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Added getLayerNames() to Net and improved blobFromImage();

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This commit is contained in:
Francois Deschenes 2018-07-25 23:58:13 -07:00
parent 256df73e7b
commit 46c5a08025
3 changed files with 40 additions and 4 deletions
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19
ext/opencv/dnn.cpp
View file

@ -31,10 +31,23 @@ namespace rubyopencv {
Check_Type(options, T_HASH);
double scale_factor = NUM2DBL_DEFAULT(HASH_LOOKUP(options, "scale_factor"), 1.0);
cv::Size *s = Size::obj2size(HASH_LOOKUP(options, "size"));
cv::Scalar *sc = Scalar::obj2scalar(HASH_LOOKUP(options, "mean"));;
cv::Size size;
cv::Scalar mean;
bool swap_rb = RTEST_DEFAULT(HASH_LOOKUP(options, "swap_rb"), true);
bool crop = RTEST_DEFAULT(HASH_LOOKUP(options, "crop"), true);
VALUE tmp = Qnil;
r = cv::dnn::blobFromImage(*m, scale_factor, *s, *sc);
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));
}
r = cv::dnn::blobFromImage(*m, scale_factor, size, mean, swap_rb, crop);
}
b = new cv::Mat(r);

21
ext/opencv/dnn_net.cpp
View file

@ -96,15 +96,34 @@ namespace rubyopencv {
return selfptr->empty() ? Qtrue : Qfalse;
}
VALUE rb_get_layer_names(VALUE self) {
cv::dnn::Net* selfptr = obj2net(self);
std::vector<cv::String> v = selfptr->getLayerNames();
const long size = v.size();
VALUE layer_names = rb_ary_new_capa(size);
for (long i = 0; i < size; i++) {
VALUE layer_name = rb_str_new_cstr(v[i].c_str());
rb_ary_store(layer_names, i, layer_name);
}
return layer_names;
}
void init(VALUE rb_module) {
rb_klass = rb_define_class_under(rb_module, "Net", rb_cData);
rb_define_alloc_func(rb_klass, rb_allocate);
rb_define_private_method(rb_klass, "initialize", RUBY_METHOD_FUNC(rb_initialize), 0);
rb_define_method(rb_klass, "set_input", RUBY_METHOD_FUNC(rb_set_input), -1);
rb_define_method(rb_klass, "input=", RUBY_METHOD_FUNC(rb_set_input), -1);
rb_define_alias(rb_klass, "set_input", "input=");
rb_define_method(rb_klass, "forward", RUBY_METHOD_FUNC(rb_forward), -1);
rb_define_method(rb_klass, "empty?", RUBY_METHOD_FUNC(rb_empty), 0);
rb_define_method(rb_klass, "get_layer_names", RUBY_METHOD_FUNC(rb_get_layer_names), 0);
}
}
}

4
ext/opencv/opencv.hpp
View file

@ -15,6 +15,10 @@ namespace rubyopencv {
return NIL_P(value) ? (default_value) : NUM2DBL(value);
}
inline double RTEST_DEFAULT(VALUE value, bool default_value) {
return NIL_P(value) ? (default_value) : (RTEST(value) ? true : false);
}
inline VALUE HASH_LOOKUP(VALUE hash, std::string key) {
return rb_hash_lookup(hash, ID2SYM(rb_intern(key.c_str())));
}