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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Dear Competitors,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">It's a pleasure to announce that IPIN2023 Competition Track5 "Smartphone (offsite-offline)" is launched.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Track 5 is 2023 version of xDR Challenge which is a series of indoor localization competition hosted
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">by PDR benchmark standardization committee.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">The xDR Challenge is mainly focusing on integrated indoor localization methods with dead-reckoning.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Track 5 is categorized as "off-site, off-line" track, which means that track organizer provides datasets
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">for indoor localization to competitors and the competitors are asked to submit estimated trajectories<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">of targets in certain time limit.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Target field of this year’s competition is commercial facilities, and the targets of localization are pedestrian<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">walking in the field. The submitted (estimated) trajectories will be evaluated by utilizing multi-faceted evaluation
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">metrics with the precise ground-truth recorded by a hand-held LiDAR.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">The detailed information can be shown in the attached technical annexes or web-site of the
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">xDR Challenge 2023 (<a href="https://unit.aist.go.jp/harc/xDR-Challenge-2023/">https://unit.aist.go.jp/harc/xDR-Challenge-2023/</a>)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">We look forward to your participation!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">The Track 5 competition chairs<o:p></o:p></span></p>
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