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5 March 2021 Computational multi-directional optical coherence tomography for visualizing the microstructural directionality of the tissue
Daisuke Oida, Kensuke Oikawa, Tai-Ang Wang, Meng-Tsan Tsai, Shuichi Makita, Yoshiaki Yasuno
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Proceedings Volume 11630, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXV; 116301C (2021) https://doi.org/10.1117/12.2577970
Event: SPIE BiOS, 2021, Online Only
Abstract
We demonstrated computational multi-directional optical coherence tomography to visualize the microstructural directionality of a tissue. It uses numerical sub-aperture masks to the spatial frequency spectrum of en face OCT signals. An OCT signal consists of the intensity and phase, and they are processed independently. By applying the sub-aperture masks with several directions to the intensity signal’s spectrum, we can determine the dominant en face direction of the microstructure. In addition, sub-resolution depth-orientation of the microstructure is obtained by sub-aperture processing of the OCT phase signal. The microstructural directionality of bovine Achilles tendon and chicken breast muscle samples were visualized.
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Daisuke Oida, Kensuke Oikawa, Tai-Ang Wang, Meng-Tsan Tsai, Shuichi Makita, and Yoshiaki Yasuno "Computational multi-directional optical coherence tomography for visualizing the microstructural directionality of the tissue", Proc. SPIE 11630, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXV, 116301C (5 March 2021); https://doi.org/10.1117/12.2577970
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KEYWORDS
Optical coherence tomography
Signal processing
Visualization
Tissue optics
Spatial frequencies
Tissues
Breast
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