Aiming at the limitations of the simplified spherical harmonics approximation (SP N) and
diffusion equation (DE) in describing the light propagation in tissues, a hybrid simplified …

In this work, we demonstrate the validity of the simplified spherical harmonics equations to
approximate the more complicated equation of radiative transfer for modeling light …

Recently, the simplified spherical harmonics equations (SPN) model has attracted much
attention in modeling the light propagation in small tissue geometries at visible and near …

Modeling light propagation in the whole body is essential and necessary for optical imaging.
However, non-scattering, low-scattering and high absorption regions commonly exist in …

The simplified spherical harmonics (SP n) approximation is implemented into the NIRFAST
package. Preliminary studies are presented on a small 10mm× 10mm geometry and …

The accuracy of the commonly used diffusion approximation as used in diffuse optical
tomography is known to be limited in cases involving strong absorption and in these …

Fluorescence molecular imaging/tomography may play an important future role in preclinical
research and clinical diagnostics. Time-and frequency-domain fluorescence imaging can …

The third-order simplified harmonic spherical approximation (SP 3) and diffusion
approximation (DA) equations have been widely used in the three-dimensional (3D) whole …

In this work we introduce the finite volume (FV) approximation to the simplified spherical
harmonics (SP N) equations for modeling light propagation in tissue. The SP N equations …

For fluorescence tomographic imaging of small animals, the liver is usually regarded as a
low-scattering tissue and is surrounded by adipose, kidneys, and heart, all of which have a …