DE69130275T2 - Verfahren und Gerät zur Bildverarbeitung - Google Patents
Verfahren und Gerät zur BildverarbeitungInfo
- Publication number
- DE69130275T2 DE69130275T2 DE69130275T DE69130275T DE69130275T2 DE 69130275 T2 DE69130275 T2 DE 69130275T2 DE 69130275 T DE69130275 T DE 69130275T DE 69130275 T DE69130275 T DE 69130275T DE 69130275 T2 DE69130275 T2 DE 69130275T2
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- processing method
- image
- processing
- 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 - Fee Related
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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
-
- 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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/164—Feedback from the receiver or from the transmission channel
-
- 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
- H04N19/176—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 the region being a block, e.g. a macroblock
-
- 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
- H04N19/10—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
- H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/197—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/102—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
- H04N19/124—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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2201109A JPH0487473A (ja) | 1990-07-31 | 1990-07-31 | 画像処理装置 |
JP2201102A JPH0487469A (ja) | 1990-07-31 | 1990-07-31 | 画像処理装置 |
JP2201106A JPH0487471A (ja) | 1990-07-31 | 1990-07-31 | 画像処理装置 |
JP2201103A JPH0487470A (ja) | 1990-07-31 | 1990-07-31 | 画像処理装置 |
JP2201108A JPH0487472A (ja) | 1990-07-31 | 1990-07-31 | 画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69130275D1 DE69130275D1 (de) | 1998-11-05 |
DE69130275T2 true DE69130275T2 (de) | 1999-04-08 |
Family
ID=27529275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69130275T Expired - Fee Related DE69130275T2 (de) | 1990-07-31 | 1991-07-29 | Verfahren und Gerät zur Bildverarbeitung |
Country Status (3)
Country | Link |
---|---|
US (1) | US6198848B1 (de) |
EP (1) | EP0469835B1 (de) |
DE (1) | DE69130275T2 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0493130B1 (de) * | 1990-12-28 | 1997-06-11 | Canon Kabushiki Kaisha | Bildcodierungsgerät mit Optimierung der erzeugten Codemenge |
JPH0583696A (ja) * | 1991-06-07 | 1993-04-02 | Sony Corp | 画像符号化装置 |
WO1993012613A1 (en) * | 1991-12-13 | 1993-06-24 | Avid Technology, Inc. | Quantization table adjustment |
US5355450A (en) * | 1992-04-10 | 1994-10-11 | Avid Technology, Inc. | Media composer with adjustable source material compression |
JPH05236427A (ja) * | 1992-02-25 | 1993-09-10 | Sony Corp | 画像信号の符号化装置及び符号化方法 |
DE69332529T2 (de) * | 1992-07-21 | 2003-08-14 | Matsushita Electric Ind Co Ltd | Verschlüsselungsvorrichtung |
US6427025B1 (en) | 1992-08-14 | 2002-07-30 | Canon Kabushiki Kaisha | Image processing with selection between reversible and irreversible compression |
EP0593159A3 (de) * | 1992-10-09 | 1994-11-09 | Hudson Soft Co Ltd | Bildverarbeitungsgerät. |
US5982437A (en) * | 1992-10-26 | 1999-11-09 | Sony Corporation | Coding method and system, and decoding method and system |
JPH06217274A (ja) * | 1993-01-18 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 画像信号圧縮装置 |
WO1994024809A1 (en) * | 1993-04-16 | 1994-10-27 | Data Translation, Inc. | Adaptive video decompression |
JPH08511385A (ja) * | 1993-04-16 | 1996-11-26 | データ トランスレイション,インコーポレイテッド | 可変量子化を用いた適応型画像圧縮 |
KR0155784B1 (ko) | 1993-12-16 | 1998-12-15 | 김광호 | 영상데이타의 적응형 가변장 부호화/복호화방법 |
KR970009408B1 (ko) * | 1994-01-18 | 1997-06-13 | 대우전자 주식회사 | 인터/인트라 테이블 선택 회로 |
KR100186915B1 (ko) * | 1994-07-13 | 1999-05-01 | 모리시다 요이치 | 디지털 부호화 장치 및 디지털 부호 복호화 장치 |
JP3954656B2 (ja) * | 1994-09-29 | 2007-08-08 | ソニー株式会社 | 画像符号化装置及び方法 |
JPH08181987A (ja) * | 1994-12-22 | 1996-07-12 | Canon Inc | 符号化装置 |
US5677689A (en) * | 1995-08-31 | 1997-10-14 | Yovanof; Gregory S. | Fixed rate JPEG compliant still image compression |
JPH09247671A (ja) * | 1996-03-04 | 1997-09-19 | Mitsubishi Electric Corp | デジタル画像復号装置 |
US6366614B1 (en) | 1996-10-11 | 2002-04-02 | Qualcomm Inc. | Adaptive rate control for digital video compression |
JPH10243399A (ja) * | 1997-02-25 | 1998-09-11 | Sharp Corp | 符号量制御装置及び該符号量制御装置を含む動画像符号化装置 |
US6049330A (en) * | 1997-08-28 | 2000-04-11 | Oak Technology, Inc. | Method and apparatus for optimizing storage of compressed images in memory |
FI974244A (fi) | 1997-11-14 | 1999-05-15 | Nokia Mobile Phones Ltd | Kuvan kompressointimenetelmä |
US6625323B2 (en) * | 1998-09-25 | 2003-09-23 | Eastman Kodak Company | Method for compressing and decompressing digital having text |
JP4010066B2 (ja) * | 1998-11-09 | 2007-11-21 | ソニー株式会社 | 画像データ記録装置および記録方法、並びに画像データ記録再生装置および記録再生方法 |
JP3600487B2 (ja) * | 1999-08-31 | 2004-12-15 | 株式会社東芝 | 可変長復号器及びこれを用いた動画像復号装置 |
US7110953B1 (en) * | 2000-06-02 | 2006-09-19 | Agere Systems Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
US20020122483A1 (en) * | 2001-03-02 | 2002-09-05 | Matsushita Electric Industrial Co., Ltd. | Encoding circuit and method |
WO2002078355A1 (en) | 2001-03-23 | 2002-10-03 | Nokia Corporation | Variable length coding |
US7023580B2 (en) * | 2001-04-20 | 2006-04-04 | Agilent Technologies, Inc. | System and method for digital image tone mapping using an adaptive sigmoidal function based on perceptual preference guidelines |
US6850650B1 (en) * | 2001-05-30 | 2005-02-01 | Packeteer, Inc. | System and method for recompressing a jpeg image using requantization |
EP1271926B1 (de) * | 2001-06-18 | 2015-08-12 | Canon Kabushiki Kaisha | Bildverarbeitungsverfahren und -vorrichtung und Computerprogram für Kompressionskodierung |
JP3797159B2 (ja) * | 2001-08-28 | 2006-07-12 | ソニー株式会社 | 撮像装置 |
CN1320809C (zh) | 2001-08-29 | 2007-06-06 | 佳能株式会社 | 图像处理装置与方法 |
EP2804325B1 (de) | 2001-08-31 | 2017-10-04 | Panasonic Intellectual Property Corporation of America | Bilddecodierungsverfahren und Decodierungsvorrichtung |
JP3778913B2 (ja) * | 2001-11-16 | 2006-05-24 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、及びプログラム |
US7106909B2 (en) | 2001-12-25 | 2006-09-12 | Canon Kabushiki Kaisha | Method and apparatus for encoding image data in accordance with a target data size |
US7266254B2 (en) | 2002-02-13 | 2007-09-04 | Canon Kabushiki Kaisha | Data processing apparatus, image processing apparatus, and method therefor |
US9577667B2 (en) | 2002-04-23 | 2017-02-21 | Ntt Docomo, Inc. | System and method for arithmetic encoding and decoding |
DK1504408T3 (en) * | 2002-04-23 | 2016-01-25 | Ntt Docomo Inc | Arithmetic coding system and method |
JP2004221633A (ja) * | 2003-01-09 | 2004-08-05 | Ricoh Co Ltd | 画像処理装置、画像処理用プログラム及び記憶媒体 |
JP2004221998A (ja) * | 2003-01-15 | 2004-08-05 | Canon Inc | 画像処理装置 |
US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
US7454073B2 (en) | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7680349B2 (en) | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
US7242328B1 (en) | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
JP2010245938A (ja) * | 2009-04-08 | 2010-10-28 | Sony Corp | 信号処理装置、信号処理方法、プログラム |
US9088296B2 (en) | 2011-12-29 | 2015-07-21 | Microsoft Technology Licensing, Llc | Variable length coding and decoding using counters |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1155557B (it) | 1982-07-19 | 1987-01-28 | Cselt Centro Studi Lab Telecom | Metdodo e dispositivo per la codifica del segnale d immagine con riduzione di ridondanza a distorsione localmente uniforme |
US4791680A (en) * | 1986-03-25 | 1988-12-13 | Matsushita Electric Industrial Co. | Image data converter |
US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
JPH078437B2 (ja) * | 1987-01-26 | 1995-02-01 | 日本鋼管株式会社 | ア−ク溶接方法 |
JPH0618438B2 (ja) * | 1987-03-24 | 1994-03-09 | キヤノン株式会社 | 画像処理装置 |
DE3853899T2 (de) * | 1987-07-21 | 1995-12-21 | Matsushita Electric Ind Co Ltd | Verfahren und Vorrichtung zur Codierung und Decodierung eines Signals. |
DE68928509T2 (de) * | 1988-07-28 | 1998-04-23 | Canon Kk | Bildspeicheranordnung |
US4972260A (en) * | 1988-08-22 | 1990-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for coding a moving-picture signal |
JPH0832037B2 (ja) * | 1988-10-07 | 1996-03-27 | 富士写真フイルム株式会社 | 画像データ圧縮装置 |
US4975872A (en) * | 1988-11-17 | 1990-12-04 | Matsushita Electric Industrial Co., Ltd. | Dual port memory device with tag bit marking |
JPH02141088A (ja) * | 1988-11-21 | 1990-05-30 | Nippon Telegr & Teleph Corp <Ntt> | 動画像符号化方式 |
US5184229A (en) * | 1988-12-09 | 1993-02-02 | Fuji Photo Film Co., Ltd. | Compression coding device and expansion decoding device for picture signal |
US5051840A (en) * | 1988-12-14 | 1991-09-24 | Fuji Photo Film Co., Ltd. | Device for coding a picture signal by compression |
JPH0797753B2 (ja) * | 1989-01-24 | 1995-10-18 | 日本ビクター株式会社 | 符号化出力データ量の制御方式 |
US4929946A (en) * | 1989-02-09 | 1990-05-29 | Storage Technology Corporation | Adaptive data compression apparatus including run length encoding for a tape drive system |
JPH02226886A (ja) * | 1989-02-28 | 1990-09-10 | Sony Corp | データ伝送装置及び伝送方法 |
DE69010366T2 (de) * | 1989-03-30 | 1994-12-01 | Canon Kk | Stehbild-Videokamera. |
JPH0832047B2 (ja) * | 1989-04-28 | 1996-03-27 | 日本ビクター株式会社 | 予測符号化装置 |
JPH02305182A (ja) * | 1989-05-19 | 1990-12-18 | Fuji Photo Film Co Ltd | 画像信号圧縮符号化装置 |
JP2520306B2 (ja) * | 1989-05-24 | 1996-07-31 | 三菱電機株式会社 | 変換符号化装置 |
JPH033479A (ja) * | 1989-05-30 | 1991-01-09 | Nec Corp | 画像信号の符号化方式 |
JP2523876B2 (ja) * | 1989-06-14 | 1996-08-14 | 松下電器産業株式会社 | 動画像符号化装置 |
JP2881886B2 (ja) * | 1989-12-30 | 1999-04-12 | ソニー株式会社 | 映像信号符号化方法及びその装置 |
US5079621A (en) * | 1990-06-29 | 1992-01-07 | Eastman Kodak Company | Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism |
JP3016491B2 (ja) | 1990-12-25 | 2000-03-06 | 松下電工株式会社 | ジョイントボックス |
EP0495490B1 (de) * | 1991-01-17 | 1998-05-27 | Mitsubishi Denki Kabushiki Kaisha | Vorrichtung zur Kodierung eines Videosignals |
DE69226095T2 (de) * | 1991-01-17 | 1999-03-11 | Sharp Kk | Bildkodier- und Dekodiersystem unter Verwendung einer Orthogonaltransformation und Bitzuordnungsverfahren |
JP3003479B2 (ja) | 1992-11-06 | 2000-01-31 | 株式会社デンソー | 日射センサ |
-
1991
- 1991-07-29 DE DE69130275T patent/DE69130275T2/de not_active Expired - Fee Related
- 1991-07-29 EP EP91306942A patent/EP0469835B1/de not_active Expired - Lifetime
-
1994
- 1994-07-26 US US08/280,584 patent/US6198848B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0469835A2 (de) | 1992-02-05 |
US6198848B1 (en) | 2001-03-06 |
EP0469835B1 (de) | 1998-09-30 |
DE69130275D1 (de) | 1998-11-05 |
EP0469835A3 (de) | 1994-01-05 |
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