Lens-free through-focus super resolution holographic microscopy with novel phase retrieval algorithm (Conference Presentation)

Kyungwon Yun; Jaehyeon Son; Taewan Kim; Seung Beom Park; Jaehwang Jung; Daejun Park; Doyoung Kim; Myungjun Lee

doi:10.1117/12.2551033

11 March 2020 Lens-free through-focus super resolution holographic microscopy with novel phase retrieval algorithm (Conference Presentation)

Kyungwon Yun, Jaehyeon Son, Taewan Kim, Seung Beom Park, Jaehwang Jung, Daejun Park, Doyoung Kim, Myungjun Lee

Author Affiliations +

Proceedings Volume 11249, Quantitative Phase Imaging VI; 112490M (2020) https://doi.org/10.1117/12.2551033
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

Lensfree digital holographic technique can become a powerful microscopic solution by adequately adapting a super resolution(SR) method together with an advanced phase retrieval algorithm. However, it comes at the cost of acquiring multiple images as well as processing large volume of data. Here, we present a multi-height based SR technique that can maximize the signal to noise ratio and the resolution, approximately 2.5 times over the actual pixel size of an image sensor, while minimizing computational cost by utilizing the much less set of the sub-pixel shifted images compared to the conventional SR methods.

Conference Presentation

Citation Download Citation

Kyungwon Yun, Jaehyeon Son, Taewan Kim, Seung Beom Park, Jaehwang Jung, Daejun Park, Doyoung Kim, and Myungjun Lee "Lens-free through-focus super resolution holographic microscopy with novel phase retrieval algorithm (Conference Presentation)", Proc. SPIE 11249, Quantitative Phase Imaging VI, 112490M (11 March 2020); https://doi.org/10.1117/12.2551033

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