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This work was supported in part by NSFC (No. 62125305) , the Natural Science Basis Research Plan in Shaanxi Province of China (No. 2025JC-JCQN-091) and Technology Innovation Leading Program of Shaanxi (Program No. 2024QY-SZX-23).Yiding Sun, Jihua Zhu, Haozhe Cheng, Chaoyi Lu, Zhichuan Yang and Lin Chen are with the School of Software Engineering, Xi鈥檃n Jiaotong University, Xi鈥檃n 710048, China; Yiding Sun and Jihua Zhu are also with the State Key Laboratory of Human-Machine Hybrid Augmented Intelligence, Xi鈥檃n Jiaotong University, Xi鈥檃n 710048, China (e-mail: zhujh@xjtu.edu.cn) (Corresponding author: Jihua Zhu)
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Bridging the gap between 3D and 4D point cloud understanding, PointATA unlocks surprisingly strong performance with parameter-efficient transfer learning, even surpassing full fine-tuning.
