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28 February 2014 Five-dimensional analysis of multi-contrast Jones matrix tomography of posterior eye
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Proceedings Volume 8930, Ophthalmic Technologies XXIV; 893008 (2014) https://doi.org/10.1117/12.2036587
Event: SPIE BiOS, 2014, San Francisco, California, United States
Abstract
Pixel clustering algorithm tailored to multi-contrast Jones matrix based optical coherence tomography (MC-JMT) is demonstrated. This algorithm clusters multiple pixels of MC-JMT in a five-dimensional (5-D) feature space which comprises dimensions of lateral space, axial space, logarithmic scattering OCT intensity, squared power of Doppler shift and degree of polarization uniformity. This 5-D clustering provides clusters of pixels, so called as superpixels. The superpixels are utilized as local regions for pixels averaging. The averaging decreases the noise in the measurement as preserving structural details of the sample. A simple decision-tree algorithm is applied to classified superpixels into some tissue types. This classification process successfully segments tissues of a human posterior eye.
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Udaya Bhaskar, Young-Joo Hong, Masahiro Miura, and Yoshiaki Yasuno "Five-dimensional analysis of multi-contrast Jones matrix tomography of posterior eye", Proc. SPIE 8930, Ophthalmic Technologies XXIV, 893008 (28 February 2014); doi: 10.1117/12.2036587; https://doi.org/10.1117/12.2036587
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