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Dense visual odometry (VO), which provides pose estimation and dense 3D reconstruction, serves as the cornerstone for applications ranging from robotics to augmented reality. Recently, feed-forward models have demonstrated remarkable…

Robotics · Computer Science 2026-04-03 Junxiang Pan , Lipu Zhou , Baojie Chen

Due to their resilience to motion blur and high robustness in low-light and high dynamic range conditions, event cameras are poised to become enabling sensors for vision-based exploration on future Mars helicopter missions. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Florian Mahlknecht , Daniel Gehrig , Jeremy Nash , Friedrich M. Rockenbauer , Benjamin Morrell , Jeff Delaune , Davide Scaramuzza

This paper introduces a real-time algorithm for navigating complex unknown environments cluttered with movable obstacles. Our algorithm achieves fast, adaptable routing by actively attempting to manipulate obstacles during path planning and…

Robotics · Computer Science 2024-04-12 Botao He , Guofei Chen , Wenshan Wang , Ji Zhang , Cornelia Fermuller , Yiannis Aloimonos

The recent surge in interest in autonomous driving stems from its rapidly developing capacity to enhance safety, efficiency, and convenience. A pivotal aspect of autonomous driving technology is its perceptual systems, where core algorithms…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Qi Zhang , Siyuan Gou , Wenbin Li

Obstacle avoidance is one of the essential and indispensable functions for autonomous mobile robots. Most of the existing solutions are typically based on single condition constraint and cannot incorporate sensor data in a real-time manner,…

Robotics · Computer Science 2020-07-02 Wei Chen , Jian Sun , Weishuo Li , Dapeng Zhao

A smart navigation system (an Electronic Travel Aid) based on an object detection mechanism has been designed to detect the presence of obstacles that immediately impede the path, by means of real time video processing. The algorithm can be…

Computer Vision and Pattern Recognition · Computer Science 2012-08-10 Supreeth K. Rao , Arpitha Prasad B. , Anushree R. Shetty , Chinmai , R. Bhakthavathsalam , Rajeshwari Hegde

Collision-free mobile robot navigation is an important problem for many robotics applications, especially in cluttered environments. In such environments, obstacles can be static or dynamic. Dynamic obstacles can additionally be…

Robotics · Computer Science 2023-02-28 Baskın Şenbaşlar , Gaurav S. Sukhatme

For safe navigation in dynamic uncertain environments, robotic systems rely on the perception and prediction of other agents. Particularly, in occluded areas where cameras and LiDAR give no data, the robot must be able to reason about…

Robotics · Computer Science 2024-10-24 Roya Firoozi , Alexandre Mir , Gadi Sznaier Camps , Mac Schwager

Visual odometry algorithms tend to degrade when facing low-textured scenes -from e.g. human-made environments-, where it is often difficult to find a sufficient number of point features. Alternative geometrical visual cues, such as lines,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Joan P. Company-Corcoles , Emilio Garcia-Fidalgo , Alberto Ortiz

Optimization-based approaches are widely employed to generate optimal robot motions while considering various constraints, such as robot dynamics, collision avoidance, and physical limitations. It is crucial to efficiently solve the…

Robotics · Computer Science 2024-03-18 Jihao Huang , Xuemin Chi , Jun Zeng , Zhitao Liu , Hongye Su

Autonomous navigation by drones using onboard sensors combined with machine learning and computer vision algorithms is impacting a number of domains, including agriculture, logistics, and disaster management. In this paper, we examine the…

Robotics · Computer Science 2025-06-19 Suman Raj , Swapnil Padhi , Ruchi Bhoot , Prince Modi , Yogesh Simmhan

If a robot can predict crowds in parts of its environment that are inaccessible to its sensors, then it can plan to avoid them. This paper proposes a fast, online algorithm that learns average crowd densities in different areas. It also…

Artificial Intelligence · Computer Science 2017-10-17 Anoop Aroor , Susan L. Epstein

The autonomous operation of small quadcopters moving at high speed in an unknown cluttered environment is a challenging task. Current works in the literature formulate it as a Sense-And-Avoid (SAA) problem and address it by either…

Robotics · Computer Science 2021-09-21 Chaitanyavishnu S. Gadde , Mohitvishnu S. Gadde , Nishant Mohanty , Suresh Sundaram

In industrial applications, complex tasks require human collaboration since the robot doesn't have enough dexterity. However, the robots are still implemented as tools and not as collaborative intelligent systems. To ensure safety in the…

Optical flow and disparity are two informative visual features for autonomous driving perception. They have been used for a variety of applications, such as obstacle and lane detection. The concept of "U-V-Disparity" has been widely…

Robotics · Computer Science 2023-08-04 Yi Feng , Ruge Zhang , Jiayuan Du , Qijun Chen , Rui Fan

This paper proposes an integrated approach for the safe and efficient control of mobile robots in dynamic and uncertain environments. The approach consists of two key steps: one-shot multimodal motion prediction to anticipate motions of…

Robotics · Computer Science 2025-06-05 Ze Zhang , Georg Hess , Junjie Hu , Emmanuel Dean , Lennart Svensson , Knut Åkesson

The problem of tracking self-motion as well as motion of objects in the scene using information from a camera is known as multi-body visual odometry and is a challenging task. This paper proposes a robust solution to achieve accurate…

Robotics · Computer Science 2020-07-29 Jun Zhang , Mina Henein , Robert Mahony , Viorela Ila

Autonomous navigation for legged robots in complex and dynamic environments relies on robust simultaneous localization and mapping (SLAM) systems to accurately map surroundings and localize the robot, ensuring safe and efficient operation.…

Path planning and obstacle avoidance are the two major issues in any navigation system. Wavefront propagation algorithm, as a good path planner, can be used to determine an optimal path. Obstacle avoidance can be achieved using possibility…

Robotics · Computer Science 2007-05-23 Adel Al-Jumaily , Cindy Leung

In this work we present a monocular visual odometry (VO) algorithm which leverages geometry-based methods and deep learning. Most existing VO/SLAM systems with superior performance are based on geometry and have to be carefully designed for…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Huangying Zhan , Chamara Saroj Weerasekera , Jiawang Bian , Ian Reid