NO20051721L - Avblokkingsfilter - Google Patents

Avblokkingsfilter

Info

Publication number
NO20051721L
NO20051721L NO20051721A NO20051721A NO20051721L NO 20051721 L NO20051721 L NO 20051721L NO 20051721 A NO20051721 A NO 20051721A NO 20051721 A NO20051721 A NO 20051721A NO 20051721 L NO20051721 L NO 20051721L
Authority
NO
Norway
Prior art keywords
deblocking
avc
decoding
decision
block
Prior art date
Application number
NO20051721A
Other languages
English (en)
Other versions
NO322722B1 (no
NO20051721D0 (no
Inventor
Gisle Bjontegaard
Original Assignee
Tandberg Telecom As
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 Tandberg Telecom As filed Critical Tandberg Telecom As
Priority to NO20051721A priority Critical patent/NO322722B1/no
Publication of NO20051721D0 publication Critical patent/NO20051721D0/no
Priority to PCT/NO2005/000371 priority patent/WO2006041305A1/en
Priority to EP05797373.7A priority patent/EP1805994B1/en
Priority to CN200580035101.1A priority patent/CN101040532B/zh
Priority to US11/250,187 priority patent/US7283588B2/en
Publication of NO20051721L publication Critical patent/NO20051721L/no
Publication of NO322722B1 publication Critical patent/NO322722B1/no
Priority to US11/854,204 priority patent/US7903744B2/en
Priority to US12/951,915 priority patent/US8165223B2/en
Priority to US13/337,941 priority patent/US8644394B2/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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
    • H04N19/10—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
    • H04N19/60—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Oppfinnelsen er relatert til dekoding av blokkinndelte kodede videobilder. Bestemmelsen av å bruke deblokkingsfiltrering mellom kodede blokker er basert på alternative karakteristikker sammenlignet med karakteristikkene brukt innen H.264/AVC.
NO20051721A 2004-10-13 2005-04-07 Fremgangsmate for videokoding gjennom reduksjon av blokkartefakter NO322722B1 (no)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NO20051721A NO322722B1 (no) 2004-10-13 2005-04-07 Fremgangsmate for videokoding gjennom reduksjon av blokkartefakter
PCT/NO2005/000371 WO2006041305A1 (en) 2004-10-13 2005-10-06 Deblocking filter
EP05797373.7A EP1805994B1 (en) 2004-10-13 2005-10-06 Deblocking filter
CN200580035101.1A CN101040532B (zh) 2004-10-13 2005-10-06 去块滤波器
US11/250,187 US7283588B2 (en) 2004-10-13 2005-10-13 Deblocking filter
US11/854,204 US7903744B2 (en) 2004-10-13 2007-09-12 Deblocking filter
US12/951,915 US8165223B2 (en) 2004-10-13 2010-11-22 Deblocking filter
US13/337,941 US8644394B2 (en) 2004-10-13 2011-12-27 Deblocking filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20044349 2004-10-13
NO20051721A NO322722B1 (no) 2004-10-13 2005-04-07 Fremgangsmate for videokoding gjennom reduksjon av blokkartefakter

Publications (3)

Publication Number Publication Date
NO20051721D0 NO20051721D0 (no) 2005-04-07
NO20051721L true NO20051721L (no) 2006-04-18
NO322722B1 NO322722B1 (no) 2006-12-04

Family

ID=35266195

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20051721A NO322722B1 (no) 2004-10-13 2005-04-07 Fremgangsmate for videokoding gjennom reduksjon av blokkartefakter

Country Status (5)

Country Link
US (4) US7283588B2 (no)
EP (1) EP1805994B1 (no)
CN (1) CN101040532B (no)
NO (1) NO322722B1 (no)
WO (1) WO2006041305A1 (no)

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CN104025593A (zh) * 2011-11-04 2014-09-03 松下电器产业株式会社 利用改进的图像块边界强度推导进行去块滤波

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US8204129B2 (en) * 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
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DK2681913T3 (da) * 2011-03-01 2016-02-29 Ericsson Telefon Ab L M Styring til deblokeringsfiltrering
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KR102105497B1 (ko) * 2011-06-28 2020-04-29 소니 주식회사 텔레비전 장치, 휴대 전화기, 재생 장치, 카메라 및 화상 처리 방법,
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CN104025593A (zh) * 2011-11-04 2014-09-03 松下电器产业株式会社 利用改进的图像块边界强度推导进行去块滤波

Also Published As

Publication number Publication date
US8644394B2 (en) 2014-02-04
NO322722B1 (no) 2006-12-04
NO20051721D0 (no) 2005-04-07
US20060078048A1 (en) 2006-04-13
CN101040532A (zh) 2007-09-19
US20110122955A1 (en) 2011-05-26
US8165223B2 (en) 2012-04-24
WO2006041305A1 (en) 2006-04-20
US20080025632A1 (en) 2008-01-31
EP1805994B1 (en) 2017-05-10
CN101040532B (zh) 2010-06-23
EP1805994A1 (en) 2007-07-11
US7283588B2 (en) 2007-10-16
US20120093236A1 (en) 2012-04-19
EP1805994A4 (en) 2009-11-11
US7903744B2 (en) 2011-03-08

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