Computational optical tomography using 3-D deep convolutional neural networks

Thanh C. Nguyen; Vy Bui; George Nehmetallah

doi:10.1117/1.OE.57.4.043111

26 April 2018 Computational optical tomography using 3-D deep convolutional neural networks

Thanh C. Nguyen, Vy Bui, George Nehmetallah

Author Affiliations +

Funded by: Nvidia Corporation

Optical Engineering, Vol. 57, Issue 4, 043111 (April 2018). https://doi.org/10.1117/1.OE.57.4.043111

Abstract

Deep convolutional neural networks (DCNNs) offer a promising performance for many image processing areas, such as super-resolution, deconvolution, image classification, denoising, and segmentation, with outstanding results. Here, we develop for the first time, to our knowledge, a method to perform 3-D computational optical tomography using 3-D DCNN. A simulated 3-D phantom dataset was first constructed and converted to a dataset of phase objects imaged on a spatial light modulator. For each phase image in the dataset, the corresponding diffracted intensity image was experimentally recorded on a CCD. We then experimentally demonstrate the ability of the developed 3-D DCNN algorithm to solve the inverse problem by reconstructing the 3-D index of refraction distributions of test phantoms from the dataset from their corresponding diffraction patterns.

Citation Download Citation

Thanh C. Nguyen, Vy Bui, and George Nehmetallah "Computational optical tomography using 3-D deep convolutional neural networks," Optical Engineering 57(4), 043111 (26 April 2018). https://doi.org/10.1117/1.OE.57.4.043111

Received: 4 January 2018; Accepted: 3 April 2018; Published: 26 April 2018

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