SemReg incorporates semantic labels as geometric registration constraints, enabling robust point cloud alignment even in textureless or symmetry-ambiguous regions where purely geometric methods fail, with state-of-the-art results on indoor and outdoor benchmarks.
Sep 1, 2024

TopFormer augments transformer-based point cloud registration with topological structure descriptors, improving correspondence quality in geometrically repetitive and low-texture regions by encoding how local surface neighbourhoods connect globally.
Apr 1, 2024
This work focuses on wtayolo: a detection model for weak scratches on metal surfaces, contributing to Wei Pan's research thread in 3D vision, optical metrology, geometry processing, and industrial inspection.
Jan 1, 2024

A weighted normal estimation scheme adaptively weights neighbouring points based on local surface geometry confidence, producing more accurate normals at sharp features and noisy regions than standard PCA-based and learning-based methods.
Jul 1, 2023

A double-sampling strategy in phase-shifting profilometry acquires two temporally interleaved fringe sets to estimate and compensate motion between exposures, enabling 3D reconstruction of moving objects without specialised high-speed hardware.
Jan 1, 2023

GPU-parallel implementation of curvature filtering for image smoothing and denoising, achieving 33.2 Giga pixels per second throughput—orders of magnitude faster than the CPU baseline.
Jan 1, 2019

A design method for reassembling an existing LEGO model into a new target shape, laying the algorithmic groundwork for the full transformation pipeline.
Jan 1, 2017

Optimal moving sequence generation for robotic pick-and-place assembly using the Hungarian assignment algorithm, minimizing travel cost in automated 3D construction.
Jan 1, 2015