| /////////////////////////////////////////////////////////////////////////////// | |
| // Copyright (C) 2017, Tadas Baltrusaitis all rights reserved. | |
| // | |
| // ACADEMIC OR NON-PROFIT ORGANIZATION NONCOMMERCIAL RESEARCH USE ONLY | |
| // | |
| // BY USING OR DOWNLOADING THE SOFTWARE, YOU ARE AGREEING TO THE TERMS OF THIS LICENSE AGREEMENT. | |
| // IF YOU DO NOT AGREE WITH THESE TERMS, YOU MAY NOT USE OR DOWNLOAD THE SOFTWARE. | |
| // | |
| // License can be found in OpenFace-license.txt | |
| // | |
| // * Any publications arising from the use of this software, including but | |
| // not limited to academic journal and conference publications, technical | |
| // reports and manuals, must cite at least one of the following works: | |
| // | |
| // OpenFace 2.0: Facial Behavior Analysis Toolkit | |
| // Tadas Baltru�aitis, Amir Zadeh, Yao Chong Lim, and Louis-Philippe Morency | |
| // in IEEE International Conference on Automatic Face and Gesture Recognition, 2018 | |
| // | |
| // Convolutional experts constrained local model for facial landmark detection. | |
| // A. Zadeh, T. Baltru�aitis, and Louis-Philippe Morency, | |
| // in Computer Vision and Pattern Recognition Workshops, 2017. | |
| // | |
| // Rendering of Eyes for Eye-Shape Registration and Gaze Estimation | |
| // Erroll Wood, Tadas Baltru�aitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling | |
| // in IEEE International. Conference on Computer Vision (ICCV), 2015 | |
| // | |
| // Cross-dataset learning and person-specific normalisation for automatic Action Unit detection | |
| // Tadas Baltru�aitis, Marwa Mahmoud, and Peter Robinson | |
| // in Facial Expression Recognition and Analysis Challenge, | |
| // IEEE International Conference on Automatic Face and Gesture Recognition, 2015 | |
| // | |
| /////////////////////////////////////////////////////////////////////////////// | |
| // System includes | |
| // OpenCV includes | |
| namespace Utilities | |
| { | |
| //=========================================================================== | |
| /** | |
| A class for capturing sequences from video, webcam, and image directories | |
| */ | |
| class ImageCapture { | |
| public: | |
| // Default constructor | |
| ImageCapture() {}; | |
| // Opening based on command line arguments | |
| bool Open(std::vector<std::string>& arguments); | |
| // Direct opening | |
| // Image sequence in the directory | |
| bool OpenDirectory(std::string directory, std::string bbox_directory="", float fx = -1, float fy = -1, float cx = -1, float cy = -1); | |
| // Video file | |
| bool OpenImageFiles(const std::vector<std::string>& image_files, float fx = -1, float fy = -1, float cx = -1, float cy = -1); | |
| // Getting the next frame | |
| cv::Mat GetNextImage(); | |
| // Getting the most recent grayscale frame (need to call GetNextImage first) | |
| cv::Mat_<uchar> GetGrayFrame(); | |
| // Return bounding boxes associated with the image (if defined) | |
| std::vector<cv::Rect_<float> > GetBoundingBoxes(); | |
| // Parameters describing the sequence and it's progress (what's the proportion of images opened) | |
| double GetProgress(); | |
| int image_width; | |
| int image_height; | |
| float fx, fy, cx, cy; | |
| // Name of the video file, image directory, or the webcam | |
| std::string name; | |
| bool has_bounding_boxes; | |
| private: | |
| // Blocking copy and move, as it doesn't make sense to have several readers pointed at the same source | |
| ImageCapture & operator= (const ImageCapture& other); | |
| ImageCapture & operator= (const ImageCapture&& other); | |
| ImageCapture(const ImageCapture&& other); | |
| ImageCapture(const ImageCapture& other); | |
| // Storing the latest captures | |
| cv::Mat latest_frame; | |
| cv::Mat_<uchar> latest_gray_frame; | |
| // Keeping track of how many files are read and the filenames | |
| size_t frame_num; | |
| std::vector<std::string> image_files; | |
| // Could optionally read the bounding box locations from files (each image could have multiple bounding boxes) | |
| std::vector<std::vector<cv::Rect_<float> > > bounding_boxes; | |
| void SetCameraIntrinsics(float fx, float fy, float cx, float cy); | |
| bool image_focal_length_set; | |
| bool image_optical_center_set; | |
| bool no_input_specified; | |
| }; | |
| } | |