| void Impala::Core::Tracking::TrackerBackFore::NewPosition | ( | int | left, | |
| int | top, | |||
| int | right, | |||
| int | bottom | |||
| ) | [inline, private] |
basically starts a new track by resetting the position
Definition at line 291 of file TrackerBackFore.h.
References Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::CH(), ComputeBackgroundResponse(), Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::CW(), FormBackground(), Impala::Core::Geometry::Rectangle::Height(), mBackMaxPoints, Impala::Core::Geometry::Rectangle::mBottom, mClassifier, mDimensionality, mFilterSize, mInput, Impala::Core::Geometry::Rectangle::mLeft, mPosition, Impala::Core::Geometry::Rectangle::mRight, mSampleOffset, mSampleSpacing, mSearchKernel, mStats, Impala::Core::Geometry::Rectangle::mTop, Impala::Core::Geometry::PointZ::mX, Impala::Core::Geometry::PointZ::mY, Impala::Util::TimeStats::Reset(), Impala::Core::Tracking::Classifier::SetBackground(), SetForeground(), and Impala::Core::Geometry::Rectangle::Width().
Referenced by Initialize().
00292 { 00293 mStats.Reset(); 00294 00295 // clip against the image 00296 if (left < 0) 00297 left = 0; 00298 if (top < 0) 00299 top = 0; 00300 if (right >= mInput->CW()) 00301 right = mInput->CW() - 1; 00302 if (bottom >= mInput->CH()) 00303 bottom = mInput->CH() - 1; 00304 00305 mPosition.mLeft = left; 00306 mPosition.mTop = top; 00307 mPosition.mRight = right; 00308 mPosition.mBottom = bottom; 00309 mSampleOffset.mX = ((mPosition.Width() % mSampleSpacing) + mSampleSpacing) / 2; 00310 mSampleOffset.mY = ((mPosition.Height() % mSampleSpacing) + mSampleSpacing) / 2; 00311 00312 FormBackground(); 00313 if(mSearchKernel) 00314 delete mSearchKernel; 00315 00316 int w = mPosition.Width() / mSampleSpacing; 00317 int h = mPosition.Height() / mSampleSpacing; 00318 mSearchKernel = 00319 new Array::Array2dVec3Real64(mFilterSize + (w-1)*mSampleSpacing, 00320 mFilterSize + (h-1)*mSampleSpacing, 0, 0); 00321 00322 // this intialises the classifier 00323 SetForeground(); 00324 Array::Array2dScalarReal64 background(mDimensionality, mBackMaxPoints, 0, 0); 00325 ComputeBackgroundResponse(background); 00326 mClassifier->SetBackground(background); 00327 }
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