LiDAR Point Cloud
LiDAR point clouds are collections of 3D points representing a scene, crucial for autonomous systems needing precise environmental understanding. Current research emphasizes efficient processing of these large datasets, focusing on learned feature extraction to reduce computational load and improve accuracy in tasks like simultaneous localization and mapping (SLAM), place recognition, and object detection. This involves developing novel neural network architectures, such as transformers and graph convolutional networks, often combined with multimodal fusion (e.g., integrating LiDAR with camera data) to enhance robustness and accuracy. The resulting advancements have significant implications for autonomous driving, robotics, and 3D mapping applications.
Papers
MemorySeg: Online LiDAR Semantic Segmentation with a Latent Memory
Enxu Li, Sergio Casas, Raquel Urtasun
LabelFormer: Object Trajectory Refinement for Offboard Perception from LiDAR Point Clouds
Anqi Joyce Yang, Sergio Casas, Nikita Dvornik, Sean Segal, Yuwen Xiong, Jordan Sir Kwang Hu, Carter Fang, Raquel Urtasun
Incremental Multimodal Surface Mapping via Self-Organizing Gaussian Mixture Models
Kshitij Goel, Wennie Tabib
SPOT: Scalable 3D Pre-training via Occupancy Prediction for Autonomous Driving
Xiangchao Yan, Runjian Chen, Bo Zhang, Jiakang Yuan, Xinyu Cai, Botian Shi, Wenqi Shao, Junchi Yan, Ping Luo, Yu Qiao