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229 Results for 'Medical Imaging'
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Technology
METHOD AND APPARATUS FOR OPTIMIZING THE USE OF CONTRAS
A UW-Madison researcher developed a method of optimizing the amount of contrast agent used in imaging. The method establishes a quantitative measure of contrast enhancement in contrast medical imagin...
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Timothy Szczykutowicz | P190206US01
Technology
SYSTEM AND METHOD FOR SIMULTANEOUS ACQUISITION OF CONTRAST DYNAMICS AND ANATOMICAL IMAGES
UW researchers have developed an x-ray imaging technique that can capture diagnostic quality angiographic images and contrast media kinetics in a single scan, while reducing patient radiation dose and...
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Michael Speidel, Paul Laeseke, Carson Hoffman, Joseph Whitehead | P220145US01
Technology
SYSTEM AND METHOD FOR DIFFUSION MAPPING USING PHASEMODULATED MAGNETIC RESONANCE IMAGING
UW Researchers have developed a novel MRI diffusion mapping method using phase-based diffusion mapping (PBD.) The technique provides a novel way to measure the apparent diffusion coefficient (ADC) of ...
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Daiki Tamada, Scott Reeder | P220163US01
Technology
MONITORING AIRFLOW WITH B-MODE ULTRASOUND
UW-Madison researchers have developed a method and system for monitoring or quantifying airflow changes in a subject’s airway using B-mode ultrasound. Their approach is compatible with existing ...
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Guelay Bilen-Rosas, Humberto Rosas, Irene Ong | P200319WO01
Technology
Intermetallic Compounds Of Cobalt As Targets For The Production Of Theranostic Radionuclides
UW Madison researchers have developed cobalt intermetallic compounds that include cobalt and a second element. The isotopes of the second element in the compounds are present in their natural isotopic...
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Paul Ellison, Robert Nickles, Todd Barnhart, Jonathan Engle, Christopher Kutyreff | P190208US02
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 CONTROLLING CONCOMITANT GRADIENT PHASE ERRORS IN CHEMICAL-SHIFT ENCODED IMAGING
A UW-Madison researcher has devised a novel complex fitting method that addresses concomitant gradient (CG) phase errors in chemical shift-encoded (CSE) MRI estimation of proton density fat fraction (...
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Nathan Roberts | P210441US01
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
Depth-resolved Fluorescence Instrument With Angled Excitation
A fluorescence instrument illuminates the surface of tissue with light of a selected wavelength and light emanating from the tissue due to fluorescence is collected. The angle of illumination of tissu...
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Nirmala Ramanujam, Changfang Zhu, Liu Quan | P05132US
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
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 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
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 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
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
ULTRASONIC ELASTOGRAPHY WITH ANGULAR COMPOUNDING
Ultrasonic strain measurements, which characterize the structure of tissue, may be obtained by combining multiple echo signals acquired at different compressions and at different angles. Such angular ...
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James Zagzebski, Tomy Varghese | P03415US
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
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
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
Determining A Class Type Of A Sample By Clustering Locally Optimal Model Parameters
A method for characterizing a sample includes acquiring a trace signal for the sample. A set of configurations is generated for defining modeling signals to model the trace signal. Each modeling signa...
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Amos Ron, Shengnan Wang | P150082US02