Interferenceless coded aperture correlation holography with enhanced reconstruction image quality by employing an optimization coded phase mask

Teng Ma; Chao Liu; Yuhong Wan

doi:10.1117/12.2601646

15 October 2021 Interferenceless coded aperture correlation holography with enhanced reconstruction image quality by employing an optimization coded phase mask

Teng Ma, Chao Liu, Yuhong Wan

Author Affiliations +

Proceedings Volume 11898, Holography, Diffractive Optics, and Applications XI; 118980T (2021) https://doi.org/10.1117/12.2601646
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

Interferenceless coded aperture correlation holography (I-COACH) is a recently developed technique for indirect 3D imaging without two-wave interference. The CPM calculated using G-S algorithm plays an important role in I-COACH system. However there are some problems with GS algorithm, such as poor convergence and cannot constrain the intensity, thus leading to noise accompany in the reconstructed images. We introduce a modified G-S algorithm to I-COACH in this work to optimize the CPM and enhance the reconstruction images quality. The results show that both the PSH and OH recorded with optimization CPM have lower noise and the reconstructions have better imaging quality.

Conference Presentation

Citation Download Citation

Teng Ma, Chao Liu, and Yuhong Wan "Interferenceless coded aperture correlation holography with enhanced reconstruction image quality by employing an optimization coded phase mask", Proc. SPIE 11898, Holography, Diffractive Optics, and Applications XI, 118980T (15 October 2021); https://doi.org/10.1117/12.2601646

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