Estimation of jones matrix, birefringence and entropy using cloude-pottier decomposition in polarization-sensitive optical coherence tomography

Masahiro Yamanari, Satoru Tsuda, Taiki Kokubun, Yukihiro Shiga, Kazuko Omodaka, Naoko Aizawa, Yu Yokoyama, Noriko Himori, Shiho Kunimatsu, Kazuichi Maruyama, Hiroshi Kunikata, Toru Nakazawa

研究成果: Article査読

18 被引用数 (Scopus)

抄録

Estimation of polarimetric parameters has been a fundamental issue to assess biological tissues that have form birefringence or polarization scrambling in polarizationsensitive optical coherence tomography (PS-OCT). We present a mathematical framework to provide a maximum likelihood estimation of the target covariance matrix and its incoherent target decomposition to estimate a Jones matrix of a dominant scattering mechanism, called Cloude-Pottier decomposition, thereby deriving the phase retardation and the optic axis of the sample. In addition, we introduce entropy that shows the randomness of the polarization property. Underestimation of the entropy at a low sampling number is mitigated by asymptotic quasi maximum likelihood estimator. A bias of the entropy from random noises is corrected to show only the polarization property inherent in the sample. The theory is validated with experimental measurements of a glass plate and waveplates, and applied to the imaging of a healthy human eye anterior segment as an image filter.

本文言語English
論文番号#269378
ページ(範囲)3551-3573
ページ数23
ジャーナルBiomedical Optics Express
7
9
DOI
出版ステータスPublished - 2016 9 1

ASJC Scopus subject areas

  • バイオテクノロジー
  • 原子分子物理学および光学

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