Merge pull request #16897 from mshabunin:fix-kw-issues-2

2020-03-24 10:48:40 +00:00 · 2020-03-24 10:48:40 +00:00 · a28a520c7f
commit a28a520c7f
parent f44a0960df 0aac17d9f7
1 changed files with 1 additions and 0 deletions
--- a/modules/calib3d/src/dls.cpp
+++ b/modules/calib3d/src/dls.cpp
@ -653,6 +653,7 @@ bool dls::is_empty(const cv::Mat * M)

 bool dls::positive_eigenvalues(const cv::Mat * eigenvalues)
 {
+    CV_Assert(eigenvalues && !eigenvalues->empty());
    cv::MatConstIterator_<double> it = eigenvalues->begin<double>();
    return *(it) > 0 && *(it+1) > 0 && *(it+2) > 0;
 }