Ptychographic coherent diffractive imaging, digital holography and structured light techniques for topographical 3D imaging

Mallik M. R. Hussain; Haiyun Guo; Partha P. Banerjee

doi:10.1117/12.2591274

12 April 2021 Ptychographic coherent diffractive imaging, digital holography and structured light techniques for topographical 3D imaging

Mallik M. R. Hussain, Haiyun Guo, Partha P. Banerjee

Author Affiliations +

Proceedings Volume 11735, Pattern Recognition and Tracking XXXII; 117350H (2021) https://doi.org/10.1117/12.2591274
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

We explore different 3D imaging techniques suitable for topographical measurement of partially reflective metal surfaces produced in an additive manufacturing environment. Three candidate techniques are investigated: digital holography, ptychographic coherent diffractive imaging, and structured light. The pros and cons of each method in terms of applicability in the AM environment are discussed. Selected simulation results and experimental findings are reported.

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Mallik M. R. Hussain, Haiyun Guo, and Partha P. Banerjee "Ptychographic coherent diffractive imaging, digital holography and structured light techniques for topographical 3D imaging", Proc. SPIE 11735, Pattern Recognition and Tracking XXXII, 117350H (12 April 2021); https://doi.org/10.1117/12.2591274

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