summaryrefslogtreecommitdiffhomepage
path: root/tracker-neuralnet/ftnoir_tracker_neuralnet.h
diff options
context:
space:
mode:
Diffstat (limited to 'tracker-neuralnet/ftnoir_tracker_neuralnet.h')
-rw-r--r--tracker-neuralnet/ftnoir_tracker_neuralnet.h231
1 files changed, 231 insertions, 0 deletions
diff --git a/tracker-neuralnet/ftnoir_tracker_neuralnet.h b/tracker-neuralnet/ftnoir_tracker_neuralnet.h
new file mode 100644
index 00000000..e26689a4
--- /dev/null
+++ b/tracker-neuralnet/ftnoir_tracker_neuralnet.h
@@ -0,0 +1,231 @@
+/* Copyright (c) 2021 Michael Welter <michael@welter-4d.de>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#pragma once
+
+#include "options/options.hpp"
+#include "api/plugin-api.hpp"
+#include "cv/video-widget.hpp"
+#include "cv/translation-calibrator.hpp"
+#include "cv/numeric.hpp"
+#include "compat/timer.hpp"
+#include "video/camera.hpp"
+#include "cv/affine.hpp"
+
+#include <QObject>
+#include <QThread>
+#include <QMutex>
+#include <QHBoxLayout>
+#include <QDialog>
+#include <QTimer>
+
+#include <memory>
+#include <cinttypes>
+
+#include <onnxruntime_cxx_api.h>
+
+#include <opencv2/core.hpp>
+#include <opencv2/core/types.hpp>
+#include <opencv2/imgproc.hpp>
+
+#include "ui_neuralnet-trackercontrols.h"
+
+namespace neuralnet_tracker_ns
+{
+
+
+using namespace options;
+
+
+enum fps_choices
+{
+ fps_default = 0,
+ fps_30 = 1,
+ fps_60 = 2,
+ fps_MAX = 3
+};
+
+
+struct settings : opts {
+ value<int> offset_fwd { b, "offset-fwd", 200 }, // Millimeters
+ offset_up { b, "offset-up", 0 },
+ offset_right { b, "offset-right", 0 };
+ value<QString> camera_name { b, "camera-name", ""};
+ value<int> fov { b, "field-of-view", 56 };
+ value<fps_choices> force_fps { b, "force-fps", fps_default };
+ value<bool> show_network_input { b, "show-network-input", false };
+ settings();
+};
+
+
+struct CamIntrinsics
+{
+ float focal_length_w;
+ float focal_length_h;
+ float fov_w;
+ float fov_h;
+};
+
+
+class Localizer
+{
+ public:
+ Localizer(Ort::MemoryInfo &allocator_info,
+ Ort::Session &&session);
+
+ // Returns bounding wrt image coordinate of the input image
+ // The preceeding float is the score for being a face normalized to [0,1].
+ std::pair<float, cv::Rect2f> run(
+ const cv::Mat &frame);
+
+ private:
+ inline static constexpr int input_img_width = 288;
+ inline static constexpr int input_img_height = 224;
+ Ort::Session session{nullptr};
+ // Inputs / outputs
+ cv::Mat scaled_frame{}, input_mat{};
+ Ort::Value input_val{nullptr}, output_val{nullptr};
+ std::array<float, 5> results;
+};
+
+
+class PoseEstimator
+{
+ public:
+ struct Face
+ {
+ std::array<float,4> rotation; // Quaternion, (w, x, y, z)
+ // The following quantities are defined wrt the image space of the input
+ cv::Rect2f box;
+ cv::Point2f center;
+ float size;
+ };
+
+ PoseEstimator(Ort::MemoryInfo &allocator_info,
+ Ort::Session &&session);
+ // Inference
+ std::optional<Face> run(const cv::Mat &frame, const cv::Rect &box);
+ // Returns an image compatible with the 'frame' image for displaying.
+ cv::Mat last_network_input() const;
+
+ private:
+ // Operates on the private image data members
+ int find_input_intensity_90_pct_quantile() const;
+
+ inline static constexpr int input_img_width = 129;
+ inline static constexpr int input_img_height = 129;
+ Ort::Session session{nullptr};
+ // Inputs
+ cv::Mat scaled_frame{}, input_mat{};
+ Ort::Value input_val{nullptr};
+ // Outputs
+ cv::Vec<float, 3> output_coord{};
+ cv::Vec<float, 4> output_quat{};
+ cv::Vec<float, 4> output_box{};
+ Ort::Value output_val[3] = {
+ Ort::Value{nullptr},
+ Ort::Value{nullptr},
+ Ort::Value{nullptr}};
+};
+
+
+class neuralnet_tracker : protected virtual QThread, public ITracker
+{
+ Q_OBJECT
+public:
+ neuralnet_tracker();
+ ~neuralnet_tracker() override;
+ module_status start_tracker(QFrame* frame) override;
+ void data(double *data) override;
+ void run() override;
+ Affine pose();
+
+ QMutex camera_mtx;
+ std::unique_ptr<video::impl::camera> camera;
+
+private:
+ bool detect();
+ bool open_camera();
+ void set_intrinsics();
+ bool load_and_initialize_model();
+ void draw_gizmos(
+ cv::Mat frame,
+ const PoseEstimator::Face &face,
+ const Affine& pose) const;
+ void update_fps(double dt);
+
+ Affine compute_pose(const PoseEstimator::Face &face) const;
+ numeric_types::vec3 image_to_world(float x, float y, float size, float real_size) const;
+ numeric_types::vec2 world_to_image(const numeric_types::vec3& p) const;
+
+ settings s;
+ std::optional<Localizer> localizer;
+ std::optional<PoseEstimator> poseestimator;
+ Ort::Env env{nullptr};
+ Ort::MemoryInfo allocator_info{nullptr};
+
+ CamIntrinsics intrinsics{};
+ cv::Mat frame, grayscale;
+ std::optional<cv::Rect2f> last_localizer_roi;
+ std::optional<cv::Rect2f> last_roi;
+ static constexpr float head_size_mm = 200.f;
+
+ double fps = 0;
+ double max_frame_time = 0;
+ static constexpr double RC = .25;
+
+ QMutex mtx; // Protects the pose
+ Affine pose_;
+
+ std::unique_ptr<cv_video_widget> videoWidget;
+ std::unique_ptr<QHBoxLayout> layout;
+};
+
+
+class neuralnet_dialog : public ITrackerDialog
+{
+ Q_OBJECT
+public:
+ neuralnet_dialog();
+ void register_tracker(ITracker * x) override;
+ void unregister_tracker() override;
+private:
+ void make_fps_combobox();
+
+ Ui::Form ui;
+ settings s;
+
+ // Calibration code mostly taken from point tracker
+ QTimer calib_timer;
+ TranslationCalibrator trans_calib;
+ QMutex calibrator_mutex;
+
+ neuralnet_tracker* tracker = nullptr;
+
+private Q_SLOTS:
+ void doOK();
+ void doCancel();
+ void camera_settings();
+ void update_camera_settings_state(const QString& name);
+ void startstop_trans_calib(bool start);
+ void trans_calib_step();
+};
+
+
+class neuralnet_metadata : public Metadata
+{
+ Q_OBJECT
+ QString name() override { return QString("neuralnet tracker"); }
+ QIcon icon() override { return QIcon(":/images/neuralnet.png"); }
+};
+
+
+} // neuralnet_tracker_ns
+
+using neuralnet_tracker_ns::neuralnet_tracker;
+using neuralnet_tracker_ns::neuralnet_dialog;
+using neuralnet_tracker_ns::neuralnet_metadata; \ No newline at end of file