Extensible Watermark Associated Information Retrieval

Title:

Extensible Watermark Associated Information Retrieval

Document Type and Number:

WIPO Patent Application WO/2016/208161

Kind Code:

A1

Abstract:

A method of processing a data stream comprising: (a) receiving said data stream including a watermark message encoded within said data stream; (b) extracting a corresponding recovery file location from said watermark message; (c) receiving a recovery file based upon said recovery file location that includes a corresponding content identifier; (d) selectively extracting said content identifier from said recovery file when said content identifier is an object that includes properties of a pattern expression to express a constraint as a string, where said string is entertainment identifier register information.

Inventors:

DESHPANDE SACHIN G

Application Number:

PCT/JP2016/002909

Publication Date:

December 29, 2016

Filing Date:

June 16, 2016

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Assignee:

SHARP KK (JP)

International Classes:

H04N21/8358

Domestic Patent References:

WO2014129803A1	2014-08-28
WO2013066367A1	2013-05-10

Attorney, Agent or Firm:

HARAKENZO WORLD PATENT & TRADEMARK (2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, JP)

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