307 lines
8.3 KiB
C++
307 lines
8.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017, Carnegie Mellon University and University of Cambridge,
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// all rights reserved.
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//
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// ACADEMIC OR NON-PROFIT ORGANIZATION NONCOMMERCIAL RESEARCH USE ONLY
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//
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// BY USING OR DOWNLOADING THE SOFTWARE, YOU ARE AGREEING TO THE TERMS OF THIS LICENSE AGREEMENT.
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// IF YOU DO NOT AGREE WITH THESE TERMS, YOU MAY NOT USE OR DOWNLOAD THE SOFTWARE.
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//
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// License can be found in OpenFace-license.txt
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// * Any publications arising from the use of this software, including but
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// not limited to academic journal and conference publications, technical
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// reports and manuals, must cite at least one of the following works:
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//
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// OpenFace: an open source facial behavior analysis toolkit
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency
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// in IEEE Winter Conference on Applications of Computer Vision, 2016
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//
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// Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
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// Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling
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// in IEEE International. Conference on Computer Vision (ICCV), 2015
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//
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// Cross-dataset learning and person-speci?c normalisation for automatic Action Unit detection
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// Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson
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// in Facial Expression Recognition and Analysis Challenge,
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// IEEE International Conference on Automatic Face and Gesture Recognition, 2015
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//
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// Constrained Local Neural Fields for robust facial landmark detection in the wild.
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency.
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// in IEEE Int. Conference on Computer Vision Workshops, 300 Faces in-the-Wild Challenge, 2013.
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//
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///////////////////////////////////////////////////////////////////////////////
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// FaceAnalyser_Interop.h
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#ifndef __FACE_ANALYSER_INTEROP_h_
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#define __FACE_ANALYSER_INTEROP_h_
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#pragma once
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// Include all the unmanaged things we need.
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#pragma managed
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#include <msclr\marshal.h>
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#include <msclr\marshal_cppstd.h>
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#pragma unmanaged
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// Allows to overcome boost name clash stuff with C++ CLI
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#ifdef __cplusplus_cli
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#define generic __identifier(generic)
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#endif
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#include <opencv2/core/core.hpp>
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#include "opencv2/objdetect.hpp"
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#include "opencv2/calib3d.hpp"
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#include <opencv2/imgcodecs.hpp>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/highgui/highgui.hpp>
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#include <OpenCVWrappers.h>
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#include <Face_utils.h>
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#include <FaceAnalyser.h>
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// Boost stuff
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#include <filesystem.hpp>
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#include <filesystem/fstream.hpp>
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#ifdef __cplusplus_cli
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#undef generic
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#endif
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#pragma managed
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namespace FaceAnalyser_Interop {
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public ref class FaceAnalyserManaged
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{
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private:
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FaceAnalysis::FaceAnalyser* face_analyser;
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// The actual descriptors (for visualisation and output)
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cv::Mat_<double>* hog_features;
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cv::Mat* aligned_face;
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cv::Mat* visualisation;
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// Variables used for recording things
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std::ofstream* hog_output_file;
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std::string* align_output_dir;
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int* num_rows;
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int* num_cols;
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bool* good_frame;
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public:
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FaceAnalyserManaged(System::String^ root, bool dynamic, int output_width)
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{
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string root_std = msclr::interop::marshal_as<std::string>(root);
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FaceAnalysis::FaceAnalyserParameters params(root_std);
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params.setAlignedOutput(output_width);
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face_analyser = new FaceAnalysis::FaceAnalyser(params);
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hog_features = new cv::Mat_<double>();
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aligned_face = new cv::Mat();
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visualisation = new cv::Mat();
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num_rows = new int;
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num_cols = new int;
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good_frame = new bool;
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align_output_dir = new string();
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hog_output_file = new std::ofstream();
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}
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void SetupAlignedImageRecording(System::String^ directory)
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{
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*align_output_dir = msclr::interop::marshal_as<std::string>(directory);
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}
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void SetupHOGRecording(System::String^ file)
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{
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// Create the file for recording
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hog_output_file->open(msclr::interop::marshal_as<std::string>(file), ios_base::out | ios_base::binary);
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}
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void StopHOGRecording()
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{
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hog_output_file->close();
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}
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void RecordAlignedFrame(int frame_num)
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{
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char name[100];
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// output the frame number
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sprintf(name, "frame_det_%06d.bmp", frame_num);
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string out_file = (boost::filesystem::path(*align_output_dir) / boost::filesystem::path(name)).string();
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imwrite(out_file, *aligned_face);
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}
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void RecordHOGFrame()
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{
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// Using FHOGs, hence 31 channels
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int num_channels = 31;
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hog_output_file->write((char*)(num_cols), 4);
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hog_output_file->write((char*)(num_rows), 4);
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hog_output_file->write((char*)(&num_channels), 4);
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// Not the best way to store a bool, but will be much easier to read it
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float good_frame_float;
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if(good_frame)
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good_frame_float = 1;
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else
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good_frame_float = -1;
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hog_output_file->write((char*)(&good_frame_float), 4);
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cv::MatConstIterator_<double> descriptor_it = hog_features->begin();
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for(int y = 0; y < *num_cols; ++y)
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{
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for(int x = 0; x < *num_rows; ++x)
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{
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for(unsigned int o = 0; o < 31; ++o)
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{
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float hog_data = (float)(*descriptor_it++);
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hog_output_file->write((char*)&hog_data, 4);
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}
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}
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}
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}
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void PostProcessOutputFile(System::String^ file)
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{
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face_analyser->PostprocessOutputFile(msclr::interop::marshal_as<std::string>(file));
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}
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void AddNextFrame(OpenCVWrappers::RawImage^ frame, System::Collections::Generic::List<System::Tuple<double, double>^>^ landmarks, bool success, bool online, bool vis_hog) {
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// Construct an OpenCV matric from the landmarks
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cv::Mat_<double> landmarks_mat(landmarks->Count * 2, 1, 0.0);
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for (int i = 0; i < landmarks->Count; ++i)
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{
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landmarks_mat.at<double>(i, 0) = landmarks[i]->Item1;
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landmarks_mat.at<double>(i + landmarks->Count, 0) = landmarks[i]->Item2;
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}
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face_analyser->AddNextFrame(frame->Mat, landmarks_mat, success, 0, online, vis_hog);
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face_analyser->GetLatestHOG(*hog_features, *num_rows, *num_cols);
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face_analyser->GetLatestAlignedFace(*aligned_face);
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*good_frame = success;
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if(vis_hog)
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{
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*visualisation = face_analyser->GetLatestHOGDescriptorVisualisation();
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}
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}
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System::Collections::Generic::List<System::String^>^ GetClassActionUnitsNames()
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{
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auto names = face_analyser->GetAUClassNames();
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auto names_ret = gcnew System::Collections::Generic::List<System::String^>();
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for(std::string name : names)
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{
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names_ret->Add(gcnew System::String(name.c_str()));
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}
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return names_ret;
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}
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System::Collections::Generic::List<System::String^>^ GetRegActionUnitsNames()
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{
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auto names = face_analyser->GetAURegNames();
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auto names_ret = gcnew System::Collections::Generic::List<System::String^>();
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for(std::string name : names)
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{
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names_ret->Add(gcnew System::String(name.c_str()));
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}
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return names_ret;
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}
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System::Collections::Generic::Dictionary<System::String^, double>^ GetCurrentAUsClass()
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{
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auto classes = face_analyser->GetCurrentAUsClass();
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auto au_classes = gcnew System::Collections::Generic::Dictionary<System::String^, double>();
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for(auto p: classes)
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{
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au_classes->Add(gcnew System::String(p.first.c_str()), p.second);
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}
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return au_classes;
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}
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System::Collections::Generic::Dictionary<System::String^, double>^ GetCurrentAUsReg()
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{
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auto preds = face_analyser->GetCurrentAUsReg();
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auto au_preds = gcnew System::Collections::Generic::Dictionary<System::String^, double>();
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for(auto p: preds)
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{
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au_preds->Add(gcnew System::String(p.first.c_str()), p.second);
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}
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return au_preds;
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}
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OpenCVWrappers::RawImage^ GetLatestAlignedFace() {
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OpenCVWrappers::RawImage^ face_aligned_image = gcnew OpenCVWrappers::RawImage(*aligned_face);
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return face_aligned_image;
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}
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OpenCVWrappers::RawImage^ GetLatestHOGDescriptorVisualisation() {
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OpenCVWrappers::RawImage^ HOG_vis_image = gcnew OpenCVWrappers::RawImage(*visualisation);
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return HOG_vis_image;
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}
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void Reset()
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{
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face_analyser->Reset();
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}
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// Finalizer. Definitely called before Garbage Collection,
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// but not automatically called on explicit Dispose().
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// May be called multiple times.
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!FaceAnalyserManaged()
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{
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delete hog_features;
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delete aligned_face;
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delete visualisation;
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delete num_cols;
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delete num_rows;
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delete hog_output_file;
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delete good_frame;
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delete align_output_dir;
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delete face_analyser;
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}
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// Destructor. Called on explicit Dispose() only.
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~FaceAnalyserManaged()
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{
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this->!FaceAnalyserManaged();
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}
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};
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}
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#endif |