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The
Dichromatic Reflection Equation
L(l,i,e,g) = m (i,e,g)c
(l) + m (i,e,g)c
(l)
s
s
b
b
• c
and c are the spectral power
distributions
• m
and m are the geometric scale
factors
s
b
b
s
For RGB images,
this reduces to the pixel equation
C = [R,G,B] = m C + m C
s
s
b
b