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System and Method for Streak Reduction in MRI
This technology is a new technique for Magnetic Resonance Imaging (MRI) reconstruction that reduces or eliminates streaking in radial MRI images without significant signal loss. It can be used on its own or working together with existing streak reduction techniques, such as iterative reconstruction.
Background:
Radial sampling (as opposed to Cartesian...
Published: 8/1/2024
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Inventor(s): Ali Bilgin, Zhiyang Fu, Maria Altbach
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Life Sciences > Diagnostics
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Radial Streaking Artifact Reduction Using Phased Array Beamforming
This invention is a method and software for mitigating the streaking artifact in radial magnetic resonance imaging (MRI). After being tested on MRI scanners and compared to current coil based methods, this new method, known as B-STAR, utilizes phased array beamforming and reduces streak artifacts without any noticeable loss in signal levels.
Background:...
Published: 9/27/2024
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Inventor(s): Sagar Mandava, Maria Altbach, Ali Bilgin, Diego Martin, Mahesh Keerthivasan
Keywords(s):
Category(s): Technology Classifications > Software & Information Technology > Health IT, Technology Classifications > Imaging & Optics > Medical Imaging
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Radial Fast Spin-Echo (FSE) MRI Pulse Sequence
This invention is a software method that combines radial imaging (taking MRI data radially--from the center, out) with fast spin-echo (FSE) imaging to create faster, more accurate images.
This technology has been demonstrated to effectively image human brains, abdominal regions, and livers.
Background:
Magnetic Resonance Imaging (MRI) is a very useful...
Published: 4/3/2023
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Inventor(s): Maria Altbach, Theodore Trouard, Arthur Gmitro
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging
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Tissue Characterization with Partial Volume Correction Using Highly Undersampled Data and a Joint Fitting Algorithm
This technology provides techniques to a fast and accurate parameter estimation in the presence of partial volume from MRI data acquired. A specific technique application for liver lesion imaging is provided in this invention. The inventors employ Joint Bi-Exponential Fitting (JBF) algorithm in context of T2 estimation for small structure determination...
Published: 8/23/2024
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Inventor(s): Maria Altbach, Ali Bilgin, Chuan Huang, Christian Graff
Keywords(s): joint estimation, parameter estimation, partial volume correction
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging
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