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b7476335
编写于
7月 18, 2016
作者:
A
Alexander Alekhin
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Merge pull request #6915 from arrybn:bugs_4515_6544_tests
上级
55d09451
2deda0e8
变更
1
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1 changed file
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modules/imgproc/test/test_fitellipse.cpp
modules/imgproc/test/test_fitellipse.cpp
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未找到文件。
modules/imgproc/test/test_fitellipse.cpp
0 → 100644
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b7476335
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2016, Itseez, Inc, all rights reserved.
#include "test_precomp.hpp"
#include <vector>
#include <cmath>
using
namespace
cv
;
using
namespace
std
;
// return true if point lies inside ellipse
static
bool
check_pt_in_ellipse
(
const
Point2f
&
pt
,
const
RotatedRect
&
el
)
{
Point2f
to_pt
=
pt
-
el
.
center
;
double
pt_angle
=
atan2
(
to_pt
.
y
,
to_pt
.
x
);
double
el_angle
=
el
.
angle
*
CV_PI
/
180
;
double
x_dist
=
0.5
*
el
.
size
.
width
*
cos
(
pt_angle
+
el_angle
);
double
y_dist
=
0.5
*
el
.
size
.
height
*
sin
(
pt_angle
+
el_angle
);
double
el_dist
=
sqrt
(
x_dist
*
x_dist
+
y_dist
*
y_dist
);
return
norm
(
to_pt
)
<
el_dist
;
}
// Return true if mass center of fitted points lies inside ellipse
static
bool
fit_and_check_ellipse
(
const
vector
<
Point2f
>&
pts
)
{
RotatedRect
ellipse
=
fitEllipse
(
pts
);
Point2f
mass_center
;
for
(
size_t
i
=
0
;
i
<
pts
.
size
();
i
++
)
{
mass_center
+=
pts
[
i
];
}
mass_center
/=
(
float
)
pts
.
size
();
return
check_pt_in_ellipse
(
mass_center
,
ellipse
);
}
TEST
(
Imgproc_FitEllipse_Issue_4515
,
DISABLED_accuracy
)
{
vector
<
Point2f
>
pts
;
pts
.
push_back
(
Point2f
(
327
,
317
));
pts
.
push_back
(
Point2f
(
328
,
316
));
pts
.
push_back
(
Point2f
(
329
,
315
));
pts
.
push_back
(
Point2f
(
330
,
314
));
pts
.
push_back
(
Point2f
(
331
,
314
));
pts
.
push_back
(
Point2f
(
332
,
314
));
pts
.
push_back
(
Point2f
(
333
,
315
));
pts
.
push_back
(
Point2f
(
333
,
316
));
pts
.
push_back
(
Point2f
(
333
,
317
));
pts
.
push_back
(
Point2f
(
333
,
318
));
pts
.
push_back
(
Point2f
(
333
,
319
));
pts
.
push_back
(
Point2f
(
333
,
320
));
EXPECT_TRUE
(
fit_and_check_ellipse
(
pts
));
}
TEST
(
Imgproc_FitEllipse_Issue_6544
,
DISABLED_accuracy
)
{
vector
<
Point2f
>
pts
;
pts
.
push_back
(
Point2f
(
924.784
f
,
764.160
f
));
pts
.
push_back
(
Point2f
(
928.388
f
,
615.903
f
));
pts
.
push_back
(
Point2f
(
847.4
f
,
888.014
f
));
pts
.
push_back
(
Point2f
(
929.406
f
,
741.675
f
));
pts
.
push_back
(
Point2f
(
904.564
f
,
825.605
f
));
pts
.
push_back
(
Point2f
(
926.742
f
,
760.746
f
));
pts
.
push_back
(
Point2f
(
863.479
f
,
873.406
f
));
pts
.
push_back
(
Point2f
(
910.987
f
,
808.863
f
));
pts
.
push_back
(
Point2f
(
929.145
f
,
744.976
f
));
pts
.
push_back
(
Point2f
(
917.474
f
,
791.823
f
));
EXPECT_TRUE
(
fit_and_check_ellipse
(
pts
));
}
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