/*! \fn FaceDetectorPlugin::checkZone(Zone *zone, const Image *zmImage)
* \param zone is a zone where faces will be detected
* \param zmImage is an image to perform face detection (in the form of ZM' Image)
* \return true if there were objects detected in given image and
* false otherwise
*/
bool FaceDetectorPlugin::checkZone(Zone *zone, const Image *zmImage)
{
//log(LOG_DEBUG, "Entering checkZone.");
double score;
Polygon zone_polygon = Polygon(zone->GetPolygon()); // Polygon of interest of the processed zone.
//char szMessage[50];
//sprintf(szMessage, "Polygon of the zone has %d vertices.", zone_polygon.getNumCoords());
//log(LOG_WARNING, szMessage);
//zone->ResetStats();
/*
log(LOG_WARNING, "precheck");
if ( !zone->CheckOverloadCount() )
{
log(LOG_WARNING, "CheckOverloadCount() return false, we'll return false.");
return(false);
}
*/
//zmLoadConfig();
// An image for highlighting detected objects.
Image *pMaskImage = new Image(zmImage->Width(), zmImage->Height(), ZM_COLOUR_GRAY8, ZM_SUBPIX_ORDER_NONE );
pMaskImage->Fill(BLACK);
//log(LOG_WARNING, "FILLBLACK.");
// An temporary image in the form of ZM for making from it CvMat.
// If don't use temp image, after rgb->bgr it will change.
Image *tempZmImage = new Image(*zmImage);
CvMat* cvInputImage = NULL;
CvMat* pScaledImage = NULL;
bool bDoResizing = (m_fImageScaleFactor != 1.0); // resize image or not
if (tempZmImage->Colours() == ZM_COLOUR_GRAY8)
{
// if image is not colored, create an one-channel CvMat.
cvInputImage = cvCreateMat(tempZmImage->Height(), tempZmImage->Width(), CV_8UC1);
unsigned char *buffer = (unsigned char*)tempZmImage->Buffer();
cvSetData(cvInputImage, buffer, tempZmImage->Width());
}
// NEXTIME XXX TODO: manage also 32 bit images!
else
{
// otherwise create a three-channel CvMat and then convert colors from RGB to BGR.
cvInputImage = cvCreateMat(tempZmImage->Height(), tempZmImage->Width(), CV_8UC3);
unsigned char *buffer = (unsigned char*)tempZmImage->Buffer();
cvSetData(cvInputImage, buffer, tempZmImage->Width() * 3);
cvCvtColor(cvInputImage, cvInputImage, CV_RGB2BGR);
}
if (bDoResizing)
{
int nNewWidth = int (m_fImageScaleFactor * zmImage->Width());
int nNewHeight = int (m_fImageScaleFactor * tempZmImage->Height());
int nImageElemType = cvGetElemType(cvInputImage);
pScaledImage = cvCreateMat(nNewHeight, nNewWidth, nImageElemType);
cvResize(cvInputImage, pScaledImage, CV_INTER_LINEAR);
}
//Process image
vector<CvRect> foundObjects;
if (bDoResizing)
foundObjects = _opencvHaarDetect(pScaledImage);
else
foundObjects = _opencvHaarDetect(cvInputImage);
if (foundObjects.size() > 0)
log(LOG_INFO, "OBJECTS WERE DETECTED");
score = 0;
for (vector<CvRect>::iterator it = foundObjects.begin(); it < foundObjects.end(); it++)
{
// Process found objects.
// Scale object's coordinates back if image has been scaled.
int x1 = int(it->x/m_fImageScaleFactor), x2 = int((it->x + it->width)/m_fImageScaleFactor), y1 = int(it->y/m_fImageScaleFactor), y2 = int((it->y + it->height)/m_fImageScaleFactor);
// Check if object's rectangle is inside zone's polygon of interest.
Coord rectVertCoords[4] = {Coord(x1, y1), Coord(x1, y2), Coord(x2, y1), Coord(x2, y2)};
int nNumVertInside = 0;
for (int i = 0; i < 4; i++)
{
nNumVertInside += zone_polygon.isInside(rectVertCoords[i]);
}
if (nNumVertInside < 3)
// if at least three rectangle coordinates are inside polygon, consider rectangle as belonging to the zone
// otherwise process next object
continue;
// Fill a box with object in the mask
Box *faceBox = new Box(x1, y1, x2, y2);
pMaskImage->Fill(WHITE, faceBox);
// Calculate score as portion of object area in the image
score += (100.0*(it->width)*(it->height)/m_fImageScaleFactor/m_fImageScaleFactor)/zone_polygon.Area();
delete faceBox;
}
if (score == 0)
{
//log(LOG_DEBUG, "No objects found. Exit.");
delete pMaskImage;
delete tempZmImage;
if (cvInputImage)
cvReleaseMat(&cvInputImage);
if (pScaledImage)
cvReleaseMat(&pScaledImage);
return( false );
}
if ( m_fMinAlarmScore && ( score < m_fMinAlarmScore) )
{
delete pMaskImage;
delete tempZmImage;
if (cvInputImage)
cvReleaseMat(&cvInputImage);
if (pScaledImage)
cvReleaseMat(&pScaledImage);
return( false );
}
if ( m_fMaxAlarmScore && (score > m_fMaxAlarmScore) )
{
zone->SetOverloadCount(zone->GetOverloadFrames());
delete pMaskImage;
delete tempZmImage;
if (cvInputImage)
cvReleaseMat(&cvInputImage);
if (pScaledImage)
cvReleaseMat(&pScaledImage);
return( false );
}
zone->SetScore(max(1, (int)score));
//Get mask by highlighting contours of objects and overlaying them with previous contours.
Rgb alarm_colour = RGB_GREEN;
Image *hlZmImage = pMaskImage->HighlightEdges(alarm_colour, ZM_COLOUR_RGB24,
ZM_SUBPIX_ORDER_RGB, &zone_polygon.Extent());
if (zone->Alarmed())
{
// if there were previous detection and they have already set up alarm image
// then overlay it with current mask
Image* pPrevZoneMask = new Image(*(zone->AlarmImage()));
pPrevZoneMask->Overlay(*hlZmImage);
zone->SetAlarmImage(pPrevZoneMask);
delete pPrevZoneMask;
}
else
zone->SetAlarmImage(hlZmImage);
delete pMaskImage;
delete hlZmImage;
delete tempZmImage;
if (cvInputImage)
cvReleaseMat(&cvInputImage);
if (pScaledImage)
cvReleaseMat(&pScaledImage);
//log(LOG_DEBUG, "Leaving checkZone.");
return true;
}
/*! \fn ANPRPlugin::checkZone(Zone *zone, const Image *zmImage)
* \param zone is a zone where faces will be detected
* \param zmImage is an image to perform face detection (in the form of ZM' Image)
* \return true if there were objects detected in given image and
* false otherwise
*/
bool ANPRPlugin::checkZone(Zone *zone, const Image *zmImage)
{
double score;
Polygon zone_polygon = Polygon(zone->GetPolygon()); // Polygon of interest of the processed zone.
Image *pMaskImage = new Image(zmImage->Width(), zmImage->Height(), ZM_COLOUR_GRAY8, ZM_SUBPIX_ORDER_NONE );
pMaskImage->Fill(BLACK);
// An temporary image in the form of ZM for making from it CvMat.
// If don't use temp image, after rgb->bgr it will change.
Image *tempZmImage = new Image(*zmImage);
int imgtype=CV_8UC1;
if (tempZmImage->Colours() == ZM_COLOUR_RGB24)
imgtype=CV_8UC3;
Mat cvInputImage = Mat(
tempZmImage->Height(),
tempZmImage->Width(),
imgtype, (unsigned char*)tempZmImage->Buffer()).clone();
//Mat cvInputImage = cvtmpInputImage.reshape(0, tempZmImage->Colours());
//Mat cvInputImage = cvtmpInputImage.reshape(0, tempZmImage->Height());
if (tempZmImage->Colours() == ZM_COLOUR_RGB24)
{
cvtColor(cvInputImage, cvInputImage, CV_RGB2BGR);
}
//imwrite("/tmp/sarca.jpg", cvInputImage);
//Process image
liprec::LiPRec plateDetector;
liprec::PlatesImage plates;
plateDetector.detectPlates(cvInputImage, &plates);
score = 0;
if(plates.plates.size() > 0) {
log(LOG_INFO, "PLATES WERE DETECTED");
for(unsigned int i=0;i<plates.plates.size();i++) {
// Check if object's rectangle is inside zone's polygon of interest.
int x1 = plates.plates[i].rect.x, x2 = int(plates.plates[i].rect.x+plates.plates[i].rect.width);
int y1 = plates.plates[i].rect.y, y2 = int(plates.plates[i].rect.y+plates.plates[i].rect.height);
Coord rectVertCoords[4] = {Coord(x1, y1), Coord(x1, y2), Coord(x2, y1), Coord(x2, y2)};
int nNumVertInside = 0;
for (int p = 0; p < 4; p++)
{
nNumVertInside += zone_polygon.isInside(rectVertCoords[p]);
}
if (nNumVertInside < 3)
// if at least three rectangle coordinates are inside polygon,
// consider rectangle as belonging to the zone
// otherwise process next object
continue;
log(LOG_INFO, plates.plates[i].platetxt);
// Fill a box with object in the mask
Box *plateBox = new Box(x1, y1, x2, y2);
pMaskImage->Fill(WHITE, plateBox);
score=m_nAlarmScore;
delete plateBox;
}
}
if (score == 0)
{
//log(LOG_DEBUG, "No objects found. Exit.");
delete pMaskImage;
delete tempZmImage;
// XXX We need to delete Mats?
return( false );
}
/*
else
{
zone->SetOverloadCount(zone->GetOverloadFrames());
delete pMaskImage;
delete tempZmImage;
return( false );
}*/
zone->SetScore((int)score);
//Get mask by highlighting contours of objects and overlaying them with previous contours.
Rgb alarm_colour = RGB_GREEN;
Image *hlZmImage = pMaskImage->HighlightEdges(alarm_colour, ZM_COLOUR_RGB24,
ZM_SUBPIX_ORDER_RGB, &zone_polygon.Extent());
if (zone->Alarmed())
{
// if there were previous detection and they have already set up alarm image
// then overlay it with current mask
Image* pPrevZoneMask = new Image(*(zone->AlarmImage()));
pPrevZoneMask->Overlay(*hlZmImage);
zone->SetAlarmImage(pPrevZoneMask);
delete pPrevZoneMask;
}
else
zone->SetAlarmImage(hlZmImage);
delete pMaskImage;
delete hlZmImage;
delete tempZmImage;
return true;
}
