JP4659217B2 - 画像暗号化方式とデバイス - Google Patents

画像暗号化方式とデバイス Download PDF

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Publication number
JP4659217B2
JP4659217B2 JP2000584680A JP2000584680A JP4659217B2 JP 4659217 B2 JP4659217 B2 JP 4659217B2 JP 2000584680 A JP2000584680 A JP 2000584680A JP 2000584680 A JP2000584680 A JP 2000584680A JP 4659217 B2 JP4659217 B2 JP 4659217B2
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JP
Japan
Prior art keywords
encoding
encryption
encrypted
image
encoding unit
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Expired - Lifetime
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JP2000584680A
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English (en)
Japanese (ja)
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JP2002531015A (ja
Inventor
マグナス ジェンデル，
マチアス ラルソン，
Original Assignee
テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20413358&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP4659217(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by テレフオンアクチーボラゲット エル エム エリクソン（パブル） filed Critical テレフオンアクチーボラゲット エル エム エリクソン（パブル）
Publication of JP2002531015A publication Critical patent/JP2002531015A/ja
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Classifications

    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • 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
    • H04N1/32—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
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32765—Initiating a communication
    • H04N1/32771—Initiating a communication in response to a request, e.g. for a particular document
    • H04N1/32776—Initiating a communication in response to a request, e.g. for a particular document using an interactive, user-operated device, e.g. a computer terminal, mobile telephone
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Facsimile Transmission Control (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2000584680A 1998-11-20 1999-11-17 画像暗号化方式とデバイス Expired - Lifetime JP4659217B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9803979A SE513356C2 (sv) 1998-11-20 1998-11-20 Förfarande och anordning för kryptering av bilder
SE9803979-5 1998-11-20
PCT/SE1999/002106 WO2000031964A1 (en) 1998-11-20 1999-11-17 A method and a device for encryption of images

Publications (2)

Publication Number Publication Date
JP2002531015A JP2002531015A (ja) 2002-09-17
JP4659217B2 true JP4659217B2 (ja) 2011-03-30

Family

ID=20413358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000584680A Expired - Lifetime JP4659217B2 (ja) 1998-11-20 1999-11-17 画像暗号化方式とデバイス

Country Status (10)

Country Link
US (1) US6931534B1 (enExample)
EP (1) EP1142301B1 (enExample)
JP (1) JP4659217B2 (enExample)
KR (1) KR100712328B1 (enExample)
CN (1) CN1166172C (enExample)
AU (1) AU1902300A (enExample)
CA (1) CA2352212A1 (enExample)
DE (1) DE69938841D1 (enExample)
SE (1) SE513356C2 (enExample)
WO (1) WO2000031964A1 (enExample)

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