<s>
Metropolis	B-Algorithm
light	I-Algorithm
transport	I-Algorithm
(	O
MLT	O
)	O
is	O
a	O
global	B-Algorithm
illumination	I-Algorithm
application	O
of	O
a	O
variant	O
of	O
the	O
Monte	B-Algorithm
Carlo	I-Algorithm
method	I-Algorithm
called	O
the	O
Metropolis	B-Algorithm
–	I-Algorithm
Hastings	I-Algorithm
algorithm	I-Algorithm
to	O
the	O
rendering	O
equation	O
for	O
generating	O
images	O
from	O
detailed	O
physical	O
descriptions	O
of	O
three-dimensional	O
scenes	O
.	O
</s>
<s>
Some	O
careful	O
statistical	O
calculation	O
(	O
the	O
Metropolis	B-Algorithm
algorithm	I-Algorithm
)	O
is	O
used	O
to	O
compute	O
the	O
appropriate	O
distribution	O
of	O
brightness	O
over	O
the	O
image	O
.	O
</s>
<s>
Metropolis	B-Algorithm
light	I-Algorithm
transport	I-Algorithm
is	O
an	O
unbiased	O
method	O
that	O
,	O
in	O
some	O
cases	O
(	O
but	O
not	O
always	O
)	O
,	O
converges	O
to	O
a	O
solution	O
of	O
the	O
rendering	O
equation	O
faster	O
than	O
other	O
unbiased	O
algorithms	O
such	O
as	O
path	O
tracing	O
or	O
bidirectional	O
path	O
tracing	O
.	O
</s>
