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Automatic calibration systems and methods of use
US9596993B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9596993-B2 |
| Application number | US-201213402798-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 22, 2012 |
| Priority date | Jul 12, 2007 |
| Publication date | Mar 21, 2017 |
| Grant date | Mar 21, 2017 |
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- Title
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Abstract
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The disclosed automatic calibration systems and methods provide a repeatable way to detect internal catheter reflections and to shift the internal catheter reflections to calibrate an image.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for automatic calibration, comprising: performing an initial calibration of a catheter, based on internal catheter reflections that are stable in depth and consistent in intensity throughout the 360 degree rotation of the catheter, for a calibration position, the calibration including: averaging an OCT image frame to selectively enhance high intensity features; comparing a value of the image features to a pre-calibrated value; and shifting the OCT image based on the comparison; monitoring the internal catheter reflections of the calibration position; determining if the calibration position needs updating on an image frame; and updating the calibration position on a frame-by-frame basis. 2. The method of claim 1 , wherein the image frame is an A-scan. 3. The method of claim 1 , wherein the image frame includes a set of image frames.
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Fabry-Perot in interferometer, e.g. etalon, cavity · CPC title
Synchronization of light source or manipulator and detector · CPC title
characterised by particular signal processing and presentation · CPC title
using frequency scans · CPC title
- A61B5/0084Primary
for introduction into the body, e.g. by catheters (A61B5/1459 takes precedence) · CPC title
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- What does patent US9596993B2 cover?
- The disclosed automatic calibration systems and methods provide a repeatable way to detect internal catheter reflections and to shift the internal catheter reflections to calibrate an image.
- Who is the assignee on this patent?
- Kemp Nathaniel J, Begin Elizabeth, Elmaanaoui Badr, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A61B5/0084. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 21 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).