Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles

Zonghua Liu; Sarah Giering; Tomoko Takahashi; Thangavel Thevar; Marika Takeuchi; Nick Burns; Blair Thornton; John Watson; Dhugal Linsday

doi:10.1109/UT49729.2023.10103440

Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles

Zonghua Liu^*, Sarah Giering, Tomoko Takahashi, Thangavel Thevar, Marika Takeuchi, Nick Burns, Blair Thornton, John Watson, Dhugal Linsday

^*Corresponding author for this work

Engineering

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

2 Citations (Scopus)

Abstract

Studying the amount, variety, and distribution of microscale particles and plankton at the global scale at different times and seasons is very important to understand ocean environments, and by reference, the global environment. It is important to image them in their natural habitats. Many optical techniques have been developed to meet this requirement. Most techniques suffer from one or another drawbacks, such as limited depth-of-field or low volume. Digital holography is an advanced optical imaging technique to image micro-objects, and it provides high-resolution recording, large depth-of-field and recording volume, and 3D viewing and tracking. This paper describes basic principles of in-line digital holography and provides common image processing methods. Four submersible digital holographic cameras, eHoloCam, RamaCam, weeHoloCam, and LISST-Holo, are introduced, as well as their image processing software. At the end, some limitations and challenges in the underwater holographic imaging systems are mentioned, and some possible solutions are discussed.

Original language	English
Title of host publication	2023 IEEE International Symposium on Underwater Technology, UT 2023
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9798350331752
DOIs	https://doi.org/10.1109/UT49729.2023.10103440
Publication status	Published - Mar 2023
Event	2023 IEEE International Symposium on Underwater Technology, UT 2023 - Tokyo, Japan Duration: 6 Mar 2023 → 9 Mar 2023

Conference

Conference	2023 IEEE International Symposium on Underwater Technology, UT 2023
Country/Territory	Japan
City	Tokyo
Period	6/03/23 → 9/03/23

Bibliographical note

Funding Information:
This work is funded by an European research program (Advancing Novel Imaging Technologies and Data Analyses in order to Understand Interior Ocean Carbon Storage (abbreviated as ANTICS), under project code P11105-01).

Publisher Copyright:
© 2023 IEEE.

Keywords

digital holography
hologram processing
marine microscale particles and plankton
submersible holographic cameras

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/UT49729.2023.10103440

Cite this

Liu, Z., Giering, S., Takahashi, T., Thevar, T., Takeuchi, M., Burns, N., Thornton, B., Watson, J., & Linsday, D. (2023). Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles. In 2023 IEEE International Symposium on Underwater Technology, UT 2023 Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/UT49729.2023.10103440

Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles. / Liu, Zonghua; Giering, Sarah; Takahashi, Tomoko et al.
2023 IEEE International Symposium on Underwater Technology, UT 2023. Institute of Electrical and Electronics Engineers Inc., 2023.

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Liu, Z, Giering, S, Takahashi, T, Thevar, T, Takeuchi, M, Burns, N, Thornton, B, Watson, J & Linsday, D 2023, Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles. in 2023 IEEE International Symposium on Underwater Technology, UT 2023. Institute of Electrical and Electronics Engineers Inc., 2023 IEEE International Symposium on Underwater Technology, UT 2023, Tokyo, Japan, 6/03/23. https://doi.org/10.1109/UT49729.2023.10103440

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Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles

Abstract

Conference

Bibliographical note

Keywords

UN SDGs

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