<s>
Deep	B-Algorithm
Lambertian	I-Algorithm
Networks	I-Algorithm
(	O
DLN	O
)	O
is	O
a	O
combination	O
of	O
Deep	B-Algorithm
belief	I-Algorithm
network	I-Algorithm
and	O
Lambertian	O
reflectance	O
assumption	O
which	O
deals	O
with	O
the	O
challenges	O
posed	O
by	O
illumination	O
variation	O
in	O
visual	O
perception	O
.	O
</s>
<s>
Combining	O
Deep	B-Algorithm
Belief	I-Algorithm
Nets	I-Algorithm
with	O
the	O
Lambertian	O
reflectance	O
assumption	O
,	O
the	O
model	O
can	O
learn	O
good	O
priors	O
over	O
the	O
albedo	O
from	O
2D	O
images	O
.	O
</s>
