Method and apparatus for red-eye detection in an acquired digital image
First Claim
1. A method for red-eye detection in an acquired digital image comprising, using a processor and a digital storage medium having code embedded therein for programming the processor to perform the method, which includes:
- a) acquiring a first image;
b) analyzing the first acquired image to detect one or more eye color defect characteristics;
c) determining if one or more corrective processes can be beneficially applied to said first acquired image according to said eye color defect characteristics;
d) applying at least one of such corrective processes to said first acquired image; and
e) detecting red-eye defects in a second acquired image using said corrected first acquired image.
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Abstract
A method for red-eye detection in an acquired digital image comprises acquiring a first image and analyzing the first acquired image to provide a plurality of characteristics indicative of image quality. The process then determines if one or more corrective processes can be beneficially applied to the first acquired image according to the characteristics. Any such corrective processes are then applied to the first acquired image. Red-eye defects are then detected in a second acquired image using the corrected first acquired image. Defect detection can comprise applying a chain of one or more red-eye filters to the first acquired image. In this case, prior to the detecting step, it is determined if the red-eye filter chain can be adapted in accordance with the plurality of characteristics; and the red-eye filter is adapted accordingly.
317 Citations
58 Claims
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1. A method for red-eye detection in an acquired digital image comprising, using a processor and a digital storage medium having code embedded therein for programming the processor to perform the method, which includes:
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a) acquiring a first image; b) analyzing the first acquired image to detect one or more eye color defect characteristics; c) determining if one or more corrective processes can be beneficially applied to said first acquired image according to said eye color defect characteristics; d) applying at least one of such corrective processes to said first acquired image; and e) detecting red-eye defects in a second acquired image using said corrected first acquired image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A computer-readable storage medium containing a set of instructions which when executed on a digital image processing device program a processor to perform a method for red-eye detection in an acquired digital image, wherein the method comprises:
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a) acquiring a first image; b) analyzing the first acquired image to detect one or more eye color defect characteristics; c) determining if one or more corrective processes can be beneficially applied to said first acquired image according to said eye color detect characteristics; and d) applying at least one of such corrective processes to said first acquired image; and e) detecting red-eye defects in a second acquired image using said corrected first acquired image.
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29. A digital image processing device comprising a processor and a processor-readable storage medium having embedded therein processor-readable code for programming the processor to perform a method for red-eye detection in an acquired digital image, wherein the method comprises:
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a) acquiring a first image; b) analyzing the first acquired image to detect one or more eye color defect characteristics; c) determining if one or more corrective processes can be beneficially applied to said first acquired image according to said eye color defect characteristics; and d) applying at least one of such corrective processes to said first acquired image; and e) detecting red-eye defects in a second acquired image using said corrected first acquired image.
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30. A method for red-eye detection in an acquired digital image comprising, using a processor and a digital storage medium having code embedded therein for programming the processor to perform the method, which includes:
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a) acquiring a first image; b) analyzing the first acquired image to detect a suboptimal exposure characteristic of the image; c) determining if a chain of one or more red-eye filters can be adapted in accordance with said suboptimal exposure characteristic; d) adapting said red-eye filter chain; and e) applying said filter chain to detect red-eye defects in a second acquired image. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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57. A computer-readable storage medium containing a set of instructions embedded therein which, when executed on a digital image processing device, that comprises a processor, programs the processor to perform a method for red-eye detection in an acquired digital image, wherein the method comprises:
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a) acquiring a first image; b) analyzing the first acquired image to detect a suboptimal exposure characteristic of the image; c) determining if a chain of one or more red-eye filters can be adapted in accordance with said suboptimal exposure characteristic; d) adapting said red-eye filter chain; and e) applying said filter chain to detect red-eye defects in a second acquired image.
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58. A digital image acquisition and processing device comprising a lens, an image sensor, a processor and a processor-readable storage medium having embedded therein processor-readable code for programming the processor to perform a method for red-eye detection in an acquired digital image, wherein the method comprises:
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a) acquiring a first image; b) analyzing the first acquired image to detect a suboptimal exposure characteristic of the image; c) determining if a chain of one or more red-eye filters can be adapted in accordance with said suboptimal exposure characteristic; d) adapting said red-eye filter chain; and e) applying said filter chain to detect red-eye defects in a second acquired image.
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Specification