FR2929431B1 - Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image - Google Patents

Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image

Info

Publication number
FR2929431B1
FR2929431B1 FR0851924A FR0851924A FR2929431B1 FR 2929431 B1 FR2929431 B1 FR 2929431B1 FR 0851924 A FR0851924 A FR 0851924A FR 0851924 A FR0851924 A FR 0851924A FR 2929431 B1 FR2929431 B1 FR 2929431B1
Authority
FR
France
Prior art keywords
digital signal
image digital
samples representative
classifying samples
sample
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
FR0851924A
Other languages
English (en)
Other versions
FR2929431A1 (fr
Inventor
Felix Henry
Isabelle Corouge
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to FR0851924A priority Critical patent/FR2929431B1/fr
Priority to US12/411,087 priority patent/US20090245660A1/en
Publication of FR2929431A1 publication Critical patent/FR2929431A1/fr
Application granted granted Critical
Publication of FR2929431B1 publication Critical patent/FR2929431B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • 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
    • H04N19/154—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
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
FR0851924A 2008-03-26 2008-03-26 Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image Expired - Fee Related FR2929431B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0851924A FR2929431B1 (fr) 2008-03-26 2008-03-26 Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image
US12/411,087 US20090245660A1 (en) 2008-03-26 2009-03-25 Method and device for classifying samples representing a digital image signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0851924A FR2929431B1 (fr) 2008-03-26 2008-03-26 Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image

Publications (2)

Publication Number Publication Date
FR2929431A1 FR2929431A1 (fr) 2009-10-02
FR2929431B1 true FR2929431B1 (fr) 2010-12-03

Family

ID=39789677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0851924A Expired - Fee Related FR2929431B1 (fr) 2008-03-26 2008-03-26 Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image

Country Status (2)

Country Link
US (1) US20090245660A1 (fr)
FR (1) FR2929431B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299716B1 (fr) 2009-09-09 2016-11-23 Canon Kabushiki Kaisha Procédé et dispositif pour le codage d'un signal numérique multidimensionnel
GB2512827B (en) * 2013-04-05 2015-09-16 Canon Kk Method and device for classifying samples of an image

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692772A1 (fr) * 1994-07-12 1996-01-17 Laboratoires D'electronique Philips S.A.S. Procédé et dispositif pour détecter des points clés situés sur le contour d'un objet
EP0721286A3 (fr) * 1995-01-09 2000-07-26 Matsushita Electric Industrial Co., Ltd. Appareil de décodage de signal vidéo avec réduction d'artifact
US5835630A (en) * 1996-05-08 1998-11-10 Xerox Corporation Modular time-varying two-dimensional filter
US5771318A (en) * 1996-06-27 1998-06-23 Siemens Corporate Research, Inc. Adaptive edge-preserving smoothing filter
WO1999016234A2 (fr) * 1997-09-26 1999-04-01 Trident Systems Inc. Systeme, procede et support d'augmentation de la compression d'une image tout en reduisant au minimum la degradation de l'image
US6650790B1 (en) * 2000-06-09 2003-11-18 Nothshore Laboratories, Inc. Digital processing apparatus for variable image-size enlargement with high-frequency bandwidth synthesis
US7110612B1 (en) * 2001-10-11 2006-09-19 Pixelworks, Inc. Weighted absolute difference based noise reduction method and apparatus
US7386049B2 (en) * 2002-05-29 2008-06-10 Innovation Management Sciences, Llc Predictive interpolation of a video signal
US7599579B2 (en) * 2002-07-11 2009-10-06 Ge Medical Systems Global Technology Company, Llc Interpolated image filtering method and apparatus
US20060045384A1 (en) * 2002-09-11 2006-03-02 Koninklijke Philips Electronics N.V. Unit for and method of image conversion
JP4042563B2 (ja) * 2002-12-27 2008-02-06 セイコーエプソン株式会社 画像ノイズの低減
JP2004318423A (ja) * 2003-04-15 2004-11-11 Konica Minolta Photo Imaging Inc 画像処理方法、画像処理装置及び画像処理プログラム
US7373013B2 (en) * 2003-12-23 2008-05-13 General Instrument Corporation Directional video filters for locally adaptive spatial noise reduction
FR2889382A1 (fr) * 2005-07-29 2007-02-02 Canon Res Ct France Soc Par Ac Procede et dispositif de filtrage d'un signal numerique multidimensionnel et procedes et dispositifs de codage et decodage associes
US8249372B2 (en) * 2007-03-16 2012-08-21 Canon Kabushiki Kaisha Methods and devices for coding and decoding multidimensional digital signals

Also Published As

Publication number Publication date
US20090245660A1 (en) 2009-10-01
FR2929431A1 (fr) 2009-10-02

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Effective date: 20141128