Update README.md

Author: jiaxi-jiang

README.md

@@ -5,13 +5,18 @@
 <sup>1</sup> [Sensing, Interaction & Perception Lab](https://siplab.org), Department of Computer Science, ETH Zürich, Switzerland <br/>
 <sup>2</sup> Reality Labs at Meta, Zurich, Switzerland <br/>
 
+___________
+
+Overview
+----------
 
-![framework](https://github.com/eth-siplab/AvatarPoser/tree/master/figs/framework.jpg)
+<p align="center">
+<img src="figs/framework.jpg" width="500">
+<img src="figs/real_vr.jpg" width="420">
+</p>
 
-![real_vr](https://github.com/eth-siplab/AvatarPoser/tree/master/figs/real_vr.jpg)
 
 
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 Contents
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