//get position of pupils
void getEyeVectors(Mat &frame, Mat &frame_gray, Rect face) {
Mat face_frame = frame_gray(face);
Mat face_frame_color = frame(face);
//blur to remove some noise
GaussianBlur(face_frame, face_frame, Size( 0, 0 ), FACE_SMOOTH * face.width);
//get eye bounding boxes
int eye_region_width = face.width * (EYE_WIDTH);
int eye_region_height = face.width * (EYE_HEIGHT);
int eye_region_top = face.height * (EYE_TOP);
int eye_region_side =face.width * (EYE_SIDE);
Rect left_eye_box(
eye_region_side,
eye_region_top,
eye_region_width,
eye_region_height
);
Rect right_eye_box(
face.width - eye_region_width - eye_region_side,
eye_region_top,
eye_region_width,
eye_region_height
);
//get left center / eye corner
CvPoint2D32f left_pupil, left_center;
Mat left_eye = face_frame(left_eye_box);
left_pupil = getPupilCenter(left_eye);
left_center = getEyeCenter(face_frame_color, left_eye_box);
//fix offset
left_pupil.x += eye_region_side;
left_pupil.y += eye_region_top;
left_center.x += eye_region_side;
left_center.y += eye_region_top;
//get right center / eye corner
CvPoint2D32f right_pupil, right_center;
Mat right_eye = face_frame(right_eye_box);
right_pupil = getPupilCenter(right_eye);
right_center = getEyeCenter(face_frame_color, right_eye_box);
//fix offset
right_pupil.x += face.width - eye_region_width - eye_region_side;
right_pupil.y += eye_region_top;
right_center.x += face.width - eye_region_width - eye_region_side;
right_center.y += eye_region_top;
circle(face_frame, left_pupil, 2, 200);
circle(face_frame, right_pupil, 2, 200);
//circle(face_frame, left_center, 3, 200);
//circle(face_frame, right_center, 3, 200);
//resize for debugging
//resize(face_frame, face_frame, Size(500,500), 0, 0, INTER_NEAREST);
//imshow("cam", face_frame);
//Point left_vec = left_corner - left_pupil;
//printf("x: %d, y: %d\n", left_vec.x, left_vec.y);
}
vector<Point> InputProcessing::getFeatures(Mat gray) {
vector<Point> features;
Rect face = getFacePosition(gray);
if (face.width == 0) {
return features;
}
Rect leftEye = getLeftEyePosition(gray, face);
Rect rightEye = getRightEyePosition(gray, face);
if (leftEye.width == 0 || rightEye.width == 0) {
return features;
}
features.push_back(getLeftEyeCorner(gray, rightEye));
features.push_back(getEyeCenter(gray, rightEye));
features.push_back(getRightEyeCorner(gray, rightEye));
features.push_back(getLeftEyeCorner(gray, leftEye));
features.push_back(getEyeCenter(gray, leftEye));
features.push_back(getRightEyeCorner(gray, leftEye));
if (features.size() < 6) {
features.clear();
return features;
}
if (features[0].x == -1 || features[1].x == -1
|| features[2].x == -1 || features[3].x == -1
|| features[4].x == -1 || features[5].x == -1) {
features.clear();
}
return features;
}
