An approach for sensing marine plankton using digital holographic imaging |
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Authors: | Shizhe Tan Shengxu Wang |
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Affiliation: | Department of Electronic Engineering, Ocean University of China, Qingdao 266071, Shandong, China |
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Abstract: | The goal of this paper is to use digital holographic imaging for sensing marine plankton in recording sampling volume. The process stage of this approach includes: wavefront recording using in-line holographic recording set up and numerical reconstruction using Fresnel approximation and convolution algorithm. So, by capturing hologram of marine plankton and reconstructing hologram, the recorded optical field of marine plankton is retrieved. Digital holographic imaging is an extremely powerful technique for the study of marine plankton fields as it allows instantaneous, noninvasive, high-resolution recording of substantial volumes. Finally, this paper presents that it is possible for digital holographic imaging system to sense marine plankton according to laboratory results. |
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Keywords: | Digital holographic imaging Marine plankton Numerical reconstruction |
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