Výsledky vyhledávání - "Nishimura Dwight G"

Purpose: To develop a method for banding-free bSSFP cardiac cine with substantially reduced flow artifacts. Methods: A projection-reconstruction (PR) trajectory is proposed for a frequency-modulated cine sequence, facilitating reconstruction of three

Externí odkaz: http://arxiv.org/abs/2102.11428

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Anisotropic field-of-views in radial imaging

Autor: Larson, Peder E. Z., Gurney, Paul T., Nishimura, Dwight G.

Publikováno v: IEEE Trans Med Imaging. 2008 Jan;27(1):47-57. PMID: 18270061

Radial imaging techniques, such as projection-reconstruction (PR), are used in magnetic resonance imaging (MRI) for dynamic imaging, angiography, and short-imaging. They are robust to flow and motion, have diffuse aliasing patterns, and support short

Externí odkaz: http://arxiv.org/abs/2101.04660

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Akademický článek

Right coronary wall cmr in the older asymptomatic advance cohort: positive remodeling and associations with type 2 diabetes and coronary calcium

Autor: Courtney Brian K, Iribarren Carlos, Ehara Shoichi, Nishimura Dwight G, Shimakawa Ann, Meyer Craig H, Rubin Geoffrey D, Nguyen Patricia K, Terashima Masahiro, Go Alan S, Hlatky Mark A, Fortmann Stephen P, McConnell Michael V

Publikováno v: Journal of Cardiovascular Magnetic Resonance, Vol 12, Iss 1, p 75 (2010)

Abstract Background Coronary wall cardiovascular magnetic resonance (CMR) is a promising noninvasive approach to assess subclinical atherosclerosis, but data are limited in subjects over 60 years old, who are at increased risk. The purpose of the stu

Externí odkaz: https://doaj.org/article/0869308b27c347f4b141d1027689f049

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High-Resolution, Respiratory-Resolved Coronary MRA Using a Phyllotaxis-Reordered Variable-Density 3D Cones Trajectory

Autor: Koundinyan, Srivathsan P., Baron, Corey A., Malave, Mario O., Ong, Frank, Addy, Nii Okai, Cheng, Joseph Y., Yang, Phillip C., Hu, Bob S., Nishimura, Dwight G.

Purpose: To develop a respiratory-resolved motion-compensation method for free-breathing, high-resolution coronary magnetic resonance angiography using a 3D cones trajectory. Methods: To achieve respiratory-resolved 0.98 mm resolution images in a cli

Externí odkaz: http://arxiv.org/abs/1910.12199

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Unraveling the Effect of Spatial Resolution and Scan Acceleration on 3D Image-Based Navigators for Respiratory Motion Tracking in Coronary MR Angiography

Autor: Koundinyan, Srivathsan P., Cheng, Joseph Y., Malave, Mario O., Yang, Phillip C., Hu, Bob S., Nishimura, Dwight G., Baron, Corey A.

Purpose: To study the accuracy of motion information extracted from beat-to-beat 3D image-based navigators (3D iNAVs) collected using a variable-density cones trajectory with different combinations of spatial resolutions and scan acceleration factors

Externí odkaz: http://arxiv.org/abs/1910.12185

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Reconstruction of Undersampled 3D Non-Cartesian Image-Based Navigators for Coronary MRA Using an Unrolled Deep Learning Model

Autor: Malavé, Mario O., Baron, Corey A., Koundinyan, Srivathsan P., Sandino, Christopher M., Ong, Frank, Cheng, Joseph Y., Nishimura, Dwight G.

Purpose: To rapidly reconstruct undersampled 3D non-Cartesian image-based navigators (iNAVs) using an unrolled deep learning (DL) model for non-rigid motion correction in coronary magnetic resonance angiography (CMRA). Methods: An unrolled network is

Externí odkaz: http://arxiv.org/abs/1910.11414

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