From 640615b14ed01963e1fdb5541a5fddcdf79703cf Mon Sep 17 00:00:00 2001 From: toni Date: Sun, 21 Oct 2018 01:19:11 +0200 Subject: [PATCH] activity done... --- tex_review/chapters/experiments.tex | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/tex_review/chapters/experiments.tex b/tex_review/chapters/experiments.tex index 9aa9eed..d154e21 100644 --- a/tex_review/chapters/experiments.tex +++ b/tex_review/chapters/experiments.tex @@ -455,17 +455,13 @@ Is it a complete standstill or should it allow for a certain degree of freedom? The answer is always the same, it depends. As for this museum scenario, the results for detecting the standing activity are not satisfying and a more advanced approach should be considered.} - -\add{The detection rates of up and down sind nicht ganz so schlecht, as the main reason ... -all these changes could be detect with} - - -Finally, it is not possible to derive the smartphone or the user from the recognition rates, which recommends a general use of the approach. - -%das brauchen wir glaub nimmer. das oben ist schon nicht verkehrt. -%\add{The main reason to utilize such a method was to detect floor changes. -%Regardless of the detection rate above, the method is able to detect all floor changes of the conducted walks. -%This was quantified by comparing ob in JEDEM ground truth interval min. 75 prozent korrekt erkannte aktivitäten sind. } +\add{In contrast, the detection rates for walking up or down are certainly better. +With only a single exception in walk 3 (cf. chapter \ref{sec:exp:loc}), the approach makes it possible to direct particles smoothly over stairs. +Due to the lag, however, there is a noticeable delay of the estimation when entering the staircase. +During this short period of time, the particles gather in front of the staircase, as they only receive a corresponding weighting when the activity changes. +In buildings with many successive stairs, this could lead to further problems, as it affects the PDR-based movement of the particles. +Nevertheless, in a scenario such as the present, the absolute positioning of Wi-Fi should compensate for this. +As a final notice on this approch, it is not possible to derive the smartphone or the user from the detection rates, which recommends a general use of the approach.}