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Proceedings Paper

Simplified indicator for assessing flow velocity by simulation
Author(s): Jialin Liu; Hongchao Zhang; Zhonghua Shen; Jian Lu; Xiaowu Ni
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Paper Abstract

In order to simplify computation time for multi-exposure speckle imaging, we recently presented a new indicator of blood flow, i.e. the slope of the inverse square of the contrast values versus camera exposure time (kslope). In this paper we simulate a sequence of correlated dynamic speckle images to test the viability of kslope as an indicator of flow velocity. We find that the presence of static scattering doesn’t influence the linear relationship between the slope and flow velocity. We also show that the normalization can be performed to obtain equivalence relation between relative slope values and relative flow velocity. The computation can be greatly simplified for multi-exposure speckle imaging. This new indicator kslope can play an important role in quantitatively assessing tissue blood flow velocity.

Paper Details

Date Published: 15 October 2015
PDF: 4 pages
Proc. SPIE 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications, 96720T (15 October 2015); doi: 10.1117/12.2201053
Show Author Affiliations
Jialin Liu, Nanjing Univ. of Science and Technology (China)
Hongchao Zhang, Nanjing Univ. of Science and Technology (China)
Zhonghua Shen, Nanjing Univ. of Science and Technology (China)
Jian Lu, Nanjing Univ. of Science and Technology (China)
Xiaowu Ni, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 9672:
AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications
Byoungho Lee; Yikai Su; Min Gu; Xiaocong Yuan; Daniel Jaque, Editor(s)

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