Method of detecting redeye in a digital image
First Claim
Patent Images
1. A method for detecting redeye in a digital image, comprising:
- a) examining at least a portion of the image to detect redeye defects using first search criteria;
b) examining the image for detected face regions;
c) from the results of steps a) and b), identifying those detected face regions each having only one detected redeye defect; and
d) examining at least a portion of the face regions identified in c), using second search criteria to determine if a second redeye defect is present in one or more of said face regions, andwherein the first search criteria and the second search criteria each comprise a corresponding filter set; and
wherein the filter set corresponding to the second search criteria comprises less filters than the filter set corresponding to the first search criteria.
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Abstract
A method for detecting redeye in a digital image comprises initially examining the image to detect redeyes, examining the image to detect face regions and, from the results of the preceding examinations, identifying those detected face regions each including only one detected redeye. Next, the identified face regions are examined, using less stringent search criteria than the initial examination, to detect additional redeyes in the face regions.
331 Citations
24 Claims
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1. A method for detecting redeye in a digital image, comprising:
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a) examining at least a portion of the image to detect redeye defects using first search criteria; b) examining the image for detected face regions; c) from the results of steps a) and b), identifying those detected face regions each having only one detected redeye defect; and d) examining at least a portion of the face regions identified in c), using second search criteria to determine if a second redeye defect is present in one or more of said face regions, and wherein the first search criteria and the second search criteria each comprise a corresponding filter set; and wherein the filter set corresponding to the second search criteria comprises less filters than the filter set corresponding to the first search criteria. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24)
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2. A method for detecting redeye in a digital image, comprising:
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a) examining at least a portion of the image to detect redeye defects using first search criteria; b) examining the image for detected face regions; c) from the results of steps a) and b), identifying those detected face regions each having only one detected redeye defect; and d) examining at least a portion of the face regions identified in c), using second search criteria to determine if a second redeye defect is present in one or more of said face regions, and wherein the first search criteria and the second search criteria each comprise a corresponding filter set, wherein said image comprises an image within a stream of images and wherein said face regions are detected in one or more images of said stream, said face regions being extrapolated from said one or more images to said image. - View Dependent Claims (6)
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3. A method for detecting redeye in a digital image, comprising:
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a) examining at least a portion of the image to detect redeye defects using a first search criteria; b) examining the image for detected face regions; c) from the results of a) and b), identifying each of those detected face regions having no detected redeye defects; d) examining at least a portion of the face regions identified in c), using second search criteria to detect additional redeye defects in said face regions; and e) combining the results from a) and d), and wherein the first search criteria and the second search criteria each comprise a corresponding filter set; and wherein the filter set corresponding to the second search criteria comprises less filters than the filter set corresponding to the first search criteria. - View Dependent Claims (20)
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4. A method for detecting pairs of redeye in a digital image, comprising:
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a) examining at least a portion of the image to detect redeye defects using a first search criteria; b) examining the image for detected face regions whereby said detected redeye defects are enclosed within the periphery of said detected face regions; c) identifying said detected face regions each having only one detected redeye defect; d) examining at least a portion of the face regions identified in c), using second search criteria, to detect a second redeye defect in one or more said face regions; and e) combining the results from a) and d); and determining the orientation of said detected face regions; and wherein said second search criteria includes a search based on said determined orientation of said detected face regions.
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5. A method for detecting pairs of redeye in a digital image, comprising:
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a) examining at least a portion of the image to detect redeye defects using a first search criteria; b) examining the image for detected face regions whereby said detected redeye defects are enclosed within the periphery of said detected face regions; c) identifying said detected face regions each having only one detected redeye defect; d) examining at least a portion of the face regions identified in c), using second search criteria, to detect a second redeye defect in one or more said face regions; and e) combining the results from a) and d); and wherein said second search criteria includes anthropometric data relevant to said detected face regions and a determined location of a second eye based on a known location of said one detected redeye defect; and wherein said second search criteria includes a search based on said determined orientation of said detected face regions.
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23. A method as recited in 4,
wherein said second search criteria includes a search based on said determined orientation of said detected face regions.
Specification