Search Results - yali+jia

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Artificial Intelligence-Assisted Projection-Resolved Optical Coherence Tomographic Angiography (aiPR-OCTA)

Summary The current artificial intelligence algorithm removes projection artifacts in optical coherence tomographic angiography images and improves the signal-to-noise ratio. Technology Overview A major limitation of optical coherence tomography angiography (OCTA) are image artifacts, particularly projection artifacts, which make the detection of...

Published: 2/2/2024 | Inventor(s): Yali Jia, Jie Wang

Keywords(s): Imaging, Imaging - Other

Category(s): Imaging

Improved removal of projection artifacts in optical coherence tomographic angiography

Summary The current algorithm improves projection artifacts removal for more accurate optical coherence tomographic angiography (OCTA) scans and better quantitative detection and monitoring of vascular abnormalities. Technology Overview Projection artifacts are one of the significant limitations of OCTA imaging, and a reliable projection-resolved...

Published: 9/27/2023 | Inventor(s): Yali Jia, Jie Wang

Keywords(s): Diagnostics, Diagnostics - Other, Imaging, Imaging - Other

Category(s): Imaging, Diagnostics

Framework for 3D retinal pathology detection by OCT/OCT-angiography

Summary The current technology provides a platform for a fully-automated OCT-based 3D detection of retinal pathologies with significantly reduced processing requirements, which could allow for more wide-spread adoption of OCT/OCT-angiography 3D analysis. Technology Overview Optical coherence tomography (OCT) and its angiography can be used to provide...

Published: 3/1/2023 | Inventor(s): Yali Jia, Shaohua Pi

Keywords(s): Diagnostics, Imaging, Software, Software - Diagnostic/Detection

Category(s): Diagnostics, Imaging, Software

Fully-automated diabetic retinopathy (DR) screening based on OCT and its angiography

Summary The current technology provides a framework for a fully-automated deep-learning-based diabetic retinopathy screening that relies solely on optical coherence tomography (OCT) and its angiography, without the need for fundus photography or time-intensive clinical evaluation. Technology Overview Diabetic retinopathy (DR) is a leading cause of...

Published: 10/14/2022 | Inventor(s): Yali Jia, Pengxiao Zang

Keywords(s): Diagnostics, Imaging, Imaging - Other, Software, Software - Diagnostic/Detection

Category(s): Diagnostics, Imaging, Software

Quantification of vascular abnormality with OCT angiography

Summary Current OCT techniques are limited in their ability to accurately detect vasculature changes, and patients with retinal vascular diseases often require more invasive intravenous contrast dye-based angiography procedures. The current technology is an OCT-based non-injection, dye-free method that allows for 3D visualization of superimposed structural...

Published: 8/23/2023 | Inventor(s): David Huang, Yali Jia

Keywords(s): Diagnostics, Imaging, Imaging - Other, Software

Category(s): Diagnostics, Imaging, Software

Systems and methods for retinal capillary oximetry

Summary A system and method to assess the blood oxygen saturation in retinal vessels and capillaries, in high resolution. This invention can quantify the oxygen saturation in a single capillary using a non-invasive and dye-free technique. Technology Overview Altered oxygen supply is thought to be a critical factor underlying many retinal disorders...

Published: 10/3/2022 | Inventor(s): Yali Jia, Shaohua Pi

Keywords(s): Imaging - Other

Category(s): Imaging

Self-tracking real-time high-resolution wide-field OCT angiography (OCTA)

Summary Optical coherence tomographic angiography (OCTA) provides superior resolution and volumetric data compared to fluorescein angiography, but this 3D technology requires motion artifact compensation caused by movements during the scan. Oregon Health & Science University researchers have developed a method to suppress motion artifacts caused...

Published: 9/21/2023 | Inventor(s): Yali Jia, Xiang Wei

Keywords(s): Diagnostics, Imaging, Imaging - Other, Software, Software - Diagnostic/Detection

Category(s): Software, Imaging

A fast and robust standard-deviation based method for bulk-motion compensation in phase-based functional OCT

Summary Motion compensation algorithms are needed to correct for artifacts in phase-based functional OCT imaging, but current solutions require trade-offs between processing speed and image quality. Research at OHSU has led to the development of a novel motion compensation algorithm that can be processed quickly without sacrificing image quality, potentially...

Published: 6/26/2023 | Inventor(s): Yali Jia, Xiang Wei

Keywords(s):

Category(s): Software, Device, Diagnostics