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TrackerGazeCalibrator.h
1 //
3 // (c) Visage Technologies AB 2002 - 2023 All rights reserved.
4 //
5 // This file is part of visage|SDK(tm).
6 // Unauthorized copying of this file, via any medium is strictly prohibited.
7 //
8 // No warranty, explicit or implicit, provided.
9 //
10 // This is proprietary software. No part of this software may be used or
11 // reproduced in any form or by any means otherwise than in accordance with
12 // any written license granted by Visage Technologies AB.
13 //
15
16 #ifndef SCREENSPACEGAZE_H
17 #define SCREENSPACEGAZE_H
18 #include <vector>
19 #include "vs_main.h"
20
21 #ifdef EMSCRIPTEN
22 #include <unistd.h>
23 #include <stdio.h>
24 #endif
25 #ifdef VISAGE_STATIC
26 #define VISAGE_DECLSPEC
27 #else
28
29 #ifdef VISAGE_EXPORTS
30 #define VISAGE_DECLSPEC __declspec(dllexport)
31 #else
32 #define VISAGE_DECLSPEC __declspec(dllimport)
33 #endif
34
35 #endif
36
37 namespace VisageSDK
38 {
39
42 struct VISAGE_DECLSPEC QualityParams
43 {
45 //* This value is set after successful calibration.
46 //**/
47 //float fitQuality;
48
50 //* This value is set after successfully calibration and is updated for each new estimation frame.
51 //* In offline mode this value is calculated after processing is finished. In online mode this value is currently not set.
52 //**/
53 //float varEstimRotation;
54 //
56 //* This value is updated for each new frame.
57 //* In offline mode This value is calculated after processing is finished if running in offline mode. In online mode this value is currently not set.
58 //**/
59 //float varTrackQuality;
60
62 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
63 //**/
64 //float varCalibTrackQuality;
65
67 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
68 //**/
69 //float varCalibRotation;
70 //
71 //
73 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
74 //**/
75 //float varCalibTranslation;
76 //
78 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
79 //**/
80 //float avgCalibTrackQuality;
81 //
83 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
84 //**/
85 //float avgCalibDetectQuality;
86
88 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new calibration frame.
89 //**/
90 //float calib_perc;
91
93 //* In offline mode this value is calculated after processing is finished. In online mode this value is updated for each new estimation frame.
94 //**/
95 //float estim_perc;
96
97 QualityParams()
98 {
99 CalibTrackQuality = 0;
100 EstimTrackQuality = 0;
101 EstimCumulativeRotation = 0;
102 CalibCumulativeRotation = 0;
103 CalibCumulativeTranslation = 0;
104 CalibFramesStatus = 0;
105 EstimFramesStatus = 0;
106 CalibDetectQuality = 0;
107 CalibFramesCount = 0;
108 CalibOutliersCount = 0;
109 CalibDefinedCount = 0;
110 EstimFramesCount = 0;
111
112 }
113
117 float* CalibTrackQuality;
118
122 float* EstimTrackQuality;
123
128 float* EstimCumulativeRotation;
129
133 float* CalibCumulativeRotation;
134
138 float* CalibCumulativeTranslation;
139
143 int CalibFramesCount;
144
148 int CalibOutliersCount;
149
153 int CalibDefinedCount;
154
158 int EstimFramesCount;
159
163 int* CalibFramesStatus;
164
168 int* EstimFramesStatus;
169
173 float* CalibDetectQuality;
174
175 };
176
180 struct VISAGE_DECLSPEC ScreenSpaceGazeData
181 {
187 int index;
188
192 float x;
193
197 float y;
198
211 int inState;
212
217 float quality;
218
219 bool isFix;
220
221 VsImage* lEyeImage;
222 VsImage* rEyeImage;
223 int usedEye;
224
225 int calibrationGroup;
226 double regularizationWeight;
227
228 ScreenSpaceGazeData();
229 virtual ~ScreenSpaceGazeData();
230 };
231
239 class VISAGE_DECLSPEC ScreenSpaceGazeRepository
240 {
241
242 public:
243 ScreenSpaceGazeRepository();
244 ~ScreenSpaceGazeRepository();
245
249 ScreenSpaceGazeData* Get(int index);
250
254 int GetCount();
255
259 int GetFirst();
260
264 int GetLast();
265
270 void Add(ScreenSpaceGazeData* data);
271
279 void Add(int index, float x, float y);
280
281 void Clear();
282
283
284 private:
285
286 std::vector<ScreenSpaceGazeData*>* repository;
287
288 };
289
290
291 //class ScreenSpaceGazeCalibrator : public ScreenSpaceGazeRepository
292 //{
293 //public:
294 //
295 // ScreenSpaceGazeCalibrator(void);
296 //
297 // void Add(ScreenSpaceGazeData* data);
298 // void Add(int index, float x, float y, int inState);
299 //
300 // ScreenSpaceGazeData* Get(int index);
301 //
302 // int GetCount();
303 //
304 // int GetFirst();
305 //
306 // int GetLast();
307 //
308 // void Clear();
309 //
310 //
311 //private:
312 //
313 // std::vector<ScreenSpaceGazeData*> repository;
314 //
315 //};
316 }
317 #endif
VisageSDK::QualityParams::CalibDetectQuality
float * CalibDetectQuality
Array holding detection quality for each calibration frame.
Definition: TrackerGazeCalibrator.h:173
VisageSDK::QualityParams::EstimCumulativeRotation
float * EstimCumulativeRotation
Array holding cumulative head rotation for each estimation frame.
Definition: TrackerGazeCalibrator.h:128
VisageSDK::ScreenSpaceGazeData::y
float y
Y coordinate of screen space gaze normalized to screen height.
Definition: TrackerGazeCalibrator.h:197
VisageSDK::ScreenSpaceGazeData::quality
float quality
The frame level gaze tracking quality.
Definition: TrackerGazeCalibrator.h:217
VisageSDK::QualityParams::CalibCumulativeRotation
float * CalibCumulativeRotation
Array holding cumulative head rotation for each calibration frame.
Definition: TrackerGazeCalibrator.h:133
VisageSDK::QualityParams::CalibTrackQuality
float * CalibTrackQuality
Array holding tracking quality for each calibration frame.
Definition: TrackerGazeCalibrator.h:117
VisageSDK::QualityParams::CalibCumulativeTranslation
float * CalibCumulativeTranslation
Array holding cumulative head translation for each calibration frame.
Definition: TrackerGazeCalibrator.h:138
VisageSDK::QualityParams::QualityParams
QualityParams()
Estimated quality of calibration.
Definition: TrackerGazeCalibrator.h:97
VisageSDK::QualityParams::EstimFramesStatus
int * EstimFramesStatus
Array holding tracking status for each estimation frame.
Definition: TrackerGazeCalibrator.h:168
VisageSDK::QualityParams::CalibDefinedCount
int CalibDefinedCount
Number of defined calibration frames,.
Definition: TrackerGazeCalibrator.h:153
VisageSDK::QualityParams::EstimFramesCount
int EstimFramesCount
Number of estimation frames.
Definition: TrackerGazeCalibrator.h:158
VisageSDK::ScreenSpaceGazeRepository
Data repository holding ScreenSpaceGazeData objects in offline screen space gaze tracking mode...
Definition: TrackerGazeCalibrator.h:239
VisageSDK::ScreenSpaceGazeData
ScreenSpaceGazeData is a container structure used to hold the gaze point location, current state of screen space gaze tracking system and gaze tracking estimation quality parameters for the current frame.
Definition: TrackerGazeCalibrator.h:180
VisageSDK::QualityParams::CalibFramesCount
int CalibFramesCount
Total number of defined or undefined calibration frames.
Definition: TrackerGazeCalibrator.h:143
VisageSDK::ScreenSpaceGazeData::index
int index
Index of the video frame.
Definition: TrackerGazeCalibrator.h:187
VisageSDK::ScreenSpaceGazeData::x
float x
X coordinate of screen space gaze normalized to screen width.
Definition: TrackerGazeCalibrator.h:192
VisageSDK::QualityParams::CalibFramesStatus
int * CalibFramesStatus
Array holding tracking status for each calibration frame.
Definition: TrackerGazeCalibrator.h:163
VisageSDK::QualityParams::CalibOutliersCount
int CalibOutliersCount
Number of defined calibration frames discarded from calibration.
Definition: TrackerGazeCalibrator.h:148
VisageSDK::QualityParams::EstimTrackQuality
float * EstimTrackQuality
Array holding tracking quality for each estimation frame.
Definition: TrackerGazeCalibrator.h:122
VisageSDK::ScreenSpaceGazeData::inState
int inState
Flag indicating the state of the gaze estimator for the current frame.
Definition: TrackerGazeCalibrator.h:211
VisageSDK::QualityParams
QualityParams is container structure used to hold a number of parameters related to estimating screen...
Definition: TrackerGazeCalibrator.h:42
VsImage
Image store container.
Definition: vs_core_types_c.h:460