Image processing system of particles automeasurement for particle holograms

Lei-Jian Liu; Ying-Jiang Liu; Jingyu Yang; Yulong Cao

doi:10.1117/12.163722

2 December 1993 Image processing system of particle automeasurement for particle holograms

Lei-Jian Liu, Ying-Jiang Liu, Jingyu Yang, Yulong Cao

Proceedings Volume 2005, Optical Diagnostics in Fluid and Thermal Flow; (1993) https://doi.org/10.1117/12.163722
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

As more and more applications for particle hologram have been developed, various methods for holographic image analysis have been studied. Being the preliminary task of holographic image processing, many analysis systems of 2D cross-sectional holographic field images have been developed. This presentation describes an on-line image processing system of particles auto-measurement for particle holograms. In this system, the 2D cross-sectional images of holograms are obtained using off-axis retrieval method. The whole processing task is divided into three sub-tasks. First, using an auto threshold selection approach, all the candidate particles are segmented. Then, the overlapped particles are separated and the basic parameters for the candidate particles are calculated. Finally, the candidate particles are verified using the parameters obtained above, and statistical data for the verified particles are worked out. At last, experiment results are given out to show the feasibility of this approach.

Citation Download Citation

Lei-Jian Liu, Ying-Jiang Liu, Jingyu Yang, and Yulong Cao "Image processing system of particle automeasurement for particle holograms", Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); https://doi.org/10.1117/12.163722

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