static void DrawFeat( // draw eye (or mouth) at index i in the eyes vec
CImage& img, // io
int i, // in
const vec_Rect& eyes, // in
unsigned col, // in
int linewidth, // in
bool best) // in: true if this is the best eye
{
double x, y; RectToImgFrame(x, y, eyes[i]);
Rect rect;
rect.x = cvRound(x - eyes[i].width / 2);
rect.y = cvRound(y - eyes[i].height / 2);
rect.width = eyes[i].width;
rect.height = eyes[i].height;
if (!best)
col = Dark(col);
DrawRect(img, rect, col, linewidth);
cv::circle(img, cv::Point(cvRound(x), cvRound(y)),
(best? 2: 1) * linewidth, ToCvColor(col), linewidth);
}
void DetectEyesAndMouth( // use OpenCV detectors to find the eyes and mouth
DetPar& detpar, // io: eye and mouth fields updated, other fields untouched
const Image& img) // in: ROI around face (already rotated if necessary)
{
#if TRACE_IMAGES
CImage cimg;
cvtColor(img, cimg, CV_GRAY2BGR);
DesaturateImg(cimg);
#endif
const Rect facerect(cvRound(detpar.x - detpar.width/2),
cvRound(detpar.y - detpar.height/2),
cvRound(detpar.width),
cvRound(detpar.height));
// possibly get the eyes
detpar.lex = detpar.ley = INVALID; // mark eyes as unavailable
detpar.rex = detpar.rey = INVALID;
vec_Rect leyes, reyes;
int ileft_best = -1, iright_best = -1; // index into leyes and reyes vecs
if (!leye_det_g.empty()) // need the eyes? (depends on model estart field)
{
DetectAllEyes(leyes, reyes,
img, detpar.eyaw, facerect);
SelectEyes(ileft_best, iright_best, // indices of best left and right eye
detpar.eyaw, leyes, reyes, EyeInnerRect(detpar.eyaw, facerect));
#if TRACE_IMAGES
DrawEyes(cimg,
leyes, reyes, ileft_best, iright_best, facerect, detpar.eyaw);
#endif
if (ileft_best >= 0) // left eye valid?
RectToImgFrame(detpar.lex, detpar.ley,
leyes[ileft_best]);
if (iright_best >= 0) // right eye valid?
RectToImgFrame(detpar.rex, detpar.rey,
reyes[iright_best]);
}
// possibly get the mouth
detpar.mouthx = detpar.mouthy = INVALID; // mark mouth as unavailable
int imouth_best = -1; // index into mouths vector
if (!mouth_det_g.empty()) // need the mouth? (depends on model estart field)
{
const Rect mouth_searchrect(
MouthSearchRect(facerect, detpar.eyaw,
ileft_best, iright_best, leyes, reyes));
vec_Rect mouths;
DetectAllMouths(mouths,
img, facerect, mouth_searchrect);
if (!mouths.empty())
{
SelectMouth(imouth_best, // get index of best mouth
ileft_best, iright_best, leyes, reyes, mouths,
facerect,
mouth_searchrect,
MouthInnerRect(facerect, detpar.eyaw,
ileft_best, iright_best, leyes, reyes));
if (imouth_best >= 0) // mouth valid?
{
TweakMouthPosition(mouths,
leyes, reyes, ileft_best, iright_best,
imouth_best, detpar);
RectToImgFrame(detpar.mouthx, detpar.mouthy,
mouths[imouth_best]);
}
}
#if TRACE_IMAGES
DrawMouths(cimg,
mouths, imouth_best, facerect,
detpar.eyaw, ileft_best, iright_best, leyes, reyes);
#endif
}
#if TRACE_IMAGES
TraceEyeMouthImg(cimg, detpar, ileft_best, iright_best, imouth_best);
#endif
}
void DetectEyesAndMouth( // use OpenCV detectors to find the eyes and mouth
DetPar& detpar, // io: eye and mouth fields updated, other fields untouched
const Image& img) // in: ROI around face (already rotated if necessary)
{
Rect facerect(cvRound(detpar.x - detpar.width/2),
cvRound(detpar.y - detpar.height/2),
cvRound(detpar.width),
cvRound(detpar.height));
// possibly get the eyes
detpar.lex = detpar.ley = INVALID; // mark eyes as unavailable
detpar.rex = detpar.rey = INVALID;
vec_Rect leyes, reyes;
int ileft_best = -1, iright_best = -1; // indices into leyes and reyes
if (!leye_det_g.empty()) // do we need the eyes? (depends on model estart field)
{
DetectAllEyes(leyes, reyes,
img, detpar.eyaw, facerect);
SelectEyes(ileft_best, iright_best,
detpar.eyaw, leyes, reyes, EyeInnerRect(detpar.eyaw, facerect));
if (ileft_best >= 0)
RectToImgFrame(detpar.lex, detpar.ley,
leyes[ileft_best]);
if (iright_best >= 0)
RectToImgFrame(detpar.rex, detpar.rey,
reyes[iright_best]);
}
// possibly get the mouth
detpar.mouthx = detpar.mouthy = INVALID; // mark mouth as unavailable
if (!mouth_det_g.empty()) // do we need the mouth? (depends on model estart field)
{
vec_Rect mouths;
DetectAllMouths(mouths,
img, detpar.eyaw, facerect,
ileft_best, iright_best, leyes, reyes);
if (!mouths.empty())
{
int imouth_best = -1;
SelectMouth(imouth_best,
ileft_best, iright_best, leyes, reyes, mouths,
MouthInnerRect(facerect, detpar.eyaw,
ileft_best, iright_best, leyes, reyes));
if (imouth_best >= 0)
{
TweakMouthPosition(mouths,
leyes, reyes, ileft_best, iright_best,
imouth_best, detpar);
RectToImgFrame(detpar.mouthx, detpar.mouthy,
mouths[imouth_best]);
}
}
}
}