SG43261A1 - Image encoding apparatus - Google Patents
Image encoding apparatusInfo
- Publication number
- SG43261A1 SG43261A1 SG1996006638A SG1996006638A SG43261A1 SG 43261 A1 SG43261 A1 SG 43261A1 SG 1996006638 A SG1996006638 A SG 1996006638A SG 1996006638 A SG1996006638 A SG 1996006638A SG 43261 A1 SG43261 A1 SG 43261A1
- Authority
- SG
- Singapore
- Prior art keywords
- encoding apparatus
- image encoding
- image
- encoding
- Prior art date
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
- H04N19/10—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
- H04N19/102—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
- H04N19/169—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
- H04N19/196—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
- H04N19/60—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
- H04N19/134—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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03016466A JP3135271B2 (ja) | 1991-02-07 | 1991-02-07 | 符号化装置 |
JP11318991A JP3227170B2 (ja) | 1991-05-17 | 1991-05-17 | 画像符号化装置 |
JP3113226A JPH04341065A (ja) | 1991-05-17 | 1991-05-17 | 画像符号化装置及びその方法 |
JP28495791A JP3387516B2 (ja) | 1991-10-30 | 1991-10-30 | 画像符号化装置及びその方法 |
JP28495691A JPH05122530A (ja) | 1991-10-30 | 1991-10-30 | 画像符号化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG43261A1 true SG43261A1 (en) | 1997-10-17 |
Family
ID=27519817
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9802915A SG94709A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
SG9802904A SG95586A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
SG9802913A SG94708A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
SG1996006638A SG43261A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9802915A SG94709A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
SG9802904A SG95586A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
SG9802913A SG94708A1 (en) | 1991-02-07 | 1992-01-31 | Image encoding apparatus |
Country Status (4)
Country | Link |
---|---|
US (4) | US5251029A (fr) |
EP (3) | EP0863672B1 (fr) |
DE (3) | DE69231426T2 (fr) |
SG (4) | SG94709A1 (fr) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416854A (en) * | 1990-07-31 | 1995-05-16 | Fujitsu Limited | Image data processing method and apparatus |
US5657399A (en) * | 1991-05-17 | 1997-08-12 | Canon Kabushiki Kaisha | Encoding/decoding apparatus using quantizing steps information |
US5349384A (en) * | 1992-01-14 | 1994-09-20 | Sony Corporation | Apparatus and methods for transmitting compressed digital image signals |
JP3166291B2 (ja) * | 1992-04-03 | 2001-05-14 | ソニー株式会社 | 量子化コントロール回路 |
US5291281A (en) * | 1992-06-18 | 1994-03-01 | General Instrument Corporation | Adaptive coding level control for video compression systems |
DE69424591T2 (de) | 1993-03-29 | 2001-01-18 | Canon Kk | Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben. |
US5469208A (en) * | 1993-05-26 | 1995-11-21 | Intel Corporation | Dequantization using decrements and multiply |
JPH07123269A (ja) * | 1993-10-22 | 1995-05-12 | Fuji Xerox Co Ltd | 画像信号の符号化装置 |
JP2626521B2 (ja) * | 1993-11-29 | 1997-07-02 | 日本電気株式会社 | 画像符号変換装置 |
BE1007807A3 (nl) * | 1993-11-30 | 1995-10-24 | Philips Electronics Nv | Inrichting voor het coderen van een videosignaal. |
BE1007808A3 (nl) * | 1993-11-30 | 1995-10-24 | Philips Electronics Nv | Inrichting voor het coderen van een videosignaal. |
EP0660619A1 (fr) * | 1993-12-22 | 1995-06-28 | Laboratoires D'electronique Philips S.A.S. | Procédé de codage d'images à longueur variable et dispositif de mise en oeuvre d'un tel procédé |
US5754235A (en) * | 1994-03-25 | 1998-05-19 | Sanyo Electric Co., Ltd. | Bit-rate conversion circuit for a compressed motion video bitstream |
JPH07298272A (ja) | 1994-04-28 | 1995-11-10 | Canon Inc | 映像符号化装置 |
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 |
AU703049B2 (en) * | 1995-02-15 | 1999-03-11 | Koninklijke Philips Electronics N.V. | Method and device for transcoding video signals |
US5872599A (en) * | 1995-03-08 | 1999-02-16 | Lucent Technologies Inc. | Method and apparatus for selectively discarding data when required in order to achieve a desired Huffman coding rate |
FI981546A (fi) * | 1998-07-03 | 2000-01-04 | Nokia Networks Oy | Tiedonsiirtomenetelmä ja matkapuhelinjärjestelmä |
WO2001052549A1 (fr) * | 2000-01-14 | 2001-07-19 | Koninklijke Philips Electronics N.V. | Procede et dispositif de transcodage |
JP2001285645A (ja) | 2000-01-25 | 2001-10-12 | Canon Inc | 画像入力装置、画像処理装置、画像入力方法、画像処理方法、及び画像入力システム |
JP4109404B2 (ja) * | 2000-04-26 | 2008-07-02 | 松下電器産業株式会社 | 符号化装置および符号化方法 |
JP4569840B2 (ja) * | 2007-09-12 | 2010-10-27 | ソニー株式会社 | 画像符号化装置、画像符号化方法 |
WO2009157579A1 (fr) * | 2008-06-27 | 2009-12-30 | ソニー株式会社 | Dispositif de traitement d'images et procédé de traitement d'images |
BRPI0904325A2 (pt) * | 2008-06-27 | 2015-06-30 | Sony Corp | Dispositivo e método de processamento de imagem. |
JP2015008387A (ja) | 2013-06-25 | 2015-01-15 | キヤノン株式会社 | 画像処理装置、画像処理方法およびプログラム並びに撮像装置 |
CN107389211B (zh) * | 2017-06-29 | 2019-03-12 | 西安邮电大学 | 一种二进制码转温度计码电路 |
JP7193929B2 (ja) | 2018-05-15 | 2022-12-21 | キヤノン株式会社 | 画像処理装置、画像処理方法、及び、プログラム |
GB2578633B (en) * | 2018-11-02 | 2021-10-13 | Advanced Risc Mach Ltd | Encoding data arrays |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4541012A (en) * | 1982-01-04 | 1985-09-10 | Compression Labs, Inc. | Video bandwidth reduction system employing interframe block differencing and transform domain coding |
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 |
EP0339589A3 (fr) * | 1988-04-28 | 1992-01-02 | Sharp Kabushiki Kaisha | Système de codage par transformation orthogonale pour données d'images |
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 |
US5128758A (en) * | 1989-06-02 | 1992-07-07 | North American Philips Corporation | Method and apparatus for digitally processing a high definition television augmentation signal |
DE69031198T2 (de) * | 1989-06-09 | 1998-03-19 | Matsushita Electric Ind Co Ltd | Einrichtung zur orthogonalen Transformationskodierung |
JP3085465B2 (ja) * | 1989-10-31 | 2000-09-11 | オリンパス光学工業株式会社 | 画像データの符号化装置および符号化方法 |
US5146324A (en) * | 1990-07-31 | 1992-09-08 | Ampex Corporation | Data compression using a feedforward quantization estimator |
EP0475251B1 (fr) * | 1990-09-10 | 1997-03-26 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de codage pour des données d'image numériques |
-
1992
- 1992-01-31 SG SG9802915A patent/SG94709A1/en unknown
- 1992-01-31 SG SG9802904A patent/SG95586A1/en unknown
- 1992-01-31 EP EP98201257A patent/EP0863672B1/fr not_active Expired - Lifetime
- 1992-01-31 EP EP97201674A patent/EP0804036B1/fr not_active Expired - Lifetime
- 1992-01-31 DE DE69231426T patent/DE69231426T2/de not_active Expired - Lifetime
- 1992-01-31 DE DE69228841T patent/DE69228841T2/de not_active Expired - Lifetime
- 1992-01-31 DE DE69232123T patent/DE69232123T2/de not_active Expired - Fee Related
- 1992-01-31 SG SG9802913A patent/SG94708A1/en unknown
- 1992-01-31 EP EP92300851A patent/EP0498578B1/fr not_active Expired - Lifetime
- 1992-01-31 SG SG1996006638A patent/SG43261A1/en unknown
- 1992-02-03 US US07/829,404 patent/US5251029A/en not_active Expired - Lifetime
-
1993
- 1993-03-17 US US08/032,633 patent/US5333013A/en not_active Expired - Lifetime
-
1994
- 1994-05-04 US US08/237,891 patent/US5452007A/en not_active Expired - Lifetime
- 1994-11-08 US US08/337,442 patent/US5528298A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SG94708A1 (en) | 2003-03-18 |
EP0804036A3 (fr) | 1998-01-21 |
US5452007A (en) | 1995-09-19 |
EP0498578A2 (fr) | 1992-08-12 |
EP0863672A3 (fr) | 1998-11-25 |
US5333013A (en) | 1994-07-26 |
DE69228841D1 (de) | 1999-05-12 |
EP0863672B1 (fr) | 2001-10-10 |
SG94709A1 (en) | 2003-03-18 |
DE69228841T2 (de) | 1999-09-16 |
US5528298A (en) | 1996-06-18 |
EP0863672A2 (fr) | 1998-09-09 |
EP0804036A2 (fr) | 1997-10-29 |
DE69231426T2 (de) | 2001-02-22 |
EP0804036B1 (fr) | 2000-09-06 |
SG95586A1 (en) | 2003-04-23 |
DE69231426D1 (de) | 2000-10-12 |
EP0498578B1 (fr) | 1999-04-07 |
US5251029A (en) | 1993-10-05 |
EP0498578A3 (en) | 1993-09-15 |
DE69232123T2 (de) | 2002-05-02 |
DE69232123D1 (de) | 2001-11-15 |
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