Bulk phase error correction for holographic signal processing of optical coherence tomography

Kensuke Oikawa; Shuichi Makita; Daisuke Oida; Yoshiaki Yasuno; Kensuke Oikawa

doi:10.1117/12.2573231

15 June 2020 Bulk phase error correction for holographic signal processing of optical coherence tomography

Kensuke Oikawa, Shuichi Makita, Daisuke Oida, Yoshiaki Yasuno, Kensuke Oikawa

Proceedings Volume 11521, Biomedical Imaging and Sensing Conference 2020; 115210P (2020) https://doi.org/10.1117/12.2573231
Event: SPIE Technologies and Applications of Structured Light, 2020, Yokohama, Japan

Abstract

A numerical method to cancel the phase error caused by sample bulk motion from SD-OCT volume data is presented. This method first measures the vectorial gradient field of the phase error. The phase error is then estimated by path integration operation with non-standard integration paths. The performance of this method is validated by assessing the image quality of numerically refocused OCT images which is generated by complex holographic signal processing.

Citation Download Citation

Kensuke Oikawa, Shuichi Makita, Daisuke Oida, Yoshiaki Yasuno, and Kensuke Oikawa "Bulk phase error correction for holographic signal processing of optical coherence tomography", Proc. SPIE 11521, Biomedical Imaging and Sensing Conference 2020, 115210P (15 June 2020); https://doi.org/10.1117/12.2573231

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