<s>
Kernel-phases	B-Algorithm
are	O
observable	O
quantities	O
used	O
in	O
high	O
resolution	O
astronomical	O
imaging	O
used	O
for	O
superresolution	B-Algorithm
image	O
creation	O
.	O
</s>
<s>
The	O
observables	O
are	O
computed	O
through	O
linear	B-Language
algebra	I-Language
from	O
the	O
Fourier	B-Algorithm
transform	I-Algorithm
of	O
direct	O
images	O
.	O
</s>
<s>
They	O
can	O
then	O
be	O
used	O
for	O
statistical	O
testing	O
,	O
model	B-Algorithm
fitting	I-Algorithm
,	O
or	O
image	B-Algorithm
reconstruction	I-Algorithm
.	O
</s>
<s>
In	O
order	O
to	O
extract	O
kernel-phases	B-Algorithm
from	O
an	O
image	O
,	O
some	O
requirements	O
must	O
be	O
met	O
:	O
</s>
<s>
The	O
vector	O
is	O
called	O
the	O
kernel-phase	B-Algorithm
vector	O
of	O
observables	O
.	O
</s>
<s>
A	O
Python	B-Language
library	O
called	O
is	O
available	O
on	O
GitHub	B-Application
and	O
maintained	O
by	O
Frantz	O
Martinache	O
to	O
facilitate	O
the	O
extraction	O
and	O
interpretation	O
of	O
kernel-phases	B-Algorithm
.	O
</s>
<s>
The	O
KERNEL	O
project	O
,	O
has	O
received	O
funding	O
from	O
the	O
European	O
Research	O
Council	O
to	O
explore	O
the	O
potential	O
of	O
these	O
observables	O
for	O
a	O
number	O
of	O
use-cases	O
,	O
including	O
direct	O
detection	O
of	O
exoplanets	O
,	O
image	B-Algorithm
reconstruction	I-Algorithm
,	O
and	O
image	O
plane	O
wavefront	O
sensing	O
for	O
adaptive	O
optics	O
.	O
</s>
