ATE425635T1 - Verfahren und vorrichtung zur bildverbesserung für videokompression mit niedriger bitrate - Google Patents

Verfahren und vorrichtung zur bildverbesserung für videokompression mit niedriger bitrate

Info

Publication number
ATE425635T1
ATE425635T1 AT05746809T AT05746809T ATE425635T1 AT E425635 T1 ATE425635 T1 AT E425635T1 AT 05746809 T AT05746809 T AT 05746809T AT 05746809 T AT05746809 T AT 05746809T AT E425635 T1 ATE425635 T1 AT E425635T1
Authority
AT
Austria
Prior art keywords
video compression
image enhancement
threshold
low bitrate
bitrate video
Prior art date
Application number
AT05746809T
Other languages
English (en)
Inventor
Vijayalakshmi R Raveendran
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE425635T1 publication Critical patent/ATE425635T1/de

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
    • 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
    • H04N19/14—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
    • H04N19/169—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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)
  • Color Television Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT05746809T 2004-05-06 2005-05-05 Verfahren und vorrichtung zur bildverbesserung für videokompression mit niedriger bitrate ATE425635T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56936904P 2004-05-06 2004-05-06

Publications (1)

Publication Number Publication Date
ATE425635T1 true ATE425635T1 (de) 2009-03-15

Family

ID=35451573

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05746809T ATE425635T1 (de) 2004-05-06 2005-05-05 Verfahren und vorrichtung zur bildverbesserung für videokompression mit niedriger bitrate

Country Status (10)

Country Link
US (1) US7430336B2 (de)
EP (1) EP1747676B1 (de)
JP (2) JP2007536828A (de)
KR (1) KR100863166B1 (de)
CN (1) CN1981532B (de)
AT (1) ATE425635T1 (de)
CA (1) CA2565737A1 (de)
DE (1) DE602005013210D1 (de)
TW (1) TWI418218B (de)
WO (1) WO2005117447A2 (de)

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Also Published As

Publication number Publication date
EP1747676A2 (de) 2007-01-31
JP2011125034A (ja) 2011-06-23
JP2007536828A (ja) 2007-12-13
US20050276505A1 (en) 2005-12-15
WO2005117447A3 (en) 2006-05-26
EP1747676B1 (de) 2009-03-11
DE602005013210D1 (de) 2009-04-23
TWI418218B (zh) 2013-12-01
KR20070011570A (ko) 2007-01-24
WO2005117447A2 (en) 2005-12-08
TW200607356A (en) 2006-02-16
US7430336B2 (en) 2008-09-30
CN1981532B (zh) 2010-09-01
KR100863166B1 (ko) 2008-10-13
CA2565737A1 (en) 2005-12-08
CN1981532A (zh) 2007-06-13

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