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1 | // -*- mode: c++ -*- |
2 | ||
3 | #ifndef __FACIAL_LANDMARK_DETECTOR_H__ | |
4 | #define __FACIAL_LANDMARK_DETECTOR_H__ | |
5 | ||
6 | /**** | |
7 | Copyright (c) 2020 Adrian I. Lam | |
8 | ||
9 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | of this software and associated documentation files (the "Software"), to deal | |
11 | in the Software without restriction, including without limitation the rights | |
12 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | copies of the Software, and to permit persons to whom the Software is | |
14 | furnished to do so, subject to the following conditions: | |
15 | ||
16 | The above copyright notice and this permission notice shall be included in all | |
17 | copies or substantial portions of the Software. | |
18 | ||
19 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | SOFTWARE. | |
26 | ****/ | |
27 | ||
28 | #include <deque> | |
29 | #include <string> | |
30 | #include <opencv2/opencv.hpp> | |
31 | #include <dlib/image_processing/frontal_face_detector.h> | |
32 | #include <dlib/image_processing.h> | |
33 | #include <dlib/gui_widgets.h> | |
34 | ||
35 | class FacialLandmarkDetector | |
36 | { | |
37 | public: | |
38 | struct Params | |
39 | { | |
40 | double leftEyeOpenness; | |
41 | double rightEyeOpenness; | |
42 | double leftEyeSmile; | |
43 | double rightEyeSmile; | |
44 | double mouthOpenness; | |
45 | double mouthForm; | |
46 | double faceXAngle; | |
47 | double faceYAngle; | |
48 | double faceZAngle; | |
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49 | bool autoBlink; |
50 | bool autoBreath; | |
51 | bool randomMotion; | |
830d0ba4 AIL |
52 | // TODO eyebrows currently not supported... |
53 | // I'd like to include them, but the dlib detection is very | |
54 | // noisy and inaccurate (at least for my face). | |
55 | }; | |
56 | ||
57 | FacialLandmarkDetector(std::string cfgPath); | |
58 | ||
59 | Params getParams(void) const; | |
60 | ||
61 | void stop(void); | |
62 | ||
63 | void mainLoop(void); | |
64 | ||
65 | private: | |
66 | enum LeftRight : bool | |
67 | { | |
68 | LEFT, | |
69 | RIGHT | |
70 | }; | |
71 | ||
72 | cv::VideoCapture webcam; | |
73 | dlib::image_window win; | |
74 | dlib::frontal_face_detector detector; | |
75 | dlib::shape_predictor predictor; | |
76 | bool m_stop; | |
77 | ||
78 | double calcEyeAspectRatio(dlib::point& p1, dlib::point& p2, | |
79 | dlib::point& p3, dlib::point& p4, | |
80 | dlib::point& p5, dlib::point& p6) const; | |
81 | ||
82 | double calcRightEyeAspectRatio(dlib::full_object_detection& shape) const; | |
83 | double calcLeftEyeAspectRatio(dlib::full_object_detection& shape) const; | |
84 | ||
85 | double calcEyeOpenness(LeftRight eye, | |
86 | dlib::full_object_detection& shape, | |
87 | double faceYAngle) const; | |
88 | ||
89 | double calcMouthForm(dlib::full_object_detection& shape) const; | |
90 | double calcMouthOpenness(dlib::full_object_detection& shape, double mouthForm) const; | |
91 | ||
92 | double calcFaceXAngle(dlib::full_object_detection& shape) const; | |
93 | double calcFaceYAngle(dlib::full_object_detection& shape, double faceXAngle, double mouthForm) const; | |
94 | double calcFaceZAngle(dlib::full_object_detection& shape) const; | |
95 | ||
96 | void populateDefaultConfig(void); | |
97 | void parseConfig(std::string cfgPath); | |
98 | void throwConfigError(std::string paramName, std::string expectedType, | |
99 | std::string line, unsigned int lineNum); | |
100 | ||
101 | ||
102 | std::deque<double> m_leftEyeOpenness; | |
103 | std::deque<double> m_rightEyeOpenness; | |
104 | ||
105 | std::deque<double> m_mouthOpenness; | |
106 | std::deque<double> m_mouthForm; | |
107 | ||
108 | std::deque<double> m_faceXAngle; | |
109 | std::deque<double> m_faceYAngle; | |
110 | std::deque<double> m_faceZAngle; | |
111 | ||
112 | struct Config | |
113 | { | |
114 | int cvVideoCaptureId; | |
115 | std::string predictorPath; | |
116 | double faceYAngleCorrection; | |
117 | double eyeSmileEyeOpenThreshold; | |
118 | double eyeSmileMouthFormThreshold; | |
119 | double eyeSmileMouthOpenThreshold; | |
120 | bool showWebcamVideo; | |
121 | bool renderLandmarksOnVideo; | |
122 | bool lateralInversion; | |
123 | std::size_t faceXAngleNumTaps; | |
124 | std::size_t faceYAngleNumTaps; | |
125 | std::size_t faceZAngleNumTaps; | |
126 | std::size_t mouthFormNumTaps; | |
127 | std::size_t mouthOpenNumTaps; | |
128 | std::size_t leftEyeOpenNumTaps; | |
129 | std::size_t rightEyeOpenNumTaps; | |
130 | int cvWaitKeyMs; | |
131 | double eyeClosedThreshold; | |
132 | double eyeOpenThreshold; | |
133 | double mouthNormalThreshold; | |
134 | double mouthSmileThreshold; | |
135 | double mouthClosedThreshold; | |
136 | double mouthOpenThreshold; | |
137 | double mouthOpenLaughCorrection; | |
138 | double faceYAngleXRotCorrection; | |
139 | double faceYAngleSmileCorrection; | |
140 | double faceYAngleZeroValue; | |
141 | double faceYAngleUpThreshold; | |
142 | double faceYAngleDownThreshold; | |
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143 | bool autoBlink; |
144 | bool autoBreath; | |
145 | bool randomMotion; | |
830d0ba4 AIL |
146 | } m_cfg; |
147 | }; | |
148 | ||
149 | #endif | |
150 |