Class: Circe

Inherits:
Object
  • Object
show all
Defined in:
lib/circe.rb,
lib/circe/version.rb,
ext/circe.cpp

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION = 
'0.2.1'

Instance Method Summary collapse

Instance Method Details

#analyze(*args) ⇒ Object 



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# File 'ext/circe.cpp', line 337

static VALUE
circe_m_analyze(int argc, VALUE* argv, VALUE self) {
    // Retrieve arguments
    VALUE v_imgstr, v_format, v_opts;
    VALUE kwargs[3];
    rb_scan_args(argc, argv, "11:", &v_imgstr, &v_format, &v_opts);
    rb_get_kwargs(v_opts, (ID[]){ id_debug, id_face, id_classify },
      0, 3, kwargs);
    VALUE v_debug    = IF_UNDEF(kwargs[0], Qfalse);
    VALUE v_face     = IF_UNDEF(kwargs[1], Qfalse);
    VALUE v_classify = IF_UNDEF(kwargs[2], Qfalse);

    VALUE v_features = rb_ary_new();
    VALUE v_image    = Qnil;
    
    if (! NIL_P(v_format)) {
  Check_Type(v_format, T_SYMBOL);
  ID i_format = rb_sym2id(v_format);
  if ((i_format != id_png) && (i_format != id_jpg))
      rb_raise(rb_eArgError, "format must be :png, :jpg or nil");
    }
    
    if (!RTEST(v_face) && !RTEST(v_classify)) {
  v_face = v_classify = Qtrue;
    }


    // Load image.
    Mat i_img = cv::imdecode(cv::Mat(1, RSTRING_LEN(v_imgstr), CV_8UC1,
             (unsigned char *)RSTRING_PTR(v_imgstr)),
           IMREAD_UNCHANGED);      
    Mat o_img = NIL_P(v_format) ? cv::Mat() : i_img.clone();

    // Processing
    std::chrono::time_point<std::chrono::system_clock> start_time, end_time;
    std::chrono::duration<double> duration;
    int state = 0;

    start_time = std::chrono::system_clock::now();
    
    if (RTEST(v_classify)) {
  vector<Yolo::Item> items;
  yolo->process(i_img, items);
  yolo_process_features(items, o_img, v_features, &state);
  if (state) goto exception;
    }

    if (RTEST(v_face)) {
  cv::Mat faces;
  yunet->process(i_img, faces);
  yunet_process_features(faces, o_img, v_features, &state);
  faces.release();
  if (state) goto exception;
    }

    end_time = std::chrono::system_clock::now();
    duration = end_time - start_time;
    

    if (! NIL_P(v_format)) {
  if (RTEST(v_debug)) {
      double ms    = duration / 1.0ms;
      string label = cv::format("Inference time : %0.2f ms", ms);
      cv::putText(o_img, label, Point(20, 40),
      FONT_FACE, FONT_SCALE, RED);
  }

  ID   i_format = rb_sym2id(v_format);
  string format;
  if      (i_format == id_png) { format = ".png"; }
  else if (i_format == id_jpg) { format = ".jpg"; }

  std::vector<uchar> buf;  
  cv::imencode(format, o_img, buf);
  v_image = rb_str_new(reinterpret_cast<char*>(buf.data()), buf.size());
  buf.clear();
    }

    i_img.release();
    o_img.release();

    return rb_ary_new_from_args(2, v_features, v_image);

 exception:
    i_img.release();
    o_img.release();
    rb_jump_tag(state);
}