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worked on introduction, realted-work and system

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FrankE
2016-02-14 13:42:35 +01:00
parent 8dcedb3e97
commit 6e5de8e5ec
4 changed files with 108 additions and 84 deletions
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tex/chapters/introduction.tex
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@@ -37,11 +37,10 @@ The discrete model prevents the barometer's full potential.
It could further be shown that a correct estimation strongly depends on the quality of $z$-transitions.
To address this problem we extended the graph by adding realistic stairs, allowing a step-wise transition in the $z$-direction.
Second, the heading for modelling the pedestrian's walking behaviour is calculated between two adjacent nodes.
This restricts the transition to perform only discrete \SI{45}{\degree} turns. In most scenarios this assumption performs
well, since the... However, walking sharp turns and ... is not
\commentByToni{Ich denke hier kann Frank E. noch bissle was schreiben, oder?}
\commentByFrank{ja das werde ich noch anpassen, dass es stimmt und die probleme beschreibt}
Second, the heading for modelling the pedestrian's walking behaviour is calculated between two adjacent nodes
and restricts the transition to perform only discrete \SI{45}{\degree} turns. While this is sufficient
for most cases, minor heading changes are often ignored and the posterior distribution (after walking)
is not smoothly spread.
To improve the complex problem of localising a person indoors, prior knowledge given by a navigation system can be used.
Such applications are used to navigate a user to his desired destination.