update

Author: Zerg-Overmind

README.md

@@ -20,7 +20,8 @@
 
 <div align="center">
     <a href="https://cre185.github.io/InstantSfM/"><strong>Project Page</strong></a> |
-    <a href="https://cre185.github.io/InstantSfM/"><strong>Paper</strong></a> 
+    <a href="https://cre185.github.io/InstantSfM/"><strong>Paper</strong></a> |
+    <a href="https://www.youtube.com/watch?v=v-ewKEPTEDg"><strong>Video</strong></a> 
 </div>
 
 <br>