GB2410852B - Manipulation of video compression - Google Patents
Manipulation of video compressionInfo
- Publication number
- GB2410852B GB2410852B GB0504586A GB0504586A GB2410852B GB 2410852 B GB2410852 B GB 2410852B GB 0504586 A GB0504586 A GB 0504586A GB 0504586 A GB0504586 A GB 0504586A GB 2410852 B GB2410852 B GB 2410852B
- Authority
- GB
- United Kingdom
- Prior art keywords
- manipulation
- video compression
- video
- compression
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/134—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
- H04N19/10—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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
-
- 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
- H04N19/60—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Color Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0221146A GB2393060B (en) | 2002-09-12 | 2002-09-12 | Manipulation of video compression |
PCT/GB2003/003991 WO2004025964A2 (en) | 2002-09-12 | 2003-09-12 | Manipulation of video compression |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0504586D0 GB0504586D0 (en) | 2005-04-13 |
GB2410852A GB2410852A (en) | 2005-08-10 |
GB2410852B true GB2410852B (en) | 2006-01-04 |
Family
ID=9943919
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0221146A Expired - Fee Related GB2393060B (en) | 2002-09-12 | 2002-09-12 | Manipulation of video compression |
GB0504586A Expired - Fee Related GB2410852B (en) | 2002-09-12 | 2003-09-12 | Manipulation of video compression |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0221146A Expired - Fee Related GB2393060B (en) | 2002-09-12 | 2002-09-12 | Manipulation of video compression |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2003269142A1 (en) |
DE (1) | DE10393211T5 (en) |
GB (2) | GB2393060B (en) |
WO (1) | WO2004025964A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1860886A4 (en) * | 2005-03-14 | 2011-08-03 | Panasonic Corp | Encoding device and dynamic image recording system having the encoding device |
JPWO2008132890A1 (en) * | 2007-04-16 | 2010-07-22 | 株式会社東芝 | Method and apparatus for image encoding and image decoding |
ES2350664B1 (en) * | 2008-09-01 | 2011-11-16 | Fundacion Cetena | BIT-RATE CONTROL METHOD IN MJPEG-BASED DIGITAL VIDEO COMPRESSION SYSTEMS. |
WO2013158293A1 (en) * | 2012-04-19 | 2013-10-24 | Vid Scale, Inc. | System and method for error-resilient video coding |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4132359A1 (en) * | 1991-09-27 | 1993-04-01 | Grundig Emv | METHOD FOR RECORDING MOVING IMAGES FOR A FOLLOWING, MOTION-INFORMATION-BASED SIGNAL PROCESSING |
WO1999009747A1 (en) * | 1997-08-14 | 1999-02-25 | Samsung Electronics Co., Ltd. | Video transmission apparatus employing intra-frame-only video compression that is mpeg-2 compatible |
US5915069A (en) * | 1995-09-27 | 1999-06-22 | Sony Corporation | Apparatus and method for recording a video signal on a record medium |
WO2001022735A1 (en) * | 1999-09-21 | 2001-03-29 | Hewlett-Packard Company | Video communication using multiple streams |
FR2811187A1 (en) * | 2000-07-03 | 2002-01-04 | Telediffusion De France Tdf | Public place/road traffic/site surveillance having digital video sequences with predictive/non predictive images with adaptive time coding varying image step sizes following alert state. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0514663A3 (en) * | 1991-05-24 | 1993-07-14 | International Business Machines Corporation | An apparatus and method for motion video encoding employing an adaptive quantizer |
US5384598A (en) * | 1992-10-20 | 1995-01-24 | International Business Machines Corporation | System and method for frame differencing video compression and decompression with frame rate scalability |
CA2105209A1 (en) * | 1993-08-31 | 1995-03-01 | Limin Wang | Bit rate control for hybrid dpcm/dct video codec |
US5731837A (en) * | 1996-01-25 | 1998-03-24 | Thomson Multimedia, S.A. | Quantization circuitry as for video signal compression systems |
US6480541B1 (en) * | 1996-11-27 | 2002-11-12 | Realnetworks, Inc. | Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts |
US6118822A (en) * | 1997-12-01 | 2000-09-12 | Conexant Systems, Inc. | Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes |
JPH11196422A (en) * | 1997-12-16 | 1999-07-21 | Texas Instr Inc <Ti> | Encode method of image signal |
-
2002
- 2002-09-12 GB GB0221146A patent/GB2393060B/en not_active Expired - Fee Related
-
2003
- 2003-09-12 DE DE10393211T patent/DE10393211T5/en not_active Ceased
- 2003-09-12 GB GB0504586A patent/GB2410852B/en not_active Expired - Fee Related
- 2003-09-12 WO PCT/GB2003/003991 patent/WO2004025964A2/en not_active Application Discontinuation
- 2003-09-12 AU AU2003269142A patent/AU2003269142A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4132359A1 (en) * | 1991-09-27 | 1993-04-01 | Grundig Emv | METHOD FOR RECORDING MOVING IMAGES FOR A FOLLOWING, MOTION-INFORMATION-BASED SIGNAL PROCESSING |
US5915069A (en) * | 1995-09-27 | 1999-06-22 | Sony Corporation | Apparatus and method for recording a video signal on a record medium |
WO1999009747A1 (en) * | 1997-08-14 | 1999-02-25 | Samsung Electronics Co., Ltd. | Video transmission apparatus employing intra-frame-only video compression that is mpeg-2 compatible |
WO2001022735A1 (en) * | 1999-09-21 | 2001-03-29 | Hewlett-Packard Company | Video communication using multiple streams |
FR2811187A1 (en) * | 2000-07-03 | 2002-01-04 | Telediffusion De France Tdf | Public place/road traffic/site surveillance having digital video sequences with predictive/non predictive images with adaptive time coding varying image step sizes following alert state. |
Non-Patent Citations (3)
Title |
---|
KEESMAN G ET AL: "BIT-RATE CONTROL FOR MPEG ENCODERS" SIGNAL PROCESSING. IMAGE COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 6, no. 6, (1995-02-01), pages 545-560, XP000491860 ISSN: 0923-5965 * |
SONG BIN ET AL: "Control strategy of subjective video quality over error-prone channels*" COMMUNICATION TECHNOLOGY PROCEEDINGS, 2000. WCC - ICCT 2000. INTERNATIONAL CONFERENCE ON, vol. 1, (200-08-21), pages 962-965, XP010526892, * |
WENGER S: "Temporal scalability using P-pictures for low-latency applications" MULTIMEDIA SIGNAL PROCESSING, 1998 IEEE SECOND WORKSHOP ON REDONDO BEACH, CA, USA 7-9 DEC. 1998, PISCATAWAY, NJ, USA,IEEE, US, (1998-12-07), pages 559-564, XP010318327 ISBN: 0-7803-4919-9 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003269142A1 (en) | 2004-04-30 |
WO2004025964A3 (en) | 2004-07-29 |
GB0504586D0 (en) | 2005-04-13 |
WO2004025964A2 (en) | 2004-03-25 |
AU2003269142A8 (en) | 2004-04-30 |
GB2393060B (en) | 2006-01-25 |
GB2410852A (en) | 2005-08-10 |
GB0221146D0 (en) | 2002-10-23 |
DE10393211T5 (en) | 2005-10-13 |
GB2393060A (en) | 2004-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL167787A (en) | Video compression system | |
GB0210704D0 (en) | Audio compression | |
HK1163989A1 (en) | Improved interpolation of video compression frames | |
GB0230328D0 (en) | Video streaming | |
AU2003224352A8 (en) | Video coding | |
EP1499098A4 (en) | Video doorphone | |
AU2003280486A8 (en) | Computationally constrained video encoding | |
GB0229354D0 (en) | Video encoding | |
IL171878A0 (en) | Video compression system | |
GB2387287B (en) | Video compression transcoding | |
GB2393060B (en) | Manipulation of video compression | |
AU2002364104A8 (en) | Imprroved video compression system | |
AU2003279970A8 (en) | Compression of secure content | |
GB0217770D0 (en) | Video compression | |
AU2003267645A8 (en) | Image compression | |
GB0122526D0 (en) | Video compression | |
HK1056975A2 (en) | Image and video compression techniques | |
GB0215310D0 (en) | Compression of image data | |
AU2002951804A0 (en) | Digital video compression | |
AU2002951803A0 (en) | Digital video compression | |
AU2002951802A0 (en) | Digital video compression | |
AU2002951805A0 (en) | Digital video compression | |
GB0320847D0 (en) | Video data compression | |
AU2002324221A1 (en) | Video compression | |
TW562299U (en) | Audio/video connector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20100912 |