한국해양대학교

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3차원 PTV기법의 표준시험을 위한 3차원 가상영상의 구현에 관한 연구

Title
3차원 PTV기법의 표준시험을 위한 3차원 가상영상의 구현에 관한 연구
Alternative Title
(A) Study on a Construction of 3-Dimensional Virtual Images for Benchmark Test of 3-D PTV Techniques
Author(s)
홍성대
Publication Year
2000
Publisher
한국해양대학교 대학원
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002173724
http://repository.kmou.ac.kr/handle/2014.oak/8081
Abstract
A Study on a Construction of 3-Dimensional Virtual Images for Benchmark Test of 3-DPTVTechniques


Virtual images are produced for the construction of a benchmark testing tool of PIV techniques. Camera parameters obtained by an actual experiment which had already been carried out for the measurement of three-dimensional positions of particles using a 3-D PIV are used to construct the virtual images. LES(Large Eddy Simulation) data sets of a channel flow are used for generating the virtual images. Using the virtual images and the camera's parameters, three-dimensional velocity vectors are obtained for the channel flow. The capabilities of a 3-D PIV algorithm called "1-Frame 3-D PTV" are investigated by comparing the results obtained by the virtual images and those by an actual measurement for the channel flow. The obtained virtual images constructed in this study can be used for the benchmark test of any 3-dimensional PTV algorithm.
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기계공학과 > Thesis
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