Skip to content
Projects
Groups
Snippets
Help
Loading...
Sign in / Register
Toggle navigation
O
opencv
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Packages
Packages
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
submodule
opencv
Commits
b436f4b9
Commit
b436f4b9
authored
Jul 19, 2016
by
Tomoaki Teshima
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
accelerate bilateralFilter using NEON
* clean up some lines
parent
22919c39
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
123 additions
and
12 deletions
+123
-12
smooth.cpp
modules/imgproc/src/smooth.cpp
+123
-12
No files found.
modules/imgproc/src/smooth.cpp
View file @
b436f4b9
...
@@ -3017,16 +3017,16 @@ public:
...
@@ -3017,16 +3017,16 @@ public:
_g
=
_mm_mul_ps
(
_g
,
_w
);
_g
=
_mm_mul_ps
(
_g
,
_w
);
_r
=
_mm_mul_ps
(
_r
,
_w
);
_r
=
_mm_mul_ps
(
_r
,
_w
);
_w
=
_mm_hadd_ps
(
_w
,
_b
);
_w
=
_mm_hadd_ps
(
_w
,
_b
);
_g
=
_mm_hadd_ps
(
_g
,
_r
);
_g
=
_mm_hadd_ps
(
_g
,
_r
);
_w
=
_mm_hadd_ps
(
_w
,
_g
);
_w
=
_mm_hadd_ps
(
_w
,
_g
);
_mm_store_ps
(
bufSum
,
_w
);
_mm_store_ps
(
bufSum
,
_w
);
wsum
+=
bufSum
[
0
];
wsum
+=
bufSum
[
0
];
sum_b
+=
bufSum
[
1
];
sum_b
+=
bufSum
[
1
];
sum_g
+=
bufSum
[
2
];
sum_g
+=
bufSum
[
2
];
sum_r
+=
bufSum
[
3
];
sum_r
+=
bufSum
[
3
];
}
}
}
}
#endif
#endif
...
@@ -3293,11 +3293,15 @@ public:
...
@@ -3293,11 +3293,15 @@ public:
{
{
int
i
,
j
,
k
;
int
i
,
j
,
k
;
Size
size
=
dest
->
size
();
Size
size
=
dest
->
size
();
#if CV_SSE3
#if CV_SSE3
|| CV_NEON
int
CV_DECL_ALIGNED
(
16
)
idxBuf
[
4
];
int
CV_DECL_ALIGNED
(
16
)
idxBuf
[
4
];
float
CV_DECL_ALIGNED
(
16
)
bufSum32
[
4
];
float
CV_DECL_ALIGNED
(
16
)
bufSum32
[
4
];
static
const
unsigned
int
CV_DECL_ALIGNED
(
16
)
bufSignMask
[]
=
{
0x80000000
,
0x80000000
,
0x80000000
,
0x80000000
};
static
const
unsigned
int
CV_DECL_ALIGNED
(
16
)
bufSignMask
[]
=
{
0x80000000
,
0x80000000
,
0x80000000
,
0x80000000
};
#endif
#if CV_SSE3
bool
haveSSE3
=
checkHardwareSupport
(
CV_CPU_SSE3
);
bool
haveSSE3
=
checkHardwareSupport
(
CV_CPU_SSE3
);
#elif CV_NEON
bool
haveNEON
=
checkHardwareSupport
(
CV_CPU_NEON
);
#endif
#endif
for
(
i
=
range
.
start
;
i
<
range
.
end
;
i
++
)
for
(
i
=
range
.
start
;
i
<
range
.
end
;
i
++
)
...
@@ -3339,15 +3343,56 @@ public:
...
@@ -3339,15 +3343,56 @@ public:
__m128
_w
=
_mm_mul_ps
(
_sw
,
_mm_add_ps
(
_explut
,
_mm_mul_ps
(
_alpha
,
_mm_sub_ps
(
_explut1
,
_explut
))));
__m128
_w
=
_mm_mul_ps
(
_sw
,
_mm_add_ps
(
_explut
,
_mm_mul_ps
(
_alpha
,
_mm_sub_ps
(
_explut1
,
_explut
))));
_val
=
_mm_mul_ps
(
_w
,
_val
);
_val
=
_mm_mul_ps
(
_w
,
_val
);
_sw
=
_mm_hadd_ps
(
_w
,
_val
);
_sw
=
_mm_hadd_ps
(
_w
,
_val
);
_sw
=
_mm_hadd_ps
(
_sw
,
_sw
);
_sw
=
_mm_hadd_ps
(
_sw
,
_sw
);
psum
=
_mm_add_ps
(
_sw
,
psum
);
psum
=
_mm_add_ps
(
_sw
,
psum
);
}
}
_mm_storel_pi
((
__m64
*
)
bufSum32
,
psum
);
_mm_storel_pi
((
__m64
*
)
bufSum32
,
psum
);
sum
=
bufSum32
[
1
];
sum
=
bufSum32
[
1
];
wsum
=
bufSum32
[
0
];
wsum
=
bufSum32
[
0
];
}
}
#elif CV_NEON
if
(
haveNEON
)
{
float32x2_t
psum
=
vdup_n_f32
(
0.0
f
);
const
volatile
float32x4_t
_val0
=
vdupq_n_f32
(
sptr
[
j
]);
const
float32x4_t
_scale_index
=
vdupq_n_f32
(
scale_index
);
const
uint32x4_t
_signMask
=
vld1q_u32
(
bufSignMask
);
for
(
;
k
<=
maxk
-
4
;
k
+=
4
)
{
float32x4_t
_sw
=
vld1q_f32
(
space_weight
+
k
);
float
CV_DECL_ALIGNED
(
16
)
_data
[]
=
{
sptr
[
j
+
space_ofs
[
k
]],
sptr
[
j
+
space_ofs
[
k
+
1
]],
sptr
[
j
+
space_ofs
[
k
+
2
]],
sptr
[
j
+
space_ofs
[
k
+
3
]],};
float32x4_t
_val
=
vld1q_f32
(
_data
);
float32x4_t
_alpha
=
vsubq_f32
(
_val
,
_val0
);
_alpha
=
vreinterpretq_f32_u32
(
vbicq_u32
(
vreinterpretq_u32_f32
(
_alpha
),
_signMask
));
_alpha
=
vmulq_f32
(
_alpha
,
_scale_index
);
int32x4_t
_idx
=
vcvtq_s32_f32
(
_alpha
);
vst1q_s32
(
idxBuf
,
_idx
);
_alpha
=
vsubq_f32
(
_alpha
,
vcvtq_f32_s32
(
_idx
));
bufSum32
[
0
]
=
expLUT
[
idxBuf
[
0
]];
bufSum32
[
1
]
=
expLUT
[
idxBuf
[
1
]];
bufSum32
[
2
]
=
expLUT
[
idxBuf
[
2
]];
bufSum32
[
3
]
=
expLUT
[
idxBuf
[
3
]];
float32x4_t
_explut
=
vld1q_f32
(
bufSum32
);
bufSum32
[
0
]
=
expLUT
[
idxBuf
[
0
]
+
1
];
bufSum32
[
1
]
=
expLUT
[
idxBuf
[
1
]
+
1
];
bufSum32
[
2
]
=
expLUT
[
idxBuf
[
2
]
+
1
];
bufSum32
[
3
]
=
expLUT
[
idxBuf
[
3
]
+
1
];
float32x4_t
_explut1
=
vld1q_f32
(
bufSum32
);
float32x4_t
_w
=
vmulq_f32
(
_sw
,
vaddq_f32
(
_explut
,
vmulq_f32
(
_alpha
,
vsubq_f32
(
_explut1
,
_explut
))));
_val
=
vmulq_f32
(
_w
,
_val
);
float32x2_t
_wval
=
vpadd_f32
(
vpadd_f32
(
vget_low_f32
(
_w
),
vget_high_f32
(
_w
)),
vpadd_f32
(
vget_low_f32
(
_val
),
vget_high_f32
(
_val
)));
psum
=
vadd_f32
(
_wval
,
psum
);
}
sum
=
vget_lane_f32
(
psum
,
1
);
wsum
=
vget_lane_f32
(
psum
,
0
);
}
#endif
#endif
for
(
;
k
<
maxk
;
k
++
)
for
(
;
k
<
maxk
;
k
++
)
...
@@ -3427,6 +3472,72 @@ public:
...
@@ -3427,6 +3472,72 @@ public:
sum_g
=
bufSum32
[
2
];
sum_g
=
bufSum32
[
2
];
sum_r
=
bufSum32
[
3
];
sum_r
=
bufSum32
[
3
];
}
}
#elif CV_NEON
if
(
haveNEON
)
{
float32x4_t
sum
=
vdupq_n_f32
(
0.0
f
);
const
float32x4_t
_b0
=
vdupq_n_f32
(
b0
);
const
float32x4_t
_g0
=
vdupq_n_f32
(
g0
);
const
float32x4_t
_r0
=
vdupq_n_f32
(
r0
);
const
float32x4_t
_scale_index
=
vdupq_n_f32
(
scale_index
);
const
uint32x4_t
_signMask
=
vld1q_u32
(
bufSignMask
);
for
(
;
k
<=
maxk
-
4
;
k
+=
4
)
{
float32x4_t
_sw
=
vld1q_f32
(
space_weight
+
k
);
const
float
*
const
sptr_k0
=
sptr
+
j
+
space_ofs
[
k
];
const
float
*
const
sptr_k1
=
sptr
+
j
+
space_ofs
[
k
+
1
];
const
float
*
const
sptr_k2
=
sptr
+
j
+
space_ofs
[
k
+
2
];
const
float
*
const
sptr_k3
=
sptr
+
j
+
space_ofs
[
k
+
3
];
float32x4_t
_v0
=
vld1q_f32
(
sptr_k0
);
float32x4_t
_v1
=
vld1q_f32
(
sptr_k1
);
float32x4_t
_v2
=
vld1q_f32
(
sptr_k2
);
float32x4_t
_v3
=
vld1q_f32
(
sptr_k3
);
float32x4x2_t
v01
=
vtrnq_f32
(
_v0
,
_v1
);
float32x4x2_t
v23
=
vtrnq_f32
(
_v2
,
_v3
);
float32x4_t
_b
=
vcombine_f32
(
vget_low_f32
(
v01
.
val
[
0
]),
vget_low_f32
(
v23
.
val
[
0
]));
float32x4_t
_g
=
vcombine_f32
(
vget_low_f32
(
v01
.
val
[
1
]),
vget_low_f32
(
v23
.
val
[
1
]));
float32x4_t
_r
=
vcombine_f32
(
vget_high_f32
(
v01
.
val
[
0
]),
vget_high_f32
(
v23
.
val
[
0
]));
float32x4_t
_bt
=
vreinterpretq_f32_u32
(
vbicq_u32
(
vreinterpretq_u32_f32
(
vsubq_f32
(
_b
,
_b0
)),
_signMask
));
float32x4_t
_gt
=
vreinterpretq_f32_u32
(
vbicq_u32
(
vreinterpretq_u32_f32
(
vsubq_f32
(
_g
,
_g0
)),
_signMask
));
float32x4_t
_rt
=
vreinterpretq_f32_u32
(
vbicq_u32
(
vreinterpretq_u32_f32
(
vsubq_f32
(
_r
,
_r0
)),
_signMask
));
float32x4_t
_alpha
=
vmulq_f32
(
_scale_index
,
vaddq_f32
(
_bt
,
vaddq_f32
(
_gt
,
_rt
)));
int32x4_t
_idx
=
vcvtq_s32_f32
(
_alpha
);
vst1q_s32
((
int
*
)
idxBuf
,
_idx
);
bufSum32
[
0
]
=
expLUT
[
idxBuf
[
0
]];
bufSum32
[
1
]
=
expLUT
[
idxBuf
[
1
]];
bufSum32
[
2
]
=
expLUT
[
idxBuf
[
2
]];
bufSum32
[
3
]
=
expLUT
[
idxBuf
[
3
]];
float32x4_t
_explut
=
vld1q_f32
(
bufSum32
);
bufSum32
[
0
]
=
expLUT
[
idxBuf
[
0
]
+
1
];
bufSum32
[
1
]
=
expLUT
[
idxBuf
[
1
]
+
1
];
bufSum32
[
2
]
=
expLUT
[
idxBuf
[
2
]
+
1
];
bufSum32
[
3
]
=
expLUT
[
idxBuf
[
3
]
+
1
];
float32x4_t
_explut1
=
vld1q_f32
(
bufSum32
);
float32x4_t
_w
=
vmulq_f32
(
_sw
,
vaddq_f32
(
_explut
,
vmulq_f32
(
_alpha
,
vsubq_f32
(
_explut1
,
_explut
))));
_b
=
vmulq_f32
(
_b
,
_w
);
_g
=
vmulq_f32
(
_g
,
_w
);
_r
=
vmulq_f32
(
_r
,
_w
);
float32x2_t
_wb
=
vpadd_f32
(
vpadd_f32
(
vget_low_f32
(
_w
),
vget_high_f32
(
_w
)),
vpadd_f32
(
vget_low_f32
(
_b
),
vget_high_f32
(
_b
)));
float32x2_t
_gr
=
vpadd_f32
(
vpadd_f32
(
vget_low_f32
(
_g
),
vget_high_f32
(
_g
)),
vpadd_f32
(
vget_low_f32
(
_r
),
vget_high_f32
(
_r
)));
_w
=
vcombine_f32
(
_wb
,
_gr
);
sum
=
vaddq_f32
(
sum
,
_w
);
}
vst1q_f32
(
bufSum32
,
sum
);
wsum
=
bufSum32
[
0
];
sum_b
=
bufSum32
[
1
];
sum_g
=
bufSum32
[
2
];
sum_r
=
bufSum32
[
3
];
}
#endif
#endif
for
(;
k
<
maxk
;
k
++
)
for
(;
k
<
maxk
;
k
++
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment