CN104798369A - 使用环境光对屏幕上所显示的视频内容的复制保护 - Google Patents

使用环境光对屏幕上所显示的视频内容的复制保护 Download PDF

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Publication number
CN104798369A
CN104798369A CN201380061802.7A CN201380061802A CN104798369A CN 104798369 A CN104798369 A CN 104798369A CN 201380061802 A CN201380061802 A CN 201380061802A CN 104798369 A CN104798369 A CN 104798369A
Authority
CN
China
Prior art keywords
ambient light
screen
video content
intensity
light source
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201380061802.7A
Other languages
English (en)
Chinese (zh)
Inventor
M.M.J.W.范赫彭
A.J.L.M.马安当克斯
O.H.维勒姆森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN104798369A publication Critical patent/CN104798369A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4493—Subsequently rendering the image intelligible using a co-operating image, mask or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91392—Television signal processing therefor for scrambling ; for copy protection using means for preventing making copies of projected video images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/328—Processing of the additional information
    • H04N2201/3281—Encryption; Ciphering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
CN201380061802.7A 2012-11-27 2013-11-15 使用环境光对屏幕上所显示的视频内容的复制保护 Pending CN104798369A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261730119P 2012-11-27 2012-11-27
US61/730119 2012-11-27
PCT/IB2013/060158 WO2014083473A1 (en) 2012-11-27 2013-11-15 Use of ambience light for copy protection of video content displayed on a screen

Publications (1)

Publication Number Publication Date
CN104798369A true CN104798369A (zh) 2015-07-22

Family

ID=49726835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380061802.7A Pending CN104798369A (zh) 2012-11-27 2013-11-15 使用环境光对屏幕上所显示的视频内容的复制保护

Country Status (6)

Country Link
US (2) US9641725B2 (enExample)
EP (1) EP2926553A1 (enExample)
JP (1) JP2015537248A (enExample)
CN (1) CN104798369A (enExample)
RU (1) RU2015125551A (enExample)
WO (1) WO2014083473A1 (enExample)

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CN106658875A (zh) * 2017-03-22 2017-05-10 广东顺德中山大学卡内基梅隆大学国际联合研究院 基于led的防偷拍系统
CN107644623A (zh) * 2016-07-20 2018-01-30 京东方科技集团股份有限公司 一种背光模组、显示装置及防偷拍系统
CN115668907A (zh) * 2020-04-09 2023-01-31 高盛公司有限责任公司 振荡视频刷新

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US9986290B2 (en) * 2016-09-27 2018-05-29 International Business Machines Corporation Video censoring
KR102636465B1 (ko) * 2016-10-24 2024-02-14 삼성전자주식회사 영상 처리 장치, 영상 처리 방법 및 전자장치
US10469763B2 (en) 2017-06-07 2019-11-05 Wisconsin Alumni Research Foundation Visual privacy protection system
WO2019041147A1 (zh) * 2017-08-29 2019-03-07 广东虚拟现实科技有限公司 光点识别方法、装置以及系统
CN108234977B (zh) * 2018-01-12 2021-03-09 京东方科技集团股份有限公司 一种视频播放方法及显示系统
US10818093B2 (en) * 2018-05-25 2020-10-27 Tiff's Treats Holdings, Inc. Apparatus, method, and system for presentation of multimedia content including augmented reality content
KR102523167B1 (ko) * 2018-07-02 2023-04-19 삼성전자주식회사 디스플레이 장치 및 그 제어 방법.
JP7080400B2 (ja) * 2018-11-01 2022-06-03 シグニファイ ホールディング ビー ヴィ ビデオコンテンツから光効果のための色を抽出するための方法の選択
CN116261685A (zh) * 2020-12-30 2023-06-13 谷歌有限责任公司 扫描投影仪动态分辨率

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WO2005020571A1 (en) * 2003-08-19 2005-03-03 Thomson Licensing S.A. Theater identification system utilizing identifiers projected onto a screen
CN101689015A (zh) * 2007-06-27 2010-03-31 汤姆森特许公司 用于防止视频记录的频域和谱域解决方案
CN101855903A (zh) * 2007-11-08 2010-10-06 汤姆森特许公司 用于防盗版保护和验证的方法、装置和系统
CN102656950A (zh) * 2009-12-17 2012-09-05 皇家飞利浦电子股份有限公司 氛围影院照明系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107644623A (zh) * 2016-07-20 2018-01-30 京东方科技集团股份有限公司 一种背光模组、显示装置及防偷拍系统
CN106658875A (zh) * 2017-03-22 2017-05-10 广东顺德中山大学卡内基梅隆大学国际联合研究院 基于led的防偷拍系统
CN115668907A (zh) * 2020-04-09 2023-01-31 高盛公司有限责任公司 振荡视频刷新

Also Published As

Publication number Publication date
WO2014083473A1 (en) 2014-06-05
RU2015125551A (ru) 2017-01-11
US20150304522A1 (en) 2015-10-22
US9641725B2 (en) 2017-05-02
EP2926553A1 (en) 2015-10-07
US20170208215A1 (en) 2017-07-20
JP2015537248A (ja) 2015-12-24

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Effective date of registration: 20170314

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Application publication date: 20150722