KR100248692B1 - 비디오 신호 코딩 시스템과 비디오 신호 코딩 방법 - Google Patents
비디오 신호 코딩 시스템과 비디오 신호 코딩 방법 Download PDFInfo
- Publication number
- KR100248692B1 KR100248692B1 KR1019910003080A KR910003080A KR100248692B1 KR 100248692 B1 KR100248692 B1 KR 100248692B1 KR 1019910003080 A KR1019910003080 A KR 1019910003080A KR 910003080 A KR910003080 A KR 910003080A KR 100248692 B1 KR100248692 B1 KR 100248692B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- image data
- circuit
- frame
- quantization
- 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
- 238000000034 method Methods 0.000 title claims description 29
- 238000013139 quantization Methods 0.000 claims abstract description 182
- 239000000872 buffer Substances 0.000 claims abstract description 137
- 230000005540 biological transmission Effects 0.000 claims abstract description 98
- 230000007423 decrease Effects 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 abstract description 30
- 238000012546 transfer Methods 0.000 description 95
- 230000033001 locomotion Effects 0.000 description 74
- 238000012545 processing Methods 0.000 description 66
- 238000006243 chemical reaction Methods 0.000 description 48
- 238000001514 detection method Methods 0.000 description 40
- 238000011156 evaluation Methods 0.000 description 28
- 230000008859 change Effects 0.000 description 21
- 230000008929 regeneration Effects 0.000 description 17
- 238000011069 regeneration method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 239000011159 matrix material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 101150065184 sym-2 gene Proteins 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 238000012937 correction Methods 0.000 description 7
- 101000604123 Homo sapiens Noggin Proteins 0.000 description 5
- 101000969776 Homo sapiens Protein Mpv17 Proteins 0.000 description 5
- 102100021273 Protein Mpv17 Human genes 0.000 description 5
- 101100281642 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FRM2 gene Proteins 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 3
- 101100438139 Vulpes vulpes CABYR gene Proteins 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 101100421135 Caenorhabditis elegans sel-5 gene Proteins 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 101100191136 Arabidopsis thaliana PCMP-A2 gene Proteins 0.000 description 1
- 102100039385 Histone deacetylase 11 Human genes 0.000 description 1
- 108700038332 Histone deacetylase 11 Proteins 0.000 description 1
- 101100422768 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SUL2 gene Proteins 0.000 description 1
- 101100048260 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UBX2 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000012536 storage buffer Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/102—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/60—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/149—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
- H04N19/10—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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
- H04N19/90—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44846 | 1990-02-26 | ||
| JP2044846A JPH03247191A (ja) | 1990-02-26 | 1990-02-26 | 映像信号符号化方法 |
| JP04753190A JP3154254B2 (ja) | 1990-02-28 | 1990-02-28 | 画像データ符号化装置 |
| JP2047521A JPH03250811A (ja) | 1990-02-28 | 1990-02-28 | フイルタ回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100248692B1 true KR100248692B1 (ko) | 2000-03-15 |
Family
ID=27292045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910003080A Expired - Lifetime KR100248692B1 (ko) | 1990-02-26 | 1991-02-26 | 비디오 신호 코딩 시스템과 비디오 신호 코딩 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5164828A (https=) |
| EP (3) | EP0739142B1 (https=) |
| KR (1) | KR100248692B1 (https=) |
| DE (3) | DE69133024T2 (https=) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2514115B2 (ja) * | 1991-02-15 | 1996-07-10 | 株式会社グラフィックス・コミュニケーション・テクノロジーズ | 画像信号符号化装置 |
| DE4118571A1 (de) * | 1991-06-06 | 1992-12-10 | Philips Patentverwaltung | Vorrichtung zur steuerung des quantisierers eines hybrid-kodierers |
| US5357281A (en) * | 1991-11-07 | 1994-10-18 | Canon Kabushiki Kaisha | Image processing apparatus and terminal apparatus |
| SE468737B (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren |
| SE9103380L (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter |
| JP3241778B2 (ja) * | 1991-12-24 | 2001-12-25 | ソニー株式会社 | 符号化装置 |
| JPH05236465A (ja) * | 1992-02-24 | 1993-09-10 | Sony Corp | ビデオ信号の伝送方法 |
| FR2688369B1 (fr) * | 1992-03-03 | 1996-02-09 | Thomson Csf | Procede de codage d'images a tres bas debit et dispositif de codage-decodage mettant en óoeuvre ce procede. |
| JP3093499B2 (ja) * | 1992-03-06 | 2000-10-03 | 三菱電機株式会社 | シーンチェンジ検出装置 |
| JPH07505514A (ja) * | 1992-04-01 | 1995-06-15 | インテル コーポレイシヨン | 同期フレームを用いてディジタル・ビデオ画像のシーケンスを圧縮および復元するための方法および装置 |
| DE69334116T2 (de) * | 1992-06-09 | 2007-08-30 | Canon K.K. | Kodierungsvorrichtung |
| KR0166716B1 (ko) * | 1992-06-18 | 1999-03-20 | 강진구 | 블럭 dpcm을 이용한 부호화/복호화방법 및 장치 |
| JPH0622301A (ja) * | 1992-06-30 | 1994-01-28 | Sony Corp | 画像符号化装置 |
| JP2871316B2 (ja) * | 1992-07-10 | 1999-03-17 | 日本ビクター株式会社 | 動画像符号化装置 |
| CA2106331C (en) * | 1992-09-17 | 1998-08-25 | Noboru Kawayachi | Adaptive prediction encoding device which can effectively refresh an encoded signal with an encoding efficiency kept high |
| JP3341781B2 (ja) * | 1992-12-15 | 2002-11-05 | ソニー株式会社 | 画像復号化装置および画像符号化装置 |
| EP1006731B1 (en) * | 1993-03-29 | 2007-06-13 | Canon Kabushiki Kaisha | Code amount control method and encoding apparatus for carrying it out |
| US5389965A (en) * | 1993-04-01 | 1995-02-14 | At&T Corp. | Video telephone station having variable image clarity |
| JP2902284B2 (ja) * | 1993-11-12 | 1999-06-07 | ケイディディ株式会社 | 動画像の符号化装置 |
| US5592226A (en) * | 1994-01-26 | 1997-01-07 | Btg Usa Inc. | Method and apparatus for video data compression using temporally adaptive motion interpolation |
| DE69524896T2 (de) * | 1994-03-25 | 2002-11-14 | Nec Corp., Tokio/Tokyo | Wiedergabe von Videobildern mit erhöhter Geschwindigkeit |
| US5805223A (en) * | 1994-05-25 | 1998-09-08 | Canon Kk | Image encoding apparatus having an intrapicture encoding mode and interpicture encoding mode |
| US5872597A (en) * | 1994-08-26 | 1999-02-16 | Kabushiki Kaisha Toshiba | System for decoding moving picture signal multiplied and coded by DCT coefficient and additional data |
| US5608458A (en) * | 1994-10-13 | 1997-03-04 | Lucent Technologies Inc. | Method and apparatus for a region-based approach to coding a sequence of video images |
| US5552832A (en) * | 1994-10-26 | 1996-09-03 | Intel Corporation | Run-length encoding sequence for video signals |
| US5623312A (en) * | 1994-12-22 | 1997-04-22 | Lucent Technologies Inc. | Compressed-domain bit rate reduction system |
| US5710595A (en) * | 1994-12-29 | 1998-01-20 | Lucent Technologies Inc. | Method and apparatus for controlling quantization and buffering for digital signal compression |
| US5864637A (en) * | 1995-04-18 | 1999-01-26 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selective reduction of spatial resolution |
| US5774600A (en) * | 1995-04-18 | 1998-06-30 | Advanced Micro Devices, Inc. | Method of pixel averaging in a video processing apparatus |
| US6002801A (en) * | 1995-04-18 | 1999-12-14 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selection of IDCT method based on image characteristics |
| WO1996033575A1 (en) * | 1995-04-18 | 1996-10-24 | Advanced Micro Devices, Inc. | Video decoder using block oriented data structures |
| US5903313A (en) * | 1995-04-18 | 1999-05-11 | Advanced Micro Devices, Inc. | Method and apparatus for adaptively performing motion compensation in a video processing apparatus |
| US5953457A (en) * | 1995-04-18 | 1999-09-14 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by prescaling of pixel and error terms to merging |
| EP0757490A3 (en) | 1995-08-02 | 1999-01-13 | Matsushita Electric Industrial Co., Ltd. | Video coding device and video transmission system using the same, quantization control method and average throughput calculation method used therein |
| CN1113541C (zh) * | 1995-10-25 | 2003-07-02 | 皇家菲利浦电子有限公司 | 分割图象编码方法及系统,以及相应的译码方法及系统 |
| US5825422A (en) * | 1995-12-29 | 1998-10-20 | Daewoo Electronics Co. Ltd. | Method and apparatus for encoding a video signal based on inter-block redundancies |
| JPH10234033A (ja) * | 1997-02-21 | 1998-09-02 | Matsushita Electric Ind Co Ltd | 動画像信号の復号方法および動画像信号の復号装置 |
| US6061399A (en) * | 1997-05-28 | 2000-05-09 | Sarnoff Corporation | Method and apparatus for information stream frame synchronization |
| RU2154918C1 (ru) * | 1998-08-01 | 2000-08-20 | Самсунг Электроникс Ко., Лтд. | Способ и устройство для цикл-фильтрации данных изображения |
| EP1056295B1 (en) * | 1998-12-10 | 2006-11-02 | Matsushita Electric Industrial Co., Ltd. | Filter arithmetic device |
| AU2003900746A0 (en) * | 2003-02-17 | 2003-03-06 | Silverbrook Research Pty Ltd | Methods, systems and apparatus (NPS041) |
| TW499672B (en) * | 2000-02-18 | 2002-08-21 | Intervideo Inc | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
| GB0022949D0 (en) | 2000-09-19 | 2000-11-01 | Sgs Thomson Microelectronics | Processing instruction words |
| EP1225704A1 (en) * | 2001-01-12 | 2002-07-24 | STMicroelectronics S.r.l. | "A process and system for compressing and decompressing digital information and computer program product therefor |
| EP1374429A4 (en) * | 2001-03-05 | 2009-11-11 | Intervideo Inc | SYSTEMS AND METHOD FOR CODING AND DECODING REDUNDANT MOTION VECTORS IN COMPRESSED VIDEO BITSTRAMS |
| US7412004B2 (en) * | 2001-06-29 | 2008-08-12 | Agere Systems Inc. | Method and apparatus for controlling buffer overflow in a communication system |
| US7460629B2 (en) | 2001-06-29 | 2008-12-02 | Agere Systems Inc. | Method and apparatus for frame-based buffer control in a communication system |
| US7418037B1 (en) | 2002-07-15 | 2008-08-26 | Apple Inc. | Method of performing rate control for a compression system |
| US7769084B1 (en) | 2002-07-15 | 2010-08-03 | Apple Inc. | Method for implementing a quantizer in a multimedia compression and encoding system |
| EP1422946A4 (en) * | 2002-07-26 | 2008-04-02 | Matsushita Electric Industrial Co Ltd | MOVING IMAGE PROCEDURE, MOVABLE IMAGE DECODING METHOD AND RECORD MEDIUM |
| US7804897B1 (en) * | 2002-12-16 | 2010-09-28 | Apple Inc. | Method for implementing an improved quantizer in a multimedia compression and encoding system |
| US7940843B1 (en) | 2002-12-16 | 2011-05-10 | Apple Inc. | Method of implementing improved rate control for a multimedia compression and encoding system |
| JP5227875B2 (ja) * | 2009-04-06 | 2013-07-03 | 株式会社日立製作所 | 動画像符号化装置 |
| CN107277519B (zh) * | 2017-06-30 | 2019-11-15 | 武汉斗鱼网络科技有限公司 | 一种判断视频帧的帧类型的方法及电子设备 |
| KR102543444B1 (ko) * | 2017-08-29 | 2023-06-13 | 삼성전자주식회사 | 영상 부호화 장치 |
| US11412260B2 (en) * | 2018-10-29 | 2022-08-09 | Google Llc | Geometric transforms for image compression |
| CN115695814B (zh) * | 2022-09-27 | 2025-11-25 | 上海航天测控通信研究所 | 受限带宽下自适应码率航天器图像编码器 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002516A1 (fr) * | 1984-10-10 | 1986-04-24 | Telefunken Fernseh Und Rundfunk Gmbh | Procede pour l'enregistrement et/ou la restitution de signaux a codage numerique |
| EP0197446A1 (de) * | 1985-03-29 | 1986-10-15 | Siemens Aktiengesellschaft | Verfahren zur Verbesserung der Bildqualität bei DPCM-codierten Bildsignalen |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114920A (en) * | 1978-02-28 | 1979-09-07 | Kokusai Denshin Denwa Co Ltd | Television signal adaptive forecasting encoding system |
| US4328425A (en) * | 1980-08-04 | 1982-05-04 | Xerox Corporation | Filter for image pixels |
| JPS58127488A (ja) * | 1982-01-25 | 1983-07-29 | Kokusai Denshin Denwa Co Ltd <Kdd> | テレビジヨン信号の適応予測符号化方式 |
| JPH0620303B2 (ja) * | 1984-11-08 | 1994-03-16 | 日本電信電話株式会社 | フレ−ム間符号化方式におけるリフレッシュ処理方式 |
| CA1252569A (en) * | 1985-09-13 | 1989-04-11 | Akihiro Furukawa | Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures |
| EP0624037B1 (en) * | 1987-04-28 | 2001-10-10 | Mitsubishi Denki Kabushiki Kaisha | Image coding system |
| FR2625635B1 (fr) * | 1987-12-30 | 1994-04-15 | Thomson Grand Public | Procede adaptatif de codage et de decodage d'une suite d'images par transformation, et dispositifs pour la mise en oeuvre de ce procede |
| EP0330455A3 (en) * | 1988-02-22 | 1990-07-04 | Kabushiki Kaisha Toshiba | Image encoding apparatus |
| DE3811536A1 (de) * | 1988-04-06 | 1989-10-19 | Philips Patentverwaltung | Praediktiver standbildcodierer |
| JP2870756B2 (ja) * | 1988-04-20 | 1999-03-17 | 株式会社リコー | 空間フィルタ画像処理装置 |
| JP2570384B2 (ja) * | 1988-05-30 | 1997-01-08 | 日本電気株式会社 | 動画像信号の符号化・復号化方式 |
| US4953023A (en) * | 1988-09-29 | 1990-08-28 | Sony Corporation | Coding apparatus for encoding and compressing video data |
| JPH02172389A (ja) * | 1988-12-26 | 1990-07-03 | Victor Co Of Japan Ltd | 動画像信号の高能率符号化方式 |
| ES2040499T3 (es) * | 1989-05-12 | 1993-10-16 | Rai Radiotelevisione Italiana | Dispositivo mejorado para la codificacion por transformada cosinusoidal de videosenales digitales. |
| JPH0714209B2 (ja) * | 1989-12-20 | 1995-02-15 | 松下電器産業株式会社 | 動画像符号化装置 |
-
1991
- 1991-02-21 US US07/658,787 patent/US5164828A/en not_active Expired - Lifetime
- 1991-02-25 EP EP96110475A patent/EP0739142B1/en not_active Expired - Lifetime
- 1991-02-25 EP EP96110477A patent/EP0739143B1/en not_active Expired - Lifetime
- 1991-02-25 DE DE69133024T patent/DE69133024T2/de not_active Expired - Lifetime
- 1991-02-25 DE DE69132646T patent/DE69132646T2/de not_active Expired - Lifetime
- 1991-02-25 DE DE69130076T patent/DE69130076T2/de not_active Expired - Lifetime
- 1991-02-25 EP EP91301467A patent/EP0444839B1/en not_active Expired - Lifetime
- 1991-02-26 KR KR1019910003080A patent/KR100248692B1/ko not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002516A1 (fr) * | 1984-10-10 | 1986-04-24 | Telefunken Fernseh Und Rundfunk Gmbh | Procede pour l'enregistrement et/ou la restitution de signaux a codage numerique |
| EP0197446A1 (de) * | 1985-03-29 | 1986-10-15 | Siemens Aktiengesellschaft | Verfahren zur Verbesserung der Bildqualität bei DPCM-codierten Bildsignalen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69133024T2 (de) | 2003-02-06 |
| EP0739143A3 (en) | 1996-12-18 |
| EP0739142A3 (en) | 1996-12-18 |
| EP0739142A2 (en) | 1996-10-23 |
| EP0444839B1 (en) | 1998-09-02 |
| EP0444839A2 (en) | 1991-09-04 |
| EP0739143B1 (en) | 2002-05-29 |
| DE69132646T2 (de) | 2002-04-25 |
| EP0739143A2 (en) | 1996-10-23 |
| DE69130076D1 (de) | 1998-10-08 |
| DE69130076T2 (de) | 1999-04-29 |
| EP0739142B1 (en) | 2001-06-27 |
| US5164828A (en) | 1992-11-17 |
| EP0444839A3 (https=) | 1994-02-09 |
| DE69133024D1 (de) | 2002-07-04 |
| DE69132646D1 (de) | 2001-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100248692B1 (ko) | 비디오 신호 코딩 시스템과 비디오 신호 코딩 방법 | |
| US6587509B1 (en) | Reducing undesirable effects of an emphasis processing operation performed on a moving image by adding a noise signal to a decoded uncompressed signal | |
| EP0396360B1 (en) | Apparatus for inter-frame predictive encoding of video signal | |
| US5949908A (en) | Method of reducing quantization noise generated during a decoding process of image data and device for decoding image data | |
| US5687095A (en) | Video transmission rate matching for multimedia communication systems | |
| US5887061A (en) | Compression coding device with scrambling function and expansion reproducing device with descrambling function | |
| EP1497990B1 (en) | Method and device for indicating quantizer parameters in a video coding system | |
| USRE35158E (en) | Apparatus for adaptive inter-frame predictive encoding of video signal | |
| US5623312A (en) | Compressed-domain bit rate reduction system | |
| US5802213A (en) | Encoding video signals using local quantization levels | |
| US5694492A (en) | Post-processing method and apparatus for removing a blocking effect in a decoded image signal | |
| JPH1051775A (ja) | 動映像復号化器のブロック化現象除去方法及び装置 | |
| JPH06189281A (ja) | 適応的フレーム/フィールドフォーマット圧縮を用いた映像信号符号化装置 | |
| JPH04328982A (ja) | 高能率符号化装置及び復号化装置 | |
| US7095448B2 (en) | Image processing circuit and method for modifying a pixel value | |
| EP0667717B1 (en) | Method and apparatus for reproducing picture data | |
| US5191446A (en) | Image data transmission system | |
| Mukawa et al. | An interframe coding system for video teleconferencing signal transmission at a 1.5 Mbit/s rate | |
| CA2219746A1 (en) | Improved post-processing method and apparatus for use in an image signal decoding system | |
| JPH07222048A (ja) | 撮像装置 | |
| JPH02241285A (ja) | 動画像信号の高能率符号化装置 | |
| GB2393060A (en) | Manipulation of video compression | |
| JP2000333178A (ja) | 符号化装置及び方法 | |
| JP3461151B2 (ja) | 符号化装置及び方法 | |
| JP2864632B2 (ja) | 映像信号伝送装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19910226 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960226 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19910226 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19990224 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990922 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19991220 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 19991221 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| G170 | Re-publication after modification of scope of protection [patent] | ||
| PR1001 | Payment of annual fee |
Payment date: 20021121 Start annual number: 4 End annual number: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20031121 Start annual number: 5 End annual number: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20041124 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20051130 Start annual number: 7 End annual number: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20061201 Start annual number: 8 End annual number: 8 |
|
| PR1001 | Payment of annual fee |
Payment date: 20071127 Start annual number: 9 End annual number: 9 |
|
| PR1001 | Payment of annual fee |
Payment date: 20081120 Start annual number: 10 End annual number: 10 |
|
| PR1001 | Payment of annual fee |
Payment date: 20091127 Start annual number: 11 End annual number: 11 |
|
| FPAY | Annual fee payment |
Payment date: 20101213 Year of fee payment: 12 |
|
| PR1001 | Payment of annual fee |
Payment date: 20101213 Start annual number: 12 End annual number: 12 |
|
| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |
Termination date: 20111110 Termination category: Expiration of duration |