void SmilesApp::detectSmiles(const RImage<float> &pixels)
{
mFaces.clear();
// Find Smiles
if( mMPSmile->findSmiles( pixels, mFaces, 1.00, wt_avg ) ){
//console() << " findSmiles error " << endl;
return;
}
mSmileResponse = 0;
// The result is in faces(VisualObject).
if(!mFaces.empty()) {
for(list<VisualObject *>::iterator it = mFaces.begin(); it != mFaces.end(); ++it) {
mFace = static_cast<FaceObject*>(*it);
mSmileResponse = mFace->activation;
mSmileResponse = max( 0.0f, min( mSmileResponse, mSmileLimit ) ) / mSmileLimit;
}
//console() << mFaces.size() << " faces detected!" << endl;
}else{
//console() << " no faces detected " << endl;
}
mSmileAverage[mSmileAverageIndex] = mSmileResponse;
mSmileAverageIndex++;
if(mSmileAverageIndex>=mSmileAverageNumOfFrames)mSmileAverageIndex=0;
float smileSum = 0;
for(int i=0;i<mSmileAverageNumOfFrames;i++){
smileSum += mSmileAverage[i];
}
mSmileThreshold = smileSum/mSmileAverageNumOfFrames;
}
void SmilesApp::draw()
{
gl::enableAlphaBlending();
gl::clear( Color::black() );
gl::color(1.0f, 1.0f, 1.0f);
// draw webcam capture
if( !mCapture || !mSurface )
return;
gl::draw( gl::Texture(mSurface) );
if(mGreyChannel){
gl::pushMatrices();{
gl::translate(mSmileRect.getUpperLeft());
gl::draw( gl::Texture(mGreyChannel) );
}gl::popMatrices();
}
// draw rect that actually gets analysed:
gl::color(ColorA(0.0f, 1.0f, 0.0f, 1.0f));
gl::drawStrokedRect(mSmileRect);
gl::drawStrokedCircle(mSmileRect.getUpperLeft(), 10);
gl::drawStrokedCircle(mSmileRect.getUpperRight(), 10);
gl::drawStrokedCircle(mSmileRect.getLowerLeft(), 10);
gl::drawStrokedCircle(mSmileRect.getLowerRight(), 10);
//draw mSmileThreshold
gl::pushMatrices();{
gl::color(ColorA(1.0f, 0.0f, 0.0f, 0.3f));
gl::drawSolidRect(Rectf( 0, (1-mSmileThreshold)*getWindowHeight(), getWindowWidth(), getWindowHeight() ) );
gl::drawStrokedRect( Rectf(0, 0, getWindowWidth(), getWindowHeight() ) );
}gl::popMatrices();
//draw faces
if(!mFaces.empty()){
gl::pushMatrices();{
gl::translate(mSmileRect.getUpperLeft());
gl::color(1.0f, 1.0f, 1.0f);
for(list<VisualObject *>::iterator it = mFaces.begin(); it != mFaces.end(); ++it) {
mFace = static_cast<FaceObject*>(*it);
gl::drawStrokedRect(Rectf(mFace->x, mFace->y, mFace->x+mFace->xSize, mFace->y+mFace->ySize ));
}
}gl::popMatrices();
}
mParams.draw();
}
