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Planning safe trajectories for autonomous vehicles in complex urban environments is challenging since there are numerous semantic elements (such as dynamic agents, traffic lights and speed limits) to consider. These semantic elements may…

Robotics · Computer Science 2019-06-25 Wenchao Ding , Lu Zhang , Jing Chen , Shaojie Shen

Embodied intelligence requires precise reconstruction and rendering to simulate large-scale real-world data. Although 3D Gaussian Splatting (3DGS) has recently demonstrated high-quality results with real-time performance, it still faces…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Haodong Xiang , Xinghui Li , Kai Cheng , Xiansong Lai , Wanting Zhang , Zhichao Liao , Long Zeng , Xueping Liu

Robot swarms hold immense potential for performing complex tasks far beyond the capabilities of individual robots. However, the challenge in unleashing this potential is the robots' limited sensory capabilities, which hinder their ability…

Robotics · Computer Science 2024-04-26 Michikuni Eguchi , Mai Nishimura , Shigeo Yoshida , Takefumi Hiraki

We propose a method to interpolate Signed Distance Function (SDF) data from a discrete set of samples. Unlike prior work, our approach ensures that the new SDF data values are fully consistent with the input and each other, such that the…

Graphics · Computer Science 2026-05-05 Letao Chen , Sanju Mupparaju , Christopher Batty , Silvia Sellán , Oded Stein

Automating architectural floorplan design is vital for housing and interior design, offering a faster, cost-effective alternative to manual sketches by architects. However, existing methods, including rule-based and learning-based…

Graphics · Computer Science 2024-12-17 Sizhe Hu , Wenming Wu , Yuntao Wang , Benzhu Xu , Liping Zheng

Neural radiance fields (NeRF) have driven impressive progress in view synthesis by using ray-traced volumetric rendering. Splatting-based methods such as 3D Gaussian Splatting (3DGS) provide faster rendering by rasterizing 3D primitives.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Antonella Rech , Nicola Conci , Nicola Garau

Recent advancements in learning latent codes derived from high-dimensional shapes have demonstrated impressive outcomes in 3D generative modeling. Traditionally, these approaches employ a trained autoencoder to acquire a continuous implicit…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jiajie Fan , Amal Trigui , Andrea Bonfanti , Felix Dietrich , Thomas Bäck , Hao Wang

We introduce Statistical Flow Matching (SFM), a novel and mathematically rigorous flow-matching framework on the manifold of parameterized probability measures inspired by the results from information geometry. We demonstrate the…

Machine Learning · Computer Science 2025-11-26 Chaoran Cheng , Jiahan Li , Jian Peng , Ge Liu

Reconstructing coherent 3D geometry and appearance from unposed multi-view images is a fundamental yet challenging problem in computer vision. Most existing visual geometry foundation models predict explicit geometry by regressing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yuqi Wu , Tianyu Hu , Wenzhao Zheng , Yuanhui Huang , Haowen Sun , Jie Zhou , Jiwen Lu

Ensuring safety and robustness of robot skills is becoming crucial as robots are required to perform increasingly complex and dynamic tasks. The former is essential when performing tasks in cluttered environments, while the latter is…

Robotics · Computer Science 2025-04-29 Ken-Joel Simmoteit , Philipp Schillinger , Leonel Rozo

Existing curved-layer-based process planning methods for multi-axis manufacturing address collisions only indirectly and generate toolpaths in a post-processing step, leaving toolpath geometry uncontrolled during optimization. We present an…

Robotics · Computer Science 2026-04-22 Neelotpal Dutta , Tianyu Zhang , Tao Liu , Yongxue Chen , Charlie C. L. Wang

Guidance of generative models is typically achieved by modifying the probability flow vector field through the addition of a guidance field. In this paper, we instead propose the Source-Guided Flow Matching (SGFM) framework, which modifies…

Machine Learning · Computer Science 2025-08-25 Zifan Wang , Alice Harting , Matthieu Barreau , Michael M. Zavlanos , Karl H. Johansson

In this paper, we introduce a novel approach to implicitly encode precise robot morphology using forward kinematics based on a configuration space signed distance function. Our proposed Robot Neural Distance Function (RNDF) optimizes the…

Robotics · Computer Science 2025-03-10 Yiting Chen , Xiao Gao , Kunpeng Yao , Loïc Niederhauser , Yasemin Bekiroglu , Aude Billard

Convex free regions provide a structured and optimization-friendly representation of collision-free space for robot navigation in unknown and cluttered environments. However, existing methods typically enlarge local collision-free regions…

Robotics · Computer Science 2026-04-28 Zhicheng Song , Yongjian Li , Kai Chen , Yulin Li , Fan Shi , Jun Ma

Neural-based motion planning methods have achieved remarkable progress for robotic manipulators, yet a fundamental challenge lies in simultaneously accounting for both the robot's physical shape and the surrounding environment when…

Robotics · Computer Science 2025-09-16 Kai Chen , Zhihai Bi , Guoyang Zhao , Chunxin Zheng , Yulin Li , Hang Zhao , Jun Ma

Autonomous drone racing requires the tight coupling of perception, planning, and control under extreme agility. However, recent approaches typically rely on precomputed spatial reference trajectories or explicit 6-DoF gate pose estimation,…

Robotics · Computer Science 2026-03-10 Fangguo Zhao , Hanbing Zhang , Zhouheng Li , Xin Guan , Shuo Li

3D geometric shape completion hinges on representation learning and a deep understanding of geometric data. Without profound insights into the three-dimensional nature of the data, this task remains unattainable. Our work addresses this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Faezeh Zakeri , Raphael Braun , Lukas Ruppert , Henrik P. A. Lensch

Conditional Flow Matching (CFM) models can generate high-quality samples from a non-informative prior, but they can be slow, often needing hundreds of network evaluations (NFE). To address this, we propose Implicit Dynamical Flow Fusion…

Machine Learning · Computer Science 2025-05-28 Mohammad R. Rezaei , Milos R. Popovic , Milad Lankarany , Rahul G. Krishnan

Recent advances have enabled a single neural network to serve as an implicit scene representation, establishing the mapping function between spatial coordinates and scene properties. In this paper, we make a further step towards continual…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Zike Yan , Yuxin Tian , Xuesong Shi , Ping Guo , Peng Wang , Hongbin Zha

We present a local detection method for dissipative particle dynamics (DPD) involving arbitrarily shaped geometric three-dimensional domains. By introducing an indicator variable of boundary volume fraction (BVF) for each fluid particle,…

Computational Physics · Physics 2020-05-12 Zhen Li , Xin Bian , Yu-Hang Tang , George Em Karniadakis