Air-CSL: Chinese Sign Language Recognition Based on the Commercial WiFi Devices

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/5885475/figures/5885475.fig.004a.svgz" name="5885475.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The waveform after LOF</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/5885475/figures/5885475.fig.004b.svgz" name="5885475.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The waveform after DWT</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/5885475/figures/5885475.fig.004c.svgz" name="5885475.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The waveform after PCA</td></tr></table>

<div>Preprocessing diagram of gesture data.</div>

Wireless Communications and Mobile Computing

fig4

Figure 4

Figure 4: Air-CSL: Chinese Sign Language Recognition Based on the Commercial WiFi Devices 