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Merge pull request #118 from ytham/blur

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Added medianBlur and bilateralFilter
This commit is contained in:
Peter Braden 2014-04-21 08:49:17 -07:00
commit 8822bb4c01
2 changed files with 61 additions and 0 deletions
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59
src/Matrix.cc
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@ -58,6 +58,8 @@ Matrix::Init(Handle<Object> target) {
NODE_SET_PROTOTYPE_METHOD(constructor, "convertGrayscale", ConvertGrayscale);
NODE_SET_PROTOTYPE_METHOD(constructor, "convertHSVscale", ConvertHSVscale);
NODE_SET_PROTOTYPE_METHOD(constructor, "gaussianBlur", GaussianBlur);
NODE_SET_PROTOTYPE_METHOD(constructor, "medianBlur", MedianBlur);
NODE_SET_PROTOTYPE_METHOD(constructor, "bilateralFilter", BilateralFilter);
NODE_SET_PROTOTYPE_METHOD(constructor, "copy", Copy);
NODE_SET_PROTOTYPE_METHOD(constructor, "flip", Flip);
NODE_SET_PROTOTYPE_METHOD(constructor, "roi", ROI);
@ -809,6 +811,63 @@ Matrix::GaussianBlur(const v8::Arguments& args) {
}
Handle<Value>
Matrix::MedianBlur(const v8::Arguments &args) {
HandleScope scope;
cv::Mat blurred;
int ksize = 3;
Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
if (args[0]->IsNumber()) {
ksize = args[0]->IntegerValue();
if ((ksize % 2) == 0) {
return ThrowException(Exception::TypeError(String::New(
"'ksize' argument must be a positive odd integer")));
}
} else {
return ThrowException(Exception::TypeError(String::New(
"'ksize' argument must be a positive odd integer")));
}
cv::medianBlur(self->mat, blurred, ksize);
blurred.copyTo(self->mat);
return scope.Close(v8::Null());
}
Handle<Value>
Matrix::BilateralFilter(const v8::Arguments &args) {
HandleScope scope;
cv::Mat filtered;
int d = 15;
double sigmaColor = 80;
double sigmaSpace = 80;
int borderType = cv::BORDER_DEFAULT;
Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
if (args.Length() != 0) {
if (args.Length() < 3 || args.Length() > 4) {
return ThrowException(Exception::TypeError(String::New(
"BilateralFilter takes 0, 3, or 4 arguments")));
} else {
d = args[0]->IntegerValue();
sigmaColor = args[1]->NumberValue();
sigmaSpace = args[2]->NumberValue();
if (args.Length() == 4) {
borderType = args[3]->IntegerValue();
}
}
}
cv::bilateralFilter(self->mat, filtered, d, sigmaColor, sigmaSpace, borderType);
filtered.copyTo(self->mat);
return scope.Close(v8::Null());
}
Handle<Value>
Matrix::Copy(const v8::Arguments& args) {
HandleScope scope;

2
src/Matrix.h
View File

@ -48,6 +48,8 @@ class Matrix: public node::ObjectWrap {
JSFUNC(ConvertGrayscale)
JSFUNC(ConvertHSVscale)
JSFUNC(GaussianBlur)
JSFUNC(MedianBlur)
JSFUNC(BilateralFilter)
JSFUNC(Copy)
JSFUNC(Flip)
JSFUNC(ROI)