Deep-tissue volumetric microangiography with stereovision diffuse optical localization imaging (sDOLI) in the NIR-II window (Conference Presentation)

Quanyu Zhou; Daniil Nozdriukhin; Zhenyue Chen; Lukas Glandorf; Urs Alexander Tassilo Hofmann; Michael Reiss; Xosé Luís Deán-Ben; Daniel Razansky

doi:10.1117/12.2649863

15 March 2023 Deep-tissue volumetric microangiography with stereovision diffuse optical localization imaging (sDOLI) in the NIR-II window (Conference Presentation)

Quanyu Zhou, Daniil Nozdriukhin, Zhenyue Chen, Lukas Glandorf, Urs Alexander Tassilo Hofmann, Michael Reiss, Xosé Luís Deán-Ben, Daniel Razansky

Author Affiliations +

Proceedings Volume PC12385, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXX; PC123850M (2023) https://doi.org/10.1117/12.2649863
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Comprehensive evaluation of microvascular function under normal and pathological conditions requires high-resolution three-dimensional microangiography capable of providing both morphological and functional information. Herein, we propose the stereovision Diffuse Optical Localization imaging (sDOLI) approach to attain transcranial volumetric brain microangiography through triangulation and stereo-matching of images collected with two short-wave infrared cameras. The spatio-temporal sparsity of flowing microparticles allows their precise localization while minimizing structural overlaps occurring in the dual-view projections. sDOLI is shown to preserve high spatial resolution which enables transcranial mapping of murine cortical microcirculation at capillary resolution while retrieving quantitative functional information across the entire mouse cortex.

Conference Presentation

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Quanyu Zhou, Daniil Nozdriukhin, Zhenyue Chen, Lukas Glandorf, Urs Alexander Tassilo Hofmann, Michael Reiss, Xosé Luís Deán-Ben, and Daniel Razansky "Deep-tissue volumetric microangiography with stereovision diffuse optical localization imaging (sDOLI) in the NIR-II window (Conference Presentation)", Proc. SPIE PC12385, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXX, PC123850M (15 March 2023); https://doi.org/10.1117/12.2649863

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KEYWORDS

Diffuse optical imaging

Optical imaging

Tissues

3D image processing

Blood circulation

Light scattering

Tissue optics

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