JP2005524303A - 低レート・アプリケーション用ディジタル画像処理方法 - Google Patents

低レート・アプリケーション用ディジタル画像処理方法 Download PDF

Info

Publication number
JP2005524303A
JP2005524303A JP2004500511A JP2004500511A JP2005524303A JP 2005524303 A JP2005524303 A JP 2005524303A JP 2004500511 A JP2004500511 A JP 2004500511A JP 2004500511 A JP2004500511 A JP 2004500511A JP 2005524303 A JP2005524303 A JP 2005524303A
Authority
JP
Japan
Prior art keywords
digital image
processing method
processing
data group
processed
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.)
Withdrawn
Application number
JP2004500511A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005524303A5 (https=
Inventor
ブルジュ，アルノー
ジャング，ジョエル
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2005524303A publication Critical patent/JP2005524303A/ja
Publication of JP2005524303A5 publication Critical patent/JP2005524303A5/ja
Withdrawn legal-status Critical Current

Links

Images

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector 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
    • H04N19/85—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (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)
JP2004500511A 2002-04-23 2003-04-16 低レート・アプリケーション用ディジタル画像処理方法 Withdrawn JP2005524303A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205087 2002-04-23
PCT/IB2003/001564 WO2003092294A1 (en) 2002-04-23 2003-04-16 Digital image processing method for low-rate applications

Publications (2)

Publication Number Publication Date
JP2005524303A true JP2005524303A (ja) 2005-08-11
JP2005524303A5 JP2005524303A5 (https=) 2006-06-08

Family

ID=29266091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004500511A Withdrawn JP2005524303A (ja) 2002-04-23 2003-04-16 低レート・アプリケーション用ディジタル画像処理方法

Country Status (7)

Country Link
US (1) US20060029281A1 (https=)
EP (1) EP1502443A1 (https=)
JP (1) JP2005524303A (https=)
KR (1) KR20040106383A (https=)
CN (1) CN1647539A (https=)
AU (1) AU2003219404A1 (https=)
WO (1) WO2003092294A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432069A (en) * 2005-11-03 2007-05-09 Tandberg Television Asa Reducing block noise by applying a dither signal in areas of low spatial detail
US8027547B2 (en) * 2007-08-09 2011-09-27 The United States Of America As Represented By The Secretary Of The Navy Method and computer program product for compressing and decompressing imagery data
JP6803830B2 (ja) 2014-08-07 2020-12-23 イマジナリス エス．アール．エル． 改善された操作性を有するｘ線撮像デバイス
US11265528B2 (en) * 2019-07-03 2022-03-01 Tencent America LLC Methods and systems for color smoothing for point cloud compression

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672437A (en) * 1985-07-08 1987-06-09 Honeywell Inc. Fiber optic inspection system
JP3466705B2 (ja) * 1993-05-28 2003-11-17 ゼロックス・コーポレーション 圧縮画像の圧縮解除方法
US5493416A (en) * 1994-10-31 1996-02-20 Xerox Corporation Method combining error diffusion and traditional halftoning with arbitrary screen orientation
US5831872A (en) * 1995-06-27 1998-11-03 Motorola, Inc. Method and system for compressing a video signal using dynamic frame recovery
US6188799B1 (en) * 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
IT1296643B1 (it) * 1997-12-16 1999-07-14 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per l'introduzione di distorsioni di riferimento in segnali video.
JP3613983B2 (ja) * 1998-06-25 2005-01-26 ソニー株式会社 画像生成装置及び方法、並びに電子スチルカメラ
US6674903B1 (en) * 1998-10-05 2004-01-06 Agfa-Gevaert Method for smoothing staircase effect in enlarged low resolution images
US6373981B1 (en) * 1998-12-21 2002-04-16 Xerox Corporation Method and apparatus for segmenting data to create mixed raster content planes
US6400844B1 (en) * 1998-12-02 2002-06-04 Xerox Corporation Method and apparatus for segmenting data to create mixed raster content planes
JP2000175052A (ja) * 1998-12-07 2000-06-23 Xerox Corp ピクセルマップ表現の処理方法及び装置
JP4018310B2 (ja) * 1999-04-21 2007-12-05 株式会社リコー 画像二値化装置、画像撮像装置、画像二値化方法、画像撮像方法およびその方法の各工程としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取可能な記録媒体
CN1182725C (zh) * 2000-02-04 2004-12-29 皇家菲利浦电子有限公司 减少分块人为干扰的方法
AU2001276876A1 (en) * 2000-07-11 2002-01-21 Mediaflow, Llc Adaptive edge detection and enhancement for image processing
US20030012453A1 (en) * 2001-07-06 2003-01-16 Jasc Software, Inc. Method for removing defects from images
US6810144B2 (en) * 2001-07-20 2004-10-26 Koninklijke Philips Electronics N.V. Methods of and system for detecting a cartoon in a video data stream
US7310445B2 (en) * 2003-11-26 2007-12-18 International Business Machines Corporation Classification of image blocks by region contrast significance and uses therefor in selective image enhancement in video and image coding

Also Published As

Publication number Publication date
CN1647539A (zh) 2005-07-27
KR20040106383A (ko) 2004-12-17
US20060029281A1 (en) 2006-02-09
AU2003219404A1 (en) 2003-11-10
EP1502443A1 (en) 2005-02-02
WO2003092294A1 (en) 2003-11-06

Similar Documents

Publication Publication Date Title
JP6037341B2 (ja) 映像をデコーディングするための方法
JP4666415B2 (ja) 画像符号化方法および画像符号化装置
JP5854439B2 (ja) 適応セグメンテーションを用いた動画符号化システムおよび方法
CN109788285B (zh) 一种量化系数结束标志位的上下文模型选取方法及装置
WO2020253823A1 (zh) 一种编解码方法、装置及存储介质
HK1042364A1 (zh) 用於減小跨越圖像邊界的像素值之間的差值的圖像處理電路和圖像處理方法
CN101595734A (zh) 用于减轻图像中的伪影的系统和方法
TWI863883B (zh) 圖像編碼裝置、圖像解碼裝置、方法及程式
JP2005524303A (ja) 低レート・アプリケーション用ディジタル画像処理方法
JP2723867B2 (ja) 画像信号復号化装置
WO2016004880A1 (en) Method and apparatus for performing wave-front parallel encoding procedure with constraint on one or both of coding mode and quantization parameter selection
EP1570678B1 (en) Method of measuring blocking artefacts
JP2004056190A (ja) フィルタ装置
KR100628839B1 (ko) 모서리 잡음 검출 및 보상방법
CN112449185B (zh) 视频解码方法、编码方法、装置、介质及电子设备
JP2022008331A (ja) 画像復号装置、画像復号方法及びプログラム
WO2021263251A1 (en) State transition for dependent quantization in video coding
JP4196929B2 (ja) ノイズ検出装置及びノイズ検出プログラム
US20250142068A1 (en) State transition of dependent quantization for aom enhanced compression model
JP6480790B2 (ja) 画像判定装置、符号化装置、及びプログラム
JP2010010768A (ja) 画像符号化装置及び画像符号化方法
JP2962815B2 (ja) 画像処理方法
JP2025525423A (ja) 符号化情報を用いたフィルムグレイン合成
Komatsu et al. 3-D redundant DCT restoration method for MPEG-compressed video
Park et al. Blocking artifact reduction in block-coded image using interpolation and SAF based on edge map

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060413

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060413

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20070713