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Localizing objects and estimating their extent in 3D is an important step towards high-level 3D scene understanding, which has many applications in Augmented Reality and Robotics. We present ODAM, a system for 3D Object Detection,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Kejie Li , Daniel DeTone , Steven Chen , Minh Vo , Ian Reid , Hamid Rezatofighi , Chris Sweeney , Julian Straub , Richard Newcombe

In this paper, we extend the recently developed continuous visual odometry framework for RGB-D cameras to an adaptive framework via online hyperparameter learning. We focus on the case of isotropic kernels with a scalar as the length-scale.…

Robotics · Computer Science 2019-10-03 Tzu-Yuan Lin , William Clark , Ryan M. Eustice , Jessy W. Grizzle , Anthony Bloch , Maani Ghaffari

In the future, extraterrestrial expeditions will not only be conducted by rovers but also by flying robots. The technical demonstration drone Ingenuity, that just landed on Mars, will mark the beginning of a new era of exploration…

In the context of robotic underwater operations, the visual degradations induced by the medium properties make difficult the exclusive use of cameras for localization purpose. Hence, most localization methods are based on expensive…

Robotics · Computer Science 2020-02-28 Maxime Ferrera , Julien Moras , Pauline Trouvé-Peloux , Vincent Creuze

Feature descriptors, such as SIFT and ORB, are well-known for their robustness to illumination changes, which has made them popular for feature-based VSLAM\@. However, in degraded imaging conditions such as low light, low texture, blur and…

Robotics · Computer Science 2016-04-05 Hatem Alismail , Brett Browning , Simon Lucey

Thermal infrared cameras are increasingly being used in various applications such as robot vision, industrial inspection and medical imaging, thanks to their improved resolution and portability. However, the performance of traditional…

Image and Video Processing · Electrical Eng. & Systems 2021-03-16 Manash Pratim Das , Larry Matthies , Shreyansh Daftry

Visual slam technology is one of the key technologies for robot to explore unknown environment independently. Accurate estimation of camera pose based on visual sensor is the basis of autonomous navigation and positioning. However, most…

Robotics · Computer Science 2020-12-01 Deng Su , Dehong Chong

In the absence of reliable and accurate GPS, visual odometry (VO) has emerged as an effective means of estimating the egomotion of robotic vehicles. Like any dead-reckoning technique, VO suffers from unbounded accumulation of drift error…

Robotics · Computer Science 2019-08-09 Lee Clement , Valentin Peretroukhin , Jonathan Kelly

Our paper proposes a direct sparse visual odometry method that combines event and RGB-D data to estimate the pose of agile-legged robots during dynamic locomotion and acrobatic behaviors. Event cameras offer high temporal resolution and…

Robotics · Computer Science 2023-05-17 Shifan Zhu , Zhipeng Tang , Michael Yang , Erik Learned-Miller , Donghyun Kim

Effectively localizing an agent in a realistic, noisy setting is crucial for many embodied vision tasks. Visual Odometry (VO) is a practical substitute for unreliable GPS and compass sensors, especially in indoor environments. While…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Marius Memmel , Roman Bachmann , Amir Zamir

Visual Odometry (VO) is vital for the navigation of autonomous systems, providing accurate position and orientation estimates at reasonable costs. While traditional VO methods excel in some conditions, they struggle with challenges like…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Siyu Chen , Kangcheng Liu , Chen Wang , Shenghai Yuan , Jianfei Yang , Lihua Xie

Recent decades have witnessed a significant increase in the use of visual odometry(VO) in the computer vision area. It has also been used in varieties of robotic applications, for example on the Mars Exploration Rovers. This paper, firstly,…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Haidara Gaoussou , Peng Dewei

Visual odometry is an essential key for a localization module in SLAM systems. However, previous methods require tuning the system to adapt environment changes. In this paper, we propose a learning-based approach for frame-to-frame…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Joosung Lee , Sangwon Hwang , Kyungjae Lee , Woo Jin Kim , Junhyeop Lee , Tae-young Chung , Sangyoun Lee

State-of-the-art forward facing monocular visual-inertial odometry algorithms are often brittle in practice, especially whilst dealing with initialisation and motion in directions that render the state unobservable. In such cases having a…

Robotics · Computer Science 2019-05-15 Bo Fu , Kumar Shaurya Shankar , Nathan Michael

The paper deals with the error analysis of a navigation algorithm that uses as input a sequence of images acquired by a moving camera and a Digital Terrain Map (DTM) of the region been imaged by the camera during the motion. The main…

Computer Vision and Pattern Recognition · Computer Science 2011-08-15 Oleg Kupervasser , Ronen Lerner , Ehud Rivlin , Hector Rotstein

In this paper, we propose a method of targetless and automatic Camera-LiDAR calibration. Our approach is an extension of hand-eye calibration framework to 2D-3D calibration. By using the sensor fusion odometry method, the scaled camera…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Ryoichi Ishikawa , Takeshi Oishi , Katsushi Ikeuchi

With rapid advancements in the area of mobile robotics and industrial automation, a growing need has arisen towards accurate navigation and localization of moving objects. Camera based motion estimation is one such technique which is…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Shashi Poddar , Rahul Kottath , Vinod Karar

We present a novel Visual Odometry algorithm entitled Circular FREAK-ORB (CFORB). This algorithm detects features using the well-known ORB algorithm [12] and computes feature descriptors using the FREAK algorithm [14]. CFORB is invariant to…

Computer Vision and Pattern Recognition · Computer Science 2015-06-18 Daniel J. Mankowitz , Ehud Rivlin

Autonomous Mobile Robots operating in indoor industrial environments require a localization system that is reliable and robust. While Visual Odometry (VO) can offer a reasonable estimation of the robot's state, traditional VO methods…

Robotics · Computer Science 2024-12-05 Abdelhak Bougouffa , Emmanuel Seignez , Samir Bouaziz , Florian Gardes

Visual inertial odometry (VIO) is widely used for the state estimation of multicopters, but it may function poorly in environments with few visual features or in overly aggressive flights. In this work, we propose a perception-aware…

Robotics · Computer Science 2022-08-02 Xiangyu Wu , Shuxiao Chen , Koushil Sreenath , Mark W. Mueller