Mentions légales du service
Skip to content
GitLab
Explore
Sign in
Primary navigation
Search or go to…
Project
U
utils
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Deploy
Releases
Container registry
Model registry
Monitor
Incidents
Service Desk
Analyze
Value stream analytics
Contributor analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
LightFieldCodingLibrary
utils
Commits
aecab73b
Commit
aecab73b
authored
5 years ago
by
DIB Elian
Browse files
Options
Downloads
Patches
Plain Diff
Compute ssim depending on number of output arguments
parent
68b7f8c9
No related branches found
No related tags found
No related merge requests found
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
qualityMetrics.m
+22
-16
22 additions, 16 deletions
qualityMetrics.m
with
22 additions
and
16 deletions
qualityMetrics.m
+
22
−
16
View file @
aecab73b
function
[
psnr_y
,
ssim_y
,
psnr_yuv
,
ssim_yuv
,
psnr_u
,
ssim_u
,
psnr_v
,
ssim_v
]
=
...
qualityMetrics
(
rec
,
ref
,
varargin
)
function
[
psnr_y
,
psnr_yuv
,
psnr_u
,
psnr_v
,
ssim_y
,
ssim_yuv
,
ssim_u
,
ssim_v
]
=
...
qualityMetrics
(
rec
,
ref
,
n
,
varargin
)
%QUALITYMETRICS Summary of this function goes here
% Detailed explanation goes here
if
(
nargin
<
3
)
if
~
exist
(
'n'
,
'var'
)
dr
=
diff
(
getrangefromclass
(
rec
));
n
=
log2
(
double
(
dr
)
+
1
);
else
n
=
varargin
{
1
};
dr
=
2
^
n
-
1
;
end
compute_ssim
=
nargout
>
4
;
numchan
=
size
(
rec
,
3
);
ssim_y
=
nan
;
ssim_yuv
=
nan
;
ssim_u
=
nan
;
ssim_v
=
nan
;
if
numchan
==
1
psnr_y
=
psnr
(
rec
(:,:,
1
),
ref
(:,:,
1
),
dr
);
psnr_u
=
nan
;
...
...
@@ -20,14 +26,12 @@ if numchan==1
psnr_yuv
=
nan
;
ssim_y
=
ssim
(
rec
(:,:,
1
),
ref
(:,:,
1
),
'DynamicRange'
,
dr
);
ssim_u
=
nan
;
ssim_v
=
nan
;
ssim_yuv
=
nan
;
if
compute_ssim
ssim_y
=
ssim
(
rec
(:,:,
1
),
ref
(:,:,
1
),
'DynamicRange'
,
dr
);
end
elseif
numchan
==
3
rec
=
utils
.
rgb2ycbcr
(
rec
,
n
,
varargin
{
2
:
end
});
ref
=
utils
.
rgb2ycbcr
(
ref
,
n
,
varargin
{
2
:
end
});
rec
=
utils
.
rgb2ycbcr
(
rec
,
n
,
varargin
{
:
});
ref
=
utils
.
rgb2ycbcr
(
ref
,
n
,
varargin
{
:
});
psnr_y
=
psnr
(
rec
(:,:,
1
),
ref
(:,:,
1
),
dr
);
psnr_u
=
psnr
(
rec
(:,:,
2
),
ref
(:,:,
2
),
dr
);
...
...
@@ -35,11 +39,13 @@ elseif numchan==3
psnr_yuv
=
(
6
*
psnr_y
+
psnr_u
+
psnr_v
)/
8
;
ssim_y
=
ssim
(
rec
(:,:,
1
),
ref
(:,:,
1
),
'DynamicRange'
,
dr
);
ssim_u
=
ssim
(
rec
(:,:,
2
),
ref
(:,:,
2
),
'DynamicRange'
,
dr
);
ssim_v
=
ssim
(
rec
(:,:,
3
),
ref
(:,:,
3
),
'DynamicRange'
,
dr
);
ssim_yuv
=
ssim
(
rec
,
ref
,
'DynamicRange'
,
dr
);
if
compute_ssim
ssim_y
=
ssim
(
rec
(:,:,
1
),
ref
(:,:,
1
),
'DynamicRange'
,
dr
);
ssim_u
=
ssim
(
rec
(:,:,
2
),
ref
(:,:,
2
),
'DynamicRange'
,
dr
);
ssim_v
=
ssim
(
rec
(:,:,
3
),
ref
(:,:,
3
),
'DynamicRange'
,
dr
);
ssim_yuv
=
ssim
(
rec
,
ref
,
'DynamicRange'
,
dr
);
end
else
error
(
'Unexpected number of channels'
);
end
...
...
This diff is collapsed.
Click to expand it.
Preview
0%
Loading
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Save comment
Cancel
Please
register
or
sign in
to comment