EP2384581A4 - Method, apparatus and computer readable medium for calculating run and level representations of quantized transform coefficients representing pixel values included in a block of a video picture - Google Patents
Method, apparatus and computer readable medium for calculating run and level representations of quantized transform coefficients representing pixel values included in a block of a video pictureInfo
- Publication number
- EP2384581A4 EP2384581A4 EP09836441A EP09836441A EP2384581A4 EP 2384581 A4 EP2384581 A4 EP 2384581A4 EP 09836441 A EP09836441 A EP 09836441A EP 09836441 A EP09836441 A EP 09836441A EP 2384581 A4 EP2384581 A4 EP 2384581A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- computer readable
- readable medium
- block
- pixel values
- transform coefficients
- 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- Withdrawn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
- H04N19/90—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
- H04N19/93—Run-length 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- 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
- H04N19/169—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
- H04N19/169—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
- H04N19/18—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 set of transform coefficients
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20085407 | 2008-12-30 | ||
NO20090715A NO332205B1 (en) | 2008-12-30 | 2009-02-13 | Implementation of entropy coding / decoding of transformation coefficient data for video compression systems in computer devices |
PCT/NO2009/000447 WO2010077148A1 (en) | 2008-12-30 | 2009-12-28 | Method, apparatus and computer readable medium for calculating run and level representations of quantized transform coefficients representing pixel values included in a block of a video picture |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2384581A1 EP2384581A1 (en) | 2011-11-09 |
EP2384581A4 true EP2384581A4 (en) | 2012-05-30 |
Family
ID=42309982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09836441A Withdrawn EP2384581A4 (en) | 2008-12-30 | 2009-12-28 | Method, apparatus and computer readable medium for calculating run and level representations of quantized transform coefficients representing pixel values included in a block of a video picture |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2384581A4 (en) |
CN (1) | CN102273204B (en) |
NO (1) | NO332205B1 (en) |
WO (1) | WO2010077148A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO332357B1 (en) * | 2010-07-30 | 2012-09-03 | Cisco Tech Inc | Implementation of run / level coding |
CN101964912A (en) * | 2010-10-15 | 2011-02-02 | 北京中科大洋科技发展股份有限公司 | Method for fast calculating run length by run length coding in MPEG2 |
NO336215B1 (en) * | 2012-12-27 | 2015-06-15 | Pexip AS | Simultaneous and loop-free vector calculation of all run-level pairs in video compression. |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6628717B1 (en) * | 1998-11-04 | 2003-09-30 | Lg Electronics Inc. | Lossless coding method and video compression coding device using the same |
US20080046698A1 (en) * | 2006-08-21 | 2008-02-21 | Kapil Ahuja | Run Length Encoding in VLIW Architecture |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7630569B2 (en) * | 2002-02-26 | 2009-12-08 | Decegama Angel | Real-time software video/audio transmission and display with content protection against camcorder piracy |
US8385424B2 (en) * | 2006-06-26 | 2013-02-26 | Qualcomm Incorporated | Reduction of errors during computation of inverse discrete cosine transform |
-
2009
- 2009-02-13 NO NO20090715A patent/NO332205B1/en not_active IP Right Cessation
- 2009-12-28 WO PCT/NO2009/000447 patent/WO2010077148A1/en active Application Filing
- 2009-12-28 CN CN200980153613.6A patent/CN102273204B/en not_active Expired - Fee Related
- 2009-12-28 EP EP09836441A patent/EP2384581A4/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6628717B1 (en) * | 1998-11-04 | 2003-09-30 | Lg Electronics Inc. | Lossless coding method and video compression coding device using the same |
US20080046698A1 (en) * | 2006-08-21 | 2008-02-21 | Kapil Ahuja | Run Length Encoding in VLIW Architecture |
Non-Patent Citations (1)
Title |
---|
See also references of WO2010077148A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2384581A1 (en) | 2011-11-09 |
WO2010077148A1 (en) | 2010-07-08 |
CN102273204A (en) | 2011-12-07 |
CN102273204B (en) | 2014-05-14 |
NO20090715L (en) | 2010-07-01 |
NO332205B1 (en) | 2012-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20110801 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CISCO SYSTEMS INTERNATIONAL SARL |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20120503 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04N 7/30 20060101ALI20120425BHEP Ipc: H04N 7/26 20060101AFI20120425BHEP |
|
17Q | First examination report despatched |
Effective date: 20130328 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20141028 |