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mirror of https://github.com/opencv/opencv.git synced 2026-07-31 08:13:04 +04:00

refactored gpu::matchTemplate (converted it into Algorithm)

This commit is contained in:
Vladislav Vinogradov
2013-04-30 17:27:06 +04:00
parent 1fcc8074bd
commit de56163f97
5 changed files with 392 additions and 156 deletions
+350 -126
View File
@@ -47,7 +47,7 @@ using namespace cv::gpu;
#if !defined (HAVE_CUDA) || !defined (HAVE_OPENCV_GPUARITHM) || defined (CUDA_DISABLER)
void cv::gpu::matchTemplate(const GpuMat&, const GpuMat&, GpuMat&, int, Stream&) { throw_no_cuda(); }
Ptr<gpu::TemplateMatching> cv::gpu::createTemplateMatching(int, int, Size) { throw_no_cuda(); return Ptr<gpu::TemplateMatching>(); }
#else
@@ -137,11 +137,8 @@ namespace cv { namespace gpu { namespace cudev
}
}}}
using namespace ::cv::gpu::cudev::match_template;
namespace
{
// Evaluates optimal template's area threshold. If
// template's area is less than the threshold, we use naive match
// template version, otherwise FFT-based (if available)
@@ -149,135 +146,317 @@ namespace
{
switch (method)
{
case cv::TM_CCORR:
case TM_CCORR:
if (depth == CV_32F) return 250;
if (depth == CV_8U) return 300;
break;
case cv::TM_SQDIFF:
case TM_SQDIFF:
if (depth == CV_8U) return 300;
break;
}
CV_Error(cv::Error::StsBadArg, "getTemplateThreshold: unsupported match template mode");
CV_Error(Error::StsBadArg, "unsupported match template mode");
return 0;
}
///////////////////////////////////////////////////////////////
// CCORR_32F
void matchTemplate_CCORR_32F(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_CCORR_32F : public TemplateMatching
{
result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32F);
if (templ.size().area() < getTemplateThreshold(cv::TM_CCORR, CV_32F))
public:
explicit Match_CCORR_32F(Size user_block_size);
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
private:
Ptr<gpu::Convolution> conv_;
GpuMat result_;
};
Match_CCORR_32F::Match_CCORR_32F(Size user_block_size)
{
conv_ = gpu::createConvolution(user_block_size);
}
void Match_CCORR_32F::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& _stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_32F );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
cudaStream_t stream = StreamAccessor::getStream(_stream);
_result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32FC1);
GpuMat result = _result.getGpuMat();
if (templ.size().area() < getTemplateThreshold(TM_CCORR, CV_32F))
{
matchTemplateNaive_CCORR_32F(image, templ, result, image.channels(), StreamAccessor::getStream(stream));
matchTemplateNaive_CCORR_32F(image, templ, result, image.channels(), stream);
return;
}
Ptr<gpu::Convolution> conv = gpu::createConvolution(buf.user_block_size);
if (image.channels() == 1)
{
conv->convolve(image.reshape(1), templ.reshape(1), result, true, stream);
conv_->convolve(image.reshape(1), templ.reshape(1), result, true, _stream);
}
else
{
GpuMat result_;
conv->convolve(image.reshape(1), templ.reshape(1), result_, true, stream);
extractFirstChannel_32F(result_, result, image.channels(), StreamAccessor::getStream(stream));
conv_->convolve(image.reshape(1), templ.reshape(1), result_, true, _stream);
extractFirstChannel_32F(result_, result, image.channels(), stream);
}
}
///////////////////////////////////////////////////////////////
// CCORR_8U
void matchTemplate_CCORR_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_CCORR_8U : public TemplateMatching
{
if (templ.size().area() < getTemplateThreshold(cv::TM_CCORR, CV_8U))
public:
explicit Match_CCORR_8U(Size user_block_size) : match32F_(user_block_size)
{
result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32F);
}
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
private:
GpuMat imagef_, templf_;
Match_CCORR_32F match32F_;
};
void Match_CCORR_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
if (templ.size().area() < getTemplateThreshold(TM_CCORR, CV_8U))
{
_result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32FC1);
GpuMat result = _result.getGpuMat();
matchTemplateNaive_CCORR_8U(image, templ, result, image.channels(), StreamAccessor::getStream(stream));
return;
}
image.convertTo(buf.imagef, CV_32F, stream);
templ.convertTo(buf.templf, CV_32F, stream);
image.convertTo(imagef_, CV_32F, stream);
templ.convertTo(templf_, CV_32F, stream);
matchTemplate_CCORR_32F(buf.imagef, buf.templf, result, buf, stream);
match32F_.match(imagef_, templf_, _result, stream);
}
///////////////////////////////////////////////////////////////
// CCORR_NORMED_8U
void matchTemplate_CCORR_NORMED_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_CCORR_NORMED_8U : public TemplateMatching
{
matchTemplate_CCORR_8U(image, templ, result, buf, stream);
public:
explicit Match_CCORR_NORMED_8U(Size user_block_size) : match_CCORR_(user_block_size)
{
}
buf.image_sqsums.resize(1);
gpu::sqrIntegral(image.reshape(1), buf.image_sqsums[0], stream);
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
unsigned long long templ_sqsum = (unsigned long long)gpu::sqrSum(templ.reshape(1))[0];
normalize_8U(templ.cols, templ.rows, buf.image_sqsums[0], templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
private:
Match_CCORR_8U match_CCORR_;
GpuMat image_sqsums_;
GpuMat intBuffer_;
};
void Match_CCORR_NORMED_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
match_CCORR_.match(image, templ, _result, stream);
GpuMat result = _result.getGpuMat();
gpu::sqrIntegral(image.reshape(1), image_sqsums_, intBuffer_, stream);
unsigned long long templ_sqsum = (unsigned long long) gpu::sqrSum(templ.reshape(1))[0];
normalize_8U(templ.cols, templ.rows, image_sqsums_, templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
}
///////////////////////////////////////////////////////////////
// SQDIFF_32F
void matchTemplate_SQDIFF_32F(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_SQDIFF_32F : public TemplateMatching
{
(void)buf;
result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32F);
public:
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
};
void Match_SQDIFF_32F::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_32F );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
_result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32FC1);
GpuMat result = _result.getGpuMat();
matchTemplateNaive_SQDIFF_32F(image, templ, result, image.channels(), StreamAccessor::getStream(stream));
}
///////////////////////////////////////////////////////////////
// SQDIFF_8U
void matchTemplate_SQDIFF_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_SQDIFF_8U : public TemplateMatching
{
if (templ.size().area() < getTemplateThreshold(cv::TM_SQDIFF, CV_8U))
public:
explicit Match_SQDIFF_8U(Size user_block_size) : match_CCORR_(user_block_size)
{
result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32F);
}
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
private:
GpuMat image_sqsums_;
GpuMat intBuffer_;
Match_CCORR_8U match_CCORR_;
};
void Match_SQDIFF_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
if (templ.size().area() < getTemplateThreshold(TM_SQDIFF, CV_8U))
{
_result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32FC1);
GpuMat result = _result.getGpuMat();
matchTemplateNaive_SQDIFF_8U(image, templ, result, image.channels(), StreamAccessor::getStream(stream));
return;
}
buf.image_sqsums.resize(1);
gpu::sqrIntegral(image.reshape(1), buf.image_sqsums[0], stream);
gpu::sqrIntegral(image.reshape(1), image_sqsums_, intBuffer_, stream);
unsigned long long templ_sqsum = (unsigned long long)gpu::sqrSum(templ.reshape(1))[0];
unsigned long long templ_sqsum = (unsigned long long) gpu::sqrSum(templ.reshape(1))[0];
matchTemplate_CCORR_8U(image, templ, result, buf, stream);
matchTemplatePrepared_SQDIFF_8U(templ.cols, templ.rows, buf.image_sqsums[0], templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
match_CCORR_.match(image, templ, _result, stream);
GpuMat result = _result.getGpuMat();
matchTemplatePrepared_SQDIFF_8U(templ.cols, templ.rows, image_sqsums_, templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
}
///////////////////////////////////////////////////////////////
// SQDIFF_NORMED_8U
void matchTemplate_SQDIFF_NORMED_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_SQDIFF_NORMED_8U : public TemplateMatching
{
buf.image_sqsums.resize(1);
gpu::sqrIntegral(image.reshape(1), buf.image_sqsums[0], stream);
public:
explicit Match_SQDIFF_NORMED_8U(Size user_block_size) : match_CCORR_(user_block_size)
{
}
unsigned long long templ_sqsum = (unsigned long long)gpu::sqrSum(templ.reshape(1))[0];
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
matchTemplate_CCORR_8U(image, templ, result, buf, stream);
matchTemplatePrepared_SQDIFF_NORMED_8U(templ.cols, templ.rows, buf.image_sqsums[0], templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
private:
GpuMat image_sqsums_;
GpuMat intBuffer_;
Match_CCORR_8U match_CCORR_;
};
void Match_SQDIFF_NORMED_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
gpu::sqrIntegral(image.reshape(1), image_sqsums_, intBuffer_, stream);
unsigned long long templ_sqsum = (unsigned long long) gpu::sqrSum(templ.reshape(1))[0];
match_CCORR_.match(image, templ, _result, stream);
GpuMat result = _result.getGpuMat();
matchTemplatePrepared_SQDIFF_NORMED_8U(templ.cols, templ.rows, image_sqsums_, templ_sqsum, result, image.channels(), StreamAccessor::getStream(stream));
}
///////////////////////////////////////////////////////////////
// CCOFF_8U
void matchTemplate_CCOFF_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_CCOEFF_8U : public TemplateMatching
{
matchTemplate_CCORR_8U(image, templ, result, buf, stream);
public:
explicit Match_CCOEFF_8U(Size user_block_size) : match_CCORR_(user_block_size)
{
}
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
private:
GpuMat intBuffer_;
std::vector<GpuMat> images_;
std::vector<GpuMat> image_sums_;
Match_CCORR_8U match_CCORR_;
};
void Match_CCOEFF_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
match_CCORR_.match(image, templ, _result, stream);
GpuMat result = _result.getGpuMat();
if (image.channels() == 1)
{
buf.image_sums.resize(1);
gpu::integral(image, buf.image_sums[0], stream);
image_sums_.resize(1);
gpu::integral(image, image_sums_[0], intBuffer_, stream);
unsigned int templ_sum = (unsigned int)gpu::sum(templ)[0];
matchTemplatePrepared_CCOFF_8U(templ.cols, templ.rows, buf.image_sums[0], templ_sum, result, StreamAccessor::getStream(stream));
unsigned int templ_sum = (unsigned int) gpu::sum(templ)[0];
matchTemplatePrepared_CCOFF_8U(templ.cols, templ.rows, image_sums_[0], templ_sum, result, StreamAccessor::getStream(stream));
}
else
{
gpu::split(image, buf.images);
buf.image_sums.resize(buf.images.size());
gpu::split(image, images_);
image_sums_.resize(images_.size());
for (int i = 0; i < image.channels(); ++i)
gpu::integral(buf.images[i], buf.image_sums[i], stream);
gpu::integral(images_[i], image_sums_[i], intBuffer_, stream);
Scalar templ_sum = gpu::sum(templ);
@@ -285,60 +464,91 @@ namespace
{
case 2:
matchTemplatePrepared_CCOFF_8UC2(
templ.cols, templ.rows, buf.image_sums[0], buf.image_sums[1],
(unsigned int)templ_sum[0], (unsigned int)templ_sum[1],
templ.cols, templ.rows, image_sums_[0], image_sums_[1],
(unsigned int) templ_sum[0], (unsigned int) templ_sum[1],
result, StreamAccessor::getStream(stream));
break;
case 3:
matchTemplatePrepared_CCOFF_8UC3(
templ.cols, templ.rows, buf.image_sums[0], buf.image_sums[1], buf.image_sums[2],
(unsigned int)templ_sum[0], (unsigned int)templ_sum[1], (unsigned int)templ_sum[2],
templ.cols, templ.rows, image_sums_[0], image_sums_[1], image_sums_[2],
(unsigned int) templ_sum[0], (unsigned int) templ_sum[1], (unsigned int) templ_sum[2],
result, StreamAccessor::getStream(stream));
break;
case 4:
matchTemplatePrepared_CCOFF_8UC4(
templ.cols, templ.rows, buf.image_sums[0], buf.image_sums[1], buf.image_sums[2], buf.image_sums[3],
(unsigned int)templ_sum[0], (unsigned int)templ_sum[1], (unsigned int)templ_sum[2],
(unsigned int)templ_sum[3], result, StreamAccessor::getStream(stream));
templ.cols, templ.rows, image_sums_[0], image_sums_[1], image_sums_[2], image_sums_[3],
(unsigned int) templ_sum[0], (unsigned int) templ_sum[1], (unsigned int) templ_sum[2], (unsigned int) templ_sum[3],
result, StreamAccessor::getStream(stream));
break;
default:
CV_Error(cv::Error::StsBadArg, "matchTemplate: unsupported number of channels");
CV_Error(Error::StsBadArg, "unsupported number of channels");
}
}
}
///////////////////////////////////////////////////////////////
// CCOFF_NORMED_8U
void matchTemplate_CCOFF_NORMED_8U(
const GpuMat& image, const GpuMat& templ, GpuMat& result, MatchTemplateBuf &buf, Stream& stream)
class Match_CCOEFF_NORMED_8U : public TemplateMatching
{
image.convertTo(buf.imagef, CV_32F, stream);
templ.convertTo(buf.templf, CV_32F, stream);
public:
explicit Match_CCOEFF_NORMED_8U(Size user_block_size) : match_CCORR_32F_(user_block_size)
{
}
matchTemplate_CCORR_32F(buf.imagef, buf.templf, result, buf, stream);
void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null());
private:
GpuMat imagef_, templf_;
Match_CCORR_32F match_CCORR_32F_;
GpuMat intBuffer_;
std::vector<GpuMat> images_;
std::vector<GpuMat> image_sums_;
std::vector<GpuMat> image_sqsums_;
};
void Match_CCOEFF_NORMED_8U::match(InputArray _image, InputArray _templ, OutputArray _result, Stream& stream)
{
using namespace cv::gpu::cudev::match_template;
GpuMat image = _image.getGpuMat();
GpuMat templ = _templ.getGpuMat();
CV_Assert( image.depth() == CV_8U );
CV_Assert( image.type() == templ.type() );
CV_Assert( image.cols >= templ.cols && image.rows >= templ.rows );
image.convertTo(imagef_, CV_32F, stream);
templ.convertTo(templf_, CV_32F, stream);
match_CCORR_32F_.match(imagef_, templf_, _result, stream);
GpuMat result = _result.getGpuMat();
if (image.channels() == 1)
{
buf.image_sums.resize(1);
gpu::integral(image, buf.image_sums[0], stream);
buf.image_sqsums.resize(1);
gpu::sqrIntegral(image, buf.image_sqsums[0], stream);
image_sums_.resize(1);
gpu::integral(image, image_sums_[0], intBuffer_, stream);
unsigned int templ_sum = (unsigned int)gpu::sum(templ)[0];
unsigned long long templ_sqsum = (unsigned long long)gpu::sqrSum(templ)[0];
image_sqsums_.resize(1);
gpu::sqrIntegral(image, image_sqsums_[0], intBuffer_, stream);
unsigned int templ_sum = (unsigned int) gpu::sum(templ)[0];
unsigned long long templ_sqsum = (unsigned long long) gpu::sqrSum(templ)[0];
matchTemplatePrepared_CCOFF_NORMED_8U(
templ.cols, templ.rows, buf.image_sums[0], buf.image_sqsums[0],
templ.cols, templ.rows, image_sums_[0], image_sqsums_[0],
templ_sum, templ_sqsum, result, StreamAccessor::getStream(stream));
}
else
{
gpu::split(image, buf.images);
buf.image_sums.resize(buf.images.size());
buf.image_sqsums.resize(buf.images.size());
gpu::split(image, images_);
image_sums_.resize(images_.size());
image_sqsums_.resize(images_.size());
for (int i = 0; i < image.channels(); ++i)
{
gpu::integral(buf.images[i], buf.image_sums[i], stream);
gpu::sqrIntegral(buf.images[i], buf.image_sqsums[i], stream);
gpu::integral(images_[i], image_sums_[i], intBuffer_, stream);
gpu::sqrIntegral(images_[i], image_sqsums_[i], intBuffer_, stream);
}
Scalar templ_sum = gpu::sum(templ);
@@ -349,8 +559,8 @@ namespace
case 2:
matchTemplatePrepared_CCOFF_NORMED_8UC2(
templ.cols, templ.rows,
buf.image_sums[0], buf.image_sqsums[0],
buf.image_sums[1], buf.image_sqsums[1],
image_sums_[0], image_sqsums_[0],
image_sums_[1], image_sqsums_[1],
(unsigned int)templ_sum[0], (unsigned long long)templ_sqsum[0],
(unsigned int)templ_sum[1], (unsigned long long)templ_sqsum[1],
result, StreamAccessor::getStream(stream));
@@ -358,9 +568,9 @@ namespace
case 3:
matchTemplatePrepared_CCOFF_NORMED_8UC3(
templ.cols, templ.rows,
buf.image_sums[0], buf.image_sqsums[0],
buf.image_sums[1], buf.image_sqsums[1],
buf.image_sums[2], buf.image_sqsums[2],
image_sums_[0], image_sqsums_[0],
image_sums_[1], image_sqsums_[1],
image_sums_[2], image_sqsums_[2],
(unsigned int)templ_sum[0], (unsigned long long)templ_sqsum[0],
(unsigned int)templ_sum[1], (unsigned long long)templ_sqsum[1],
(unsigned int)templ_sum[2], (unsigned long long)templ_sqsum[2],
@@ -369,10 +579,10 @@ namespace
case 4:
matchTemplatePrepared_CCOFF_NORMED_8UC4(
templ.cols, templ.rows,
buf.image_sums[0], buf.image_sqsums[0],
buf.image_sums[1], buf.image_sqsums[1],
buf.image_sums[2], buf.image_sqsums[2],
buf.image_sums[3], buf.image_sqsums[3],
image_sums_[0], image_sqsums_[0],
image_sums_[1], image_sqsums_[1],
image_sums_[2], image_sqsums_[2],
image_sums_[3], image_sqsums_[3],
(unsigned int)templ_sum[0], (unsigned long long)templ_sqsum[0],
(unsigned int)templ_sum[1], (unsigned long long)templ_sqsum[1],
(unsigned int)templ_sum[2], (unsigned long long)templ_sqsum[2],
@@ -380,46 +590,60 @@ namespace
result, StreamAccessor::getStream(stream));
break;
default:
CV_Error(cv::Error::StsBadArg, "matchTemplate: unsupported number of channels");
CV_Error(Error::StsBadArg, "unsupported number of channels");
}
}
}
}
void cv::gpu::matchTemplate(const GpuMat& image, const GpuMat& templ, GpuMat& result, int method, Stream& stream)
Ptr<gpu::TemplateMatching> cv::gpu::createTemplateMatching(int srcType, int method, Size user_block_size)
{
MatchTemplateBuf buf;
matchTemplate(image, templ, result, method, buf, stream);
}
const int sdepth = CV_MAT_DEPTH(srcType);
CV_Assert( sdepth == CV_8U || sdepth == CV_32F );
void cv::gpu::matchTemplate(
const GpuMat& image, const GpuMat& templ, GpuMat& result, int method,
MatchTemplateBuf &buf, Stream& stream)
{
CV_Assert(image.type() == templ.type());
CV_Assert(image.cols >= templ.cols && image.rows >= templ.rows);
typedef void (*Caller)(const GpuMat&, const GpuMat&, GpuMat&, MatchTemplateBuf&, Stream& stream);
static const Caller callers8U[] = { ::matchTemplate_SQDIFF_8U, ::matchTemplate_SQDIFF_NORMED_8U,
::matchTemplate_CCORR_8U, ::matchTemplate_CCORR_NORMED_8U,
::matchTemplate_CCOFF_8U, ::matchTemplate_CCOFF_NORMED_8U };
static const Caller callers32F[] = { ::matchTemplate_SQDIFF_32F, 0,
::matchTemplate_CCORR_32F, 0, 0, 0 };
const Caller* callers = 0;
switch (image.depth())
if (sdepth == CV_32F)
{
case CV_8U: callers = callers8U; break;
case CV_32F: callers = callers32F; break;
default: CV_Error(cv::Error::StsBadArg, "matchTemplate: unsupported data type");
}
switch (method)
{
case TM_SQDIFF:
return new Match_SQDIFF_32F;
Caller caller = callers[method];
CV_Assert(caller);
caller(image, templ, result, buf, stream);
case TM_CCORR:
return new Match_CCORR_32F(user_block_size);
default:
CV_Error( Error::StsBadFlag, "Unsopported method" );
return Ptr<gpu::TemplateMatching>();
}
}
else
{
switch (method)
{
case TM_SQDIFF:
return new Match_SQDIFF_8U(user_block_size);
case TM_SQDIFF_NORMED:
return new Match_SQDIFF_NORMED_8U(user_block_size);
case TM_CCORR:
return new Match_CCORR_8U(user_block_size);
case TM_CCORR_NORMED:
return new Match_CCORR_NORMED_8U(user_block_size);
case TM_CCOEFF:
return new Match_CCOEFF_8U(user_block_size);
case TM_CCOEFF_NORMED:
return new Match_CCOEFF_NORMED_8U(user_block_size);
default:
CV_Error( Error::StsBadFlag, "Unsopported method" );
return Ptr<gpu::TemplateMatching>();
}
}
}
#endif