87 lines
5.1 KiB
C++
87 lines
5.1 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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//
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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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// Header for all external CLM/CLNF/CLM-Z methods of interest to the user
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//
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//
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#ifndef __LANDMARK_DETECTOR_FUNC_h_
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#define __LANDMARK_DETECTOR_FUNC_h_
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// OpenCV includes
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#include <opencv2/core/core.hpp>
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#include <LandmarkDetectorParameters.h>
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#include <LandmarkDetectorUtils.h>
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#include <LandmarkDetectorModel.h>
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using namespace std;
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namespace LandmarkDetector
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{
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//================================================================================================================
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// Landmark detection in videos, need to provide an image and model parameters (default values work well)
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// Optionally can provide a bounding box from which to start tracking
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//================================================================================================================
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bool DetectLandmarksInVideo(const cv::Mat_<uchar> &grayscale_image, CLNF& clnf_model, FaceModelParameters& params);
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bool DetectLandmarksInVideo(const cv::Mat_<uchar> &grayscale_image, const cv::Mat_<float> &depth_image, CLNF& clnf_model, FaceModelParameters& params);
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bool DetectLandmarksInVideo(const cv::Mat_<uchar> &grayscale_image, const cv::Rect_<double> bounding_box, CLNF& clnf_model, FaceModelParameters& params);
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bool DetectLandmarksInVideo(const cv::Mat_<uchar> &grayscale_image, const cv::Mat_<float> &depth_image, const cv::Rect_<double> bounding_box, CLNF& clnf_model, FaceModelParameters& params);
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//================================================================================================================
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// Landmark detection in image, need to provide an image and optionally CLNF model together with parameters (default values work well)
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// Optionally can provide a bounding box in which detection is performed (this is useful if multiple faces are to be detected in images)
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//================================================================================================================
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bool DetectLandmarksInImage(const cv::Mat_<uchar> &grayscale_image, CLNF& clnf_model, FaceModelParameters& params);
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// Providing a bounding box
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bool DetectLandmarksInImage(const cv::Mat_<uchar> &grayscale_image, const cv::Rect_<double> bounding_box, CLNF& clnf_model, FaceModelParameters& params);
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//================================================
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// CLM-Z versions
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bool DetectLandmarksInImage(const cv::Mat_<uchar> &grayscale_image, const cv::Mat_<float> depth_image, CLNF& clnf_model, FaceModelParameters& params);
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bool DetectLandmarksInImage(const cv::Mat_<uchar> &grayscale_image, const cv::Mat_<float> depth_image, const cv::Rect_<double> bounding_box, CLNF& clnf_model, FaceModelParameters& params);
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//================================================================
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// Helper function for getting head pose from CLNF parameters
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// Return the current estimate of the head pose in world coordinates with camera at origin (0,0,0)
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// The format returned is [Tx, Ty, Tz, Eul_x, Eul_y, Eul_z]
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cv::Vec6d GetPose(const CLNF& clnf_model, double fx, double fy, double cx, double cy);
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// Return the current estimate of the head pose in world coordinates with camera at origin (0,0,0), but with rotation representing if the head is looking at the camera
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// The format returned is [Tx, Ty, Tz, Eul_x, Eul_y, Eul_z]
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cv::Vec6d GetPoseWRTCamera(const CLNF& clnf_model, double fx, double fy, double cx, double cy);
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}
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#endif
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