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22 April 2020 True 3D reconstruction in digital holography (Conference Presentation)
Kedar Khare, Sunaina Rajora, Mansi Butola, Jasleen Birdi
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Proceedings Volume 11402, Three-Dimensional Imaging, Visualization, and Display 2020; 1140209 (2020) https://doi.org/10.1117/12.2559477
Event: SPIE Defense + Commercial Sensing, 2020, Online Only
Abstract
Holographic replay traditionally involves back propagation of object field from the hologram plane to the 3D volume of interest where we expect the original object to be located. While this operation has traditionally been considered to “reconstruct” the 3D object we will show that the replay process is in fact a Hermitian transpose operation corresponding to the hologram formation process. Based on this understanding we develop a sparsity assisted iterative algorithm for true 3D reconstruction of the object from the object wavefront in the hologram plane. The inverse solution will be illustrated for the case of particle field holograms where the object volume consists of sparsely populated particles.
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Kedar Khare, Sunaina Rajora, Mansi Butola, and Jasleen Birdi "True 3D reconstruction in digital holography (Conference Presentation)", Proc. SPIE 11402, Three-Dimensional Imaging, Visualization, and Display 2020, 1140209 (22 April 2020); https://doi.org/10.1117/12.2559477
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KEYWORDS
Holograms
Digital holography
3D modeling
Reconstruction algorithms
Holography
3D image reconstruction
Algorithm development
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