Method, medium, and apparatus for detecting situation change of digital photo and method, medium, and apparatus for situation-based photo clustering in digital photo album
First Claim
1. An apparatus for detecting a situation change in digital photos, comprising:
- a photo sort unit sorting photos, desired to be situation-based clustered, in order of time;
a time feature value obtaining unit obtaining predetermined time feature values from each of two contiguous photos among the sorted photos;
a content-based feature value extraction unit extracting predetermined content-based feature values from each of the two contiguous photos;
a dissimilarity measuring unit measuring dissimilarity between the two photos by making predetermined time feature value importances reflect respective time feature values, and by making predetermined content-based feature value importances reflect respective content-based feature values; and
a situation change detection unit detecting a situation change by determining the situation change if an amount of the dissimilarity is equal to or greater than a predetermined threshold.
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Accused Products
Abstract
An apparatus, medium, and method for detecting a situation change of a digital photo, and a method, medium, and apparatus for situation-based clustering in a digital photo album. The apparatus for situation-based clustering in a digital photo album includes: a photo description information generation unit generating photo description information describing a photo and including at least a photo descriptor; an albuming tool description information generation unit generating albuming tool description information including a predetermined parameter for situation-based clustering of digital photos; an albuming tool performing photo albuming through situation-based clustering by using at least the photo description information and the albuming tool description information; a photo group information generation unit generating predetermined photo group description information from the output of the albuming tool; and a photo albuming information generation unit generating photo albuming information by using photo description information and photo group description information.
123 Citations
31 Claims
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1. An apparatus for detecting a situation change in digital photos, comprising:
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a photo sort unit sorting photos, desired to be situation-based clustered, in order of time;
a time feature value obtaining unit obtaining predetermined time feature values from each of two contiguous photos among the sorted photos;
a content-based feature value extraction unit extracting predetermined content-based feature values from each of the two contiguous photos;
a dissimilarity measuring unit measuring dissimilarity between the two photos by making predetermined time feature value importances reflect respective time feature values, and by making predetermined content-based feature value importances reflect respective content-based feature values; and
a situation change detection unit detecting a situation change by determining the situation change if an amount of the dissimilarity is equal to or greater than a predetermined threshold. - View Dependent Claims (2, 3)
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4. An apparatus for situation-based clustering of a digital photo album, comprising:
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a photo description information generation unit generating photo description information describing a photo and including at least a photo identifier;
an albuming tool description information generation unit generating albuming tool description information including a predetermined parameter for situation-based clustering of digital photos;
an albuming tool performing photo albuming through situation-based clustering by using at least the photo description information and the albuming tool description information;
a photo group information generation unit generating predetermined photo group description information from an output of the albuming tool; and
a photo albuming information generation unit generating predetermined photo albuming information by using the photo description information and the predetermined photo group description information for situation-based clustering of the digital photo album. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for detecting a situation change in digital photos, comprising:
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sorting photos, desired to be situation-based clustered, in order of time;
obtaining respective time feature values and respective predetermined content-based feature values from each of two contiguous photos among the sorted photos;
measuring a dissimilarity between the two photos by making predetermined time feature value importances reflect respective time feature values, and by making predetermined content-based feature value importances reflect respective content-based feature values; and
detecting a situation change by determining the situation change if an amount of the dissimilarity is equal to or greater than a predetermined threshold. - View Dependent Claims (17, 18, 19, 30)
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20. A method for situation-based clustering of a digital photo album, comprising:
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generating photo description information by extracting at least one of camera information on a camera taking a photo, photographing information of the photo, and a content-based feature value of the photo;
generating albuming tool description information including a predetermined parameter for situation-based clustering of digital photos;
performing photo albuming through situation-based clustering by using at least the photo description information and the albuming tool description information;
generating photo group description information by using a result of the situation-based clustering; and
generating predetermined photo albuming information by using the photo description information and the photo group description information to situation-based cluster the digital photo album. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 31)
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Specification