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Calculate average coefficient values

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This commit is contained in:
David Rowe 2015-05-06 11:38:14 -07:00
parent e1b5e7caf6
commit a6dd08fea8
2 changed files with 16 additions and 2 deletions
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17
interface/src/devices/DdeFaceTracker.cpp
View file

@ -138,7 +138,7 @@ struct Packet {
static const float STARTING_DDE_MESSAGE_TIME = 0.033f; static const float STARTING_DDE_MESSAGE_TIME = 0.033f;
static const quint64 CALIBRATION_SAMPLES = 150; static const int CALIBRATION_SAMPLES = 150;
#ifdef WIN32 #ifdef WIN32
// warning C4351: new behavior: elements of array 'DdeFaceTracker::_lastEyeBlinks' will be default initialized // warning C4351: new behavior: elements of array 'DdeFaceTracker::_lastEyeBlinks' will be default initialized
@ -183,14 +183,15 @@ DdeFaceTracker::DdeFaceTracker(const QHostAddress& host, quint16 serverPort, qui
_filteredEyeBlinks(), _filteredEyeBlinks(),
_lastEyeCoefficients(), _lastEyeCoefficients(),
_isCalibrating(false), _isCalibrating(false),
_calibrationValues(),
_calibrationCount(0), _calibrationCount(0),
_calibrationBillboard(NULL), _calibrationBillboard(NULL),
_calibrationBillboardID(0), _calibrationBillboardID(0),
_calibrationMessage(QString()) _calibrationMessage(QString())
{ {
_coefficients.resize(NUM_FACESHIFT_BLENDSHAPES); _coefficients.resize(NUM_FACESHIFT_BLENDSHAPES);
_blendshapeCoefficients.resize(NUM_FACESHIFT_BLENDSHAPES); _blendshapeCoefficients.resize(NUM_FACESHIFT_BLENDSHAPES);
_calibrationValues.resize(NUM_FACESHIFT_BLENDSHAPES);
_eyeStates[0] = EYE_OPEN; _eyeStates[0] = EYE_OPEN;
_eyeStates[1] = EYE_OPEN; _eyeStates[1] = EYE_OPEN;
@ -558,6 +559,9 @@ void DdeFaceTracker::calibrate() {
_calibrationBillboard->setHeight(CALIBRATION_BILLBOARD_HEIGHT); _calibrationBillboard->setHeight(CALIBRATION_BILLBOARD_HEIGHT);
_calibrationBillboardID = qApp->getOverlays().addOverlay(_calibrationBillboard); _calibrationBillboardID = qApp->getOverlays().addOverlay(_calibrationBillboard);
for (int i = 0; i < NUM_FACESHIFT_BLENDSHAPES; i++) {
_calibrationValues[i] += 0.0f;
}
} }
} }
@ -573,6 +577,10 @@ void DdeFaceTracker::addCalibrationDatum() {
_calibrationBillboard->setText(_calibrationMessage); _calibrationBillboard->setText(_calibrationMessage);
} }
for (int i = 0; i < NUM_FACESHIFT_BLENDSHAPES; i++) {
_calibrationValues[i] += _coefficients[i];
}
_calibrationCount += 1; _calibrationCount += 1;
} }
@ -587,5 +595,10 @@ void DdeFaceTracker::finishCalibration() {
qApp->getOverlays().deleteOverlay(_calibrationBillboardID); qApp->getOverlays().deleteOverlay(_calibrationBillboardID);
_calibrationBillboard = NULL; _calibrationBillboard = NULL;
_isCalibrating = false; _isCalibrating = false;
for (int i = 0; i < NUM_FACESHIFT_BLENDSHAPES; i++) {
_calibrationValues[i] = _calibrationValues[i] / (float)CALIBRATION_SAMPLES;
}
qCDebug(interfaceapp) << "DDE Face Tracker: Calibration finished"; qCDebug(interfaceapp) << "DDE Face Tracker: Calibration finished";
} }

1
interface/src/devices/DdeFaceTracker.h
View file

@ -125,6 +125,7 @@ private:
bool _isCalibrating; bool _isCalibrating;
int _calibrationCount; int _calibrationCount;
QVector<float> _calibrationValues;
TextOverlay* _calibrationBillboard; TextOverlay* _calibrationBillboard;
int _calibrationBillboardID; int _calibrationBillboardID;
QString _calibrationMessage; QString _calibrationMessage;