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253 Results for 'Medical Imaging'
PAGE 3 OF 11
Technology
SYSTEM AND METHOD FOR QUANTITATIVE BLOOD VOLUME IMAGING
UW inventors have devised a new method to provide quantitative lung perfusion imaging using spectral CT imaging. Â Data acquired using DE-CT, or single kV, is post-processed using a trained algorithm ...
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Guang-Hong Chen, Ke Li, Thomas Grist | P210311US01
Technology
Rf Coil Assembly And Method For Practicing Magnetization Transfer On Magnetic Resonance Imaging And
An RF coil assembly for an MRI system includes a resonator formed by a cylindrical shield and pairs of opposing conductive legs disposed symmetrically around a central axis and extending the axial len...
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Sean Fain, Matthew Erickson, Krishna Kurpad, James Holmes, Thomas Grist | P06257US
Technology
Generalized Method For Mri Chemical Species Separation Using Arbitrary K-space Trajectories
A method for producing images of a subject containing M spin species using a magnetic resonance imaging (MRI) system includes obtaining N k-space data matrices from N k-space data sets acquired with t...
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Scott Reeder | P07261US
Technology
Magnetic Resonance Imaging Data Sampling Methods And Systems
A magnetic resonance imaging data sampling method includes randomly undersampling a first half of a k-space plane such that a plurality of points in the first half are sampled points and the remaining...
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Kang Wang, Frank Korosec, James Holmes, Peng Lai | P120134US01
Technology
Localized And Highly Constrained Image Reconstruction Method
An image reconstruction method includes reconstructing a composite image of a subject using a conventional reconstruction method. The composite image employs the best information available regarding t...
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Charles Mistretta, Julia Velikina, Kevin Johnson | P07274US
Technology
Method For Accelerating Mri/ct Scans Using Reconstruction With A Priori Information
An image reconstruction method applicable to a number of different imaging modalities including magnetic resonance imaging (MRI), x-ray computed tomography (CT), positron emission tomography (PET), an...
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Alexey Samsonov, Walter Block, Huimin Wu | P07417US
Technology
Method For Correcting Phase Offsets In Quantitative Chemical Shift Encoded Magnetic Resonance Imaging
Systems and methods for correcting phase errors in chemical shift encoded data are described. The technique is self-calibrated, without the need for specialized calibration data, and therefore may ena...
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Diego Hernando Arribas | P160302US01
Technology
System For Characterizing Brain Condition
A sensitive measure of brain condition simultaneously evaluates multiple measurements of water diffusion in brain tissue combined so as to correct for covariance between the different data types of th...
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Andrew Alexander, Douglas Dean, Gregory Kirk, Brittany Travers | P160358US01
Technology
System And Method For High-Temporal Resolution, Time-Resolved Cone Beam Ct Angiography
A system and method for reconstructing an image using a cone-beam computed tomography (CT) imaging system includes acquiring data from a subject with the CT imaging system using a limited scan range t...
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Guang-Hong Chen, Charles Strother | P160332US01
Technology
Computerized System For Efficient Augmentation Of Data Sets
A method of improving data sets, for example, of patients, each being characterized by relatively low-cost medical data, identifies those patients where the acquisition of higher cost medical data wou...
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Vikas Singh, Sterling Johnson, Adluru Venkata Raja Nagesh Sharma, Seong Jae Hwang, Won Hwa Kim | P170032US01
Technology
A Deep Learning Based Data-Driven Approach For Attenuation Correction Of Pet Data
The present disclosure includes systems and methods for creating positron emission tomography (PET) images. The method includes receiving at least one PET image of a subject created from PET data acqu...
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Richard Kijowski, Hyungseok Jang, Tyler Bradshaw, Fang Liu, Alan McMillan | P180002US01
Technology
System And Method For Stimulated Echo Based Mapping (Stem) Using Magnetic Resonance Imaging (Mri)
A system and method are provided for acquiring a plurality of differently-weighted images of a subject using a single pulse sequence. The method includes determining imaging parameters for a pulse seq...
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Diego Hernando Arribas, Yuxin Zhang | P180223US01
Technology
System And Method For Determining Dynamic Physiological Information From Four-Dimensional Angiographic Data
A system and method are provided for generating time resolved series of angiographic volume data having flow information. The system and method are configured to receive angiographic volume data acqui...
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Charles Mistretta, Charles Strother, Gabriel Shaughnessy | P160068US01
Technology
System And Method For Controlling Undesired Magnetic Field Effects In Magnetic Resonance Imaging
A system and method are provided for determining a spatial distribution of susceptibility in a subject using a magnetic resonance imaging (MRI) system. The method includes directing the MRI system to ...
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Debra Horng | P160173US01
Technology
System And Method For Simultaneous Image Artifact Reduction And Tomographic Reconstruction Of Images Depicting Temporal Contrast Dynamics
Described here is a system and method for image reconstruction that can automatically and iteratively produce multiple images from one set of acquired data, in which each of these multiple images corr...
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Guang-Hong Chen | P160119US01
Technology
System And Method For Denoising Medical Images By Enforcing Low Rank Spatial-Temporal Or Spatial-Spectral Image Matrices
Systems and methods for generating one or more denoised images from a series of noisy images acquired with a medical imaging system are described. In general, the systems and methods described here im...
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Guang-Hong Chen | P160120US01
Technology
System And Method For Resolving Artifacts In Four-Dimensional Angiographic Data
A system and method are provided for medical imaging that includes acquiring, during a common imaging acquisition process, rotational, x-ray volume image data and x-ray tomosynthesis image data from a...
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Charles Mistretta, Michael Speidel, Jordan Slagowski | P160046US01
Technology
Fluoroscopy System Resolving Slowly Evolving Conditions
A fluoroscopy machine allows programming of a frame rate in the range of multiple seconds per frame and then displays the images at a higher rate in a loop in the radiological theater so as to impart ...
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Myron Pozniak | P160391US01
Technology
Image-Guided Biopsy Techniques
A system and method for providing virtual real-time MRI-guidance for a biopsy outside of a conventional MRI scanner is described. MR images and ultrasound images of a region of a patient's body ar...
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Bryan Bednarz, James Holmes, Roberta Strigel, Thomas Foo, L Smith, Warren Lee, David Mills, Jhimli Mitra, Bo Wang | P180015US01
Technology
System And Method For Control Of Hyperpolarized Gas-Phase Contamination In Spectroscopic Magnetic Resonance Imaging
A system and method is provided to acquire images of a subject having received a tissue soluble hyperpolarized gas into the airways. The method includes performing a pulse sequence including (i) for e...
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Sean Fain, Andrew Hahn, Jeffrey Kammerman | P170140US01
Technology
System And Method Of Quantitative Angiography
Methods and systems are provided for generating quantitative computed tomography (CT) angiographic images using imaging systems that acquire a set of projection views forming CT angiographic image dat...
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Charles Mistretta, Charles Strother | P180044US01
Technology
System And Method For Electron Paramagnetic Resonance Imaging Using Transmission Lines To Generate Traveling Waves
A system and method for an electron paramagnetic resonance imaging (EPRI) system includes a magnet configured to apply a static magnetic field to a subject to be imaged and a gradient coil configured ...
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Nader Behdad, Alan McMillan, Bahareh Behzadnezhad | P170203US01
Technology
Imaging Method Using Magnetic Elements And Device For This Purpose
Method for imaging regions of a sample using a light source and an optical detection means and at least one device for moving the sample in three dimensions, comprising the following method steps: a) ...
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Jan Huisken, Gopi Shah | P170380US01
Technology
Ophthalmic Photothermal Optical Coherence Tomography Apparatus
An optical coherence tomography system for ophthalmic use identifies tissue by selected laser heating of that tissue at reduced power levels decreasing background noise to boost signal-to-noise ratio ...
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Melissa Skala, Maryse Lapierre-Landry, Yuankai Tao | P180214US01
Technology
System And Method For Non-Invasive, Quantitative Measurement Of Blood Flow Parameters In Vascular Networks
A system and method are provided for generating time resolved series of angiographic volume data having flow information. The system and method are configured to receive angiographic volume data acqui...
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Gabriel Shaughnessy | P180127US01