FR2790853B1 - METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA - Google Patents

METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA

Info

Publication number
FR2790853B1
FR2790853B1 FR0000511A FR0000511A FR2790853B1 FR 2790853 B1 FR2790853 B1 FR 2790853B1 FR 0000511 A FR0000511 A FR 0000511A FR 0000511 A FR0000511 A FR 0000511A FR 2790853 B1 FR2790853 B1 FR 2790853B1
Authority
FR
France
Prior art keywords
attached
area
digital images
quality factor
coding quality
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.)
Expired - Fee Related
Application number
FR0000511A
Other languages
French (fr)
Other versions
FR2790853A1 (en
Inventor
Philippe Bordes
Pierre Ruellou
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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
Priority claimed from FR9902827A external-priority patent/FR2790852B1/en
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR0000511A priority Critical patent/FR2790853B1/en
Priority to TW89103326A priority patent/TW490617B/en
Priority to AU35533/00A priority patent/AU3553300A/en
Priority to PCT/EP2000/001686 priority patent/WO2000054221A1/en
Publication of FR2790853A1 publication Critical patent/FR2790853A1/en
Application granted granted Critical
Publication of FR2790853B1 publication Critical patent/FR2790853B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR0000511A 1999-03-08 2000-01-17 METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA Expired - Fee Related FR2790853B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0000511A FR2790853B1 (en) 1999-03-08 2000-01-17 METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA
TW89103326A TW490617B (en) 1999-03-08 2000-02-25 Process for compressing digitized images, in which a coding quality factor is ties to each zone
AU35533/00A AU3553300A (en) 1999-03-08 2000-02-29 Process for compressing digitized images, in which a coding quality factor is tied to each zone
PCT/EP2000/001686 WO2000054221A1 (en) 1999-03-08 2000-02-29 Process for compressing digitized images, in which a coding quality factor is tied to each zone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9902827A FR2790852B1 (en) 1999-03-08 1999-03-08 METHOD FOR EVALUATING ENCODED IMAGES, DEVICE IMPLEMENTING THE METHOD AND USE OF THE DEVICE AND METHOD
FR0000511A FR2790853B1 (en) 1999-03-08 2000-01-17 METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA

Publications (2)

Publication Number Publication Date
FR2790853A1 FR2790853A1 (en) 2000-09-15
FR2790853B1 true FR2790853B1 (en) 2001-05-25

Family

ID=26212093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0000511A Expired - Fee Related FR2790853B1 (en) 1999-03-08 2000-01-17 METHOD FOR COMPRESSING DIGITAL IMAGES IN WHICH A CODING QUALITY FACTOR IS ATTACHED TO EACH AREA

Country Status (4)

Country Link
AU (1) AU3553300A (en)
FR (1) FR2790853B1 (en)
TW (1) TW490617B (en)
WO (1) WO2000054221A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI577178B (en) * 2016-01-06 2017-04-01 睿緻科技股份有限公司 Image processing device and related image compression method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291281A (en) * 1992-06-18 1994-03-01 General Instrument Corporation Adaptive coding level control for video compression systems

Also Published As

Publication number Publication date
AU3553300A (en) 2000-09-28
WO2000054221A1 (en) 2000-09-14
FR2790853A1 (en) 2000-09-15
TW490617B (en) 2002-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091030