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KR940001732A - 움직임 벡터들간의 상관성을 이용한 움직임 벡터 산출 - Google Patents

움직임 벡터들간의 상관성을 이용한 움직임 벡터 산출 Download PDF

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Publication number
KR940001732A
KR940001732A KR1019920009947A KR920009947A KR940001732A KR 940001732 A KR940001732 A KR 940001732A KR 1019920009947 A KR1019920009947 A KR 1019920009947A KR 920009947 A KR920009947 A KR 920009947A KR 940001732 A KR940001732 A KR 940001732A
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KR
South Korea
Prior art keywords
motion vector
motion
block
determined
similarity
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KR1019920009947A
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English (en)
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KR950009699B1 (ko
Inventor
김상호
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배순훈
대우전자 주식회사
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019920009947A priority Critical patent/KR950009699B1/ko
Priority to JP13785493A priority patent/JP2928708B2/ja
Priority to US08/073,747 priority patent/US5327232A/en
Publication of KR940001732A publication Critical patent/KR940001732A/ko
Application granted granted Critical
Publication of KR950009699B1 publication Critical patent/KR950009699B1/ko

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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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/223—Analysis of motion using block-matching
    • G06T7/238—Analysis of motion using block-matching using non-full search, e.g. three-step 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

본 발명은 움직임 영상 신호에서 현재 프레임의 블록 또는 화소들이 이전 프레임에 비해 어느 방향으로 얼마나 움직였는지를 벡터로 표시하는 움직임 벡터를 추정하는 방법에 관한 것으로, 최적의 움직임 벡터의 산출은, 탐색 범위내에서 모든 블록들의 현재 블록과의 유사도를 계산하고, 동일한 유사도를 가진 여러개의 움직임 벡터가 발생될 경우 현재 프레임내의 바로전 블록에서 결정된 움직임 벡터나 또는 바로 전 프레임내의 해당 블록에서 결정된 움직임 벡터와 비교하여 유사도가 가장 큰 것을 움직임 벡터로 결정한다.

Description

움직임 벡터들간의 상관성을 이용한 움직임 벡터 산출
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 움직임 보상을 수행하는 산호원 부호기의 블럭도.
제2도는 본 발명에 따른 움직임 벡터를 산출하는 흐름도.

Claims (1)

  1. 움직임 영상 신호에서 현재 프레임의 화소들이 이전 프레임에 비해 어느 방향으로 얼마나 움직였는지를 표시하는 움직임 벡터를 추정하기 위하여, 모든 탐색범위내에서 블록간의 유사도를 계산하는 단계와; 동일한 유사도를 가진 여러개의 움직임 벡터가 발생할 경우, 현재 프레임내의 바로전의 블록에서 결정된 움직임 벡터와 비교하거나 또는 바로전 프레임내의 해당블록에서 결정된 움직임 벡터와 비교하여 가장 유사한 벡터를 현재 블록의 움직임 벡터로 결정하는 단계를 포함한 움직임 벡터 산출 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920009947A 1992-06-09 1992-06-09 움직임벡터 검출방법 및 장치 KR950009699B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019920009947A KR950009699B1 (ko) 1992-06-09 1992-06-09 움직임벡터 검출방법 및 장치
JP13785493A JP2928708B2 (ja) 1992-06-09 1993-06-08 運動ベクター検出方法および装置
US08/073,747 US5327232A (en) 1992-06-09 1993-06-08 Method and apparatus for detecting motion vectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920009947A KR950009699B1 (ko) 1992-06-09 1992-06-09 움직임벡터 검출방법 및 장치

Publications (2)

Publication Number Publication Date
KR940001732A true KR940001732A (ko) 1994-01-11
KR950009699B1 KR950009699B1 (ko) 1995-08-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920009947A KR950009699B1 (ko) 1992-06-09 1992-06-09 움직임벡터 검출방법 및 장치

Country Status (3)

Country Link
US (1) US5327232A (ko)
JP (1) JP2928708B2 (ko)
KR (1) KR950009699B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
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KR20030009684A (ko) * 2001-07-23 2003-02-05 주식회사 오픈비주얼 비디오의 움직임 벡터 추정 방법

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JP2789967B2 (ja) * 1992-11-02 1998-08-27 松下電器産業株式会社 動きベクトル検出装置
FR2699780B1 (fr) * 1992-12-22 1995-03-17 Philips Electronique Lab Dispositif de traitement récursif de signal vidéo comprenant une pluralité de branches.
JPH0730896A (ja) * 1993-06-25 1995-01-31 Matsushita Electric Ind Co Ltd 動きベクトル符号化及び復号化方法
DE69417127T2 (de) * 1993-09-09 1999-10-14 Sony Corp. Vorrichtung und Verfahren zur Detektion eines Bewegungsvektors
JPH07135663A (ja) * 1993-09-17 1995-05-23 Oki Electric Ind Co Ltd 動きベクトル検出方法および動きベクトル検出装置
US5506622A (en) * 1994-05-02 1996-04-09 Daewoo Electronics Co., Ltd. Block matching type motion vector determination using correlation between error signals
US6038345A (en) * 1994-05-26 2000-03-14 Canon Kabushiki Kaisha Apparatus for encoding/decoding image data
US5617149A (en) * 1994-11-22 1997-04-01 Electronics And Telecommunications Research Institute Apparatus and method for detecting scene changes using the difference of mad between image frames
FR2728091B1 (fr) * 1994-12-13 1997-01-31 Thomson Consumer Electronics Procede de selection de vecteurs mouvement et dispositif de traitement d'images mettant en oeuvre ledit procede
US5539469A (en) * 1994-12-30 1996-07-23 Daewoo Electronics Co., Ltd. Apparatus for determining motion vectors through the use of an adaptive median filtering technique
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KR100207390B1 (ko) * 1995-09-15 1999-07-15 전주범 계층적인 움직임 추정기법을 이용하는 음직임 벡터 검출방법
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TWI260509B (en) * 2002-08-15 2006-08-21 Sony Corp Method and apparatus for processing image data and semiconductor storage device
JP4203736B2 (ja) * 2002-09-09 2009-01-07 日本ビクター株式会社 画像の動き検出装置及びコンピュータプログラム
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DE10327577A1 (de) * 2003-06-18 2005-01-13 Micronas Gmbh Verfahren zur Ermittlung eines Verschiebungsvektors in der Bildverarbeitung
FR2871018A1 (fr) * 2004-05-25 2005-12-02 St Microelectronics Sa Procede et dispositif pour les systemes d'interpolation d'images par estimation et compensation de mouvement
US20060215036A1 (en) * 2005-03-25 2006-09-28 Multivision Intelligent Surveillance (Hk) Ltd. Method and apparatus for video stabilization
US8150155B2 (en) 2006-02-07 2012-04-03 Qualcomm Incorporated Multi-mode region-of-interest video object segmentation
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CN101803363B (zh) * 2007-09-10 2013-09-18 英属开曼群岛商泰鼎微系统股份有限公司 用于视频图像数据中的基于行的运动估计的方法和装置
JP5114290B2 (ja) * 2008-05-27 2013-01-09 三洋電機株式会社 信号処理装置
WO2012096173A1 (ja) * 2011-01-12 2012-07-19 パナソニック株式会社 動画像符号化方法および動画像復号化方法
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KR101480750B1 (ko) * 2014-06-26 2015-01-12 (주)유디피 모션 검출 장치 및 방법

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
KR20030009684A (ko) * 2001-07-23 2003-02-05 주식회사 오픈비주얼 비디오의 움직임 벡터 추정 방법

Also Published As

Publication number Publication date
JP2928708B2 (ja) 1999-08-03
JPH0634651A (ja) 1994-02-10
KR950009699B1 (ko) 1995-08-26
US5327232A (en) 1994-07-05

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