JP4785678B2 - 画像符号化装置および画像符号化方法 - Google Patents

画像符号化装置および画像符号化方法 Download PDF

Info

Publication number
JP4785678B2
JP4785678B2 JP2006238170A JP2006238170A JP4785678B2 JP 4785678 B2 JP4785678 B2 JP 4785678B2 JP 2006238170 A JP2006238170 A JP 2006238170A JP 2006238170 A JP2006238170 A JP 2006238170A JP 4785678 B2 JP4785678 B2 JP 4785678B2
Authority
JP
Japan
Prior art keywords
image
motion vector
subjected
encoding target
value
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
JP2006238170A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008061135A5 (enExample
JP2008061135A (ja
Inventor
勇司 大森
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 JP2006238170A priority Critical patent/JP4785678B2/ja
Priority to US11/848,351 priority patent/US8417040B2/en
Publication of JP2008061135A publication Critical patent/JP2008061135A/ja
Publication of JP2008061135A5 publication Critical patent/JP2008061135A5/ja
Application granted granted Critical
Publication of JP4785678B2 publication Critical patent/JP4785678B2/ja
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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2006238170A 2006-09-01 2006-09-01 画像符号化装置および画像符号化方法 Expired - Fee Related JP4785678B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006238170A JP4785678B2 (ja) 2006-09-01 2006-09-01 画像符号化装置および画像符号化方法
US11/848,351 US8417040B2 (en) 2006-09-01 2007-08-31 Image coding apparatus and image coding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006238170A JP4785678B2 (ja) 2006-09-01 2006-09-01 画像符号化装置および画像符号化方法

Publications (3)

Publication Number Publication Date
JP2008061135A JP2008061135A (ja) 2008-03-13
JP2008061135A5 JP2008061135A5 (enExample) 2009-10-15
JP4785678B2 true JP4785678B2 (ja) 2011-10-05

Family

ID=39243341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006238170A Expired - Fee Related JP4785678B2 (ja) 2006-09-01 2006-09-01 画像符号化装置および画像符号化方法

Country Status (2)

Country Link
US (1) US8417040B2 (enExample)
JP (1) JP4785678B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009218742A (ja) * 2008-03-07 2009-09-24 Canon Inc 画像符号化装置
US20110249743A1 (en) * 2010-04-09 2011-10-13 Jie Zhao Super-block for high performance video coding
KR20120118781A (ko) * 2011-04-19 2012-10-29 삼성전자주식회사 다시점 비디오를 위한 단일화된 스케일러블 비디오 부호화 방법 및 그 장치, 다시점 비디오를 위한 단일화된 스케일러블 비디오 복호화 방법 및 그 장치
JP5801614B2 (ja) 2011-06-09 2015-10-28 キヤノン株式会社 画像処理装置、画像処理方法
JP5839848B2 (ja) 2011-06-13 2016-01-06 キヤノン株式会社 画像処理装置、画像処理方法
JP6000670B2 (ja) 2012-06-11 2016-10-05 キヤノン株式会社 画像処理装置、画像処理方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209383A (ja) * 1987-02-26 1988-08-30 Matsushita Electric Ind Co Ltd 画像の動き情報抽出装置
JPS6427380A (en) * 1987-07-23 1989-01-30 Fujitsu Ltd Inter-frame coding system
JPH0328685A (ja) 1989-06-26 1991-02-06 Kawasaki Steel Corp 不定形耐火物施工方法
US6741652B1 (en) * 1992-02-21 2004-05-25 Canon Kabushiki Kaisha Movement vector detecting device
JP3164121B2 (ja) * 1992-02-21 2001-05-08 キヤノン株式会社 動きベクトル検出装置
JPH05292489A (ja) * 1992-04-10 1993-11-05 Nippon Telegr & Teleph Corp <Ntt> 動きベクトル推定方法
JP3028685B2 (ja) 1992-09-25 2000-04-04 ケイディディ株式会社 視覚モデルを用いた動画像のブロックマッチング動き推定方法
JPH07288814A (ja) * 1994-04-20 1995-10-31 Oki Electric Ind Co Ltd 動きベクトル検出方法
JPH09182080A (ja) * 1995-12-22 1997-07-11 Sony Corp 動きベクトル検出方法および動きベクトル検出装置
CA2227062C (en) * 1996-05-17 2002-08-13 Shinya Kadono Image encoding apparatus, image decoding apparatus, image encoding method, image decoding method, image encoding program recording medium and image decoding program recording medium
WO1998054888A2 (en) * 1997-05-30 1998-12-03 Sarnoff Corporation Method and apparatus for performing hierarchical motion estimation using nonlinear pyramid
WO1999004566A1 (fr) * 1997-07-18 1999-01-28 Sony Corporation Procede et systeme de multiplexage d'un signal image, procede et systeme de demultiplexage d'un signal image, et support de transmission
US6438254B1 (en) * 1999-03-17 2002-08-20 Matsushita Electric Industrial Co., Ltd. Motion vector detection method, motion vector detection apparatus, and data storage media
US7302104B2 (en) * 2001-12-28 2007-11-27 Ricoh Co., Ltd. Smoothing tile boundaries of images encoded and decoded by JPEG 2000
US6909749B2 (en) * 2002-07-15 2005-06-21 Pts Corporation Hierarchical segment-based motion vector encoding and decoding
US8208065B2 (en) * 2008-07-30 2012-06-26 Cinnafilm, Inc. Method, apparatus, and computer software for digital video scan rate conversions with minimization of artifacts

Also Published As

Publication number Publication date
JP2008061135A (ja) 2008-03-13
US20080123745A1 (en) 2008-05-29
US8417040B2 (en) 2013-04-09

Similar Documents

Publication Publication Date Title
CN104067619B (zh) 视频解码器、视频解码方法以及视频解码程序的记录介质
KR101711688B1 (ko) 움직임 벡터 예측 및 미세조정
CN101978698B (zh) 用于对图像进行编码和解码的方法及设备
JP2009147807A (ja) 画像処理装置
KR101449435B1 (ko) 움직임 벡터 정규화에 기초한 영상의 부호화 방법 및 장치, 영상의 복호화 방법 및 장치
JPWO2009084340A1 (ja) 動画像符号化装置、および、動画像復号装置
US20150071354A1 (en) Image coding apparatus and image coding method
US8417040B2 (en) Image coding apparatus and image coding method
US9445089B2 (en) Video encoding device, video encoding method and video encoding program
US8144779B2 (en) Apparatus and method for detecting motion vector, program, and recording medium
JP5566406B2 (ja) 画像データのブロックを予測する方法、当該方法を実現する復号化及び符号化装置
KR20140026397A (ko) 이미지 블록을 복원하고 코딩하는 방법
JP6564315B2 (ja) 符号化装置、復号装置、及びプログラム
US10021397B2 (en) Semiconductor device
JP2004064518A (ja) 動画像符号化方法、動画像符号化装置、およびコンピュータプログラム
JP6004852B2 (ja) ピクセルブロックを符号化及び再構成する方法と装置
EP2981082A1 (en) Method for encoding a plurality of input images and storage medium and device for storing program
JP4199712B2 (ja) 復号映像の量子化誤差低減方法及びその装置と、その量子化誤差低減方法の実現に用いられる復号映像の量子化誤差低減プログラム及びそのプログラムを記録したコンピュータ読み取り可能な記録媒体
JP4784386B2 (ja) 復号化装置、逆量子化方法及びプログラム
JP2005236584A (ja) 動画像情報変換符号化装置
JP2005516501A (ja) Ｐｂフレームモードでのビデオ画像の符号化
JP4008846B2 (ja) 画像符号化装置、画像符号化方法、画像符号化プログラム及びそのプログラムを記録した記録媒体
JP2008283302A (ja) 動画像処理装置及び動画像処理方法
WO2011042945A1 (ja) 画像処理システムおよび画像処理プログラム
Jakhetiya et al. Lossless/near lossless compression using bilateral filter and symmetrical structure based bias cancellation

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090901

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090901

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101118

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101126

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110120

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110711

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110712

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140722

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees