Data Fusion in Ubiquitous Sports Training: Methodology and Application

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:9.99em"/><col style="width:5.39em"/><col style="width:6.82em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"><b>Type of tennis stroke</b></td><td class="align_center"><b>Amateurs</b></td><td class="align_center"><b>Professionals</b></td></tr><tr class="thead"><td class="align_center" colspan="2">Number of samples</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Forehand</td><td class="align_center">961</td><td class="align_center">271</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">Backhand</td><td class="align_center">491</td><td class="align_center">257</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">Serve</td><td class="align_center">342</td><td class="align_center">93</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The number of the samples gathered during the tennis training.</div>

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Table 2

Table 2: Data Fusion in Ubiquitous Sports Training: Methodology and Application 