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dlib
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Added more filtering unit tests

This commit is contained in:
Davis King 2013-11-05 19:53:55 -05:00
parent 3fa470e809
commit de23eed3c3
1 changed files with 44 additions and 0 deletions
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44
dlib/test/image.cpp
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@ -1091,6 +1091,48 @@ namespace
}
}
void test_small_filter()
{
array2d<int> img(3,3), out;
assign_all_pixels(img, 1);
matrix<int> filt(2,2);
filt = 1;
spatially_filter_image(img, out, filt);
DLIB_TEST(out[0][0] == 4);
DLIB_TEST(out[0][1] == 4);
DLIB_TEST(out[0][2] == 0);
DLIB_TEST(out[1][0] == 4);
DLIB_TEST(out[1][1] == 4);
DLIB_TEST(out[1][2] == 0);
DLIB_TEST(out[2][0] == 0);
DLIB_TEST(out[2][1] == 0);
DLIB_TEST(out[2][2] == 0);
matrix<int> rfilt(2,1), cfilt(2,1);
rfilt = 1;
cfilt = 1;
assign_all_pixels(out, 9);
spatially_filter_image_separable(img, out, rfilt, cfilt);
DLIB_TEST(out[0][0] == 4);
DLIB_TEST(out[0][1] == 4);
DLIB_TEST(out[0][2] == 0);
DLIB_TEST(out[1][0] == 4);
DLIB_TEST(out[1][1] == 4);
DLIB_TEST(out[1][2] == 0);
DLIB_TEST(out[2][0] == 0);
DLIB_TEST(out[2][1] == 0);
DLIB_TEST(out[2][2] == 0);
}
void test_zero_border_pixels(
)
{
@ -1586,6 +1628,7 @@ namespace
void perform_test (
)
{
test_small_filter();
image_test();
test_integral_image<long, unsigned char>();
test_integral_image<double, int>();
@ -1634,6 +1677,7 @@ namespace
test_filtering2(7,7,rnd);
test_filtering2(7,5,rnd);
}
}
} a;