generic-library/opencv
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added mask support to cv::norm, cv::meanStdDev

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This commit is contained in:
Ilya Lavrenov
2014-01-06 00:12:13 +04:00
parent 3a4d4080f4
commit 6ee0b6eb56
4 changed files with 168 additions and 22 deletions
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15
modules/core/src/opencl/reduce.cl
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@@ -51,7 +51,12 @@
#endif
#define noconvert
#ifdef HAVE_MASK
#define EXTRA_PARAMS , __global const uchar * mask, int mask_step, int mask_offset
#else
#define EXTRA_PARAMS
#endif
#if defined OP_SUM || defined OP_SUM_ABS || defined OP_SUM_SQR
#if OP_SUM
@@ -65,11 +70,19 @@
__local dstT localmem[WGS2_ALIGNED]
#define DEFINE_ACCUMULATOR \
dstT accumulator = (dstT)(0)
#ifdef HAVE_MASK
#define REDUCE_GLOBAL \
dstT temp = convertToDT(src[0]); \
int mask_index = mad24(id / cols, mask_step, mask_offset + (id % cols)); \
if (mask[mask_index]) \
FUNC(accumulator, temp)
#else
#define REDUCE_GLOBAL \
dstT temp = convertToDT(src[0]); \
FUNC(accumulator, temp)
#endif
#define SET_LOCAL_1 \
localmem[lid] = accumulator
localmem[lid] = accumulator
#define REDUCE_LOCAL_1 \
localmem[lid - WGS2_ALIGNED] += accumulator
#define REDUCE_LOCAL_2 \

61
modules/core/src/stat.cpp
View File

@@ -466,7 +466,7 @@ template <typename T> Scalar ocl_part_sum(Mat m)
enum { OCL_OP_SUM = 0, OCL_OP_SUM_ABS = 1, OCL_OP_SUM_SQR = 2 };
static bool ocl_sum( InputArray _src, Scalar & res, int sum_op )
static bool ocl_sum( InputArray _src, Scalar & res, int sum_op, InputArray _mask = noArray() )
{
CV_Assert(sum_op == OCL_OP_SUM || sum_op == OCL_OP_SUM_ABS || sum_op == OCL_OP_SUM_SQR);
@@ -481,6 +481,8 @@ static bool ocl_sum( InputArray _src, Scalar & res, int sum_op )
int ddepth = std::max(sum_op == OCL_OP_SUM_SQR ? CV_32F : CV_32S, depth),
dtype = CV_MAKE_TYPE(ddepth, cn);
bool haveMask = _mask.kind() != _InputArray::NONE;
CV_Assert(!haveMask || _mask.type() == CV_8UC1);
int wgs2_aligned = 1;
while (wgs2_aligned < (int)wgs)
@@ -490,16 +492,24 @@ static bool ocl_sum( InputArray _src, Scalar & res, int sum_op )
static const char * const opMap[3] = { "OP_SUM", "OP_SUM_ABS", "OP_SUM_SQR" };
char cvt[40];
ocl::Kernel k("reduce", ocl::core::reduce_oclsrc,
format("-D srcT=%s -D dstT=%s -D convertToDT=%s -D %s -D WGS=%d -D WGS2_ALIGNED=%d%s",
format("-D srcT=%s -D dstT=%s -D convertToDT=%s -D %s -D WGS=%d -D WGS2_ALIGNED=%d%s%s",
ocl::typeToStr(type), ocl::typeToStr(dtype), ocl::convertTypeStr(depth, ddepth, cn, cvt),
opMap[sum_op], (int)wgs, wgs2_aligned,
doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
doubleSupport ? " -D DOUBLE_SUPPORT" : "",
haveMask ? " -D HAVE_MASK" : ""));
if (k.empty())
return false;
UMat src = _src.getUMat(), db(1, dbsize, dtype);
k.args(ocl::KernelArg::ReadOnlyNoSize(src), src.cols, (int)src.total(),
dbsize, ocl::KernelArg::PtrWriteOnly(db));
UMat src = _src.getUMat(), db(1, dbsize, dtype), mask = _mask.getUMat();
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src),
dbarg = ocl::KernelArg::PtrWriteOnly(db),
maskarg = ocl::KernelArg::ReadOnlyNoSize(mask);
if (haveMask)
k.args(srcarg, src.cols, (int)src.total(), dbsize, dbarg, maskarg);
else
k.args(srcarg, src.cols, (int)src.total(), dbsize, dbarg);
size_t globalsize = dbsize * wgs;
if (k.run(1, &globalsize, &wgs, false))
@@ -807,15 +817,17 @@ cv::Scalar cv::mean( InputArray _src, InputArray _mask )
namespace cv {
static bool ocl_meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv )
static bool ocl_meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv, InputArray _mask )
{
bool haveMask = _mask.kind() != _InputArray::NONE;
Scalar mean, stddev;
if (!ocl_sum(_src, mean, OCL_OP_SUM))
if (!ocl_sum(_src, mean, OCL_OP_SUM, _mask))
return false;
if (!ocl_sum(_src, stddev, OCL_OP_SUM_SQR))
if (!ocl_sum(_src, stddev, OCL_OP_SUM_SQR, _mask))
return false;
double total = 1.0 / _src.total();
double total = 1.0 / (haveMask ? countNonZero(_mask) : _src.total());
int k, j, cn = _src.channels();
for (int i = 0; i < cn; ++i)
{
@@ -850,7 +862,7 @@ static bool ocl_meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv
void cv::meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv, InputArray _mask )
{
if (ocl::useOpenCL() && _src.isUMat() && _mask.empty() && ocl_meanStdDev(_src, _mean, _sdv))
if (ocl::useOpenCL() && _src.isUMat() && ocl_meanStdDev(_src, _mean, _sdv, _mask))
return;
Mat src = _src.getMat(), mask = _mask.getMat();
@@ -1883,13 +1895,14 @@ static NormDiffFunc getNormDiffFunc(int normType, int depth)
namespace cv {
static bool ocl_norm( InputArray _src, int normType, double & result )
static bool ocl_norm( InputArray _src, int normType, InputArray _mask, double & result )
{
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0,
haveMask = _mask.kind() != _InputArray::NONE;
if ( !(normType == NORM_INF || normType == NORM_L1 || normType == NORM_L2) ||
(!doubleSupport && depth == CV_64F))
(!doubleSupport && depth == CV_64F) || (normType == NORM_INF && haveMask && cn != 1))
return false;
UMat src = _src.getUMat();
@@ -1921,17 +1934,25 @@ static bool ocl_norm( InputArray _src, int normType, double & result )
else
abssrc = src;
cv::minMaxIdx(abssrc.reshape(1), NULL, &result);
cv::minMaxIdx(haveMask ? abssrc : abssrc.reshape(1), NULL, &result, NULL, NULL, _mask);
}
else if (normType == NORM_L1 || normType == NORM_L2)
{
Scalar s;
Scalar sc;
bool unstype = depth == CV_8U || depth == CV_16U;
if ( !ocl_sum(src.reshape(1), s, normType == NORM_L2 ?
OCL_OP_SUM_SQR : (unstype ? OCL_OP_SUM : OCL_OP_SUM_ABS)) )
if ( !ocl_sum(haveMask ? src : src.reshape(1), sc, normType == NORM_L2 ?
OCL_OP_SUM_SQR : (unstype ? OCL_OP_SUM : OCL_OP_SUM_ABS), _mask) )
return false;
result = normType == NORM_L1 ? s[0] : std::sqrt(s[0]);
if (!haveMask)
cn = 1;
double s = 0.0;
for (int i = 0; i < cn; ++i)
s += sc[i];
result = normType == NORM_L1 ? s : std::sqrt(s);
}
return true;
@@ -1947,7 +1968,7 @@ double cv::norm( InputArray _src, int normType, InputArray _mask )
((normType == NORM_HAMMING || normType == NORM_HAMMING2) && _src.type() == CV_8U) );
double _result = 0;
if (ocl::useOpenCL() && _mask.empty() && _src.isUMat() && _src.dims() <= 2 && ocl_norm(_src, normType, _result))
if (ocl::useOpenCL() && _src.isUMat() && _src.dims() <= 2 && ocl_norm(_src, normType, _mask, _result))
return _result;
Mat src = _src.getMat(), mask = _mask.getMat();