DE69132017D1 - Kodierungsvorrichtung - Google Patents
KodierungsvorrichtungInfo
- Publication number
- DE69132017D1 DE69132017D1 DE69132017T DE69132017T DE69132017D1 DE 69132017 D1 DE69132017 D1 DE 69132017D1 DE 69132017 T DE69132017 T DE 69132017T DE 69132017 T DE69132017 T DE 69132017T DE 69132017 D1 DE69132017 D1 DE 69132017D1
- Authority
- DE
- Germany
- Prior art keywords
- coding device
- coding
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3053—Block-companding PCM systems
-
- 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
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/169—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
- H04N19/169—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
- H04N19/18—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 set of transform coefficients
-
- 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
-
- 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]
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28212190A JP2834305B2 (ja) | 1990-10-19 | 1990-10-19 | 符号化装置 |
JP30738890A JP2839358B2 (ja) | 1990-11-13 | 1990-11-13 | 符号化装置及びその方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69132017D1 true DE69132017D1 (de) | 2000-04-06 |
DE69132017T2 DE69132017T2 (de) | 2000-06-29 |
Family
ID=26554478
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69132017T Expired - Lifetime DE69132017T2 (de) | 1990-10-19 | 1991-10-17 | Kodierungsvorrichtung |
DE69127420T Expired - Lifetime DE69127420T2 (de) | 1990-10-19 | 1991-10-17 | Kodierungsgerät |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69127420T Expired - Lifetime DE69127420T2 (de) | 1990-10-19 | 1991-10-17 | Kodierungsgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US5150208A (de) |
EP (2) | EP0737015B1 (de) |
KR (1) | KR950002677B1 (de) |
DE (2) | DE69132017T2 (de) |
HK (2) | HK1002343A1 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04249490A (ja) * | 1991-02-06 | 1992-09-04 | Matsushita Electric Ind Co Ltd | 符号化装置 |
TW256010B (de) * | 1991-04-18 | 1995-09-01 | Ampex | |
JPH04323963A (ja) * | 1991-04-23 | 1992-11-13 | Canon Inc | 画像処理方法及び装置 |
JPH04323960A (ja) * | 1991-04-23 | 1992-11-13 | Canon Inc | 画像符号化装置 |
US6512791B1 (en) * | 1991-05-15 | 2003-01-28 | Canon Kabushiki Kaisha | Image processing apparatus having means for controlling exposure using an orthogonal transformation coefficient |
JPH0583696A (ja) * | 1991-06-07 | 1993-04-02 | Sony Corp | 画像符号化装置 |
US5530478A (en) * | 1991-08-21 | 1996-06-25 | Kabushiki Kaisha Toshiba | Image data compressing apparatus |
JP3532221B2 (ja) * | 1991-11-05 | 2004-05-31 | ソニー株式会社 | 符号化方法 |
US5355450A (en) | 1992-04-10 | 1994-10-11 | Avid Technology, Inc. | Media composer with adjustable source material compression |
JP3298915B2 (ja) * | 1991-12-28 | 2002-07-08 | ソニー株式会社 | 符号化装置 |
US5349384A (en) * | 1992-01-14 | 1994-09-20 | Sony Corporation | Apparatus and methods for transmitting compressed digital image signals |
JP3428033B2 (ja) * | 1992-02-19 | 2003-07-22 | 株式会社日立製作所 | ディジタルvtr |
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 |
US5592302A (en) * | 1992-03-23 | 1997-01-07 | Canon Kabushiki Kaisha | Coding method for coding pixel blocks and apparatus therefor |
US5329313A (en) * | 1992-04-01 | 1994-07-12 | Intel Corporation | Method and apparatus for real time compression and decompression of a digital motion video signal using a fixed Huffman table |
US5325126A (en) * | 1992-04-01 | 1994-06-28 | Intel Corporation | Method and apparatus for real time compression and decompression of a digital motion video signal |
US5440344A (en) * | 1992-04-28 | 1995-08-08 | Mitsubishi Denki Kabushiki Kaisha | Video encoder using adjacent pixel difference for quantizer control |
US5367385A (en) * | 1992-05-07 | 1994-11-22 | Picturetel Corporation | Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks |
JP2940304B2 (ja) * | 1992-06-15 | 1999-08-25 | 松下電器産業株式会社 | 高能率符号化装置および高能率符号化方法および高能率符号化装置の復号装置 |
US5291281A (en) * | 1992-06-18 | 1994-03-01 | General Instrument Corporation | Adaptive coding level control for video compression systems |
JP3245977B2 (ja) * | 1992-06-30 | 2002-01-15 | ソニー株式会社 | ディジタル画像信号の伝送装置 |
JP3132184B2 (ja) * | 1992-09-04 | 2001-02-05 | 株式会社日立製作所 | 画像データ記録再生装置 |
JP3348310B2 (ja) * | 1992-09-28 | 2002-11-20 | ソニー株式会社 | 動画像符号化方法および動画像符号化装置 |
US5426463A (en) * | 1993-02-22 | 1995-06-20 | Rca Thomson Licensing Corporation | Apparatus for controlling quantizing in a video signal compressor |
DE69424591T2 (de) | 1993-03-29 | 2001-01-18 | Canon Kk | Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben. |
KR0134343B1 (ko) * | 1993-04-13 | 1998-04-29 | 김광호 | 양자화레벨을 이용한 부호화방법 및 그 장치 |
US5596421A (en) * | 1993-06-03 | 1997-01-21 | Matsushita Electric Industrial Co., Ltd. | Optical disk recorder for video signals and an optical disk for use therein |
US5724097A (en) * | 1993-10-18 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Adaptive quantization of video based on edge detection |
WO1995022228A1 (en) * | 1994-02-15 | 1995-08-17 | Sony Corporation | Method and device for encoding image signal |
FR2718303B1 (fr) * | 1994-03-30 | 1996-07-12 | Sgs Thomson Microelectronics | Circuit de quantification. |
DE69523363T2 (de) * | 1994-04-13 | 2002-05-16 | Matsushita Electric Ind Co Ltd | Verfahren und Einrichtung zur Quantisierungsschätzung in der Datenkompression |
JP3115199B2 (ja) * | 1994-12-16 | 2000-12-04 | 松下電器産業株式会社 | 画像圧縮符号化装置 |
US5825970A (en) * | 1994-12-20 | 1998-10-20 | Lg Electronics Inc. | Quantization number selecting apparatus for DVCR and method therefor |
JPH08181987A (ja) * | 1994-12-22 | 1996-07-12 | Canon Inc | 符号化装置 |
EP0759678B1 (de) * | 1995-03-09 | 2007-11-28 | Sony Corporation | Bildsignalkodierungsmethode und -vorrichtung |
US5819004A (en) * | 1995-05-08 | 1998-10-06 | Kabushiki Kaisha Toshiba | Method and system for a user to manually alter the quality of previously encoded video frames |
US5734433A (en) * | 1995-06-21 | 1998-03-31 | Sony Corporation | Picture encoding apparatus, picture encoding method, picture encoding and transmitting method, and picture record medium |
WO1999033275A1 (en) * | 1997-12-23 | 1999-07-01 | Sarnoff Corporation | Partial decoding of compressed video sequences |
US6101278A (en) * | 1998-01-30 | 2000-08-08 | Philips Electronics North America Corp. | System for extracting coding parameters from video data |
US6389073B1 (en) | 1998-04-07 | 2002-05-14 | Matsushita Electric Industrial Co. Ltd | Coding control method, coding control apparatus and storage medium containing coding control program |
EP1091588A4 (de) * | 1999-04-23 | 2004-08-11 | Sony Corp | Bildkodierer und verfahren |
US8213498B2 (en) * | 2007-05-31 | 2012-07-03 | Qualcomm Incorporated | Bitrate reduction techniques for image transcoding |
US20100023924A1 (en) * | 2008-07-23 | 2010-01-28 | Microsoft Corporation | Non-constant data encoding for table-driven systems |
JP5685683B2 (ja) * | 2011-10-28 | 2015-03-18 | 株式会社Gnzo | バイトアラインメント装置及びバイトアラインメント方法 |
US20150043637A1 (en) * | 2012-04-13 | 2015-02-12 | Sony Corporation | Image processing device and method |
GB2593523B (en) * | 2020-03-26 | 2023-06-14 | Imagination Tech Ltd | Image data compression |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1197005A (en) * | 1981-09-29 | 1985-11-19 | Norio Suzuki | System comprising a preliminary processing device controlled in accordance with an amount of information stored in a buffer |
JPS62222783A (ja) * | 1986-03-24 | 1987-09-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | 動画像の高能率符号化方式 |
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 |
US4984076A (en) * | 1988-07-27 | 1991-01-08 | Kabushiki Kaisha Toshiba | Image compression coding system |
US5073821A (en) * | 1989-01-30 | 1991-12-17 | Matsushita Electric Industrial Co., Ltd. | Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted |
JPH02226886A (ja) * | 1989-02-28 | 1990-09-10 | Sony Corp | データ伝送装置及び伝送方法 |
DE69031198T2 (de) * | 1989-06-09 | 1998-03-19 | Matsushita Electric Ind Co Ltd | Einrichtung zur orthogonalen Transformationskodierung |
JP2839339B2 (ja) * | 1990-08-06 | 1998-12-16 | 松下電器産業株式会社 | 直交変換符号化装置および直交変換符号化方法 |
-
1991
- 1991-10-16 US US07/777,015 patent/US5150208A/en not_active Expired - Lifetime
- 1991-10-17 EP EP96201453A patent/EP0737015B1/de not_active Expired - Lifetime
- 1991-10-17 DE DE69132017T patent/DE69132017T2/de not_active Expired - Lifetime
- 1991-10-17 DE DE69127420T patent/DE69127420T2/de not_active Expired - Lifetime
- 1991-10-17 EP EP91309550A patent/EP0481768B1/de not_active Expired - Lifetime
- 1991-10-19 KR KR1019910018472A patent/KR950002677B1/ko not_active IP Right Cessation
-
1998
- 1998-02-20 HK HK98101333A patent/HK1002343A1/xx not_active IP Right Cessation
- 1998-03-07 HK HK98101879A patent/HK1002692A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0737015B1 (de) | 2000-03-01 |
DE69127420T2 (de) | 1998-02-12 |
EP0481768A3 (en) | 1993-01-20 |
US5150208A (en) | 1992-09-22 |
EP0737015A3 (de) | 1997-02-26 |
KR920009232A (ko) | 1992-05-28 |
KR950002677B1 (ko) | 1995-03-24 |
DE69132017T2 (de) | 2000-06-29 |
EP0737015A2 (de) | 1996-10-09 |
HK1002343A1 (en) | 1998-08-14 |
EP0481768B1 (de) | 1997-08-27 |
EP0481768A2 (de) | 1992-04-22 |
HK1002692A1 (en) | 1998-09-11 |
DE69127420D1 (de) | 1997-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |