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submodule
opencv_contrib
Commits
1bcb634a
Commit
1bcb634a
authored
May 11, 2018
by
Vitaly Tuzov
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Fixed coarse scale evaluation for DIS optical flow estimator
parent
c5404095
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1 changed file
with
4 additions
and
2 deletions
+4
-2
dis_flow.cpp
modules/optflow/src/dis_flow.cpp
+4
-2
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modules/optflow/src/dis_flow.cpp
View file @
1bcb634a
...
...
@@ -1316,7 +1316,8 @@ bool DISOpticalFlowImpl::ocl_calc(InputArray I0, InputArray I1, InputOutputArray
else
flow
.
create
(
I1Mat
.
size
(),
CV_32FC2
);
UMat
&
u_flowMat
=
flow
.
getUMatRef
();
coarsest_scale
=
(
int
)(
log
((
2
*
I0Mat
.
cols
)
/
(
4.0
*
patch_size
))
/
log
(
2.0
)
+
0.5
)
-
1
;
coarsest_scale
=
min
((
int
)(
log
(
max
(
I0Mat
.
cols
,
I0Mat
.
rows
)
/
(
4.0
*
patch_size
))
/
log
(
2.0
)
+
0.5
),
/* Original code serach for maximal movement of width/4 */
(
int
)(
log
(
min
(
I0Mat
.
cols
,
I0Mat
.
rows
)
/
patch_size
)
/
log
(
2.0
)));
/* Deepest pyramid level greater or equal than patch*/
ocl_prepareBuffers
(
I0Mat
,
I1Mat
,
u_flowMat
,
use_input_flow
);
u_Ux
[
coarsest_scale
].
setTo
(
0.0
f
);
...
...
@@ -1382,7 +1383,8 @@ void DISOpticalFlowImpl::calc(InputArray I0, InputArray I1, InputOutputArray flo
else
flow
.
create
(
I1Mat
.
size
(),
CV_32FC2
);
Mat
flowMat
=
flow
.
getMat
();
coarsest_scale
=
(
int
)(
log
((
2
*
I0Mat
.
cols
)
/
(
4.0
*
patch_size
))
/
log
(
2.0
)
+
0.5
)
-
1
;
coarsest_scale
=
min
((
int
)(
log
(
max
(
I0Mat
.
cols
,
I0Mat
.
rows
)
/
(
4.0
*
patch_size
))
/
log
(
2.0
)
+
0.5
),
/* Original code serach for maximal movement of width/4 */
(
int
)(
log
(
min
(
I0Mat
.
cols
,
I0Mat
.
rows
)
/
patch_size
)
/
log
(
2.0
)));
/* Deepest pyramid level greater or equal than patch*/
int
num_stripes
=
getNumThreads
();
prepareBuffers
(
I0Mat
,
I1Mat
,
flowMat
,
use_input_flow
);
...
...
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