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Author

Xiang-Cheng Hu

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Preprint Sep 2026

Automatic Reproducible Camera Intrinsic Calibration

Accurate camera intrinsic calibration is fundamental to robot perception, and the accuracy depends on the quality of the collected images. However, existing target-based calibration methods often require the practitioner to manually filter out high-quality images and to specify an appropriate radial distortion order. T...

Xiang-Cheng Hu · 0 citations
Preprint Sep 2026

P$^2$Calib: Utilizing Pattern Priors for LiDAR-Camera Extrinsic Calibration

Target-based LiDAR-camera extrinsic calibration is a prerequisite for multi-sensor fusion in robotics. However, in the widely adopted four-hole pipeline, \rt{calibration accuracy is limited by hole-center extraction in the LiDAR side, where sparse angular coverage and mixed-pixel returns displace the estimated centers}...

Xiang-Cheng Hu · 0 citations

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