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15 October 2015 Simplified indicator for assessing flow velocity by simulation
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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.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jialin Liu, Hongchao Zhang, Zhonghua Shen, Jian Lu, and Xiaowu Ni "Simplified indicator for assessing flow velocity by simulation", Proc. SPIE 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications, 96720T (15 October 2015);

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