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体验新版 GitCode,发现更多精彩内容 >>
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24f82c75
编写于
4月 05, 2012
作者:
A
Andrey Kamaev
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Improved accuracy of SSE-optimized BayerXX2GRAY conversion; added regression test
上级
e04cd1b0
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
33 addition
and
11 deletion
+33
-11
modules/imgproc/src/color.cpp
modules/imgproc/src/color.cpp
+9
-9
modules/imgproc/test/test_color.cpp
modules/imgproc/test/test_color.cpp
+24
-2
未找到文件。
modules/imgproc/src/color.cpp
浏览文件 @
24f82c75
...
...
@@ -1767,26 +1767,26 @@ public:
__m128i
r1
=
_mm_loadu_si128
((
const
__m128i
*
)(
bayer
+
bayer_step
));
__m128i
r2
=
_mm_loadu_si128
((
const
__m128i
*
)(
bayer
+
bayer_step
*
2
));
__m128i
b1
=
_mm_add_epi16
(
_mm_srli_epi16
(
_mm_slli_epi16
(
r0
,
8
),
8
),
_mm_srli_epi16
(
_mm_slli_epi16
(
r2
,
8
),
8
));
__m128i
b1
=
_mm_add_epi16
(
_mm_srli_epi16
(
_mm_slli_epi16
(
r0
,
8
),
7
),
_mm_srli_epi16
(
_mm_slli_epi16
(
r2
,
8
),
7
));
__m128i
b0
=
_mm_add_epi16
(
b1
,
_mm_srli_si128
(
b1
,
2
));
b1
=
_mm_slli_epi16
(
_mm_srli_si128
(
b1
,
2
),
1
);
__m128i
g0
=
_mm_add_epi16
(
_mm_srli_epi16
(
r0
,
8
),
_mm_srli_epi16
(
r2
,
8
));
__m128i
g1
=
_mm_srli_epi16
(
_mm_slli_epi16
(
r1
,
8
),
8
);
__m128i
g0
=
_mm_add_epi16
(
_mm_srli_epi16
(
r0
,
7
),
_mm_srli_epi16
(
r2
,
7
));
__m128i
g1
=
_mm_srli_epi16
(
_mm_slli_epi16
(
r1
,
8
),
7
);
g0
=
_mm_add_epi16
(
g0
,
_mm_add_epi16
(
g1
,
_mm_srli_si128
(
g1
,
2
)));
g1
=
_mm_slli_epi16
(
_mm_srli_si128
(
g1
,
2
),
2
);
r0
=
_mm_srli_epi16
(
r1
,
8
);
r1
=
_mm_slli_epi16
(
_mm_add_epi16
(
r0
,
_mm_srli_si128
(
r0
,
2
)),
1
);
r0
=
_mm_slli_epi16
(
r0
,
2
);
r1
=
_mm_slli_epi16
(
_mm_add_epi16
(
r0
,
_mm_srli_si128
(
r0
,
2
)),
2
);
r0
=
_mm_slli_epi16
(
r0
,
3
);
g0
=
_mm_add_epi16
(
_mm_mulhi_epi16
(
b0
,
_b2y
),
_mm_mulhi_epi16
(
g0
,
_g2y
));
g1
=
_mm_add_epi16
(
_mm_mulhi_epi16
(
b1
,
_b2y
),
_mm_mulhi_epi16
(
g1
,
_g2y
));
g0
=
_mm_add_epi16
(
g0
,
_mm_mulhi_epi16
(
r0
,
_r2y
));
g1
=
_mm_add_epi16
(
g1
,
_mm_mulhi_epi16
(
r1
,
_r2y
));
g0
=
_mm_srli_epi16
(
g0
,
1
);
g1
=
_mm_srli_epi16
(
g1
,
1
);
g0
=
_mm_srli_epi16
(
g0
,
2
);
g1
=
_mm_srli_epi16
(
g1
,
2
);
g0
=
_mm_packus_epi16
(
g0
,
g0
);
g1
=
_mm_packus_epi16
(
g1
,
g1
);
g0
=
_mm_unpacklo_epi8
(
g0
,
g1
);
...
...
modules/imgproc/test/test_color.cpp
浏览文件 @
24f82c75
...
...
@@ -1672,11 +1672,33 @@ TEST(Imgproc_ColorRGB, accuracy) { CV_ColorRGBTest test; test.safe_run(); }
TEST
(
Imgproc_ColorBayer
,
accuracy
)
{
CV_ColorBayerTest
test
;
test
.
safe_run
();
}
TEST
(
Imgproc_ColorBayer
VNG
,
accuracy
)
TEST
(
Imgproc_ColorBayer
,
regression
)
{
cvtest
::
TS
&
ts
=
*
cvtest
::
TS
::
ptr
();
Mat
given
=
imread
(
string
(
ts
.
get_data_path
())
+
"/cvtcolor/bayerVNG_input.png"
,
CV_LOAD_IMAGE_GRAYSCALE
);
Mat
given
=
imread
(
string
(
ts
.
get_data_path
())
+
"/cvtcolor/bayer_input.png"
,
CV_LOAD_IMAGE_GRAYSCALE
);
Mat
gold
=
imread
(
string
(
ts
.
get_data_path
())
+
"/cvtcolor/bayer_gold.png"
,
CV_LOAD_IMAGE_UNCHANGED
);
Mat
result
;
cvtColor
(
given
,
result
,
CV_BayerBG2GRAY
);
EXPECT_EQ
(
gold
.
type
(),
result
.
type
());
EXPECT_EQ
(
gold
.
cols
,
result
.
cols
);
EXPECT_EQ
(
gold
.
rows
,
result
.
rows
);
Mat
diff
;
absdiff
(
gold
,
result
,
diff
);
//imshow("diff", diff);
//waitKey();
EXPECT_EQ
(
0
,
countNonZero
(
diff
.
reshape
(
1
)
>
1
));
}
TEST
(
Imgproc_ColorBayerVNG
,
regression
)
{
cvtest
::
TS
&
ts
=
*
cvtest
::
TS
::
ptr
();
Mat
given
=
imread
(
string
(
ts
.
get_data_path
())
+
"/cvtcolor/bayer_input.png"
,
CV_LOAD_IMAGE_GRAYSCALE
);
Mat
gold
=
imread
(
string
(
ts
.
get_data_path
())
+
"/cvtcolor/bayerVNG_gold.png"
,
CV_LOAD_IMAGE_UNCHANGED
);
Mat
result
;
...
...
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