System for face authentication and method for face authentication
US-12182243-B2 · Dec 31, 2024 · US
Method and apparatus to generate object descriptor using extended curvature gabor filter
US8977040B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8977040-B2 |
| Application number | US-201113204933-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 8, 2011 |
| Priority date | Sep 9, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A method and apparatus to generate an object descriptor using extended curvature gabor filters. The method and apparatus may increase a recognition rate of even a relatively small image with use of an extended number of curvature gabor filters having controllable curvatures and may reduce the amount of calculation required for face recognition by performing the face recognition using only some of the extended curvature gabor filters which have a great effect on the recognition rate. The object descriptor generating method includes extracting gabor features from an input object image by applying a plurality of curvature gabor filters, generated via combination of a plurality of curvatures and a plurality of Gaussian magnitudes, to the object image, and generating an object descriptor for object recognition by projecting the extracted features onto a predetermined base vector.
First claim
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What is claimed is: 1. A method of generating an object descriptor, comprising: extracting, by a computer, gabor features from an input object image by applying a plurality of curvature gabor filters, generated via combination of a plurality of curvatures and a plurality of Gaussian magnitudes so that each curvature gabor filter of the plurality of curvature gabor filters has a different combination of curvature and Gaussian magnitude than the other curvature gabor filters of the…
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Physics · mapped topic
- G06V40/168Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US8977040B2 cover?
- A method and apparatus to generate an object descriptor using extended curvature gabor filters. The method and apparatus may increase a recognition rate of even a relatively small image with use of an extended number of curvature gabor filters having controllable curvatures and may reduce the amount of calculation required for face recognition by performing the face recognition using only some …
- Who is the assignee on this patent?
- Hwang Won Jun, Roh Kyung Shik, Yoon Suk June, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G06V40/168. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 10 2015 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).