void FaceDet::DetectFaces_( // call once per image to find all the faces
const Image& img, // in: the image (grayscale)
const char* imgpath, // in: used only for debugging
bool multiface, // in: if false, want only the best face
int minwidth, // in: min face width as percentage of img width
void* user, // in: unused (match virt func signature)
cv::CascadeClassifier cascade)
{
(void) imgpath;
(void) user;
DetectFaces(detpars_, img, minwidth, cascade);
DiscardMissizedFaces(detpars_);
if (multiface) // order faces on increasing distance from left margin
{
sort(detpars_.begin(), detpars_.end(), IncreasingLeftMargin);
}
else
{
// order faces on decreasing width, keep only the first (the largest face)
sort(detpars_.begin(), detpars_.end(), DecreasingWidth);
if (NSIZE(detpars_))
detpars_.resize(1);
}
iface_ = 0; // next invocation of NextFace_ must get first face
}
void FaceDet::DetectFaces_( // call once per image to find all the faces
const Image& img, // in: the image (grayscale)
const char* imgpath, // in: used only for debugging
bool multiface, // in: if false, want only the best face
int minwidth, // in: min face width as percentage of img width
void* user) // in: unused (match virt func signature)
{
CV_Assert(user == NULL);
DetectFaces(detpars_, img, minwidth);
char tracepath[SLEN];
sprintf(tracepath, "%s_00_unsortedfacedet.bmp", Base(imgpath));
TraceFaces(detpars_, img, tracepath);
DiscardMissizedFaces(detpars_);
if (multiface) // order faces on increasing distance from left margin
{
sort(detpars_.begin(), detpars_.end(), IncreasingLeftMargin);
sprintf(tracepath, "%s_05_facedet.bmp", Base(imgpath));
TraceFaces(detpars_, img, tracepath);
}
else
{
// order faces on decreasing width, keep only the first (the largest face)
sort(detpars_.begin(), detpars_.end(), DecreasingWidth);
sprintf(tracepath, "%s_05_sortedfaces.bmp", Base(imgpath));
TraceFaces(detpars_, img, tracepath);
if (NSIZE(detpars_))
detpars_.resize(1);
}
iface_ = 0; // next invocation of NextFace_ must get first face
}
void FaceDet::DetectFaces_( // call once per image to find all the faces
const Image& img, // in: the image (grayscale)
const char*, // in: unused (match virt func signature)
bool multiface, // in: if false, want only the best face
int minwidth, // in: min face width as percentage of img width
void* user) // in: unused (match virt func signature)
{
CV_Assert(user == NULL);
CV_Assert(!facedet_g.empty()); // check that OpenFaceDetector_ was called
DetectFaces(detpars_, img, minwidth);
TraceFaces(detpars_, img, "facedet_BeforeDiscardMissizedFaces.bmp");
DiscardMissizedFaces(detpars_);
TraceFaces(detpars_, img, "facedet_AfterDiscardMissizedFaces.bmp");
if (multiface) // order faces on increasing distance from left margin
{
sort(detpars_.begin(), detpars_.end(), IncreasingLeftMargin);
TraceFaces(detpars_, img, "facedet.bmp");
}
else
{
// order faces on decreasing width, keep only the first (the largest face)
sort(detpars_.begin(), detpars_.end(), DecreasingWidth);
TraceFaces(detpars_, img, "facedet.bmp");
if (NSIZE(detpars_))
detpars_.resize(1);
}
iface_ = 0; // next invocation of NextFace_ must get first face
}