Impala Documentation

void Impala::Core::VideoSet::ShotSegmenter::Predict ( int predictFrame ) [inline, private]

Definition at line 310 of file ShotSegmenter.h.

References Impala::Core::Vector::ElemMin(), mFeatures, mPredictions, mRadius, mScores, mWindowSize, Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::SetValue(), and Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::Value().

Referenced by HandleNewFrame().

00311     {
00312         int predictBase = predictFrame - mRadius + 1; 
00313         int size = mWindowSize;
00314         if (predictBase < 0)
00315         {
00316             mPredictions->SetValue(0.0, predictFrame, 0);
00317             return;
00318         }
00319         
00320         // Update the feature vector
00321         for (int i=0 ; i<size ; i++)
00322         {
00323             (*mFeatures)[i] = mScores->Value(predictBase + i, 0);
00324         }
00325 
00326         Real64 minScore = Vector::ElemMin(*mFeatures);
00327         if (mFeatures->Elem(mRadius-1) == minScore)
00328         {
00329             mPredictions->SetValue((4.0-minScore) / 2.0, predictFrame, 0);
00330         }
00331         else
00332         {
00333             mPredictions->SetValue(0.0, predictFrame, 0);
00334         }
00335     }

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