Update README.md

Add paper info to README

README.md

@@ -12,6 +12,24 @@ tags:
 - unsupervised
 language:
 - en
+arxiv: 2405.15688
+papers:
+- title: "UNION: Unsupervised 3D Object Detection using Appearance-based Pseudo-Classes"
+  url: https://arxiv.org/abs/2405.15688
+  conference: NeurIPS 2024
+citations:
+- type: arxiv
+  url: https://arxiv.org/abs/2405.15688
+- type: google_scholar
+  url: https://scholar.google.com/citations?view_op=view_citation&hl=en&user=54NWkMoAAAAJ&citation_for_view=54NWkMoAAAAJ:roLk4NBRz8UC
+- type: bibtex
+  content: |
+    @inproceedings{lentsch2024union,
+      title={{UNION}: Unsupervised {3D} Object Detection using Object Appearance-based Pseudo-Classes},
+      author={Lentsch, Ted and Caesar, Holger and Gavrila, Dariu M},
+      booktitle={Advances in Neural Information Processing Systems (NeurIPS)},
+      year={2024}
+    }
 ---