Update README.md

README.md

@@ -45,10 +45,18 @@ Our resulting model, Open-Vision-Reasoner (OVR), achieves state-of-the-art perfo
 
 ### Training Dynamics and Performance Evolution
 
-<p align="center">
-  <img width="45%" src="assets/coldstart_dynamic.png">
-  <img width="45%" src="assets/rl_dynamics.png">
-</p>
+<table align="center">
+  <tr>
+    <td align="center">
+      <img width="45%" src="assets/coldstart_dynamic.png">
+    </td>
+    <td align="center">
+      <img width="45%" src="assets/rl_dynamics.png">
+    </td>
+  </tr>
+</table>
+
+<br>
 
 <p align="center">
   <img width="100%" src="assets/performance.png">