<s>
Relaxation	B-General_Concept
labelling	I-General_Concept
is	O
an	O
image	O
treatment	O
methodology	O
.	O
</s>
<s>
Its	O
goal	O
is	O
to	O
associate	O
a	O
label	O
to	O
the	O
pixels	B-Algorithm
of	O
a	O
given	O
image	O
or	O
nodes	O
of	O
a	O
given	O
graph	O
.	O
</s>
