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submodule
opencv
Commits
dd6cf15a
Commit
dd6cf15a
authored
Mar 14, 2014
by
Andrey Pavlenko
Committed by
OpenCV Buildbot
Mar 14, 2014
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Merge pull request #2481 from akarsakov:fix_hog_intel
parents
bcb938ef
4698d621
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Showing
1 changed file
with
5 additions
and
13 deletions
+5
-13
objdetect_hog.cl
modules/objdetect/src/opencl/objdetect_hog.cl
+5
-13
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modules/objdetect/src/opencl/objdetect_hog.cl
View file @
dd6cf15a
...
...
@@ -50,14 +50,6 @@
#
define
NTHREADS
256
#
define
CV_PI_F
3.1415926535897932384626433832795f
#
ifdef
INTEL_DEVICE
#
define
QANGLE_TYPE
int
#
define
QANGLE_TYPE2
int2
#
else
#
define
QANGLE_TYPE
uchar
#
define
QANGLE_TYPE2
uchar2
#
endif
//----------------------------------------------------------------------------
//
Histogram
computation
//
12
threads
for
a
cell,
12x4
threads
per
block
...
...
@@ -67,7 +59,7 @@ __kernel void compute_hists_lut_kernel(
const
int
cnbins,
const
int
cblock_hist_size,
const
int
img_block_width,
const
int
blocks_in_group,
const
int
blocks_total,
const
int
grad_quadstep,
const
int
qangle_step,
__global
const
float*
grad,
__global
const
QANGLE_TYPE
*
qangle,
__global
const
float*
grad,
__global
const
uchar
*
qangle,
__global
const
float*
gauss_w_lut,
__global
float*
block_hists,
__local
float*
smem
)
{
...
...
@@ -94,7 +86,7 @@ __kernel void compute_hists_lut_kernel(
__global
const
float*
grad_ptr
=
(
gid
<
blocks_total
)
?
grad
+
offset_y
*
grad_quadstep
+
(
offset_x
<<
1
)
:
grad
;
__global
const
QANGLE_TYPE
*
qangle_ptr
=
(
gid
<
blocks_total
)
?
__global
const
uchar
*
qangle_ptr
=
(
gid
<
blocks_total
)
?
qangle
+
offset_y
*
qangle_step
+
(
offset_x
<<
1
)
:
qangle
;
__local
float*
hist
=
hists
+
12
*
(
cell_y
*
CELLS_PER_BLOCK_Y
+
cell_x
)
+
...
...
@@ -109,7 +101,7 @@ __kernel void compute_hists_lut_kernel(
for
(
int
dist_y
=
dist_y_begin
; dist_y < dist_y_begin + 12; ++dist_y)
{
float2
vote
=
(
float2
)
(
grad_ptr[0],
grad_ptr[1]
)
;
QANGLE_TYPE2
bin
=
(
QANGLE_TYPE
2
)
(
qangle_ptr[0],
qangle_ptr[1]
)
;
uchar2
bin
=
(
uchar
2
)
(
qangle_ptr[0],
qangle_ptr[1]
)
;
grad_ptr
+=
grad_quadstep
;
qangle_ptr
+=
qangle_step
;
...
...
@@ -566,7 +558,7 @@ __kernel void extract_descrs_by_cols_kernel(
__kernel
void
compute_gradients_8UC4_kernel
(
const
int
height,
const
int
width,
const
int
img_step,
const
int
grad_quadstep,
const
int
qangle_step,
const
__global
uchar4
*
img,
__global
float
*
grad,
__global
QANGLE_TYPE
*
qangle,
const
__global
uchar4
*
img,
__global
float
*
grad,
__global
uchar
*
qangle,
const
float
angle_scale,
const
char
correct_gamma,
const
int
cnbins
)
{
const
int
x
=
get_global_id
(
0
)
;
...
...
@@ -668,7 +660,7 @@ __kernel void compute_gradients_8UC4_kernel(
__kernel
void
compute_gradients_8UC1_kernel
(
const
int
height,
const
int
width,
const
int
img_step,
const
int
grad_quadstep,
const
int
qangle_step,
__global
const
uchar
*
img,
__global
float
*
grad,
__global
QANGLE_TYPE
*
qangle,
__global
const
uchar
*
img,
__global
float
*
grad,
__global
uchar
*
qangle,
const
float
angle_scale,
const
char
correct_gamma,
const
int
cnbins
)
{
const
int
x
=
get_global_id
(
0
)
;
...
...
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