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AssigneeInternational Business Machines Corporation
InventorsLawerence D. Bergman, Vittorio Castelli, Chung-Sheng Li, John R. Smith
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Similarity measure has been one of the critical issues for successful content-based retrieval. Simple quadratic forms of distance is inadequate as it does not necessary correspond to perceived similarity nor is it adaptive to different applications. This patent application describes a new sequential query processing algorith for evaluating content-based composite object queries. The composite objects consist of spatial and temporal arrangements of simple objects. The simple objects are defined in terms of spatial, temporal, feature and semantic attributes. The query method defines a process for executing a best-first search for the matches to the query, while providing a flexible framework for broadening the search space as required. The query method guarantees that there are no false dismissals of the candidate composite objects.
A method for providing computer retrieval of images of composite objects in response to a query, each of said images having a plurality of features and wherein said images are stored in at least one storage medium and are indexed according to one or more of said plurality of features, comprising the steps of:
A method for providing computer retrieval of images of composite objects in response to a query, each of said images having a plurality of features and wherein said images are stored in at least one storage medium and are indexed according to one or more of said plurality of features, comprising the steps of:
Apparatus for computer retrieval of images of composite objects in response to a query, each of said images having a plurality of features, comprising:
A program storage device readable by machine, tangibly embodying a program of instructions executable by the machine to perform method steps for providing computer retrieval of images of composite objects in response to a query, each of said images having a plurality of features and wherein said images are stored in at least one storage medium and are indexed according to one or more of said plurality of features, said method steps comprising:
A program storage device readable by machine, tangibly embodying a program of instructions executable by the machine to perform method steps for computing a query, said method steps comprising the steps of:
Dependencies are inferred from the claim text.