λ | Wavelength |
λ _{ x } | Excitation wavelength |
λ _{ m } | Emission wavelength |
ϕ | Quantum yield |
ε | Molar absorptivity |
M | Molecular weight |
f _{ x } | Fluorophore excitation spectrum |
f _{ m } | Fluorophore emission spectrum |
L _{ve} | Self-emission radiance at point p |
L _{ s } | Radiance due to scattering |
L _{ i } | Incoming radiance to point p |
L _{e} | Outgoing radiance emitted from the light source |
x _{ n } | Point on the light source for a path consisting of n points |
x _{0} | Point on the surface of the virtual film of the camera |
x _{ i }/x _{ j } | Point along the path after i or j bounces |
\(\overline {x}\) | Path connecting the camera and light source |
C | Concentration |
ω | Direction |
ω ^{′} | Incoming direction |
F _{ s } | Scattering function |
G | Geometry term |
V | Binary Visibility |
\(V_{f_{i}}\) | Path Binary Fluorescence Visibility |
τ | Transmittance |
\(\hat {V}\) | Visibility term |
σ _{s} | Scattering coefficient |
σ | Absorption coefficient |
f _{ p } | Phase function |
p _{ x } | Photon excitation (or absorption) probability |
p _{ m } | Photon emission probability |