MSCN: Multi-view Structural Convolution Network for Domain-Invariant Point Cloud Recognition of Autonomous Vehicles

• URL: http://arxiv.org/abs/2501.16289v4
• Date: Sun, 24 Aug 2025 19:41:53 GMT
• Title: MSCN: Multi-view Structural Convolution Network for Domain-Invariant Point Cloud Recognition of Autonomous Vehicles
• Authors: Younggun Kim, Mohamed Abdel-Aty, Beomsik Cho, Seonghoon Ryoo, Soomok Lee,
• Abstract summary: Multi-view Structural Convolution Network (MSCN) is a novel architecture designed to achieve domain-invariant recognition.<n>MSCN consistently outperforms state-of-the-art point cloud classification methods across all domain change scenarios.
• Score: 1.7616042687330637
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Although LiDAR sensors have become indispensable for autonomous vehicles (AVs) due to their ability to provide accurate 3D scene understanding and robust perception under adverse weather conditions, the properties of LiDAR point clouds vary widely across sensor configurations and data acquisition domains, leading to severe performance degradation when models are transferred between heterogeneous sensors or from simulation to the real world. To address this challenge, we propose the Multi-view Structural Convolution Network (MSCN), a novel architecture designed to achieve domain-invariant recognition across diverse LiDAR configurations and environments. MSCN comprises Structural Convolution Layers (SCL) that extract local context geometric features from point clouds and Structural Aggregation Layers (SAL) that extract and aggregate both local and overall context features from point clouds. Furthermore, we incorporate an unseen domain generation strategy to mitigate domain gaps during training. Extensive experiments demonstrate that MSCN consistently outperforms state-of-the-art point cloud classification methods across all domain change scenarios. These results highlight MSCN as a scalable solution for deploying LiDAR-based perception systems of AVs. Our code is available at https://github.com/MLMLab/MSCN.

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