<s>
Shadow	B-Algorithm
noise	I-Algorithm
or	O
luminescence	O
noise	O
is	O
an	O
effect	O
that	O
digital	O
lightening	O
has	O
on	O
an	O
image	O
,	O
specifically	O
on	O
the	O
darker	O
,	O
or	O
shadowed	O
areas	O
of	O
the	O
image	O
.	O
</s>
<s>
Brightening	O
the	O
image	O
,	O
especially	O
in	O
underexposed	O
photos	O
,	O
brings	O
out	O
the	O
"	O
shadow	B-Algorithm
noise	I-Algorithm
"	O
in	O
such	O
areas	O
.	O
</s>
<s>
There	O
are	O
methods	O
to	O
correct	O
shadow	B-Algorithm
noise	I-Algorithm
.	O
</s>
<s>
Professional	O
digital	O
editing	O
software	O
like	O
Photoshop	B-Operating_System
have	O
the	O
capability	O
to	O
eliminate	O
some	O
amount	O
of	O
noise	O
,	O
while	O
other	O
software	O
,	O
such	O
as	O
or	O
Noise	B-Operating_System
Ninja	I-Operating_System
are	O
specifically	O
designed	O
around	O
the	O
process	O
of	O
eliminating	O
shadow	B-Algorithm
noise	I-Algorithm
in	O
a	O
photo	O
.	O
</s>
