Detecting red eye filter and apparatus using meta-data
First Claim
1. A method of filtering a red-eye phenomenon from an acquired digital image comprising a multiplicity of pixels indicative of color, the pixels forming various shapes within the image, the method comprising:
- (a) analyzing meta-data information including image acquisition device-specific information including color transformation due to spectral response curve of sensor, or overall CCD size, or combinations thereof; and
(b) determining, based at least in part on said meta-data analysis, whether one or more regions within said digital image are suspected as including red eye artifact.
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Abstract
A method of filtering a red-eye phenomenon from an acquired digital image including a multiplicity of pixels indicative of color, the pixels forming various shapes of the image, includes analyzing meta-data information, determining one or more regions within the digital image suspected as including red eye artifact, and determining, based at least in part on the meta-data analysis, whether the regions are actual red eye artifact. The meta-data information may include information describing conditions under which the image was acquired, captured and/or digitized, acquisition device-specific information, and/film information.
370 Citations
41 Claims
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1. A method of filtering a red-eye phenomenon from an acquired digital image comprising a multiplicity of pixels indicative of color, the pixels forming various shapes within the image, the method comprising:
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(a) analyzing meta-data information including image acquisition device-specific information including color transformation due to spectral response curve of sensor, or overall CCD size, or combinations thereof; and (b) determining, based at least in part on said meta-data analysis, whether one or more regions within said digital image are suspected as including red eye artifact. - 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, 28, 29)
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30. A method of filtering a red-eye phenomenon from an acquired digital image comprising a multiplicity of pixels indicative of color, the pixels forming various shapes within the image, the method comprising:
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(a) analyzing meta-data information including image acquisition device-specific information including aperture, f-stop, color transformation due to spectral response curve of sensor, or overall CCD size, or combinations thereof; and (b) determining, based at least in part on said meta-data analysis, whether one or more regions within said digital image are suspected as including red eye artifact, wherein said meta-data information comprises effective sensor width and length.
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31. A method of filtering a red-eye phenomenon from an acquired digital image comprising a multiplicity of pixels indicative of color, the pixels forming various shapes within the image, the method comprising:
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(a) analyzing meta-data information including image acquisition device-specific information including a spectral response curve of a sensor stored as a look-up table of an acquisition device with which the image was acquired; and (b) determining, based at least in part on said meta-data analysis, whether one or more regions within said digital image are suspected as including red eye artifact. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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Specification