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Changed MatchTemplate arg from path to matrix

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This commit is contained in:
Oskar Dahlberg 2014-09-11 16:45:25 +02:00
parent 38a672d499
commit 46b09aa181
1 changed files with 14 additions and 21 deletions
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35
src/Matrix.cc
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@ -1719,26 +1719,11 @@ Matrix::FloodFill(const Arguments& args){
return scope.Close(Number::New( ret )); return scope.Close(Number::New( ret ));
} }
// @author ytham // @author ytham
// Match Template filter // Match Template filter
// Usage: output = input.matchTemplate("templateFileString", method); // Usage: output = input.matchTemplate(templateMatrix, method);
Handle<Value> Handle<Value>
Matrix::MatchTemplate(const v8::Arguments& args) { Matrix::MatchTemplate(const v8::Arguments& args) {
HandleScope scope;
Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
v8::String::Utf8Value args0(args[0]->ToString());
std::string filename = std::string(*args0);
cv::Mat templ;
templ = cv::imread(filename, CV_8S);
Local<Object> out = Matrix::constructor->GetFunction()->NewInstance();
Matrix *m_out = ObjectWrap::Unwrap<Matrix>(out);
int cols = self->mat.cols - templ.cols + 1;
int rows = self->mat.rows - templ.rows + 1;
m_out->mat.create(cols, rows, CV_32FC1);
/* /*
TM_SQDIFF =0 TM_SQDIFF =0
@ -1748,17 +1733,25 @@ Matrix::MatchTemplate(const v8::Arguments& args) {
TM_CCOEFF =4 TM_CCOEFF =4
TM_CCOEFF_NORMED =5 TM_CCOEFF_NORMED =5
*/ */
HandleScope scope;
Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
Matrix *templ = ObjectWrap::Unwrap<Matrix>(args[0]->ToObject());
Local<Object> out = Matrix::constructor->GetFunction()->NewInstance();
Matrix *m_out = ObjectWrap::Unwrap<Matrix>(out);
int cols = self->mat.cols - templ->mat.cols + 1;
int rows = self->mat.rows - templ->mat.rows + 1;
m_out->mat.create(cols, rows, CV_32FC1);
int method = (args.Length() < 2) ? (int)cv::TM_CCORR_NORMED : args[1]->Uint32Value(); int method = (args.Length() < 2) ? (int)cv::TM_CCORR_NORMED : args[1]->Uint32Value();
cv::matchTemplate(self->mat, templ, m_out->mat, method); cv::matchTemplate(self->mat, templ->mat, m_out->mat, method);
double minVal; double maxVal; cv::Point minLoc; cv::Point maxLoc;
cv::minMaxLoc(m_out->mat, &minVal, &maxVal, &minLoc, &maxLoc, cv::Mat() );
return scope.Close(out); return scope.Close(out);
} }
// @author ytham // @author ytham
// Min/Max location // Min/Max location
Handle<Value> Handle<Value>