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프레임 보간을 위한 프레임 차이 기반의 적응형 확장 블록 움직임 추정A Motion Estimation using Adaptively Expanded Block based on Frame Difference for Frame Interpolation

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A Motion Estimation using Adaptively Expanded Block based on Frame Difference for Frame Interpolation
Authors
곽통일조화현윤종호황보현최명렬
Issue Date
Aug-2008
Publisher
한국통신학회
Keywords
motion estimation; motion blur; frame difference; adaptively expanded block
Citation
한국통신학회논문지C, v.33, no.8, pp 598 - 604
Pages
7
Indexed
KCI
Journal Title
한국통신학회논문지C
Volume
33
Number
8
Start Page
598
End Page
604
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/42850
ISSN
1226-4717
2287-3880
Abstract
본 논문에서는 프레임 보간을 수행하여 영상 끌림 현상(motion blur)을 줄이기 위해 적용되는 프레임 차이 기반의 적응형 확장 블록을 이용한 움직임 추정을 제안한다. 제안된 방법은 상관도 높은 주변 블록의 픽셀 정보를 이용하여 움직임 추정을 수행하기 때문에 정확한 움직임 벡터를 추출할 수 있고, 프레임 차이를 이용하여 연산할 블록과 연산하지 않을 블록을 구분함으로써 연산량을 줄일 수 있다. 제안된 방법은 시뮬레이션 결과를 통하여 기존의 방법들보다 적은 연산량으로 정확한 움직임 벡터를 찾는 것을 확인하였다.
The hold-type display panel such as a liquid crystal displays(LCD) has problem of motion blur. The problem can be improved by a Frame Rate-up Conversion(FRC) using a frame interpolation. We propose a Motion Estimation(ME) by using adaptively expanded block based on frame difference for FRC. The proposed method is executed using an adaptively expanded block in order to get more accurate motion vector. By using frame difference, we can reduce complexity more significantly than conventional methods. We use quantitative analysis in order to evaluate experimental results. The results show that the proposed method has better performance and lower complexity than conventional methods.
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CHOI, MYUNG RYUL
ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)
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