Automatic Detection and Quantitative Analysis of Insect Cardiac Function Parameters Using OCT

Xiuli Wang; Ruoxuan Du; X.Steve Yao; Ya Su; Shengwei Cui; Peng Hao; Lijun Yang; Bingbing Duan

doi:10.3788/CJL202249.2007202

Chinese Journal of Lasers, Volume. 49, Issue 20, 2007202(2022)

Automatic Detection and Quantitative Analysis of Insect Cardiac Function Parameters Using OCT

Xiuli Wang^1,2, Ruoxuan Du¹, X.Steve Yao^1,2, Ya Su^1,2,3、*, Shengwei Cui^1,2,3, Peng Hao^1,2, Lijun Yang¹, and Bingbing Duan^1,2

Author Affiliations

¹College of Physics Science & Technology, Hebei University, Baoding 071002, Hebei, China

²Hebei Provincial Center for Optical Sensing Innovations, Baoding 071002, Hebei, China

³Institute of Life Science and Green Development, Hebei University, Baoding 071002, Hebei, China

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Figures & Tables(8)

Fig. 1. Typical OCT images of locust embryo. (a) 3D projection image of locust embryo; 2D B-scan cross-sections of embryonic heart at (b) end of diastole and (c) end of systole

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Fig. 2. Flow chart of quantitative detection algorithm for cardiac function parameters

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Fig. 3. OCT M-Mode images of 9-day locust embryo. (a) Original image before treatment; (b) M-Mode image after grayscale transformation; (c) M-Mode image after grayscale transformation added with seed point; (d) M-Mode image after threshold segmentation; (e) M-Mode image after morphologic processing; (f) amplitude image of locust embryonic heart; (g) extreme points obtained by peak value extraction from Fig. 3(f)

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Fig. 4. Heart rate of locust embryo

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Fig. 5. Average maximum EDD and minimum ESD versus hatching time of locust embryonic heart

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Fig. 6. Calculation diagrams of maximum EDA and minimum ESA of locust embryonic heart. (a)(f) Original images; (b)(g) images after grayscale transformation; (c)(h) images added with seed point; (d)(i) result images after threshold segmentation; (e)(j) images after morphologic processing

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Fig. 7. Average maximum EDA and minimum ESA versus hatching time of locust embryonic heart

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Table 1. Scanning parameter setting of OCT
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Table 1. Scanning parameter setting of OCT
Scanning direction Field of view /mm Size /pixel
x (transverse) 0 720
y (longitudinal) 2 160
z (axial) 3 512

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Xiuli Wang, Ruoxuan Du, X.Steve Yao, Ya Su, Shengwei Cui, Peng Hao, Lijun Yang, Bingbing Duan. Automatic Detection and Quantitative Analysis of Insect Cardiac Function Parameters Using OCT[J]. Chinese Journal of Lasers, 2022, 49(20): 2007202

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