DE69420662T2 - Blocktransformationskodierer für willkürlich geformte Bildsegmente - Google Patents

Blocktransformationskodierer für willkürlich geformte Bildsegmente

Info

Publication number
DE69420662T2
DE69420662T2 DE69420662T DE69420662T DE69420662T2 DE 69420662 T2 DE69420662 T2 DE 69420662T2 DE 69420662 T DE69420662 T DE 69420662T DE 69420662 T DE69420662 T DE 69420662T DE 69420662 T2 DE69420662 T2 DE 69420662T2
Authority
DE
Germany
Prior art keywords
shaped image
image segments
arbitrarily shaped
block transform
transform encoder
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.)
Expired - Lifetime
Application number
DE69420662T
Other languages
English (en)
Other versions
DE69420662D1 (de
Inventor
Homer H Chen
Mehmet R Civanlar
Barin G Haskell
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE69420662D1 publication Critical patent/DE69420662D1/de
Application granted granted Critical
Publication of DE69420662T2 publication Critical patent/DE69420662T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
DE69420662T 1993-10-15 1994-10-05 Blocktransformationskodierer für willkürlich geformte Bildsegmente Expired - Lifetime DE69420662T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/138,295 US5422963A (en) 1993-10-15 1993-10-15 Block transform coder for arbitrarily shaped image segments

Publications (2)

Publication Number Publication Date
DE69420662D1 DE69420662D1 (de) 1999-10-21
DE69420662T2 true DE69420662T2 (de) 2000-04-27

Family

ID=22481384

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420662T Expired - Lifetime DE69420662T2 (de) 1993-10-15 1994-10-05 Blocktransformationskodierer für willkürlich geformte Bildsegmente

Country Status (5)

Country Link
US (1) US5422963A (de)
EP (1) EP0649258B1 (de)
JP (1) JP3078460B2 (de)
CA (1) CA2124712C (de)
DE (1) DE69420662T2 (de)

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US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
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US6728390B2 (en) 1995-05-08 2004-04-27 Digimarc Corporation Methods and systems using multiple watermarks
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
US6408331B1 (en) * 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
JP3094390B2 (ja) * 1995-11-29 2000-10-03 三星電子株式会社 任意形態の物体の境界を含むブロックの変換符号化装置
DE19609860C1 (de) * 1996-03-13 1997-09-04 Siemens Ag Verfahren zur Bearbeitung von Bildpunkten eines Bildsegments durch einen Rechner
KR100209411B1 (ko) * 1996-05-10 1999-07-15 전주범 윤곽선 정보를 이용한 영상신호 처리 방법
US6381341B1 (en) 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
DE19625402A1 (de) * 1996-06-25 1998-01-02 Siemens Ag Verfahren zur Bearbeitung von Bildpunkten eines Bildsegments durch einen Rechner
JP3474707B2 (ja) * 1996-07-04 2003-12-08 シャープ株式会社 画像符号化装置及び画像復号装置
FR2752474B1 (fr) * 1996-08-14 1998-12-31 Iona Donescu Procede de transformation du signal image sur des supports de forme arbitraire
FR2758636B1 (fr) * 1997-01-21 2000-12-29 France Telecom Traitement d'images par regions utilisant une transformation discrete sur des segments finis sans extension
US6058214A (en) * 1998-01-20 2000-05-02 At&T Corp. Compression of partially masked still images
US6804376B2 (en) 1998-01-20 2004-10-12 Digimarc Corporation Equipment employing watermark-based authentication function
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US6456744B1 (en) 1999-12-30 2002-09-24 Quikcat.Com, Inc. Method and apparatus for video compression using sequential frame cellular automata transforms
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US6718066B1 (en) 2000-08-14 2004-04-06 The Hong Kong University Of Science And Technology Method and apparatus for coding an image object of arbitrary shape
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JP2002300581A (ja) * 2001-03-29 2002-10-11 Matsushita Electric Ind Co Ltd 映像符号化装置、及び映像符号化プログラム
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JP3068304B2 (ja) * 1992-01-21 2000-07-24 日本電気株式会社 動画像符号化方式および復号化方式

Also Published As

Publication number Publication date
CA2124712C (en) 1999-06-29
EP0649258A2 (de) 1995-04-19
EP0649258B1 (de) 1999-09-15
CA2124712A1 (en) 1995-04-16
DE69420662D1 (de) 1999-10-21
EP0649258A3 (de) 1995-05-17
JPH07177516A (ja) 1995-07-14
US5422963A (en) 1995-06-06
JP3078460B2 (ja) 2000-08-21

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