The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 03, 2018

Filed:

Apr. 26, 2016
Applicant:

Optos Plc, Dunfermline, Fife, Scotland, GB;

Inventor:

Alan Duncan Fleming, Edinburgh, GB;

Assignee:

OPTOS PLC, Dunfermline, GB;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); A61B 3/00 (2006.01); A61B 3/14 (2006.01); G06K 9/42 (2006.01); G06K 9/44 (2006.01); G06T 7/00 (2017.01); G06T 7/73 (2017.01);
U.S. Cl.
CPC ...
A61B 3/0025 (2013.01); A61B 3/14 (2013.01); G06K 9/42 (2013.01); G06K 9/44 (2013.01); G06T 7/004 (2013.01); G06T 7/0012 (2013.01); G06T 7/73 (2017.01); G06T 2207/10024 (2013.01); G06T 2207/10064 (2013.01); G06T 2207/20061 (2013.01); G06T 2207/30041 (2013.01); G06T 2207/30101 (2013.01);
Abstract

The disclosure relates to a non-transitory computer-readable storage medium storing computer program instructions which, when executed by a processor, cause the processor to process image data defining an image of a retina to determine a location of an anatomical feature of the retina in the image by receiving the image data; calculating, for each of a plurality of pixels of the image data, a respective local orientation vector indicative of the orientation of any blood vessel present in the image; calculating a normalized local orientation vector for each of the plurality of pixels; operating on an array of accumulators, wherein each accumulator in the array is associated with a respective pixel of the image data; and determining the location of the anatomical feature in the image of the retina using the location of a pixel of the image data which is associated with an accumulator having accumulated an accumulated value.


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