KR920009185A - 영상 리세팅 방법 및 장치 - Google Patents

영상 리세팅 방법 및 장치 Download PDF

Info

Publication number
KR920009185A
KR920009185A KR1019910017573A KR910017573A KR920009185A KR 920009185 A KR920009185 A KR 920009185A KR 1019910017573 A KR1019910017573 A KR 1019910017573A KR 910017573 A KR910017573 A KR 910017573A KR 920009185 A KR920009185 A KR 920009185A
Authority
KR
South Korea
Prior art keywords
image
matrix
weighting function
dots
value
Prior art date
Application number
KR1019910017573A
Other languages
English (en)
Inventor
쉐방쎄 크리스또프
또로 도미니끄
Original Assignee
아르레뜨 다낭제
똥송-쎄 에스 에프
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 아르레뜨 다낭제, 똥송-쎄 에스 에프 filed Critical 아르레뜨 다낭제
Publication of KR920009185A publication Critical patent/KR920009185A/ko

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
    • H04N19/503—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
    • H04N19/547—Motion estimation performed in a transform domain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/262—Analysis of motion using transform domain methods, e.g. Fourier domain methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/32—Determination of transform parameters for the alignment of images, i.e. image registration using correlation-based methods
    • 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
    • H04N19/527—Global motion vector estimation
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mathematical Physics (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

내용 없음

Description

영상 리세팅 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원에 따른 영상 리세팅 방법의 블럭도,
제2a, b 및 2c도는 가중 함수의 설정에 관한 설명을 위한 도면,
제3도는 변환 평면에서 상관 함수에 적용한 가중 함수에 대한 입체적 도면.

Claims (7)

  1. 이전에 행해진 기준 영상 휘도값fr(x, y)의 평면 퓨리에 변환 Fr(u, v)로서 영상을 리세팅하는 방법에 있어서, 현재 영상의 휘도값fc(x, y)의 2D이산퓨리에 변환 Fc(u, v)을 행하는 단계와, 기준 영상에 대한 퓨리에 변환과 구해진 계수의 변조치로서 표준화된 현재 영상의 퓨리에 변환간의 상관 매트릭스c(u, v)의 계산 단계와, 상기 매트릭스의 역변환 계산을 행하여, 아나로그 영상 소자간의 이동에 관한 공간 영역(x, y) 특성에서 상관 피크를 발생하는 단계를 구비하고, 역변환 퓨리에 계산 이전에, 상관 매트릭스는 노이즈의 영향을 제한하기 위해 가중함수P(u, v)에 의해 가중되며, 구성 정보의 평균값을 증폭하는 영상 리세팅 방법.
  2. 제1항에 있어서, 변환 평면에서의 가중함수는 고역 필터와 유사한 방식으로 제1의 값 D1보사 작은 소수의 도트와 관계된 상관 매트릭스의 영향을 감소시키고, 또한 저역 필터와 유사한 방식으로 제2의 값 D2보사 큰 상당 갯수의 도트와 관계된 상관 매트릭스 성분의 역향을 줄이며, 2개의 파라미터 D1과 D2간의 도트 수와 관계된 매트릭스의 성분이 중요시되는 영상 리세팅 방법.
  3. 제2항에 있어서, 가중함수의 피라미터는 처리 영상이 유입되는 센서의 특성에 기초하여 결정되는 영상 리세팅 방법.
  4. 제1항 내지 제3항에 따른 방법에 행하는 영상 리세팅 장치에 있어서, 가중함수 P(u, v)를 형성하는 가중 계수 저장용 PROM메모리를 포함하는 영상 리세팅 장치.
  5. 제4항에 있어서, N.M도트를 갖는 영상에서, 매트릭스의 규격은 허미티안 대칭을 고려하여 N.(M/2+1)으로 제한되는 영상 리세팅 장치.
  6. 제5항에 있어서, 매트릭스의 규격은 가중함수가 원형 대칭일 경우와, 허미티안 대칭을 고려하여 (N/2+1).(M/2+1)으로 한정되는 영상 리세팅 장치.
  7. 제6항에 있어서, 매트릭스의 규격은 가중함수가 원형 대칭일 경우와, 허미티안 대칭을 고려하여 (N/2+1).(M/2+1)으로 한정되는 영상 리세팅 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910017573A 1990-10-09 1991-10-08 영상 리세팅 방법 및 장치 KR920009185A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9012446 1990-10-09
FR9012446A FR2667712B1 (fr) 1990-10-09 1990-10-09 Procede et dispositif de recalage d'images utilisant une correlation de phase avec ponderation pour determiner un decalage.

Publications (1)

Publication Number Publication Date
KR920009185A true KR920009185A (ko) 1992-05-28

Family

ID=9401065

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910017573A KR920009185A (ko) 1990-10-09 1991-10-08 영상 리세팅 방법 및 장치

Country Status (5)

Country Link
EP (1) EP0480807B1 (ko)
JP (1) JPH04273589A (ko)
KR (1) KR920009185A (ko)
DE (1) DE69113201T2 (ko)
FR (1) FR2667712B1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9214213D0 (en) * 1992-07-03 1992-08-12 Snell & Wilcox Ltd Correlation signal processing
ES2074938B1 (es) * 1993-04-19 1997-07-01 Varboli S A Procedimiento para la insercion dinamica de una imagen en otra correspondiente a un objeto en movimiento.
GB9325922D0 (en) * 1993-12-18 1994-02-23 Kodak Ltd Detection of global translations between images
GB9425328D0 (en) * 1994-12-15 1995-02-15 Snell & Wilcox Ltd Signal processing
CN1151472C (zh) * 1996-10-30 2004-05-26 株式会社山武 距离测量设备和三维图象测量设备
AU2003282269A1 (en) * 2002-11-27 2004-06-18 Koninklijke Philips Electronics N.V. Image processing system and medical examination apparatus for correlating features in medical images
US7609858B2 (en) 2004-08-31 2009-10-27 Hewlett-Packard Development Company, L.P. Displacement measurements using phase changes
GB2439984A (en) * 2006-07-11 2008-01-16 Tandberg Television Asa Motion estimation using 2D correlation in the transform domain
US20090175539A1 (en) * 2008-01-09 2009-07-09 Authorizer Technologies, Inc. Method and system for swipe sensor image alignment using fourier phase analysis
JP5331721B2 (ja) * 2010-02-02 2013-10-30 アズビル株式会社 画像処理装置、画像処理方法および画像処理プログラム
CN101976434B (zh) * 2010-08-27 2012-05-30 浙江大学 一种用于图像配准的频域加权的相关方法
CN109859126B (zh) * 2019-01-17 2021-02-02 浙江大华技术股份有限公司 一种视频降噪方法、装置、电子设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570070A (en) * 1976-01-07 1980-06-25 Emi Ltd Arrangement for correlating pictures
GB8604253D0 (en) * 1986-02-20 1986-03-26 British Broadcasting Corp Video signal processing systems
US4826285A (en) * 1987-09-24 1989-05-02 Horner Joseph L Method of enhancing the signal to noise ratio of an image recognition correlator
US5111511A (en) * 1988-06-24 1992-05-05 Matsushita Electric Industrial Co., Ltd. Image motion vector detecting apparatus

Also Published As

Publication number Publication date
JPH04273589A (ja) 1992-09-29
FR2667712A1 (fr) 1992-04-10
DE69113201T2 (de) 1996-02-22
DE69113201D1 (de) 1995-10-26
EP0480807B1 (fr) 1995-09-20
EP0480807A1 (fr) 1992-04-15
FR2667712B1 (fr) 1994-08-26

Similar Documents

Publication Publication Date Title
KR920009185A (ko) 영상 리세팅 방법 및 장치
KR920013177A (ko) 연산장치
KR960036769A (ko) 육각그리드에서의 삼각구조 형성 장치
US5835375A (en) Integrated MPEG audio decoder and signal processor
青木一郎 Experimental and theoretical studies on schooling in fish. II. Internal dynamics of fish schools in relation to inter-fish distance.
WO1999034321A3 (en) Producing an enhanced raster image
US6408103B1 (en) Method for preserving spatial detail and color content when adjusting the tone scale of a digital color image
Yu et al. Adaptive beamforming based on nonuniform linear arrays with enhanced degrees of freedom
EP0367310A3 (en) Picture motion measurement
US20050089240A1 (en) Applying a tone scale function to a digital image
US4648057A (en) Robust iterative technique for high-resolution spatial processing and spectral estimation
KR920003745A (ko) 고스트 소거회로
JPWO2005125179A1 (ja) 質感を強調する画像処理装置、画像処理プログラム、電子カメラ、および画像処理方法
DE69310561T2 (de) Kombinierte aktive Raumresonanzunterdrückung und Raumhallerzeugung
JPS6269225A (ja) 波動の結像方法
Capra et al. A note on generating multivariate data with desired means, variances, and covariances
JPS63184486A (ja) 巡回型雑音低減装置
Srisomboon et al. A performance comparison of two PWS filters in different domain for image reconstruction technique under different image types
JPS5376815A (en) Magnetic recorder/reproducer
SU1468266A1 (ru) Способ когерентной оптической обработки информации на основе фотонного эха
KR960012698A (ko) 개선된 벡터 제한 방법
Campisi et al. A single input three output model based approach to color texture generation
Schwabe E-optimum designs in linear models with both qualitative and quantitative factors of influence
MARTIN Low sensitivity interpolation using feed-forward neural networks with one hidden layer(Final Report, Oct. 1990- Oct. 1991)
JPH0468974A (ja) 輪郭強調回路

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application