging Autor Henriques, Rafael N., Jespersen, Sune N., Jones, Derek K., Veraart, Jelle

“…Purpose The general utility of diffusion kurtosis imaging (DKI) is challenged by its poor robustness to imaging artifacts and thermal noise that often lead to…”
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KomaMRI.jl: An open‐source framework for general MRI simulations with GPU acceleration Autor Castillo‐Passi, Carlos, Coronado, Ronal, Varela‐Mattatall, Gabriel, Alberola‐López, Carlos, Botnar, René, Irarrazaval, Pablo

“…Click here for author‐reader discussions…”
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QSM reconstruction challenge 2.0: A realistic in silico head phantom for MRI data simulation and evaluation of susceptibility mapping procedures Autor Marques, José P., Meineke, Jakob, Milovic, Carlos, Bilgic, Berkin, Chan, Kwok‐Shing, Hedouin, Renaud, Zwaag, Wietske, Langkammer, Christian, Schweser, Ferdinand

“…Purpose To create a realistic in silico head phantom for the second QSM reconstruction challenge and for future evaluations of processing algorithms for QSM…”
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Extended phase graph formalism for systems with magnetization transfer and exchange Autor Malik, Shaihan J., Teixeira, Rui Pedro A.G., Hajnal, Joseph V.

“…Purpose An extended phase graph framework (EPG‐X) for modeling systems with exchange or magnetization transfer (MT) is proposed. Theory EPG‐X models coupled…”
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MAGORINO : Magnitude‐only fat fraction and R 2 estimation with Rician noise modeling Autor Bray, Timothy J. P., Bainbridge, Alan, Lim, Emma, Hall‐Craggs, Margaret A., Zhang, Hui

“…Click here for author‐reader discussions…”
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Model‐informed unsupervised deep learning approaches to frequency and phase correction of MRS signals Autor Shamaei, Amirmohammad, Starcukova, Jana, Pavlova, Iveta, Starcuk, Zenon

“…Click here for author‐reader discussions…”
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Fast and accurate calculation of myocardial T1 and T2 values using deep learning Bloch equation simulations (DeepBLESS) Autor Shao, Jiaxin, Ghodrati, Vahid, Nguyen, Kim‐Lien, Hu, Peng

“…Purpose To propose and evaluate a deep learning model for rapid and accurate calculation of myocardial T1/T2 values based on a previously proposed Bloch…”
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3D amplified MRI (aMRI) Autor Terem, Itamar, Dang, Leo, Champagne, Allen, Abderezaei, Javid, Pionteck, Aymeric, Almadan, Zainab, Lydon, Anna‐Maria, Kurt, Mehmet, Scadeng, Miriam, Holdsworth, Samantha J.

“…Purpose Amplified MRI (aMRI) has been introduced as a new method of detecting and visualizing pulsatile brain motion in 2D. Here, we improve aMRI by…”
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Current status in spatiotemporal analysis of contrast‐based perfusion MRI Autor Shalom, Eve S., Khan, Amirul, Van Loo, Sven, Sourbron, Steven P.

“…In perfusion MRI, image voxels form a spatially organized network of systems, all exchanging indicator with their immediate neighbors. Yet the current paradigm…”
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Improved liver fat and R2 quantification at 0.55 T using locally low‐rank denoising Autor Shu‐Fu Shih, Tasdelen, Bilal, Yagiz, Ecrin, Zhang, Zhaohuan, Zhong, Xiaodong, Cui, Sophia X, Nayak, Krishna S, Wu, Holden H

“…PurposeTo improve liver proton density fat fraction (PDFF) and R2*$$ {R}_2^{\ast } $$ quantification at 0.55 T by systematically validating the acquisition…”
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Placenta microstructure and microcirculation imaging with diffusion MRI Autor Slator, Paddy J., Hutter, Jana, McCabe, Laura, Gomes, Ana Dos Santos, Price, Anthony N., Panagiotaki, Eleftheria, Rutherford, Mary A., Hajnal, Joseph V., Alexander, Daniel C.

“…Purpose To assess which microstructural models best explain the diffusion‐weighted MRI signal in the human placenta. Methods The placentas of nine healthy…”
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Compressed sensing acceleration of radial 3‐D alternating Look‐Locker T1 mapping Autor Aarnio, Antti, Nykänen, Olli, Kolehmainen, Ville, Nissi, Mikko J.

“…Purpose To determine how various compressed sensing (CS) models can accelerate alternating Look‐Locker T1$$ {T}_1 $$ mapping. Methods An alternating…”
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Correcting pulse duration effects in the diffusional kurtosis of the multi‐compartment Kärger model Autor Jensen, Jens H.

“…Purpose To demonstrate a method of reducing pulse duration effects for the diffusional kurtosis of the multi‐compartment Kärger model (KM) as estimated with a…”
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Cross‐site harmonization of diffusion MRI data without matched training subjects Autor De Luca, Alberto, Swartenbroekx, Tine, Seelaar, Harro, van Swieten, John, Cetin Karayumak, Suheyla, Rathi, Yogesh, Pasternak, Ofer, Jiskoot, Lize, Leemans, Alexander

“…Purpose Diffusion MRI (dMRI) data typically suffer of significant cross‐site variability, which prevents naively performing pooled analyses. To attenuate…”
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Groupwise image registration with edge‐based loss for low‐SNR cardiac MRI Autor Lei, Xuan, Schniter, Philip, Chen, Chong, Ahmad, Rizwan

“…ABSTRACT Purpose The purpose of this study is to perform image registration and averaging of multiple free‐breathing single‐shot cardiac images, where the…”
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