WO2003026311A3 - Video compression - Google Patents
Video compression Download PDFInfo
- Publication number
- WO2003026311A3 WO2003026311A3 PCT/GB2002/004260 GB0204260W WO03026311A3 WO 2003026311 A3 WO2003026311 A3 WO 2003026311A3 GB 0204260 W GB0204260 W GB 0204260W WO 03026311 A3 WO03026311 A3 WO 03026311A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- decoder
- image
- available
- coding
- prediction
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
-
- 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/53—Multi-resolution motion estimation; Hierarchical motion 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
- H04N19/50—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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0122526A GB2379821A (en) | 2001-09-18 | 2001-09-18 | Image compression method for providing a serially compressed sequence |
GB0122526.7 | 2001-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003026311A2 WO2003026311A2 (en) | 2003-03-27 |
WO2003026311A3 true WO2003026311A3 (en) | 2003-12-31 |
Family
ID=9922299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2002/004260 WO2003026311A2 (en) | 2001-09-18 | 2002-09-18 | Video compression |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2379821A (en) |
WO (1) | WO2003026311A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2401502B (en) * | 2003-05-07 | 2007-02-14 | British Broadcasting Corp | Data processing |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0420653A2 (en) * | 1989-09-29 | 1991-04-03 | Victor Company Of Japan, Ltd. | Motion picture data coding/decoding system having motion vector coding unit and decoding unit |
US5351095A (en) * | 1989-08-29 | 1994-09-27 | Thomson Consumer Electronics | Method and device for estimating and hierarchically coding the motion of sequences of images |
US5905535A (en) * | 1994-10-10 | 1999-05-18 | Thomson Multimedia S.A. | Differential coding of motion vectors using the median of candidate vectors |
US5978048A (en) * | 1997-09-25 | 1999-11-02 | Daewoo Electronics Co., Inc. | Method and apparatus for encoding a motion vector based on the number of valid reference motion vectors |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0748859B2 (en) * | 1986-08-11 | 1995-05-24 | 国際電信電話株式会社 | Predictive coding method for television signals |
US6049330A (en) * | 1997-08-28 | 2000-04-11 | Oak Technology, Inc. | Method and apparatus for optimizing storage of compressed images in memory |
JP2003533103A (en) * | 2000-04-27 | 2003-11-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Video compression method |
-
2001
- 2001-09-18 GB GB0122526A patent/GB2379821A/en not_active Withdrawn
-
2002
- 2002-09-18 WO PCT/GB2002/004260 patent/WO2003026311A2/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351095A (en) * | 1989-08-29 | 1994-09-27 | Thomson Consumer Electronics | Method and device for estimating and hierarchically coding the motion of sequences of images |
EP0420653A2 (en) * | 1989-09-29 | 1991-04-03 | Victor Company Of Japan, Ltd. | Motion picture data coding/decoding system having motion vector coding unit and decoding unit |
US5905535A (en) * | 1994-10-10 | 1999-05-18 | Thomson Multimedia S.A. | Differential coding of motion vectors using the median of candidate vectors |
US5978048A (en) * | 1997-09-25 | 1999-11-02 | Daewoo Electronics Co., Inc. | Method and apparatus for encoding a motion vector based on the number of valid reference motion vectors |
Non-Patent Citations (2)
Title |
---|
KIM J W ET AL: "VIDEO CODING WITH R-D CONSTRAINED HIERARCHICAL VARIABLE BLOCK SIZE (VBS) MOTION ESTIMATION", JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, ACADEMIC PRESS, INC, US, vol. 9, no. 3, 1998, pages 243 - 254, XP000914354, ISSN: 1047-3203 * |
OHM J-R: "Motion-compensated 3-D subband coding with multiresolution representation of motion parameters", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP) AUSTIN, NOV. 13 - 16, 1994, LOS ALAMITOS, IEEE COMP. SOC. PRESS, US, vol. 3 CONF. 1, 13 November 1994 (1994-11-13), pages 250 - 254, XP010146425, ISBN: 0-8186-6952-7 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003026311A2 (en) | 2003-03-27 |
GB0122526D0 (en) | 2001-11-07 |
GB2379821A (en) | 2003-03-19 |
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