JP4026933B2 - 情報処理装置及び方法並びに記録媒体 - Google Patents

情報処理装置及び方法並びに記録媒体 Download PDF

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Publication number
JP4026933B2
JP4026933B2 JP17712898A JP17712898A JP4026933B2 JP 4026933 B2 JP4026933 B2 JP 4026933B2 JP 17712898 A JP17712898 A JP 17712898A JP 17712898 A JP17712898 A JP 17712898A JP 4026933 B2 JP4026933 B2 JP 4026933B2
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JP
Japan
Prior art keywords
information
digital watermark
signal component
component
embedding
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Expired - Fee Related
Application number
JP17712898A
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English (en)
Japanese (ja)
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JP2000013587A (ja
JP2000013587A5 (enExample
Inventor
淳一 林
恵市 岩村
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP17712898A priority Critical patent/JP4026933B2/ja
Priority to US09/334,749 priority patent/US6535616B1/en
Priority to EP19990304976 priority patent/EP0967783B1/en
Priority to CNB991089022A priority patent/CN1168010C/zh
Priority to DE69940863T priority patent/DE69940863D1/de
Priority to DE1999630896 priority patent/DE69930896T2/de
Priority to EP20050077421 priority patent/EP1617643B1/en
Publication of JP2000013587A publication Critical patent/JP2000013587A/ja
Publication of JP2000013587A5 publication Critical patent/JP2000013587A5/ja
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Publication of JP4026933B2 publication Critical patent/JP4026933B2/ja
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    • 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
    • H04N19/186—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 a colour or a chrominance component
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    • H—ELECTRICITY
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    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40104—Security; Encryption; Content protection
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    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
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    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
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    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32336—Informed embedding, i.e. the original image being known for the encoding or decoding method
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
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    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • H—ELECTRICITY
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    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • G—PHYSICS
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    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
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    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
JP17712898A 1998-06-24 1998-06-24 情報処理装置及び方法並びに記録媒体 Expired - Fee Related JP4026933B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP17712898A JP4026933B2 (ja) 1998-06-24 1998-06-24 情報処理装置及び方法並びに記録媒体
US09/334,749 US6535616B1 (en) 1998-06-24 1999-06-17 Information processing apparatus, method and memory medium therefor
CNB991089022A CN1168010C (zh) 1998-06-24 1999-06-24 信息处理设备和方法
DE69940863T DE69940863D1 (de) 1998-06-24 1999-06-24 Informationsverarbeitungsgerät, Verfahren und Speichermedium dafür
EP19990304976 EP0967783B1 (en) 1998-06-24 1999-06-24 Information processing apparatus, method and memory medium therefor
DE1999630896 DE69930896T2 (de) 1998-06-24 1999-06-24 Informationsverarbeitungsgerät, Verfahren und Speichermedium dafür
EP20050077421 EP1617643B1 (en) 1998-06-24 1999-06-24 Information processing apparatus, method and memory medium therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17712898A JP4026933B2 (ja) 1998-06-24 1998-06-24 情報処理装置及び方法並びに記録媒体

Publications (3)

Publication Number Publication Date
JP2000013587A JP2000013587A (ja) 2000-01-14
JP2000013587A5 JP2000013587A5 (enExample) 2005-09-15
JP4026933B2 true JP4026933B2 (ja) 2007-12-26

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JP17712898A Expired - Fee Related JP4026933B2 (ja) 1998-06-24 1998-06-24 情報処理装置及び方法並びに記録媒体

Country Status (5)

Country Link
US (1) US6535616B1 (enExample)
EP (2) EP0967783B1 (enExample)
JP (1) JP4026933B2 (enExample)
CN (1) CN1168010C (enExample)
DE (2) DE69930896T2 (enExample)

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