deletions | additions       diff --git a/Another_idea_if_the_homography__.tex b/Another_idea_if_the_homography__.tex  index c32825c..9a94b82 100644  --- a/Another_idea_if_the_homography__.tex  +++ b/Another_idea_if_the_homography__.tex 
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Another idea---if the homography-based approach is used for  labeling---was to use the amount of detected keypoints as confidence  value. However, again, no linear relation between the two variables  could be found (Figure~\ref{fig:cor_sift_confi}). (Figure~\ref{fig:cor_sim_confi}).  \begin{figure}[h!]  \begin{center}