Shortwave infrared spatial frequency domain imaging for non-invasive measurement of tissue and blood optical properties

A Pilvar, J Plutzky, MC Pierce… - … of Biomedical Optics, 2022 - spiedigitallibrary.org
optical properties of the tissue. Techniques such as diffuse optical spectroscopy and spatial
frequency domain imaging (SFDI) are widely used to measure tissue optical properties in the …

… optical spectroscopy system integrating reflectance and spatial frequency domain imaging to measure attenuation-corrected intrinsic tissue fluorescence in radical …

E Beaulieu, A Laurence, M Birlea, G Sheehy… - Biomedical optics …, 2020 - opg.optica.org
… spatial frequencies (k x ) and phases to extract the tissue … is a function of tissue optical
properties (absorption coefficient… s ′), tissue response can be measured at multiple frequencies

Wide‐field optical property mapping and structured light imaging of the esophagus with spatial frequency domain imaging

JA Sweer, MT Chen, KJ Salimian… - Journal of …, 2019 - Wiley Online Library
tissue measurements to the in vivo environment. This characterization of esophageal optical
propertiesoptical systems to utilize tissue optical properties in esophageal applications. …

Wavelength and frequency optimization in spatial frequency domain imaging for two-layer tissue

Y Wang, X Kang, Y Zhang, Z Shi, H Ren… - Biomedical Optics …, 2022 - opg.optica.org
… on the optical characteristics and spatial frequency domain … map of biological tissue optical
properties is reconstructed. Finally… least square is used to solve the physiological parameters. …

[HTML][HTML] Quantifying the confounding effect of pigmentation on measured skin tissue optical properties: a comparison of colorimetry with spatial frequency domain …

T Phan, R Rowland, A Ponticorvo… - … of biomedical optics, 2022 - spiedigitallibrary.org
optics data often approximate the tissue as a semi-infinite homogeneous slab representing
the average “bulk” tissue optical properties. … the accuracy of optical property reconstruction for …

[HTML][HTML] Extracting tissue optical properties and detecting bruised tissue in pears quickly and accurately based on spatial frequency domain imaging and machine …

S Xing, J Zhang, Y Luo, Y Yang, X Fu - Foods, 2023 - mdpi.com
Frequency Domain Imaging (SFDI) has gradually become an alternative method to extract
tissue optical properties (… tissue OPs. This method allows for fast and accurate extraction of …

… the optical properties of apple tissue and their dependence on physiological and morphological characteristics during maturation. Part 1: Spatial frequency domain …

SA Lohner, K Biegert, S Nothelfer, A Hohmann… - Postharvest Biology and …, 2021 - Elsevier
… at different stripe distances ie, spatial frequencies, the optical properties of the sample can
be … resolved determination of the optical properties of the core and cortex tissue of the apple …

Machine learning approach for rapid and accurate estimation of optical properties using spatial frequency domain imaging

S Panigrahi, S Gioux - Journal of biomedical optics, 2019 - spiedigitallibrary.org
… from reflectance measurements at two spatial frequencies … of tissues. We present a machine
learning-based approach for estimating optical properties in the spatial frequency domain, …

Optical property uncertainty estimates for spatial frequency domain imaging

V Pera, K Karrobi, S Tabassum, F Teng… - Biomedical optics …, 2018 - opg.optica.org
… , allowing us to optimize spatial frequency selection for a given application. In practice, …
optical properties recovered with a two-frequency LUT algorithm, as we demonstrate with tissue-…

Measurement of tissue optical properties in a wide spectral range: a review

IS Martins, HF Silva, EN Lazareva… - Biomedical Optics …, 2023 - opg.optica.org
… Real-time wide-field and high-quality single snapshot imaging of optical properties of tissues
can be provided using a spatial frequency domain technique which principles, applications, …