1
0
Fork 0
mirror of https://github.com/ruby-opencv/ruby-opencv synced 2023-03-27 23:22:12 -04:00
ruby-opencv/ext/opencv/dnn.cpp
2018-07-26 21:19:09 -07:00

72 lines
2.4 KiB
C++

#include "opencv2/dnn.hpp"
#include "opencv.hpp"
#include "mat.hpp"
#include "size.hpp"
#include "scalar.hpp"
#include "dnn_net.hpp"
#include "dnn_layer.hpp"
#include "error.hpp"
namespace rubyopencv {
namespace Dnn {
VALUE rb_module = Qnil;
// Mat blobFromImage(const Mat& image, double scalefactor=1.0, const Size& size = Size(), const Scalar& mean = Scalar(), bool swapRB=true)
VALUE rb_blob_from_image(int argc, VALUE *argv, VALUE self) {
VALUE image, options;
rb_scan_args(argc, argv, "11", &image, &options);
cv::Mat *b = NULL;
try {
double scale_factor = 1.0;
cv::Size size;
cv::Scalar mean;
bool swap_rb = true;
bool crop = true;
if (!NIL_P(options)) {
Check_Type(options, T_HASH);
scale_factor = NUM2DBL_DEFAULT(HASH_LOOKUP(options, "scale_factor"), scale_factor);
swap_rb = RTEST_DEFAULT(HASH_LOOKUP(options, "swap_rb"), (bool)swap_rb);
crop = RTEST_DEFAULT(HASH_LOOKUP(options, "crop"), (bool)crop);
VALUE tmp = Qnil;
tmp = HASH_LOOKUP(options, "size");
if (!NIL_P(tmp)) {
size = *(Size::obj2size(tmp));
}
tmp = HASH_LOOKUP(options, "mean");
if (!NIL_P(tmp)) {
mean = *(Scalar::obj2scalar(tmp));
}
}
b = new cv::Mat(cv::dnn::blobFromImage(*Mat::obj2mat(image), scale_factor, size, mean, swap_rb, crop));
} catch(cv::Exception& e) {
delete b;
Error::raise(e);
}
return Mat::mat2obj(b);
}
void init(VALUE opencv) {
rb_module = rb_define_module_under(opencv, "Dnn");
rb_define_singleton_method(rb_module, "blob_from_image", RUBY_METHOD_FUNC(rb_blob_from_image), -1);
rb_define_singleton_method(rb_module, "read_net", RUBY_METHOD_FUNC(Dnn::Net::rb_read_net), -1);
rb_define_singleton_method(rb_module, "read_net_from_caffe", RUBY_METHOD_FUNC(Dnn::Net::rb_read_net_from_caffe), 2);
rb_define_singleton_method(rb_module, "read_net_from_tensorflow", RUBY_METHOD_FUNC(Dnn::Net::rb_read_net_from_tensorflow), 1);
rb_define_singleton_method(rb_module, "read_net_from_torch", RUBY_METHOD_FUNC(Dnn::Net::rb_read_net_from_torch), 1);
rb_define_singleton_method(rb_module, "read_net_from_darknet", RUBY_METHOD_FUNC(Dnn::Net::rb_read_net_from_darknet), 2);
Dnn::Net::init(rb_module);
Dnn::Layer::init(rb_module);
}
}
}