deletions | additions       diff --git a/section_Pillar_I_Training_Set__.tex b/section_Pillar_I_Training_Set__.tex  index 46171d5..8cefad0 100644  --- a/section_Pillar_I_Training_Set__.tex  +++ b/section_Pillar_I_Training_Set__.tex 
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move to different environments.  As an alternative, we sought a low-budget and more flexible  solution. While the homography-based approach (Section xxx) (Section~\ref{sec:keypointmatching})  shows high matching quality for non-blurry images, it suffers from lacking robustness to noise  and the high processing time requirements. To exploit the advantages,  and straighten out the disadvantages, we used the approach in a preprocessing