Method and system for automated grouping of images
First Claim
Patent Images
1. A method of automated grouping of digital images, comprising the steps of:
- a) computing a color correlogram from image pixel values for each of the digital images;
b) grouping the color correlograms into groups within a hierarchical structure based on relative similarities of the color correlograms; and
c) assigning the images to the groups based on the hierarchical structure of the color correlograms.
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Abstract
A method of automated content-based grouping of digital images without using auxiliary metadata and training data set, comprises the steps of computing a color correlogram from image pixel values for each of the digital images, grouping the color correlograms into groups within a hierarchical structure based on relative similarities of the color correlograms, and assigning the images to the groups based on the hierarchical structure of the color correlograms.
187 Citations
24 Claims
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1. A method of automated grouping of digital images, comprising the steps of:
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a) computing a color correlogram from image pixel values for each of the digital images;
b) grouping the color correlograms into groups within a hierarchical structure based on relative similarities of the color correlograms; and
c) assigning the images to the groups based on the hierarchical structure of the color correlograms. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of operating on a pair of images comprising the steps of computing a color correlogram from image pixels for each of the digital images, merging the pair of correlograms and forming a correlogram representing the merged pair, whereby a composite image representation is obtained from the corresponding color correlograms of the merged images without processing the image pixel values themselves.
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15. A computer program product for automatically grouping a plurality of digital images comprising:
- a computer readable storage medium having a computer program stored thereon for performing the steps of;
a) computing a color correlogram from image pixel values for each of the digital images;
b) grouping the color correlograms into groups within a hierarchical structure based on relative similarities of the color correlograms; and
c) assigning the images to the groups based on the hierarchical structure of the color correlograms. - View Dependent Claims (16, 17, 18, 19)
- a computer readable storage medium having a computer program stored thereon for performing the steps of;
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20. A system for automatically grouping a plurality of digital images comprising:
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an input module for accessing a collection of unorganized digital images; and
a digital processor including a computation module for computing a color correlogram from image pixel values for each of the digital images, a grouping module for grouping the color correlograms into groups within a hierarchical structure based on relative similarities of the color correlograms, and an assignment module for assigning the images to the groups based on the hierarchical structure of the color correlograms. - View Dependent Claims (21, 22, 23, 24)
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Specification