deletions | additions       diff --git a/chapter_Background_and_Related_Work__.tex b/chapter_Background_and_Related_Work__.tex  index 3c27ad8..65bdbc1 100644  --- a/chapter_Background_and_Related_Work__.tex  +++ b/chapter_Background_and_Related_Work__.tex 
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background knowledge for later chapters, concerning feature detection,  image matching, and textons will be introduced.  \section{Indoor \section{Vision-based  Localization Methods} \subsection{Fiducial Markers}  \label{sec:fiducialmarkers}