<s>
The	B-Algorithm
Brenizer	I-Algorithm
Method	I-Algorithm
,	O
sometimes	O
referred	O
to	O
as	O
Bokeh	O
Panorama	O
or	O
Bokehrama	B-Algorithm
,	O
is	O
a	O
photographic	O
technique	O
characterized	O
by	O
the	O
creation	O
of	O
a	O
digital	O
image	O
exhibiting	O
a	O
shallow	O
depth	O
of	O
field	O
in	O
tandem	O
with	O
a	O
wide	O
angle	O
of	O
view	O
.	O
</s>
<s>
Large	O
format	O
cameras	O
use	O
a	O
negative	O
that	O
is	O
at	O
least	O
4×5	O
inches	O
(	O
102×127mm	O
)	O
and	O
are	O
known	O
for	O
their	O
very	O
shallow	O
depth	O
of	O
field	O
when	O
using	O
a	O
wide	O
aperture	B-General_Concept
and	O
their	O
unique	O
high	O
level	O
of	O
clarity	O
,	O
contrast	O
and	O
control	O
.	O
</s>
<s>
Image	B-Algorithm
sensor	I-Algorithm
formats	I-Algorithm
of	O
common	O
digital	O
cameras	O
,	O
in	O
comparison	O
,	O
are	O
much	O
smaller	O
,	O
ranging	O
down	O
to	O
the	O
tiny	O
sensors	O
in	O
camera	O
phones	O
.	O
</s>
<s>
The	B-Algorithm
Brenizer	I-Algorithm
method	I-Algorithm
increases	O
the	O
effective	O
sensor	B-Algorithm
size	I-Algorithm
of	O
the	O
camera	O
,	O
simulating	O
the	O
characteristics	O
of	O
large	O
format	O
photography	O
.	O
</s>
<s>
It	O
uses	O
panoramic	O
stitching	O
,	O
for	O
the	O
purpose	O
of	O
applying	O
the	O
shallow	O
depth-of-field	O
associated	O
with	O
wide-aperture	O
telephoto	O
lenses	O
to	O
a	O
wider-frame-of-view	O
composition	O
.	O
</s>
<s>
Shallow	O
depth	O
of	O
field	O
panoramic	O
stitching	O
photographs	O
are	O
sometimes	O
referred	O
to	O
as	O
the	B-Algorithm
Brenizer	I-Algorithm
Method	I-Algorithm
as	O
he	O
's	O
popularized	O
it	O
in	O
recent	O
years	O
through	O
his	O
work	O
,	O
with	O
an	O
image	O
produced	O
by	O
this	O
method	O
sometimes	O
referred	O
to	O
as	O
Bokeh	O
Panorama	O
(	O
or	O
the	O
portmanteau	O
Bokehrama	B-Algorithm
)	O
in	O
reference	O
to	O
the	O
deliberate	O
blurring	O
style	O
of	O
bokeh	O
photography	O
.	O
</s>
<s>
The	O
process	O
requires	O
taking	O
multiple	O
shots	O
of	O
a	O
scene	O
in	O
a	O
manner	O
that	O
allows	O
for	O
later	O
image	B-Algorithm
stitching	I-Algorithm
using	O
a	O
fast	O
lens	O
,	O
generally	O
of	O
a	O
focal	O
length	O
of	O
50	O
mm	O
or	O
longer	O
.	O
</s>
<s>
It	O
is	O
also	O
beneficial	O
to	O
use	O
manual	O
focus	O
,	O
manual	O
white	B-Algorithm
balance	I-Algorithm
and	O
manual	O
shutter	O
and	O
aperture	B-General_Concept
controls	O
to	O
maintain	O
a	O
uniform	O
exposure	O
across	O
the	O
entire	O
set	O
of	O
images	O
.	O
</s>
<s>
The	O
realignment	O
and	O
mosaicing	B-Algorithm
of	O
images	O
during	O
the	O
image	B-Algorithm
stitching	I-Algorithm
process	O
removes	O
any	O
link	O
between	O
the	O
format	O
of	O
the	O
original	O
images	O
and	O
the	O
output	O
image	O
.	O
</s>
<s>
The	O
image	B-Algorithm
stitching	I-Algorithm
process	O
generally	O
introduces	O
a	O
great	O
deal	O
of	O
distortion	O
.	O
</s>
