Detecting Red Eye Filter and Apparatus Using Meta-Data
First Claim
Patent Images
1. A portable digital apparatus having no photographic film, comprising:
- (a) a housing;
(b) a source of light coupled to the housing for providing illumination during image capturing;
(c) a digital image capturing apparatus within the housing;
(d) at least one of an image display and an image output coupled to the housing; and
(e) an auto-focus mechanism(f) a red-eye filter within the housing for modifying pixels indicative of a red-eye phenomenon within said at least one of said image display and said image output, wherein the red eye filter is configured to modify an area within the image indicative of red-eye phenomenon based on a metadata analysis, including;
(i) a comparison of a calculated range of expected sizes of said area based on distance information as recorded by the auto-focus mechanism and on one or more stored human facial anthropometrical values; and
(ii) a search for a second eye, a surrounding face, lips, nostrils or another associated peripheral region, or combinations thereof, at an estimated distance based on said distance information as recorded by the auto-focus mechanism.
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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.
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Citations
30 Claims
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1. A portable digital apparatus having no photographic film, comprising:
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(a) a housing; (b) a source of light coupled to the housing for providing illumination during image capturing; (c) a digital image capturing apparatus within the housing; (d) at least one of an image display and an image output coupled to the housing; and (e) an auto-focus mechanism (f) a red-eye filter within the housing for modifying pixels indicative of a red-eye phenomenon within said at least one of said image display and said image output, wherein the red eye filter is configured to modify an area within the image indicative of red-eye phenomenon based on a metadata analysis, including; (i) a comparison of a calculated range of expected sizes of said area based on distance information as recorded by the auto-focus mechanism and on one or more stored human facial anthropometrical values; and (ii) a search for a second eye, a surrounding face, lips, nostrils or another associated peripheral region, or combinations thereof, at an estimated distance based on said distance information as recorded by the auto-focus mechanism. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A portable digital apparatus having no photographic film, comprising:
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(a) a housing; (b) an integral flash embedded within said housing for providing illumination during image recording; (c) a digital image capturing apparatus within said housing for recording an image; and (d) a red-eye filter within said housing for modifying an area within the image indicative of a red-eye phenomenon, and (e) wherein whether said area within said image is indicative of said red-eye phenomenon is determined based at least in part on a metadata analysis, including; (i) a comparison of a calculated range of expected sizes of said area based on distance information as recorded by the auto-focus mechanism and on one or more stored human facial anthropometrical values; and (ii) a search for a second eye, a surrounding face, lips, nostrils or another associated peripheral region, or combinations thereof, at an estimated distance based on said distance information as recorded by the auto-focus mechanism. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification