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 picture

Info

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Withdrawn
Application number
EP09836441A
Other languages
German (de)
French (fr)
Other versions
EP2384581A1 (en
Inventor
Lars Petter Endresen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cisco Systems International SARL
Original Assignee
Cisco Systems International SARL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cisco Systems International SARL filed Critical Cisco Systems International SARL
Publication of EP2384581A1 publication Critical patent/EP2384581A1/en
Publication of EP2384581A4 publication Critical patent/EP2384581A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/93Run-length coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
EP09836441A 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 Withdrawn EP2384581A4 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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