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FR3013877B1 - Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees - Google Patents

Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees Download PDF

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Publication number
FR3013877B1
FR3013877B1 FR1361554A FR1361554A FR3013877B1 FR 3013877 B1 FR3013877 B1 FR 3013877B1 FR 1361554 A FR1361554 A FR 1361554A FR 1361554 A FR1361554 A FR 1361554A FR 3013877 B1 FR3013877 B1 FR 3013877B1
Authority
FR
France
Prior art keywords
jpeg format
highly compressed
format images
compressed jpeg
improving highly
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
FR1361554A
Other languages
English (en)
Other versions
FR3013877A1 (fr
Inventor
Roger Cozien
Gregoire Mercier
Dominique Haglon - Cornuejols
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.)
EXO MAKINA
Original Assignee
EXO MAKINA
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 EXO MAKINA filed Critical EXO MAKINA
Priority to FR1361554A priority Critical patent/FR3013877B1/fr
Priority to PCT/FR2014/053019 priority patent/WO2015075404A2/fr
Publication of FR3013877A1 publication Critical patent/FR3013877A1/fr
Application granted granted Critical
Publication of FR3013877B1 publication Critical patent/FR3013877B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/189—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
    • 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
    • H04N19/102—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
FR1361554A 2013-11-25 2013-11-25 Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees Expired - Fee Related FR3013877B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1361554A FR3013877B1 (fr) 2013-11-25 2013-11-25 Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees
PCT/FR2014/053019 WO2015075404A2 (fr) 2013-11-25 2014-11-25 Procédé et dispositif pour l'amélioration des images au format jpeg fortement compressées

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1361554A FR3013877B1 (fr) 2013-11-25 2013-11-25 Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees
FR1361554 2013-11-25

Publications (2)

Publication Number Publication Date
FR3013877A1 FR3013877A1 (fr) 2015-05-29
FR3013877B1 true FR3013877B1 (fr) 2018-02-23

Family

ID=50489183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1361554A Expired - Fee Related FR3013877B1 (fr) 2013-11-25 2013-11-25 Procede et dispositif pour l'amelioration des images au format jpeg fortement compressees

Country Status (2)

Country Link
FR (1) FR3013877B1 (fr)
WO (1) WO2015075404A2 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677689A (en) * 1995-08-31 1997-10-14 Yovanof; Gregory S. Fixed rate JPEG compliant still image compression
US5844594A (en) * 1995-10-05 1998-12-01 Microsoft Corporation Method and apparatus for MPEG encoding
SE0103746D0 (sv) * 2001-11-13 2001-11-13 Svep Design Ct Ab Digital image system
US6931159B2 (en) * 2002-02-28 2005-08-16 Nokia Corporation Size reduction method and device for compressed images
US6976026B1 (en) * 2002-03-14 2005-12-13 Microsoft Corporation Distributing limited storage among a collection of media objects
JP3716225B2 (ja) * 2002-04-05 2005-11-16 松下電器産業株式会社 符号量制御装置および符号量制御方法
JP5507515B2 (ja) * 2011-09-14 2014-05-28 富士フイルム株式会社 非可逆圧縮装置およびその動作制御方法ならびにその動作制御プログラム

Also Published As

Publication number Publication date
WO2015075404A2 (fr) 2015-05-28
WO2015075404A3 (fr) 2015-08-13
FR3013877A1 (fr) 2015-05-29

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