3 papers
cs.RO2025
A 4D Radar Camera Extrinsic Calibration Tool Based on 3D Uncertainty Perspective N Points
Chuan Cao, Xiaoning Wang, Wenqian Xi +3
4D imaging radar is a type of low-cost millimeter-wave radar(costing merely 10-20 of lidar systems) capable of providing range, azimuth, elevation, and Doppler velocity informa…
cs.CV2025
RaCalNet: Radar Calibration Network for Sparse-Supervised Metric Depth Estimation
Xingrui Qin, Wentao Zhao, Chuan Cao +5
Dense depth estimation using millimeter-wave radar typically requires dense LiDAR supervision, generated via multi-frame projection and interpolation, for guiding the learning of a…
cs.CV2025
SALT: A Flexible Semi-Automatic Labeling Tool for General LiDAR Point Clouds with Cross-Scene Adaptability and 4D Consistency
Yanbo Wang, Yongtao Chen, Chuan Cao +4
We propose a flexible Semi-Automatic Labeling Tool (SALT) for general LiDAR point clouds with cross-scene adaptability and 4D consistency. Unlike recent approaches that rely on cam…