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Backprojection Method for 3D Image Reconstruction

Unmet NeedComputed tomography (CT) use has dramatically increased over the past 20 years such that around 31% of primary care patients undergo CT scans every year. All CT scans employ “back-projection” as the basic computational method to relate 2D detector signal values into a 3D re-construction. However, image reconstruction sometimes leads to noise...

Published: 9/27/2024 | Inventor(s): Jeffrey Siewerdsen, Alejandro Sisniega, Joseph Stayman

Keywords(s): Image Display Hardware, Image Display Software, Imaging and Sensing Systems, In Vivo Medical Imaging, Integrated Imaging System

Category(s): Technology Classifications > Computers, Electronics & Software > Image Processing & Analysis, Technology Classifications > Computers, Electronics & Software > Machine Learning, Technology Classifications > Medical Devices > Imaging

Fiber-optic Methods and Devices Enabling Multiphoton Imaging with Improved Signal-to-Noise Ratio

We report the development of a single-fiber based scanning device (termed as endomicroscope) and system capable of performing high-resolution optical imaging of biological tissues with multiphoton excitation. The imaging device is fiber-optically based and is flexible with a small footprint (~2 mm in diameter), and the entire imaging system is compact...

Published: 9/26/2024 | Inventor(s): Xingde Li, Yicong Wu, Wenxuan Liang

Keywords(s): Image Display Hardware, Image Display Software, Image Processing Hardware, Image Processing Software, Imaging and Sensing Systems, Imaging Modality, Imaging Probe/Transducer, In Vivo Medical Imaging, Integrated Imaging System, Multi-photon Microscopy

Category(s): Technology Classifications > Computers, Electronics & Software, Technology Classifications > Computers, Electronics & Software > Image Processing & Analysis, Technology Classifications > Medical Devices > Imaging, Technology Classifications > Medical Devices

Method to Measure Wall Motion and Wall Thickness Using Contrast Enhanced Fluoroscopy

C11284 Method to Measure Wall Motion and Wall Thickness Using Contrast Enhanced Fluoroscopy BackgroundMost invasive angiograms end in the measurement of heart function by performing a ventriculogram. Performance of left ventriculography (LVG) requires additional contrast agent (about 30 – 40ml), catheter and time. Scientists at Johns Hopkins...

Published: 9/26/2024 | Inventor(s): Joao A. C. Lima, Hisato Takemoto, Takuya Sakaguchi, Jeff Trost, Richard George

Keywords(s): Atherosclerosis, Cardiovascular Diseases, Disease Indication, Fluoroscopy, Image Display Hardware, Image Display Software, Image Processing Software, Imaging and Sensing Systems, Imaging Modality, In Vivo Medical Imaging, Vascular Diseases

Category(s): Clinical and Disease Specializations, Clinical and Disease Specializations > Cardiovascular > Atherosclerosis, Clinical and Disease Specializations > Cardiovascular > Vascular Diseases, Technology Classifications > Computers, Electronics & Software, Technology Classifications > Computers, Electronics & Software > Image Processing & Analysis, Technology Classifications > Medical Devices > Imaging, Clinical and Disease Specializations > Cardiovascular, Technology Classifications > Medical Devices