add new papers

README.md

@@ -45,6 +45,8 @@ It contains various tasks including 3D understanding, reasoning, generation, and
 | 20 | - | - | [From Language to 3D Worlds: Adapting Language Model for Point Cloud Perception](https://openreview.net/forum?id=H49g8rRIiF) | OpenReview | - |
 | 21 | OpenNerf | - | [OpenNerf: Open Set 3D Neural Scene Segmentation with Pixel-Wise Features and Rendered Novel Views](https://openreview.net/pdf?id=SgjAojPKb3) | OpenReview | [github]() |
 | 22 | - | KAUST & LIX | [Zero-Shot 3D Shape Correspondence](https://arxiv.org/abs/2306.03253) | Siggraph Asia 2023 | - |
+| 23 | LiDAR-LLM | PKU | [LiDAR-LLM: Exploring the Potential of Large Language Models for 3D LiDAR Understanding](https://arxiv.org/pdf/2312.14074.pdf) | Arxiv | [project](https://sites.google.com/view/lidar-llm) |
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 ## 3D Reasoning
 | ID | keywords | Institute (first) | Paper | Publication | Others |