added empty() method to common features2d classes; fixed #831

2011-01-31 14:18:50 +00:00
parent fa446e7e35
commit 9b4c682623
7 changed files with 112 additions and 19 deletions
--- a/modules/features2d/src/planardetect.cpp
+++ b/modules/features2d/src/planardetect.cpp
@@ -771,6 +771,10 @@ void FernClassifier::clear()
    vector<float>().swap(posteriors);
 }

+bool FernClassifier::empty() const
+{
+    return features.empty();
+}

 int FernClassifier::getLeaf(int fern, const Mat& _patch) const
 {