Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-03-28
1999-06-15
Von Buhr, Maria N.
Data processing: database and file management or data structures
Database design
Data structure types
707104, 382305, G06F 1730, G06T 100
Patent
active
059132051
ABSTRACT:
A system and method for content-based search and retrieval of visual objects. A base visual information retrieval (VIR) engine utilizes a set of universal primitives to operate on the visual objects. An extensible VIR engine allows custom, modular primitives to be defined and registered. A custom primitive addresses domain specific problems and can utilize any image understanding technique. Object attributes can be extracted over the entire image or over only a portion of the object. A schema is defined as a specific collection of primitives. A specific schema implies a specific set of visual features to be processed and a corresponding feature vector to be used for content-based similarity scoring. A primitive registration interface registers custom primitives and facilitates storing of an analysis function and a comparison function to a schema table. A heterogeneous comparison allows objects analyzed by different schemas to be compared if at least one primitive is in common between the schemas. A threshold-based comparison is utilized to improve performance of the VIR engine. A distance between two feature vectors is computed in any of the comparison processes so as to generate a similarity score.
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Bach Jeffrey R.
Fuller Charles E.
Gupta Amarnath
Horowitz Bradley
Jain Ramesh
Virage, Inc.
Von Buhr Maria N.
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