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62 Results for 'CT'
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Technology
AUTOMATED CT CONTRAST DETECTION
UW researchers have developed a technology for automatically determining whether a CT image was taken with or without contrast media. The technology uses a segmentation to isolate voxels of a vascula...
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John Garrett, Perry Pickhardt, Bryan Pooler | P230127US01
Technology
SYSTEMS AND METHODS FOR CONTROLLING PILEUP LOSSES IN COMPUTED TOMOGRAPHY
Photon counting detector CT (PCD-CT) has been featured as one of the most important advances in low dose CT imaging due to its powerful noise rejection functionality in addition to other advantages su...
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Ke Li, Kevin Treb | P230043US01
Technology
SYSTEM AND METHOD FOR PERCUTANEOUS NEEDLE INSERTION
UW-Madison researchers have developed a system and method for evaluating percutaneous needle pathways. Implemented in software, the system provides an automatic segmentation of local tissue structures...
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Martin Wagner, Fred Lee, James Hinshaw, Giuseppe Toia, Meridith Kisting | P230141US01
Technology
SYSTEM AND METHOD FOR CONTROLLING ZERO-COUNT ERRORS IN COMPUTED TOMOGRAPHY
UW Madison inventors have developed methods to properly address the zero-count problem in ultra-low radiation dose photon counting CT imaging that includes acquiring or accessing CT data of a subject,...
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Guang-Hong Chen, Ke Li | P230046US01
Technology
SYSTEMS AND METHODS FOR CONTROLLING SCATTER IN COMPUTED TOMOGRAPHY DATA
UW-Madison researchers have developed a novel data acquisition method, called “Mohi-Polo”. The method eliminates scatter radiation in photon counting CT imaging systems to minimize scatter artifa...
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Guang-Hong Chen, Ran Zhang, Ke Li | P230044US01
Technology
SYSTEMS AND METHODS FOR IMPROVED COMPUTED TOMOGRAPHY USING PHOTON-COUNTING DETECTORS
UW researchers present a novel hybrid photon counting detector for imaging. The novel design addresses the fundamental limitations of current silicon PCD technology by replacing the metallic spacers ...
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Ke Li, Guang-Hong Chen | P220199US01
Technology
SYSTEM AND METHOD FOR LOW-DOSE MULTI-PHASIC COMPUTED TOMOGRAPHY IMAGING OF THE KIDNEYS
A UW-Madison researcher has developed a method to generate diagnostic quality nephrographic phase images from a single (using dual-energy) or two conventional CT urography acquisitions. The meth...
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Andrew Wentland | P220266US01
Technology
Optimizing the Use of Contrast Agents During Medical Imaging
The successful use of contrast agents in volumetric imaging, such as intravenous iodinated agent in computed tomography (CT), is guided by sophisticated protocols. Poor contrast enhancement is related...
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Timothy Szczykutowicz | P190206US01
Technology
SYSTEM AND METHOD FOR FLOW-RESOLVED, THREE-DIMENSIONAL IMAGING
UW-Madison researchers have developed a method for 4D (3D + time) reconstruction of arterial blood flow and subsequent quantitative evaluation of local blood flow and velocities from a single contrast...
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Martin Wagner, Paul Laeseke, Michael Speidel | P210345US01
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. Data acquired using DE-CT, or single kV, is post-processed using a trained algori...
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Guang-Hong Chen, Ke Li, Thomas Grist | P210311US01
Technology
Calculation Of Additional Projection Data From Projection Data Acquired With A Divergent Beam
A data consistency condition is derived for an array of attenuation values acquired with a divergent beam. Using this data consistency condition, estimates of selected attenuation values can be calcul...
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Guang-Hong Chen | P06161US
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
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
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
Technology
Systems And Methods For Artifact Removal For Computed Tomography Imaging
An imaging system includes a computed tomography (CT) acquisition unit and at least one processor. The CT acquisition unit includes an X-ray source and a CT detector configured to collect CT imaging d...
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Guang-Hong Chen, Jiang Hsieh | P150065US01
Technology
System And Method For Spectral Computed Tomography Using Single Polychromatic X-Ray Spectrum Acquisition
A system and method for material decomposition of a single energy spectrum x-ray dataset includes accessing the single energy spectrum x-ray dataset, receiving a userselection of a desired energy for ...
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Guang-Hong Chen, Yinsheng Li | P200043US01
Technology
System And Method For Reconstructing Image Volumes From Sparse Two-Dimensional Projection Data
A system and method for acquiring medical images of a subject includes performing two-dimensional (2D) scan of a subject using a medical imaging system to acquire 2D data from at least two view angles...
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Guang-Hong Chen, Juan Montoya, Thomas Grist | P180372US02
Technology
Systems And Methods For Determining Vascular Velocity Using Medical Imaging
A system and method are provided for determining vascular velocity using non-invasively acquired medical images. The method includes reconstructing CT angiography (CTA) data into a plurality of images...
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Charles Mistretta, Martin Wagner | P190288US02
Technology
Methods And Systems For Determining Vascular Velocity Using Ct Imaging
Systems and methods for estimating arterial flow information can include a processor generating a time attenuation sequence for each point of a pair of points along a segment of a coronary artery stru...
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Charles Mistretta, Martin Wagner | P190287US02
Technology
System And Methods For Ultra Low Does Ct Fluoroscopy
According to at least one aspect, a method for computed tomography (CT) fluoroscopy can include acquiring a plurality of pairs of projections of an interventional device using CT fluoroscopy. Each pai...
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Charles Mistretta, Fred Lee | P190286US02
Technology
Airway Mucus Impaction
Provided herein are, inter alia, methods and systems for detecting mucus in the lungs of a subject. Aspects provide methods and systems for the diagnosis, prognosis, characterization, detection, and t...
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Scott Nagle, Mark Schiebler, John Fahy, Eleanor Dunican, David Gierada, John Newell, Brett Elicker | P160386US02
Technology
Apparatus For Tomography Repeat Rate/Reject Rate Capture
A system for capturing possible repeats or rejections of images occurring during tomographic imaging accommodates the wide variety of imaging protocols by providing groupings of common imaging protoco...
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Timothy Szczykutowicz, Benjamin Viggiano, Sean Rose | P190188US01
Technology
System For Harmonizing Medical Image Presentation
A system for processing medical image data stores high information content volumetric (HICV) data reconstructed from different medical imaging devices. Images normally requiring differing image imagin...
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Timothy Szczykutowicz | P190135US01
Technology
System And Method For Multi-Architecture Computed Tomography Pipeline
A system and method for reconstructing an image of a subject acquired using a tomographic imaging system includes at least one computer processor configured to form an image reconstruction pipeline. T...
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Guang-Hong Chen, Yinsheng Li | P180112US02
Technology
System And Method For Using Non-Contrast Image Data In Ct Perfusion Imaging
A system and method for generating a parametric map of a subject’s brain includes receiving non-contrast computed tomography (NCCT) imaging data and receiving computed tomography perfusion (CTP) dat...
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Ke Li | P200260US01