63 citations · 191 across the 12 of their papers we have counts for
12 papers
Ortho2CAD: 3D CAD generation from orthographic drawings using vision language models
Aditya Joglekar, Amit Regmi, Kenji Shimada +1
Engineering design intent is often communicated through rasterized orthographic drawings. However, downstream workflows require editable and parametrically defined 3D computer-aide…
Adaptive Planning Framework for UAV-Based Surface Inspection in Partially Unknown Indoor Environments
Hanyu Jin, Zhefan Xu, Haoyu Shen +3
Inspecting indoor environments such as tunnels, industrial facilities, and construction sites is essential for infrastructure monitoring and maintenance. While manual inspection in…
LV-DOT: LiDAR-visual dynamic obstacle detection and tracking for autonomous robot navigation
Zhefan Xu, Haoyu Shen, Xinming Han +3
Accurate perception of dynamic obstacles is essential for autonomous robot navigation in indoor environments. Although sophisticated 3D object detection and tracking methods have b…
NavRL: Learning Safe Flight in Dynamic Environments
Zhefan Xu, Xinming Han, Haoyu Shen +2
Safe flight in dynamic environments requires unmanned aerial vehicles (UAVs) to make effective decisions when navigating cluttered spaces with moving obstacles. Traditional approac…
Intent Prediction-Driven Model Predictive Control for UAV Planning and Navigation in Dynamic Environments
Zhefan Xu, Hanyu Jin, Xinming Han +2
Aerial robots can enhance construction site productivity by autonomously handling inspection and mapping tasks. However, ensuring safe navigation near human workers remains challen…
Heuristic-based Incremental Probabilistic Roadmap for Efficient UAV Exploration in Dynamic Environments
Zhefan Xu, Christopher Suzuki, Xiaoyang Zhan +1
Autonomous exploration in dynamic environments necessitates a planner that can proactively respond to changes and make efficient and safe decisions for robots. Although plenty of s…
Quadcopter Trajectory Time Minimization and Robust Collision Avoidance via Optimal Time Allocation
Zhefan Xu, Kenji Shimada
Autonomous navigation requires robots to generate trajectories for collision avoidance efficiently. Although plenty of previous works have proven successful in generating smooth an…
Onboard dynamic-object detection and tracking for autonomous robot navigation with RGB-D camera
Zhefan Xu, Xiaoyang Zhan, Yumeng Xiu +2
Deploying autonomous robots in crowded indoor environments usually requires them to have accurate dynamic obstacle perception. Although plenty of previous works in the autonomous d…
A vision-based autonomous UAV inspection framework for unknown tunnel construction sites with dynamic obstacles
Zhefan Xu, Baihan Chen, Xiaoyang Zhan +3
Tunnel construction using the drill-and-blast method requires the 3D measurement of the excavation front to evaluate underbreak locations. Considering the inspection and measuremen…
Component Segmentation of Engineering Drawings Using Graph Convolutional Networks
Wentai Zhang, Joe Joseph, Yue Yin +5
We present a data-driven framework to automate the vectorization and machine interpretation of 2D engineering part drawings. In industrial settings, most manufacturing engineers st…
A real-time dynamic obstacle tracking and mapping system for UAV navigation and collision avoidance with an RGB-D camera
Zhefan Xu, Xiaoyang Zhan, Baihan Chen +3
The real-time dynamic environment perception has become vital for autonomous robots in crowded spaces. Although the popular voxel-based mapping methods can efficiently represent 3D…
Robotic Depowdering for Additive Manufacturing Via Pose Tracking
Zhenwei Liu, Junyi Geng, Xikai Dai +2
With the rapid development of powder-based additive manufacturing, depowdering, a process of removing unfused powder that covers 3D-printed parts, has become a major bottleneck to…