WO2008111451A1 - 動きベクトル探索方法及び装置、そのプログラム並びにプログラムを記録した記録媒体 - Google Patents

動きベクトル探索方法及び装置、そのプログラム並びにプログラムを記録した記録媒体 Download PDF

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Publication number
WO2008111451A1
WO2008111451A1 PCT/JP2008/053937 JP2008053937W WO2008111451A1 WO 2008111451 A1 WO2008111451 A1 WO 2008111451A1 JP 2008053937 W JP2008053937 W JP 2008053937W WO 2008111451 A1 WO2008111451 A1 WO 2008111451A1
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WIPO (PCT)
Prior art keywords
motion vector
program
vector
searching method
encoded
Prior art date
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PCT/JP2008/053937
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English (en)
French (fr)
Inventor
Atsushi Shimizu
Ryuichi Tanida
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Nippon Telegraph And Telephone Corporation
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Publication date
Application filed by Nippon Telegraph And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Priority to EP08721357A priority Critical patent/EP2124455A4/en
Priority to JP2009503990A priority patent/JPWO2008111451A1/ja
Priority to CA2678574A priority patent/CA2678574C/en
Priority to BRPI0808567-6A2A priority patent/BRPI0808567A2/pt
Priority to CN200880007031.2A priority patent/CN101682775B/zh
Priority to US12/527,374 priority patent/US8396130B2/en
Publication of WO2008111451A1 publication Critical patent/WO2008111451A1/ja

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    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/50—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
    • H04N19/567—Motion estimation based on 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
    • H04N19/50—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

　動き補償予測を行う映像符号化で用いられる動きベクトル探索方法であって、　符号化対象ブロックに関し、予め探索した動きベクトルを入力し、前記符号化対象ブロックの動きベクトルの発生符号量が最小となるオーバヘッドコスト最小の動きベクトルを算出し、前記入力した動きベクトルと前記算出したオーバヘッドコスト最小の動きベクトルとに基づいて探索領域を限定し、前記限定した探索領域のみを探索することで動きベクトルを探索する。符号化済みの近傍ブロックの動きベクトルから符号化対象ブロックの予測ベクトルを算出して、その算出した予測ベクトルをオーバヘッドコスト最小の動きベクトルとしても良い。
PCT/JP2008/053937 2007-03-14 2008-03-05 動きベクトル探索方法及び装置、そのプログラム並びにプログラムを記録した記録媒体 WO2008111451A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08721357A EP2124455A4 (en) 2007-03-14 2008-03-05 METHOD AND DEVICE FOR MOTION VEHICLE SEARCH, PROGRAM THEREFOR AND RECORDING MEDIUM WITH THIS PROGRAM
JP2009503990A JPWO2008111451A1 (ja) 2007-03-14 2008-03-05 動きベクトル探索方法及び装置、そのプログラム並びにプログラムを記録した記録媒体
CA2678574A CA2678574C (en) 2007-03-14 2008-03-05 Motion vector search method and apparatus, program therefor, and storage medium which stores the program
BRPI0808567-6A2A BRPI0808567A2 (pt) 2007-03-14 2008-03-05 Método e aparelho de pesquisa de vetor de movimento, programa para o mesmo, e meio de armazenamento, que armazena o programa
CN200880007031.2A CN101682775B (zh) 2007-03-14 2008-03-05 运动矢量搜索方法和装置
US12/527,374 US8396130B2 (en) 2007-03-14 2008-03-05 Motion vector search method and apparatus, program therefor, and storage medium which stores the program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-064286 2007-03-14
JP2007064286 2007-03-14

Publications (1)

Publication Number Publication Date
WO2008111451A1 true WO2008111451A1 (ja) 2008-09-18

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PCT/JP2008/053937 WO2008111451A1 (ja) 2007-03-14 2008-03-05 動きベクトル探索方法及び装置、そのプログラム並びにプログラムを記録した記録媒体

Country Status (10)

Country Link
US (1) US8396130B2 (ja)
EP (1) EP2124455A4 (ja)
JP (2) JPWO2008111451A1 (ja)
KR (1) KR101083379B1 (ja)
CN (1) CN101682775B (ja)
BR (1) BRPI0808567A2 (ja)
CA (1) CA2678574C (ja)
RU (1) RU2420913C1 (ja)
TW (1) TWI429292B (ja)
WO (1) WO2008111451A1 (ja)

Cited By (6)

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JP2012209705A (ja) * 2011-03-29 2012-10-25 Jvc Kenwood Corp 画像符号化装置、画像符号化方法及び画像符号化プログラム
JP2012209706A (ja) * 2011-03-29 2012-10-25 Jvc Kenwood Corp 画像復号装置、画像復号方法及び画像復号プログラム
JP2014511069A (ja) * 2011-03-15 2014-05-01 インテル・コーポレーション 低メモリアクセス動きベクトル導出
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KR20170096015A (ko) * 2014-12-18 2017-08-23 인나랩스 리미티드 자이로스코프
CN115630191A (zh) * 2022-12-22 2023-01-20 成都纵横自动化技术股份有限公司 基于全动态视频的时空数据集检索方法、装置及存储介质

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EP2536148B1 (en) 2010-02-09 2021-10-27 Nippon Telegraph And Telephone Corporation Predictive coding method for motion vector, predictive decoding method for motion vector, video coding device, video decoding device, and programs therefor
WO2011099468A1 (ja) 2010-02-09 2011-08-18 日本電信電話株式会社 動きベクトル予測符号化方法，動きベクトル予測復号方法，動画像符号化装置，動画像復号装置およびそれらのプログラム
WO2011099428A1 (ja) * 2010-02-09 2011-08-18 日本電信電話株式会社 動きベクトル予測符号化方法、動きベクトル予測復号方法、動画像符号化装置、動画像復号装置およびそれらのプログラム
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