/**
* @brief First Estimation of the fitted shape by scaling only
* @param iShape -- input shape
* @param rect -- the rectangle to calculate the scalar
* @return VO_Shape -- the scaled shape
*/
VO_Shape VO_Fitting2DSM::VO_FirstEstimationByScaling( const VO_Shape& iShape,
const cv::Rect& rect )
{
VO_Shape res = iShape;
cv::Rect_<float> rect0 = iShape.GetShapeRect();
float fScaleX = (float)rect.width/rect0.width *0.80;
float fScaleY = (float)rect.height/rect0.height *0.80;
res.ScaleX(fScaleX);
res.ScaleY(fScaleY);
rect0 = iShape.GetShapeBoundRect();
cv::Mat_<float> translation = cv::Mat_<float>::zeros(2, 1);
float centerX = (float)rect.x + (float)rect.width/2.0f;
float centerY = (float)rect.y + (float)rect.height/2.0f;
float center0X = (float)rect0.x + (float)rect0.width/2.0f;
float center0Y = (float)rect0.x + (float)rect0.height/2.0f;
translation(0,0) = centerX - center0X;
translation(1,0) = centerY - center0Y;
res.Translate( translation );
return res;
}
