Update README.md

README.md

@@ -38,7 +38,7 @@ A ton more examples in the [📝 paper](https://arxiv.org/abs/2307.05663) :)
 
 ## Image → 3D
 
-With the base Zero123-XL foundation model, we can perform image → 3D using [DreamFusion](https://arxiv.org/abs/2209.14988), having the model guide a NeRF to generate novel views!
+With the base Zero123-XL foundation model, we can perform image → 3D using [DreamFusion](https://dreamfusion3d.github.io/), having the model guide a NeRF to generate novel views!
 
 <video autoplay controls muted>
   <source src="https://github.com/allenai/objaverse-rendering/assets/28768645/17981b67-5f43-4619-b4b6-aeb79fb9c1e2" type="video/mp4">
@@ -54,7 +54,7 @@ Text-to-3D comes for free with text → image models, such as with SDXL here, pr
 
 ## Scaling Trends
 
-Beyond that, we show strong scaling trends for both Zero123-XL and [PixelNeRF](https://arxiv.org/abs/2012.02190)!
+Beyond that, we show strong scaling trends for both Zero123-XL and [PixelNeRF](https://alexyu.net/pixelnerf/)!
 
 <img src="https://github.com/allenai/objaverse-rendering/assets/28768645/0c8bb433-27df-43a1-8cb8-1772007c0899">