WO2006123310A3 - Video encoder using a dependency map - Google Patents

Video encoder using a dependency map Download PDF

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Publication number
WO2006123310A3
WO2006123310A3 PCT/IB2006/051582 IB2006051582W WO2006123310A3 WO 2006123310 A3 WO2006123310 A3 WO 2006123310A3 IB 2006051582 W IB2006051582 W IB 2006051582W WO 2006123310 A3 WO2006123310 A3 WO 2006123310A3
Authority
WO
WIPO (PCT)
Prior art keywords
video encoder
enc
bit rate
dependency
encoding
Prior art date
Application number
PCT/IB2006/051582
Other languages
French (fr)
Other versions
WO2006123310A2 (en
Inventor
Cecile Dufour
Nicolas Vanhaelewyn
Original Assignee
Koninkl Philips Electronics Nv
Cecile Dufour
Nicolas Vanhaelewyn
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 Koninkl Philips Electronics Nv, Cecile Dufour, Nicolas Vanhaelewyn filed Critical Koninkl Philips Electronics Nv
Publication of WO2006123310A2 publication Critical patent/WO2006123310A2/en
Publication of WO2006123310A3 publication Critical patent/WO2006123310A3/en

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
    • H04N19/10—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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/184—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
    • H04N19/60—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

Abstract

The present invention, mainly applicable in streaming and broadcast for TV, video on demand and storing systems, relates to a video encoder (ENC) for encoding frames (FR) of a video signal before transmission, said video encoder (ENC) including a bit rate allocation unit (BRAU) for allocating a bit rate to encoded data in a encoding unit (ENU). According to the invention, this video encoder (ENC) further implements a dependency map calculation unit (DMCU) which calculates, for each data of said frame (FR), a corresponding dependency value (DV) taking into account Intra and Inter prediction mechanisms. This dependency value (DV) expresses on which degree said data will be used in further encoding, the dependency map (DM) being used by the bit rate allocation unit (BRAU).
PCT/IB2006/051582 2005-05-20 2006-05-18 Video encoder using a dependency map WO2006123310A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05300394 2005-05-20
EP05300394.3 2005-05-20

Publications (2)

Publication Number Publication Date
WO2006123310A2 WO2006123310A2 (en) 2006-11-23
WO2006123310A3 true WO2006123310A3 (en) 2007-03-29

Family

ID=37025971

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051582 WO2006123310A2 (en) 2005-05-20 2006-05-18 Video encoder using a dependency map

Country Status (1)

Country Link
WO (1) WO2006123310A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011203174B2 (en) * 2011-06-29 2014-09-04 Canon Kabushiki Kaisha Method, apparatus and system for determining the value of a coefficient flag

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793895A (en) * 1996-08-28 1998-08-11 International Business Machines Corporation Intelligent error resilient video encoder
US20030086495A1 (en) * 2001-09-25 2003-05-08 Gene Cheung Method of and system for optimizing mode selection for video coding
US20030235249A1 (en) * 2002-06-25 2003-12-25 Chengji Zhao Video encoder and method for encoding video frames

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793895A (en) * 1996-08-28 1998-08-11 International Business Machines Corporation Intelligent error resilient video encoder
US20030086495A1 (en) * 2001-09-25 2003-05-08 Gene Cheung Method of and system for optimizing mode selection for video coding
US20030235249A1 (en) * 2002-06-25 2003-12-25 Chengji Zhao Video encoder and method for encoding video frames

Also Published As

Publication number Publication date
WO2006123310A2 (en) 2006-11-23

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