Added ratio of number of segments to segmentation evaluation measures

jpauwels · Oct 7, 2015 · 178cf1c · 178cf1c
1 parent b31c230
commit 178cf1c
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Showing 3 changed files with 7 additions and 0 deletions.
diff --git a/MusOOEvaluator.cpp b/MusOOEvaluator.cpp
@@ -808,6 +808,7 @@ int main(int inNumOfArguments,char* inArguments[])
         theOutputFile << "Duration of evaluated segments: " << theSegmentationEvaluation.calcTotalDuration() << " s" << endl;
         theOutputFile << "Average number of reference segments: " << theSegmentationEvaluation.calcAverageNumRefSegments() << endl;
         theOutputFile << "Average number of test segments: " << theSegmentationEvaluation.calcAverageNumTestSegments() << endl;
+        theOutputFile << "Average ratio of number of segments: " << theSegmentationEvaluation.calcAverageSegmentsRatio() << endl;
         theOutputFile << "Average combined Hamming measure (worst): " << theSegmentationEvaluation.calcAverageCombinedHammingMeasureWorst() << endl;
         theOutputFile << "Average combined Hamming measure (harmonic): " << theSegmentationEvaluation.calcAverageCombinedHammingMeasureHarmonic() << endl;
         theOutputFile << "Average under-segmentation: " << theSegmentationEvaluation.calcAverageUnderSegmentation() << endl;

diff --git a/SegmentationEvaluation.cpp b/SegmentationEvaluation.cpp
@@ -165,6 +165,11 @@ const double SegmentationEvaluation::calcAverageNumTestSegments() const
     return std::accumulate(m_NumTestSegments.begin(), m_NumTestSegments.end(), 0.) / static_cast<double>(m_NumTestSegments.size());
 }
 
+const double SegmentationEvaluation::calcAverageSegmentsRatio() const
+{
+    return std::inner_product(m_NumTestSegments.begin(), m_NumTestSegments.end(), m_NumRefSegments.begin(), 0., std::plus<double>(), std::divides<double>()) / static_cast<double>(m_NumTestSegments.size());
+}
+
 const double SegmentationEvaluation::calcAverageUnderSegmentation() const
 {
     return std::accumulate(m_MissedBoundaries.begin(), m_MissedBoundaries.end(), static_cast<double>(m_MissedBoundaries.size()), std::minus<double>()) / m_MissedBoundaries.size();

diff --git a/SegmentationEvaluation.h b/SegmentationEvaluation.h
@@ -38,6 +38,7 @@ class SegmentationEvaluation
     const double calcTotalDuration() const;
     const double calcAverageNumRefSegments() const;
     const double calcAverageNumTestSegments() const;
+    const double calcAverageSegmentsRatio() const;
     const double calcAverageUnderSegmentation() const;
     const double calcWeightedAverageUnderSegmentation() const;
     const double calcAverageOverSegmentation() const;