<s>
HDR	B-Algorithm
PhotoStudio	I-Algorithm
is	O
a	O
discontinued	O
high	B-General_Concept
dynamic	I-General_Concept
range	I-General_Concept
(	O
HDR	O
)	O
graphics	B-Application
application	I-Application
developed	O
by	O
Unified	O
Color	O
for	O
the	O
Windows	O
and	O
macOS	B-Application
operating	O
systems	O
.	O
</s>
<s>
In	O
addition	O
to	O
being	O
a	O
HDR-merge	O
application	O
,	O
HDR	B-Algorithm
PhotoStudio	I-Algorithm
offered	O
a	O
set	O
of	O
image	B-Application
editing	I-Application
operations	O
that	O
worked	O
in	O
its	O
dynamic	O
range	O
(	O
the	O
website	O
showed	O
an	O
example	O
of	O
processing	O
an	O
image	O
with	O
1,000,000	O
:1	O
contrast	O
ratio	O
)	O
,	O
human	O
color	O
range	O
(	O
gamut	O
)	O
,	O
and	O
in	O
high	O
precision	O
(	O
32-bit	O
floating	O
point	O
)	O
.	O
</s>
<s>
It	O
also	O
had	O
a	O
Color	O
Integrity	O
feature	O
that	O
enabled	O
preserving	O
an	O
image	O
's	O
color	O
tone	O
during	O
image	B-Application
editing	I-Application
operations	O
—	O
for	O
example	O
changing	O
an	O
image	O
's	O
contrast	O
would	O
not	O
change	O
its	O
chromatic	O
(	O
color	O
tone	O
)	O
data	O
.	O
</s>
<s>
HDR	B-Algorithm
PhotoStudio	I-Algorithm
implemented	O
an	O
advanced	O
HDR	O
image	B-General_Concept
compression	I-General_Concept
format	O
called	O
BEF	B-Algorithm
,	O
and	O
a	O
plug-in	O
for	O
opening	O
and	O
saving	O
files	O
in	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
was	O
also	O
included	O
with	O
the	O
application	O
.	O
</s>
<s>
HDR	B-Algorithm
PhotoStudio	I-Algorithm
was	O
discontinued	O
in	O
July	O
2010	O
.	O
</s>
<s>
BEF	B-Algorithm
is	O
an	O
HDR	O
image	O
format	O
developed	O
by	O
Unified	O
Color	O
.	O
</s>
<s>
The	O
BEF	B-Algorithm
format	O
can	O
archive	O
image	O
data	O
with	O
any	O
dynamic	O
range	O
,	O
full	O
human	O
color	O
range	O
,	O
and	O
a	O
quality	O
setting	O
directly	O
tied	O
to	O
color	O
data	O
precision	O
;	O
the	O
used	O
techniques	O
ties	O
it	O
with	O
JND	O
—	O
just	O
noticeable	O
difference	O
parameter	O
.	O
</s>
<s>
Support	O
for	O
RAW	B-Application
camera	O
formats	O
.	O
</s>
<s>
Support	O
for	O
import	O
HDR	O
images	O
from	O
Radiance	B-Application
HDR	I-Application
and	O
OpenEXR	B-Application
formats	O
.	O
</s>
