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This paper introduces a novel approach for robot navigation in challenging dynamic environments. The proposed method builds upon the concept of Velocity Obstacles (VO) that was later extended to Nonlinear Velocity Obstacles (NLVO) to…

Robotics · Computer Science 2025-06-09 Asher Stern , Zvi Shiller

The training of deep neural networks is inherently a nonconvex optimization problem, yet standard approaches such as stochastic gradient descent (SGD) require simultaneous updates to all parameters, often leading to unstable convergence and…

Machine Learning · Computer Science 2025-08-07 Chengcheng Yan , Jiawei Xu , Zheng Peng , Qingsong Wang

Neural Radiance Fields (NeRF)-based models have achieved remarkable success in 3D reconstruction and rendering tasks. However, during both training and inference, these models rely heavily on dense point sampling along rays from multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Ranxi Lin , Canming Yao , Jiayi Li , Weihang Liu , Xin Lou , Pingqiang Zhou

UAVs equipped with a single depth camera encounter significant challenges in dynamic obstacle avoidance due to limited field of view and inevitable blind spots. While active vision strategies that steer onboard cameras have been proposed to…

Robotics · Computer Science 2025-10-21 Chi Zhang , Xian Huang , Wei Dong

This paper addresses the issue of motion planning in dynamic environments by extending the concept of Velocity Obstacle and Nonlinear Velocity Obstacle to Acceleration Obstacle AO and Nonlinear Acceleration Obstacle NAO. Similarly to VO and…

Robotics · Computer Science 2025-04-21 Asher Stern , Zvi Shiller

Distance-based reward mechanisms in deep reinforcement learning (DRL) navigation systems suffer from critical safety limitations in dynamic environments, frequently resulting in collisions when visibility is restricted. We propose DRL-NSUO,…

Robotics · Computer Science 2025-03-04 Mingao Tan , Shanze Wang , Biao Huang , Zhibo Yang , Rongfei Chen , Xiaoyu Shen , Wei Zhang

Simultaneous Localisation and Mapping (SLAM) algorithms are expensive to run on smaller robotic platforms such as Micro-Aerial Vehicles. Bug algorithms are an alternative that use relatively little processing power, and avoid high memory…

Neural and Evolutionary Computing · Computer Science 2019-04-15 James Butterworth , Rahul Savani , Karl Tuyls

Despite the recent successes in robotic locomotion control, the design of robot relies heavily on human engineering. Automatic robot design has been a long studied subject, but the recent progress has been slowed due to the large…

Machine Learning · Computer Science 2019-06-24 Tingwu Wang , Yuhao Zhou , Sanja Fidler , Jimmy Ba

Robots are traditionally bounded by a fixed embodiment during their operational lifetime, which limits their ability to adapt to their surroundings. Co-optimizing control and morphology of a robot, however, is often inefficient due to the…

Robotics · Computer Science 2022-12-20 Chen Yu , Weinan Zhang , Hang Lai , Zheng Tian , Laurent Kneip , Jun Wang

Accurate trajectory prediction is essential for the safety and efficiency of autonomous driving. Traditional models often struggle with real-time processing, capturing non-linearity and uncertainty in traffic environments, efficiency in…

Robotics · Computer Science 2024-12-17 Chengyue Wang , Haicheng Liao , Bonan Wang , Yanchen Guan , Bin Rao , Ziyuan Pu , Zhiyong Cui , Chengzhong Xu , Zhenning Li

Using neuromorphic computing for robotics applications has gained much attention in recent year due to the remarkable ability of Spiking Neural Networks (SNNs) for high-precision yet low memory and compute complexity inference when…

Robotics · Computer Science 2025-07-15 Zainab Ali , Lujayn Al-Amir , Ali Safa

Multimarginal optimal transport (MOT) is a powerful framework for modeling interactions between multiple distributions, yet its applicability is bottlenecked by a high computational overhead. Entropic regularization provides computational…

Machine Learning · Computer Science 2025-06-03 Dor Tsur , Ziv Goldfeld , Kristjan Greenewald , Haim Permuter

Efficient reasoning about the semantic, spatial, and temporal structure of a scene is a crucial prerequisite for autonomous driving. We present NEural ATtention fields (NEAT), a novel representation that enables such reasoning for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Kashyap Chitta , Aditya Prakash , Andreas Geiger

Studying snake robot locomotion in a cluttered environment has been a complicated task because the motion model is discontinuous due to the physical contact with obstacles, and the contact force cannot be determined solely by contact…

Robotics · Computer Science 2018-05-17 Akash Singh , Chaohui Gong , Howie Choset

Snake robots composed of alternating single-axis pitch and yaw joints have many internal degrees of freedom, which make them capable of versatile three-dimensional locomotion. In motion planning process, snake robot motions are often…

This paper investigates the application of Neuroevolution of Augmenting Topologies (NEAT) to automate gameplay in Dark Souls, a notoriously challenging action role-playing game characterized by complex combat mechanics, dynamic…

Artificial Intelligence · Computer Science 2025-07-08 Jim O'Connor , Gary B. Parker , Mustafa Bugti

A neural network system in an animal brain contains many modules and generates adaptive behavior by integrating the outputs from the modules. The mathematical modeling of such large systems to elucidate the mechanism of rapidly finding…

Adaptation and Self-Organizing Systems · Physics 2019-12-24 Kei-Ichi Ueda

Snakes can bend their elongate bodies in various forms to traverse various environments. We understand how snakes use lateral bending to push against asperities on flat ground for propulsion, and snake robots can do so effectively. However,…

Biological Physics · Physics 2025-09-26 Qiyuan Fu , Chen Li

This paper presents the design and performance of a screw-propelled redundant serpentine robot. This robot comprises serially linked, identical modules, each incorporating an Archimedes' screw for propulsion and a universal joint (U-Joint)…

Inspired by the human brain's ability to adapt to new tasks without erasing prior knowledge, we develop spiking neural networks (SNNs) with dynamic structures for Class Incremental Learning (CIL). Our comparative experiments reveal that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Wenyao Ni , Jiangrong Shen , Qi Xu , Huajin Tang