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US Patent 8370338 Large-scale asymmetric comparison computation for binary embeddings

Patent 8370338 was granted and assigned to Xerox on February, 2013 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
Xerox
Xerox
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8370338
Date of Patent
February 5, 2013
Patent Application Number
12960018
Date Filed
December 3, 2010
Patent Citations Received
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US Patent 12130864 Discrete representation learning
3
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US Patent 11886445 Classification engineering using regional locality-sensitive hashing (LSH) searches
4
Patent Primary Examiner
James Trujillo
James Trujillo
Patent abstract

A system and method for comparing a query object and one or more of a set of database objects are provided. The method includes providing quantized representations of database objects. The database objects have each been transformed with a quantized embedding function which is the composition of a real-valued embedding function and a quantization function. The query object is transformed to a representation of the query object in a real-valued embedding space using the real-valued embedding function. Query-dependent estimated distance values are computed for the query object, based on the transformed query object and stored. A comparison (e.g., distance or similarity) measure between the query object and each of the quantized database object representations is computed based on the stored query-dependent estimated distance values. Data is output based on the comparison computation.

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