Handheld diffuse optical breast scanner probe for cross-sectional imaging of breast tissue

M Shokoufi, F Golnaraghi - Journal of Innovative Optical Health …, 2019 - World Scientific
Diffuse optical spectroscopy is a relatively new, noninvasive and nonionizing technique for
breast cancer diagnosis. In the present study, we have introduced a novel handheld diffuse …

Development of a handheld diffuse optical breast cancer assessment probe

M Shokoufi, F Golnaraghi - Journal of Innovative Optical Health …, 2016 - World Scientific
Diffuse Optical Spectroscopy (DOS) is a promising non-invasive and non-ionizing technique
for breast anomaly detection. In this study, we have developed a new handheld DOS probe …

Improving conductivity image quality using block matrix-based multiple regularization (BMMR) technique in EIT: a simulation study

TK Bera, SK Biswas, K Rajan… - Journal of Electrical …, 2011 - sciendo.com
Abstract A Block Matrix based Multiple Regularization (BMMR) technique is proposed for
improving conductivity image quality in Electrical Impedance Tomography (EIT). The …

Accelerated gradient based diffuse optical tomographic image reconstruction

SK Biswas, K Rajan, RM Vasu - Medical Physics, 2011 - Wiley Online Library
Purpose: Fast reconstruction of interior optical parameter distribution using a new approach
called Broyden‐based model iterative image reconstruction (BMOBIIR) and adjoint Broyden …

Interior photon absorption based adaptive regularization improves diffuse optical tomography

SK Biswas, K Rajan, RM Vasu - … International Conference on …, 2010 - spiedigitallibrary.org
An adaptive regularization algorithm that combines elementwise photon absorption and
data misfit is proposed to stabilize the non-linear ill-posed inverse problem. The diffuse …

Signal detectability in diffusive media using phased arrays in conjunction with detector arrays

D Kang, MA Kupinski - Optics Express, 2011 - opg.optica.org
We investigate Hotelling observer performance (ie, signal detectability) of a phased array
system for tasks of detecting small inhomogeneities and distinguishing adjacent …

Flux density calibration in diffuse optical tomographic systems

SK Biswas, K Rajan, RM Vasu - Journal of biomedical optics, 2013 - spiedigitallibrary.org
The solution of the forward equation that models the transport of light through a highly
scattering tissue material in diffuse optical tomography (DOT) using the finite element …

Pseudodynamic systems approach based on a quadratic approximation of update equations for diffuse optical tomography

SK Biswas, R Kanhirodan, RM Vasu, D Roy - JOSA A, 2011 - opg.optica.org
We explore a pseudodynamic form of the quadratic parameter update equation for diffuse
optical tomographic reconstruction from noisy data. A few explicit and implicit strategies for …

Three-dimensional diffuse optical tomography: system implementation and validation of reconstruction algorithms

SK Biswas, R Kanhirodan… - IEEE Nuclear Science …, 2010 - ieeexplore.ieee.org
We present the development of an experimental three-dimensional (3-D) diffuse optical
tomographic image reconstruction system for imaging of highly scattering tissue-mimicking …

Simulation of a fast diffuse optical tomography system based on radiative transfer equation

SM Motevalli, A Payani - The European Physical Journal Plus, 2016 - Springer
Studies show that near-infrared (NIR) light (light with wavelength between 700nm and
1300nm) undergoes two interactions, absorption and scattering, when it penetrates a tissue …