294 lines
8.2 KiB
C++
294 lines
8.2 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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#include <VisualizationUtils.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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using namespace System::Collections::Generic;
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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_<float>* hog_features;
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cv::Mat* aligned_face;
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int* num_rows;
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int* num_cols;
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public:
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FaceAnalyserManaged(System::String^ root, bool dynamic, int output_width, bool mask_aligned)
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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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if (!dynamic)
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{
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params.OptimizeForImages();
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}
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params.setAlignedOutput(output_width, -1.0, mask_aligned);
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face_analyser = new FaceAnalysis::FaceAnalyser(params);
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hog_features = new cv::Mat_<float>();
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aligned_face = new cv::Mat();
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num_rows = new int;
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num_cols = new int;
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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, List<System::Tuple<double, double>^>^ landmarks, bool success, bool online) {
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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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//(captured_image, face_model.detected_landmarks, face_model.detection_success, sequence_reader.time_stamp, sequence_reader.IsWebcam());
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face_analyser->AddNextFrame(frame->Mat, landmarks_mat, success, 0, online);
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cv::Mat_<double> hog_d;
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face_analyser->GetLatestHOG(hog_d, *num_rows, *num_cols);
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hog_d.convertTo(*hog_features, CV_64F);
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face_analyser->GetLatestAlignedFace(*aligned_face);
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}
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// Predicting AUs from a single image
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System::Tuple<Dictionary<System::String^, double>^, Dictionary<System::String^, double>^>^
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PredictStaticAUsAndComputeFeatures(OpenCVWrappers::RawImage^ frame, List<System::Tuple<double, double>^>^ landmarks)
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{
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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->PredictStaticAUsAndComputeFeatures(frame->Mat, landmarks_mat);
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// Set the computed appearance features
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cv::Mat_<double> hog_tmp;
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face_analyser->GetLatestHOG(hog_tmp, *num_rows, *num_cols);
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hog_tmp.convertTo(*hog_features, CV_32F);
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face_analyser->GetLatestAlignedFace(*aligned_face);
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// Set the computed AUs
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auto AU_predictions_intensity = face_analyser->GetCurrentAUsReg();
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auto AU_predictions_occurence = face_analyser->GetCurrentAUsClass();
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auto au_intensities = gcnew Dictionary<System::String^, double>();
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auto au_occurences = gcnew Dictionary<System::String^, double>();
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for (auto p : AU_predictions_intensity)
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{
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au_intensities->Add(gcnew System::String(p.first.c_str()), p.second);
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}
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for (auto p : AU_predictions_occurence)
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{
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au_occurences->Add(gcnew System::String(p.first.c_str()), p.second);
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}
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return gcnew System::Tuple<Dictionary<System::String^, double>^, Dictionary<System::String^, double>^>(au_intensities, au_occurences);
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}
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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 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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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 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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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 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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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 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^ GetLatestHOGFeature() {
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OpenCVWrappers::RawImage^ HOG_feature = gcnew OpenCVWrappers::RawImage(*hog_features);
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return HOG_feature;
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}
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// As the number of HOG rows and columns might not be known in advance, have methods for querying them
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int GetHOGRows()
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{
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return *num_rows;
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}
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int GetHOGCols()
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{
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return *num_cols;
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}
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// The number of channels is always the same
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int GetHOGChannels()
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{
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return 31;
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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 num_cols;
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delete num_rows;
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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 |