generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Implemented Kullback-Leibler divergence

Browse Source
This commit is contained in:
pradeep
2014-05-17 23:44:31 +08:00
parent ada2879faa
commit c5b4b99350
5 changed files with 39 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
modules/imgproc/test/test_histograms.cpp
View File

@@ -948,7 +948,7 @@ int CV_ThreshHistTest::validate_test_results( int /*test_case_idx*/ )
class CV_CompareHistTest : public CV_BaseHistTest
{
public:
enum { MAX_METHOD = 5 };
enum { MAX_METHOD = 6 };
CV_CompareHistTest();
protected:
@@ -1021,6 +1021,12 @@ int CV_CompareHistTest::validate_test_results( int /*test_case_idx*/ )
sq0 += v0*v0;
sq1 += v1*v1;
result0[CV_COMP_BHATTACHARYYA] += sqrt(v0*v1);
if( fabs(v0) > DBL_EPSILON )
{
if( fabs(v1) < DBL_EPSILON )
v1 += 1e-10;
result0[CV_COMP_KL_DIV] += v0 * cv::log( v0 / v1 );
}
}
}
else
@@ -1046,6 +1052,12 @@ int CV_CompareHistTest::validate_test_results( int /*test_case_idx*/ )
s0 += v0;
sq0 += v0*v0;
result0[CV_COMP_BHATTACHARYYA] += sqrt(v0*v1);
if( fabs(v0) > DBL_EPSILON )
{
if( fabs(v1) < DBL_EPSILON )
v1 += 1e-10;
result0[CV_COMP_KL_DIV] += v0 * cv::log( v0 / v1 );
}
}
for( node = cvInitSparseMatIterator( sparse1, &iterator );
@@ -1076,7 +1088,8 @@ int CV_CompareHistTest::validate_test_results( int /*test_case_idx*/ )
i == CV_COMP_CHISQR_ALT ? "Alternative Chi-Square" :
i == CV_COMP_CORREL ? "Correlation" :
i == CV_COMP_INTERSECT ? "Intersection" :
i == CV_COMP_BHATTACHARYYA ? "Bhattacharyya" : "Unknown";
i == CV_COMP_BHATTACHARYYA ? "Bhattacharyya" :
i == CV_COMP_KL_DIV ? "Kullback-Leibler" : "Unknown";
if( cvIsNaN(v) || cvIsInf(v) )
{