Extracting method and apparatus of blood vessel crossing/branching portion
US8634600B2 · kind B2 · utility
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16Claims
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Assignee
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Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30101
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
It is an object of the invention to provide a method of extracting a crossing/branching portion of a blood vessel from a fundus image of the eye at a high probability. The crossing/branching portion of the blood vessel is extracted from the fundus image under such conditions that three or more blood vessels run on an outer circumferential portion of an extraction candidate region and that a coordinate average of a plurality of blood vessels in the outer circumferential portion exists in a center portion of the extraction candidate region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.