EP1929782A4 - Method and apparatus for enhancing performance of entropy coding, and video coding method and apparatus using the entropy coding performance enhancing method - Google Patents
Method and apparatus for enhancing performance of entropy coding, and video coding method and apparatus using the entropy coding performance enhancing methodInfo
- Publication number
- EP1929782A4 EP1929782A4 EP06798895A EP06798895A EP1929782A4 EP 1929782 A4 EP1929782 A4 EP 1929782A4 EP 06798895 A EP06798895 A EP 06798895A EP 06798895 A EP06798895 A EP 06798895A EP 1929782 A4 EP1929782 A4 EP 1929782A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- enhancing
- performance
- entropy coding
- coding
- entropy
- 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.)
- Withdrawn
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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
-
- 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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/187—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 scalable video layer
-
- 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
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
-
- 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
- H04N19/10—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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71996705P | 2005-09-26 | 2005-09-26 | |
KR1020060003321A KR100714706B1 (en) | 2005-09-26 | 2006-01-11 | Method and apparatus for enhancing performance of entropy coding, video coding method and apparatus using the method |
PCT/KR2006/003812 WO2007035070A1 (en) | 2005-09-26 | 2006-09-25 | Method and apparatus for enhancing performance of entropy coding, and video coding method and apparatus using the entropy coding performance enhancing method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1929782A1 EP1929782A1 (en) | 2008-06-11 |
EP1929782A4 true EP1929782A4 (en) | 2012-03-21 |
Family
ID=37889075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06798895A Withdrawn EP1929782A4 (en) | 2005-09-26 | 2006-09-25 | Method and apparatus for enhancing performance of entropy coding, and video coding method and apparatus using the entropy coding performance enhancing method |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1929782A4 (en) |
JP (1) | JP2009506710A (en) |
WO (1) | WO2007035070A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8401082B2 (en) * | 2006-03-27 | 2013-03-19 | Qualcomm Incorporated | Methods and systems for refinement coefficient coding in video compression |
US8599926B2 (en) | 2006-10-12 | 2013-12-03 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
US9319700B2 (en) | 2006-10-12 | 2016-04-19 | Qualcomm Incorporated | Refinement coefficient coding based on history of corresponding transform coefficient values |
US8565314B2 (en) | 2006-10-12 | 2013-10-22 | Qualcomm Incorporated | Variable length coding table selection based on block type statistics for refinement coefficient coding |
US8325819B2 (en) | 2006-10-12 | 2012-12-04 | Qualcomm Incorporated | Variable length coding table selection based on video block type for refinement coefficient coding |
EP2335245B1 (en) | 2008-09-28 | 2015-01-07 | Ramot at Tel-Aviv University Ltd. | Method and system for adaptive coding in flash memories |
US8671327B2 (en) | 2008-09-28 | 2014-03-11 | Sandisk Technologies Inc. | Method and system for adaptive coding in flash memories |
GB2465809B (en) | 2008-12-01 | 2012-12-12 | Advanced Risc Mach Ltd | Dynamic selection of suitable codes for variable length coding and decoding |
CN106254888B (en) | 2015-06-09 | 2020-06-02 | 同济大学 | Image encoding and decoding method and image processing equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030202601A1 (en) * | 2002-03-22 | 2003-10-30 | Gisle Bjontegaard | Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6690307B2 (en) * | 2002-01-22 | 2004-02-10 | Nokia Corporation | Adaptive variable length coding of digital video |
US6646578B1 (en) * | 2002-11-22 | 2003-11-11 | Ub Video Inc. | Context adaptive variable length decoding system and method |
EP1932361A1 (en) * | 2005-10-03 | 2008-06-18 | Nokia Corporation | Adaptive variable length codes for independent variables |
-
2006
- 2006-09-25 WO PCT/KR2006/003812 patent/WO2007035070A1/en active Application Filing
- 2006-09-25 EP EP06798895A patent/EP1929782A4/en not_active Withdrawn
- 2006-09-25 JP JP2008528961A patent/JP2009506710A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030202601A1 (en) * | 2002-03-22 | 2003-10-30 | Gisle Bjontegaard | Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses |
Non-Patent Citations (4)
Title |
---|
ANONYMOUS: "H.264 and MPEG-4 Video Compression, chapter 6, H.264/MPEG4 Part 10, Iain E. Richardson", NOT KNOWN,, 17 October 2003 (2003-10-17), XP030001626 * |
LEE B K: "VLC for 8x8 transform FGS", 17. JVT MEETING; 74. MPEG MEETING; 14-10-2005 - 21-10-2005; NICE, FR;(JOINT VIDEO TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ),, no. JVT-Q057, 11 October 2005 (2005-10-11), XP030006218, ISSN: 0000-0413 * |
See also references of WO2007035070A1 * |
SHIMA M: "CE1: Complexity reduction for adaptive VLC", 18. JVT MEETING; 75. MPEG MEETING; 14-01-2006 - 20-01-2006; BANGKOK,TH; (JOINT VIDEO TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ),, no. JVT-R021, 10 January 2006 (2006-01-10), XP030006289, ISSN: 0000-0410 * |
Also Published As
Publication number | Publication date |
---|---|
EP1929782A1 (en) | 2008-06-11 |
JP2009506710A (en) | 2009-02-12 |
WO2007035070A1 (en) | 2007-03-29 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080220 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20120220 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04N 7/50 20060101ALI20120214BHEP Ipc: H04N 7/26 20060101AFI20120214BHEP |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SAMSUNG ELECTRONICS CO., LTD. |
|
17Q | First examination report despatched |
Effective date: 20131030 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20151120 |