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Critical Reviews™ in Biomedical Engineering
SJR: 0.26 SNIP: 0.375 CiteScore™: 1.4

ISSN 印刷: 0278-940X
ISSN オンライン: 1943-619X

Critical Reviews™ in Biomedical Engineering

DOI: 10.1615/CritRevBiomedEng.v28.i34.230
pages 493-498

Efficient Sampling in 3-D Stereologic Volumetry

Jagath C. Rajapakse
School of Applied Science, Nanyang Technological University, Block N4, Nanyang Avenue, Singapore 639798
Lee Kian Keong
School of Applied Science, Nanyang Technological University, Block N4, Nanyang Avenue, Singapore 639798

要約

Present 3-D stereology techniques use fixed grid sampling where the sampling grid of test points is randomly placed in 3-D. In order to increase randomness of sampling, in this paper we propose random grid sampling scheme where grid sections are placed randomly over 2-D cross-sections. A random grid sampler has superior efficiency and accuracy compared with fixed grid sampling. Using MR head scans we demonstrate the use of random grid sampling in volumetry of structures in 3-D biomedical images.


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