| Es++ Sample: FeatureDetector |
/******************************************************************************
*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* FeatureDetector.cpp
*
*****************************************************************************/
#include <es++/Pair.h>
#include <es++/gtkmm-3.0/Application.h>
#include <es++/gtkmm-3.0/Label.h>
#include <es++/gtkmm-3.0/LabeledTrackBar.h>
#include <es++/gtkmm-3.0/PushButton.h>
#include <es++/gtkmm-3.0/FileOpenDialog.h>
#include <es++/opencv-4.0/OpenCVMainView.h>
#include <es++/opencv-4.0/OpenCVScrolledImageView.h>
#include <es++/opencv-4.0/OpenCVScaleComboBox.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenCVMainView {
private:
typedef enum {
/* AgastFeatureDetector */ DETECTOR_AGAST,
/* AKAZEFeatureDetector */ DETECTOR_AKAZE,
/* BRISKFeatureDetector */ DETECTOR_BRISK,
/* FastFeatureDetector */ DETECTOR_FAST,
/* GFTTDetector */ DETECTOR_GFTT,
/* KAZEFeatureDetector */ DETECTOR_KAZE,
/* MSERFeatureDetector */ DETECTOR_MSER,
/* ORBFeatureDetector */ DETECTOR_ORB,
} DETECTOR;
private:
///////////////////////////////////////////////////////
//Inner classes start.
class OriginalImageView :public Es::OpenCVScrolledImageView {
public:
OriginalImageView()
{
}
void rescale(int scaling_ratio)
{
OpenCVScrolledImageView::scaleImage(scaling_ratio);
}
};
class DetectedImageView :public Es::OpenCVScrolledImageView {
private:
cv::Mat detected_image;
public:
DetectedImageView()
{
}
void loadImage(const std::string& filename,
int imageLoadingFlag= CV_LOAD_IMAGE_COLOR,
int scaling_ratio=100)
{
OpenCVScrolledImageView::loadImage(filename, imageLoadingFlag,
scaling_ratio);
cv::Mat& original_image = getOriginalImage();
detected_image = original_image.clone();
scaleImage(detected_image, scaling_ratio);
}
void detect(DETECTOR detector, int b, int g, int r,
int scaling_ratio)
{
cv::Mat& image = getOriginalImage();
std::vector<cv::KeyPoint> keypoints;
switch (detector) {
case DETECTOR_AGAST: {
Ptr<AgastFeatureDetector> detector = cv::AgastFeatureDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_AKAZE:{
Ptr<AKAZE> detector = cv::AKAZE::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_BRISK: {
Ptr<BRISK> detector = cv::BRISK::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_FAST: {
Ptr<FastFeatureDetector> detector = cv::FastFeatureDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_GFTT:{
Ptr<GFTTDetector> detector = cv::GFTTDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_KAZE:{
Ptr<KAZE> detector = cv::KAZE::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_MSER: {
Ptr<MSER> detector = cv::MSER::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_ORB:{
Ptr<ORB> detector = cv::ORB::create(); //use default argments
detector->detect(image, keypoints);
}
break;
default:
break;
}
drawKeypoints(image, keypoints, detected_image, cv::Scalar(b, g, r));
scaleImage(detected_image, scaling_ratio);
}
void rescale(int scaling_ratio)
{
OpenCVScrolledImageView::scaleImage(detected_image, scaling_ratio);
}
};
// Inner classes end.
///////////////////////////////////////////////////////
Es::Label filepath;
Es::HorizontalLayout horiz_layout;
Es::VerticalLayout control_pane;
OriginalImageView original_image;
DetectedImageView detected_image;
int loading_flag;
Es::OpenCVScaleComboBox scale_combobox;
DETECTOR detector_type;
Es::LabeledComboBox detector_type_combobox;
Es::PushButton clear_button;
Es::PushButton detect_button;
int red;
int green;
int blue;
int scaling_ratio; //Percentage.
static const int CONTROLPANE_WIDTH = 180;
std::string filename;
Es::FileOpenDialog file_dialog;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::Application& applet,
std::string& name,
Es::Args& args)
:OpenCVMainView(applet, name, args)
,scaling_ratio(100) //100%
,file_dialog(*this, Es::FileOpenDialog::IMAGE_FILES)
{
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
int ratio = (int)args.get(XmNscalingRatio);
scaling_ratio = OpenCVImageView::validateScale(ratio);
Es::MainLayout& main_layout = get_main_layout();
main_layout.pack_start(filepath, FALSE, FALSE, 0);
main_layout.pack_start(horiz_layout);
filename = "../../images/Geometry.png";
filepath.set_label(filename);
int ww = (w - CONTROLPANE_WIDTH)/2;
filepath.set_size_request(w, 30);
original_image.set_size_request(ww, h);
detected_image.set_size_request(ww, h);
control_pane.set_size_request( CONTROLPANE_WIDTH, h);
horiz_layout.pack_start(original_image);
horiz_layout.pack_start(detected_image);
horiz_layout.pack_start(control_pane, FALSE, FALSE, 0);
scale_combobox.set_selection(scaling_ratio);
scale_combobox.set_changed_callback(
sigc::mem_fun(*this, &MainView::scale_changed) );
static const char* detector_types[] = {
"AgastFeatureDetector",
"AKAZEFeatureDetector",
"BRISKFeatureDetector",
"FastFeatureDetector",
"GFTTDetector",
"KAZEFeatureDetector",
"MSERFeatureDetector",
"ORBFeatureDetector",
};
detector_type = DETECTOR_AGAST;
detector_type_combobox.set_label("DetectorType");
detector_type_combobox.append_items(detector_types,
CountOf(detector_types));
detector_type_combobox.set_active_text(detector_types[0]);
detector_type_combobox.set_changed_callback(
sigc::mem_fun(*this, &MainView::detector_type_changed));
clear_button.set_label("Clear");
clear_button.set_clicked_callback(
sigc::mem_fun(*this, &MainView::clear_button_clicked));
detect_button.set_label("Detect");
detect_button.set_clicked_callback(
sigc::mem_fun(*this, &MainView::detect_button_clicked));
control_pane.set_spacing(20);
control_pane.pack_start(scale_combobox, Gtk::PACK_SHRINK);
control_pane.pack_start(detector_type_combobox, Gtk::PACK_SHRINK);
control_pane.pack_start(clear_button, Gtk::PACK_SHRINK);
control_pane.pack_start(detect_button, Gtk::PACK_SHRINK);
loading_flag = IMREAD_COLOR;
original_image.loadImage(filename, loading_flag, scaling_ratio);
detected_image.loadImage(filename, loading_flag, scaling_ratio);
red = 0xff;
green = 0;
blue = 0;
detected_image.detect(detector_type, blue, green, red,
scaling_ratio);
show_all();
}
void scale_changed()
{
std::string scale = scale_combobox.get_active_text();
printf("scale_changed %s\n", scale.c_str());
scaling_ratio = scale_combobox.get_selection();
original_image.rescale(scaling_ratio);
detected_image.rescale(scaling_ratio);
}
void detector_type_changed()
{
static const Pair<const char*, DETECTOR> types[] = {
{"AgastFeatureDetector", DETECTOR_AGAST},
{"AKAZEFeatureDetector", DETECTOR_AKAZE},
{"BRISKFeatureDetector", DETECTOR_BRISK},
{"FastFeatureDetector", DETECTOR_FAST},
{"GFTTDetector", DETECTOR_GFTT},
{"KAZEFeatureDetector", DETECTOR_KAZE},
{"MSERFeatureDetector", DETECTOR_MSER},
{"ORBFeatureDetector", DETECTOR_ORB},
};
std::string text = detector_type_combobox.get_active_text();
const char* item = text.c_str();
for (size_t i = 0; i<CountOf(types); i++) {
if (strcmp(types[i].first, item) == 0) {
detector_type = (DETECTOR)types[i].second;
break;
}
}
printf("detector_type %s\n", text.c_str());
detected_image.detect(detector_type, blue, green, red,
scaling_ratio);
}
void clear_button_clicked()
{
detected_image.loadImage(filename, loading_flag, scaling_ratio);
}
void detect_button_clicked()
{
detected_image.detect(detector_type, blue, green, red,
scaling_ratio);
}
void file_open()
{
int rc = file_dialog.popup();
if (rc == Gtk::RESPONSE_OK) {
const std::string filename = file_dialog.get_filename();
filepath.set_label(filename);
original_image.loadImage(filename, loading_flag, scaling_ratio);
detected_image.loadImage(filename, loading_flag, scaling_ratio);
detected_image.detect(detector_type, blue, green, red,
scaling_ratio);
}
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
std::string name = argv[0];
Es::Application applet(argc, argv);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 40);
args.set(XmNwidth, 900);
args.set(XmNheight, 400);
args.set(XmNscalingRatio, 60); //60%
Es::MainView mainv(applet, name, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}