JP4742614B2 - データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム - Google Patents

データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム Download PDF

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JP4742614B2
JP4742614B2 JP2005049955A JP2005049955A JP4742614B2 JP 4742614 B2 JP4742614 B2 JP 4742614B2 JP 2005049955 A JP2005049955 A JP 2005049955A JP 2005049955 A JP2005049955 A JP 2005049955A JP 4742614 B2 JP4742614 B2 JP 4742614B2
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JP2006238070A5 (enExample
JP2006238070A (ja
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智宏 安岡
哲二郎 近藤
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Sony Corp
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Sony Corp
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Priority to JP2005049955A priority Critical patent/JP4742614B2/ja
Priority to US11/362,557 priority patent/US7925019B2/en
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Publication of JP2006238070A5 publication Critical patent/JP2006238070A5/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00818—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction limits the signal quality, e.g. by low-pass filtering of audio signals or by reducing the resolution of video signals
    • G11B20/00826—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction limits the signal quality, e.g. by low-pass filtering of audio signals or by reducing the resolution of video signals wherein a spoiler signal is added to degrade the signal quality
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
JP2005049955A 2005-02-25 2005-02-25 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム Expired - Fee Related JP4742614B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005049955A JP4742614B2 (ja) 2005-02-25 2005-02-25 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム
US11/362,557 US7925019B2 (en) 2005-02-25 2006-02-24 Method and apparatus for converting data, method and apparatus for inverse converting data, and recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005049955A JP4742614B2 (ja) 2005-02-25 2005-02-25 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム

Publications (3)

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JP2006238070A JP2006238070A (ja) 2006-09-07
JP2006238070A5 JP2006238070A5 (enExample) 2007-10-11
JP4742614B2 true JP4742614B2 (ja) 2011-08-10

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JP (1) JP4742614B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4742614B2 (ja) * 2005-02-25 2011-08-10 ソニー株式会社 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム
US20080126464A1 (en) * 2006-06-30 2008-05-29 Shahin Movafagh Mowzoon Least square clustering and folded dimension visualization
CN100581101C (zh) 2007-11-19 2010-01-13 西安西电捷通无线网络通信有限公司 一种基于分组密码算法的加密处理设备
JP5455229B2 (ja) * 2010-04-26 2014-03-26 株式会社Ｋｄｄｉ研究所 画像符号化装置及び画像復号装置
US9225991B2 (en) * 2013-05-30 2015-12-29 Apple Inc. Adaptive color space transform coding
US9225988B2 (en) 2013-05-30 2015-12-29 Apple Inc. Adaptive color space transform coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1331825A3 (en) * 1991-04-10 2005-10-19 Mitsubishi Denki Kabushiki Kaisha Encoder and Decoder
US5351083A (en) * 1991-10-17 1994-09-27 Sony Corporation Picture encoding and/or decoding system
JPH0723232A (ja) * 1993-06-24 1995-01-24 Fujitsu Ltd カラー画像符号化方式
JPH07154605A (ja) * 1993-11-25 1995-06-16 Oki Electric Ind Co Ltd カラー画像処理方法
JPH10271505A (ja) * 1997-03-25 1998-10-09 Oki Electric Ind Co Ltd 信号処理装置、符号化回路および復号回路
JPH10289522A (ja) 1997-04-11 1998-10-27 Nippon Telegr & Teleph Corp <Ntt> ディジタルビデオ装置
JP2001245270A (ja) 2000-02-29 2001-09-07 Sony Corp 信号伝送装置および信号伝送方法
JP3977087B2 (ja) * 2001-02-13 2007-09-19 キヤノン株式会社 画像符号化装置、方法及びプログラム
JP3772846B2 (ja) * 2003-03-24 2006-05-10 ソニー株式会社 データ符号化装置およびデータ符号化方法、並びにデータ出力装置およびデータ出力方法
WO2004086758A1 (ja) 2003-03-24 2004-10-07 Sony Corporation データ符号化装置およびデータ符号化方法、データ出力装置およびデータ出力方法、信号処理システム、信号処理装置および信号処理方法、並びにデータ復号化装置およびデータ復号化方法
JP4742614B2 (ja) * 2005-02-25 2011-08-10 ソニー株式会社 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム

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US7925019B2 (en) 2011-04-12
US20060235915A1 (en) 2006-10-19
JP2006238070A (ja) 2006-09-07

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