Tissue discrimination in anterior eye using three optical parameters obtained by polarization sensitive optical coherence tomography

Arata Miyazawa; Masahiro Yamanari; Shuichi Makita; Masahiro Miura; Keisuke Kawana; Keiichi Iwaya; Hiroshi Gotoh; Yoshiaki Yasuno

doi:10.1117/12.840814

2 March 2010 Tissue discrimination in anterior eye using three optical parameters obtained by polarization sensitive optical coherence tomography

Arata Miyazawa, Masahiro Yamanari, Shuichi Makita, Masahiro Miura, Keisuke Kawana, Keiichi Iwaya, Hiroshi Gotoh, Yoshiaki Yasuno

Author Affiliations +

Proceedings Volume 7550, Ophthalmic Technologies XX; 75500P (2010) https://doi.org/10.1117/12.840814
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

A tissue discrimination algorithm of polarization sensitive optical coherence tomography (PS-OCT) based on optical properties of tissue was developed. We calculated three dimensional (3D) feature vector (intensity, extinction coefficient, birefringence) obtained by PS-OCT. The tissue types of each pixel were discriminated according to positions of the feature vectors in 3D feature space. This algorithm was applied for discrimination of human anterior eye chamber. Conjunctiva, selera, trabecular meshwork (TM), cornea and uvea were well separated in the 3D feature space and discriminated in good contrast.

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Arata Miyazawa, Masahiro Yamanari, Shuichi Makita, Masahiro Miura, Keisuke Kawana, Keiichi Iwaya, Hiroshi Gotoh, and Yoshiaki Yasuno "Tissue discrimination in anterior eye using three optical parameters obtained by polarization sensitive optical coherence tomography", Proc. SPIE 7550, Ophthalmic Technologies XX, 75500P (2 March 2010); https://doi.org/10.1117/12.840814

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