Classification of hyperspectral in vivo brain tissue based on linear unmixing

IA Cruz-Guerrero, R Leon, DU Campos-Delgado… - Applied Sciences, 2020 - mdpi.com
Featured Application This paper describes the application of linear unmixing to classify
intraoperative hyperspectral images of in vivo brain tissue with a reduced computational cost …

Extended blind end-member and abundance extraction for biomedical imaging applications

DU Campos-Delgado, O Gutierrez-Navarro… - IEEE …, 2019 - ieeexplore.ieee.org
In some applications of biomedical imaging, a linear mixture model can represent the
constitutive elements (end-members) and their contributions (abundances) per pixel of the …

Adaptive and automatic red blood cell counting method based on microscopic hyperspectral imaging technology

X Liu, M Zhou, S Qiu, L Sun, H Liu, Q Li… - Journal of …, 2017 - iopscience.iop.org
Red blood cell counting, as a routine examination, plays an important role in medical
diagnoses. Although automated hematology analyzers are widely used, manual microscopic …

Deconvolution of fluorescence lifetime imaging microscopy by a library of exponentials

DU Campos-Delgado, OG Navarro… - Optics express, 2015 - opg.optica.org
Fluorescence lifetime microscopy imaging (FLIM) is an optic technique that allows a
quantitative characterization of the fluorescent components of a sample. However, for an …

Contactless skin blood perfusion imaging via multispectral information, spectral unmixing and multivariable regression

L Granados-Castro, O Gutierrez-Navarro… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Noninvasive methods for assessing in-vivo skin blood perfusion parameters, such as
hemoglobin oxygenation, are crucial for diagnosing and monitoring microvascular diseases …

Study of laser-induced plant fluorescence lifetime imaging technology for plant remote sensing monitor

W Wan, J Su - Measurement, 2018 - Elsevier
Plant fluorescence is too susceptible to interference and unsuitable for plant remote sensing
monitor. A plant fluorescence lifetime imaging technology based on plant remote sensing …

Blind deconvolution estimation of fluorescence measurements through quadratic programming

DU Campos-Delgado… - Journal of …, 2015 - spiedigitallibrary.org
Time-deconvolution of the instrument response from fluorescence lifetime imaging
microscopy (FLIM) data is usually necessary for accurate fluorescence lifetime estimation. In …

Extended output phasor representation of multi-spectral fluorescence lifetime imaging microscopy

DU Campos-Delgado, OG Navarro… - Biomedical optics …, 2015 - opg.optica.org
In this paper, we investigate novel low-dimensional and model-free representations for multi-
spectral fluorescence lifetime imaging microscopy (m-FLIM) data. We depart from the …

Quadratic blind linear unmixing: A graphical user interface for tissue characterization

O Gutierrez-Navarro, DU Campos-Delgado… - Computer methods and …, 2016 - Elsevier
Spectral unmixing is the process of breaking down data from a sample into its basic
components and their abundances. Previous work has been focused on blind unmixing of …

Blind deconvolution estimation by multi-exponential models and alternated least squares approximations: Free-form and sparse approach

DU Campos-Delgado, O Gutierrez-Navarro… - Plos one, 2021 - journals.plos.org
The deconvolution process is a key step for quantitative evaluation of fluorescence lifetime
imaging microscopy (FLIM) samples. By this process, the fluorescence impulse responses …