FR2822331B1 - Codage et decodage de signal numerique, avec segmentation hierarchique - Google Patents

Codage et decodage de signal numerique, avec segmentation hierarchique

Info

Publication number
FR2822331B1
FR2822331B1 FR0103692A FR0103692A FR2822331B1 FR 2822331 B1 FR2822331 B1 FR 2822331B1 FR 0103692 A FR0103692 A FR 0103692A FR 0103692 A FR0103692 A FR 0103692A FR 2822331 B1 FR2822331 B1 FR 2822331B1
Authority
FR
France
Prior art keywords
coding
regions
decoding
data
coded
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
FR0103692A
Other languages
English (en)
Other versions
FR2822331A1 (fr
Inventor
Isabelle Amonou
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 FR0103692A priority Critical patent/FR2822331B1/fr
Publication of FR2822331A1 publication Critical patent/FR2822331A1/fr
Application granted granted Critical
Publication of FR2822331B1 publication Critical patent/FR2822331B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/60—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
    • 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
    • H04N19/64—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 ordering of coefficients or of bits for transmission
    • 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
    • H04N19/649—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR0103692A 2001-03-19 2001-03-19 Codage et decodage de signal numerique, avec segmentation hierarchique Expired - Fee Related FR2822331B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0103692A FR2822331B1 (fr) 2001-03-19 2001-03-19 Codage et decodage de signal numerique, avec segmentation hierarchique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0103692A FR2822331B1 (fr) 2001-03-19 2001-03-19 Codage et decodage de signal numerique, avec segmentation hierarchique

Publications (2)

Publication Number Publication Date
FR2822331A1 FR2822331A1 (fr) 2002-09-20
FR2822331B1 true FR2822331B1 (fr) 2003-07-04

Family

ID=8861283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0103692A Expired - Fee Related FR2822331B1 (fr) 2001-03-19 2001-03-19 Codage et decodage de signal numerique, avec segmentation hierarchique

Country Status (1)

Country Link
FR (1) FR2822331B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846121B1 (fr) * 2002-10-17 2004-12-24 Commissariat Energie Atomique Procede de reconstruction d'une image a partir d'un jeu de projections par application d'une transformee en ondelette

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0799550B1 (fr) * 1995-10-25 2000-08-09 Koninklijke Philips Electronics N.V. Procede et systeme de codage d'images segmentees, et procede et systeme de decodage correspondants
AUPO329396A0 (en) * 1996-10-28 1996-11-21 Commonwealth Scientific And Industrial Research Organisation Image transmission
EP1095519B1 (fr) * 1998-07-15 2007-06-13 Digital Accelerator Corporation Codage d'image agrandissable base sur la region
EP1079625A3 (fr) * 1999-06-15 2003-03-12 Canon Research Centre France S.A. Codage, décodage et transmission du signal avec décomposition en sous-bandes de fréquence et segmentation

Also Published As

Publication number Publication date
FR2822331A1 (fr) 2002-09-20

Similar Documents

Publication Publication Date Title
DE69133458T2 (de) Verfahren zur Sprachquantisierung und Fehlerkorrektur
TWI417871B (zh) 雜訊填充器、雜訊填充參數計算器、經編碼音訊信號表示型態、方法和電腦程式
CN107302365B (zh) 从数据流解码具有变换系数级别的多个变换系数的装置
US20070064798A1 (en) Classified filtering for temporal prediction
US20120082233A1 (en) Method and apparatus for diagonal scan and simplified context selection for parallel entropy coding of significance map of transform coefficients
EP1162573A3 (fr) Appareil et procédé de traitement d'image
KR101008520B1 (ko) 오디오 신호 코딩
CN1669072A (zh) 低比特速率音频编码
KR950700671A (ko) 중요도 양자화기를 구비한 데이타 압축 시스템(data compression system including significance quantizer)
TW201728091A (zh) 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
FR2822331B1 (fr) Codage et decodage de signal numerique, avec segmentation hierarchique
García Aranda et al. Logarithmical hopping encoding: a low computational complexity algorithm for image compression
Chang et al. A modified SPIHT algorithm for image coding with a joint MSE and classification distortion measure
Memon et al. A comparison of prediction schemes proposed for a new lossless image compression standard
Ida et al. Image segmentation using fractal coding
Ghazel et al. Fractal-wavelet image denoising
Bajic Adaptive MAP error concealment for dispersively packetized wavelet-coded images
McDonnell et al. An edge classification based approach to the post-processing of transform encoded images
Magar et al. Comparative analysis of various Image compression techniques for Quasi Fractal lossless compression
Rodríguez-Díaz et al. Refined fixed double pass binary object classification for document image compression
JP4942548B2 (ja) 電子透かし埋め込み装置、電子透かし検出装置、電子透かし埋め込みプログラム及び電子透かし検出プログラム
US20050135683A1 (en) Zero length or run length coding decision
Lisowska Geometrical multiresolution adaptive transforms: Theory and applications
WO2004017157A2 (fr) Systeme de compression video ameliore
Maxemchuk et al. An adaptive intraframe DPCM codec based upon nonstationary image model

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20141128