WO2004107731A3 - Method and apparatus for analog insertion of low frequency watermarks - Google Patents

Method and apparatus for analog insertion of low frequency watermarks Download PDF

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Publication number
WO2004107731A3
WO2004107731A3 PCT/US2004/017355 US2004017355W WO2004107731A3 WO 2004107731 A3 WO2004107731 A3 WO 2004107731A3 US 2004017355 W US2004017355 W US 2004017355W WO 2004107731 A3 WO2004107731 A3 WO 2004107731A3
Authority
WO
WIPO (PCT)
Prior art keywords
low frequency
analog insertion
frequency watermarks
watermarks
analog
Prior art date
Application number
PCT/US2004/017355
Other languages
French (fr)
Other versions
WO2004107731A2 (en
Inventor
Jeffrey Lubin
Christos Alkiviadis Polyzois
Original Assignee
Sarnoff Corp
Jeffrey Lubin
Christos Alkiviadis Polyzois
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sarnoff Corp, Jeffrey Lubin, Christos Alkiviadis Polyzois filed Critical Sarnoff Corp
Publication of WO2004107731A2 publication Critical patent/WO2004107731A2/en
Publication of WO2004107731A3 publication Critical patent/WO2004107731A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0052—Embedding of the watermark in the frequency domain

Abstract

A method and apparatus for inserting a watermark onto an illuminated image sequence. A light modulator modulates a light source. A controller controls the light modulator such that a low frequency watermark is inserted onto the illuminated image sequence.
PCT/US2004/017355 2003-05-29 2004-06-01 Method and apparatus for analog insertion of low frequency watermarks WO2004107731A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US47490003P 2003-05-29 2003-05-29
US60/474,900 2003-05-29
US10/856,022 2004-05-28
US10/856,022 US7756288B2 (en) 2003-05-29 2004-05-28 Method and apparatus for analog insertion of low frequency watermarks

Publications (2)

Publication Number Publication Date
WO2004107731A2 WO2004107731A2 (en) 2004-12-09
WO2004107731A3 true WO2004107731A3 (en) 2005-04-21

Family

ID=33457649

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/017355 WO2004107731A2 (en) 2003-05-29 2004-06-01 Method and apparatus for analog insertion of low frequency watermarks

Country Status (2)

Country Link
US (1) US7756288B2 (en)
WO (1) WO2004107731A2 (en)

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US20080159586A1 (en) * 2005-04-14 2008-07-03 Koninklijke Philips Electronics, N.V. Watermarking of an Image Motion Signal
US20070284956A1 (en) * 2006-06-13 2007-12-13 Garrett Petrovich Assembly for generating energy by magnetic polar repulsion
US20100110411A1 (en) * 2007-06-25 2010-05-06 Thomson Licensing Anti-piracy coding technique
EP2961157A1 (en) 2014-06-23 2015-12-30 Thomson Licensing Message inserting method in a rendering of a video content by a display device, reading method, devices and programs associated
US10991064B1 (en) 2018-03-07 2021-04-27 Adventure Soup Inc. System and method of applying watermark in a digital image
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US7756288B2 (en) 2010-07-13
US20040240705A1 (en) 2004-12-02
WO2004107731A2 (en) 2004-12-09

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