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Accurate and dense mapping in large-scale environments is essential for various robot applications. Recently, implicit neural signed distance fields (SDFs) have shown promising advances in this task. However, most existing approaches employ…

Robotics · Computer Science 2024-04-30 Shuangfu Song , Junqiao Zhao , Kai Huang , Jiaye Lin , Chen Ye , Tiantian Feng

Accurate and efficient environment representation is crucial for robotic applications such as motion planning, manipulation, and navigation. Signed distance functions (SDFs) have emerged as a powerful representation for encoding distance to…

Robotics · Computer Science 2026-04-01 Zhirui Dai , Tianxing Fan , Mani Amani , Jaemin Seo , Ki Myung Brian Lee , Hyondong Oh , Nikolay Atanasov

Plane Geometry Diagram Synthesis has been a crucial task in computer graphics, with applications ranging from educational tools to AI-driven mathematical reasoning. Traditionally, we rely on manual tools (e.g., Matplotlib and GeoGebra) to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Chengrui Zhang , Maizhen Ning , Tianyi Liu , Zihao Zhou , Jie Sun , Qiufeng Wang , Kaizhu Huang

Safely navigating around obstacles while respecting the dynamics, control, and geometry of the underlying system is a key challenge in robotics. Control Barrier Functions (CBFs) generate safe control policies by considering system dynamics…

Robotics · Computer Science 2025-09-16 Yi-Hsuan Chen , Shuo Liu , Wei Xiao , Calin Belta , Michael Otte

We formulate grasp learning as a neural field and present Neural Grasp Distance Fields (NGDF). Here, the input is a 6D pose of a robot end effector and output is a distance to a continuous manifold of valid grasps for an object. In contrast…

Robotics · Computer Science 2023-12-29 Thomas Weng , David Held , Franziska Meier , Mustafa Mukadam

This paper presents a novel method for modeling the shape of a continuum robot as a Neural Configuration Euclidean Distance Function (N-CEDF). By learning separate distance fields for each link and combining them through the kinematics…

Robotics · Computer Science 2025-02-28 Kehan Long , Hardik Parwana , Georgios Fainekos , Bardh Hoxha , Hideki Okamoto , Nikolay Atanasov

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

We introduce a novel depth estimation technique for multi-frame structured light setups using neural implicit representations of 3D space. Our approach employs a neural signed distance field (SDF), trained through self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Rukun Qiao , Hiroshi Kawasaki , Hongbin Zha

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

Autonomous navigation through unstructured and dynamically-changing environments is a complex task that continues to present many challenges for modern roboticists. In particular, legged robots typically possess manipulable asymmetric…

Robotics · Computer Science 2025-08-18 Ryan M. Bena , Gilbert Bahati , Blake Werner , Ryan K. Cosner , Lizhi Yang , Aaron D. Ames

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

We investigate the generalization capabilities of neural signed distance functions (SDFs) for learning 3D object representations for unseen and unlabeled point clouds. Existing methods can fit SDFs to a handful of object classes and boast…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Gene Chou , Ilya Chugunov , Felix Heide

Vision-centric 3D environment understanding is both vital and challenging for autonomous driving systems. Recently, object-free methods have attracted considerable attention. Such methods perceive the world by predicting the semantics of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Lizhe Liu , Bohua Wang , Hongwei Xie , Daqi Liu , Li Liu , Zhiqiang Tian , Kuiyuan Yang , Bing Wang

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

Latest methods represent shapes with open surfaces using unsigned distance functions (UDFs). They train neural networks to learn UDFs and reconstruct surfaces with the gradients around the zero level set of the UDF. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Junsheng Zhou , Baorui Ma , Shujuan Li , Yu-Shen Liu , Zhizhong Han

In the field of trajectory generation for objects, ensuring continuous collision-free motion remains a huge challenge, especially for non-convex geometries and complex environments. Previous methods either oversimplify object shapes, which…

Robotics · Computer Science 2024-05-02 Jingping Wang , Tingrui Zhang , Qixuan Zhang , Chuxiao Zeng , Jingyi Yu , Chao Xu , Lan Xu , Fei Gao

While Signed Distance Fields (SDF) are well-established for modeling watertight surfaces, Unsigned Distance Fields (UDF) broaden the scope to include open surfaces and models with complex inner structures. Despite their flexibility, UDFs…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Cheng Xu , Fei Hou , Wencheng Wang , Hong Qin , Zhebin Zhang , Ying He

Implicit Neural Representations have gained prominence as a powerful framework for capturing complex data modalities, encompassing a wide range from 3D shapes to images and audio. Within the realm of 3D shape representation, Neural Signed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Amine Ouasfi , Adnane Boukhayma

We present learning-based implicit shape representations designed for real-time avatar collision queries arising in the simulation of clothing. Signed distance functions (SDFs) have been used for such queries for many years due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Osman Akar , Yushan Han , Yizhou Chen , Weixian Lan , Benn Gallagher , Ronald Fedkiw , Joseph Teran

Motion planning for robots of high degrees-of-freedom (DOFs) is an important problem in robotics with sampling-based methods in configuration space C as one popular solution. Recently, machine learning methods have been introduced into…

Robotics · Computer Science 2019-11-21 Yiheng Han , Wang Zhao , Jia Pan , Zipeng Ye , Ran Yi , Yong-Jin Liu