update arxiv

Author: arthur-qiu

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@@ -42,7 +42,7 @@ <h1><strong><font color="#9900FF">CineScale</font>: Free Lunch in High-Resolutio
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-  <p style="text-align: center; font-weight: bold; font-size: 1.2em">UNet-based results are in the previous work <a href="http://haonanqiu.com/"><b>FreeScale</b></a></p>
+  <p style="text-align: center; font-weight: bold; font-size: 1.2em">UNet-based results are in the previous work <a href="http://haonanqiu.com/projects/FreeScale.html"><b>FreeScale</b></a></p>
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