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Methods and systems for enhancing optical image quality

An optical image and image technology, applied in the field of enhancing optical image quality and system, can solve problems such as difficulty in visualization of slow blood flow

Inactive Publication Date: 2019-09-27
R K 王
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technique also includes background tissue components, making visualization of slow blood flow difficult

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  • Methods and systems for enhancing optical image quality
  • Methods and systems for enhancing optical image quality
  • Methods and systems for enhancing optical image quality

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Embodiment Construction

[0034] In the following detailed description, reference is made to the accompanying drawings which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here. It will be readily understood that aspects of the disclosure as generally described herein and illustrated in the drawings may be arranged, substituted, combined, separated and designed in various different configurations, all of which are expressly contemplated herein.

[0035] overview

[0036] Optical imaging provides non-invasive visualization of functional blood vessels and thus the study of dynamic blood flow within microcirculatory tissue beds in vivo. Examples of optical imaging tech...

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Abstract

Systems and methods for enhancing quality of a flow image of a sample are provided. An image is obtained from a plurality of optical image scans of a sample comprising blood perfused tissue. A vector comprising tissue components, flow components, and noise is then generated, and eigenvectors and eigenvalues are estimated from the vector. From the eigenvectors and eigenvalues, an eigen regression filter is applied to isolate flow components from the tissue components in the sample. The isolated tissue components may then be removed from the image to enhance visualization and quantification of a flow of dynamic moving particles within the sample.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application Serial No. 62 / 398,163, filed September 22, 2016, the entire contents of which are hereby incorporated by reference. Background technique [0003] Tissue perfusion imaging has many clinical applications and can be used to image, for example, cerebral vascular perfusion, ocular microcirculation, skin microcirculation, disease progression, vascular imaging or angiography. Quantifying capillary blood flow in conjunction with these images helps maintain tissue integrity under healthy and diseased conditions. [0004] Various optical imaging techniques are used to image and analyze biological tissues in vivo. One technique, optical microangiography (OMAG), is an optical coherence tomography (OCT)-based imaging technique for angiographic imaging of biological tissues in vivo. The OMAG method extracts blood flow information based on the direct distinction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/00G06T5/50
CPCG06T5/50G06T2207/10101G06T2207/20182G06T2207/30104G06T7/0016G06T5/70
Inventor R·K·王
Owner R K 王