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Text-based anti-piracy system and method for digital cinema

A technology for digital movies and text data, applied in the parts of TV systems, analog security/charging systems, and TV, etc., and can solve problems such as high recovery costs

Inactive Publication Date: 2009-10-14
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these techniques may be relatively inexpensive initially, it goes without saying that these techniques still have very high recovery costs in terms of the actual human labor required during the forensic analysis process and the overhead due to data entry and record keeping

Method used

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  • Text-based anti-piracy system and method for digital cinema
  • Text-based anti-piracy system and method for digital cinema
  • Text-based anti-piracy system and method for digital cinema

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Embodiment Construction

[0034] It should be understood that each element shown in the figure may be implemented in various forms of hardware, software, or a combination thereof. Preferably, these elements are implemented in a combination of hardware and software on one or more suitably programmed general-purpose devices, which may include a processor, memory and input / output interfaces.

[0035] This description illustrates the principles of the invention. It will thus be appreciated that those skilled in the art will be able to devise various embodiments which, although not explicitly described or shown herein, embody the principles of the invention and are included within its spirit and scope. layout.

[0036] All examples and conditional language stated herein are intended for pedagogical purposes of assisting the reader in understanding the principles of the invention and the concepts contributed by the inventors to advance the art and are not to be construed as being limited to such specific st...

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PUM

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Abstract

A system and method for generating and processing forensic information for digital cinema content in an efficient and cost-effective manner while maintaining the integrity and quality of the digital cinema images. Customized forensic content, which includes hidden anti-camcorder text data, is generated for display with corresponding digital cinema content. Real-time information is incorporated into the customized forensic content. The real-time information includes textual data in hidden form indicating, e.g., at least one of an actual time, date and location pertaining to each actual showing of the digital cinema content. The customized forensic content having real-time information is virtually undetectable in authorized copies yet easily and quickly detectable and decipherable in pirated copies during forensic analysis.

Description

technical field [0001] The present invention relates generally to an anti-piracy film security measure, and more particularly to a system and method for generating and incorporating forensic information into digital cinema content for anti-piracy purposes. Background technique [0002] Many of today's printed films are marked with, for example, special patterns and / or arrangements of dots, colors, and symbols for each particular film print being played in a movie theater Create a unique ID. These marks are captured by any device that can record marked film (eg, a video camcorder). Pirated video can be analyzed by movie studios to recover any markings found in the video content. These indicia are then cross-referenced with the stored code table to determine to which theater a particular pirated film print was sent and investigation and appropriate action can be taken. [0003] Detective information can be added to digital movies in the form of watermarks. Although these w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/16H04N7/24H04N21/835H04N7/167
CPCH04N7/1675H04N5/913H04N2005/91392H04N21/41415H04N21/2351H04N21/4405H04N21/2347H04N2005/91342H04N21/8133H04N21/235H04N21/435H04N21/835H04N21/4353
Inventor 马克·A·舒尔茨
Owner THOMSON LICENSING SA