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This paper presents a new method to recover the relative pose between two images, using three points and the vertical direction information. The vertical direction can be determined in two ways: 1- using direct physical measurement like IMU…

计算机视觉与模式识别 · 计算机科学 2010-11-15 Mahzad Kalantari , Amir Hashemi , Franck Jung , JeanPierre Guedon

We propose two minimal solutions to the problem of relative pose estimation of (i) a calibrated camera from four points in two views and (ii) a calibrated generalized camera from five points in two views. In both cases, the relative…

计算机视觉与模式识别 · 计算机科学 2019-02-01 Evgeniy Martyushev , Bo Li

The pose graph is a core component of Structure-from-Motion (SfM), where images act as nodes and edges encode relative poses. Since geometric verification is expensive, SfM pipelines restrict the pose graph to a sparse set of candidate…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Tong Wei , Giorgos Tolias , Jiri Matas , Daniel Barath

Spacecraft pose estimation is a key task to enable space missions in which two spacecrafts must navigate around each other. Current state-of-the-art algorithms for pose estimation employ data-driven techniques. However, there is an absence…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Juan Ignacio Bravo Pérez-Villar , Álvaro García-Martín , Jesús Bescós

Real-time robotic grasping, supporting a subsequent precise object-in-hand operation task, is a priority target towards highly advanced autonomous systems. However, such an algorithm which can perform sufficiently-accurate grasping with…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Tuan-Tang Le , Trung-Son Le , Yu-Ru Chen , Joel Vidal , Chyi-Yeu Lin

In this letter, we present a novel markerless 3D human motion capture (MoCap) system for unstructured, outdoor environments that uses a team of autonomous unmanned aerial vehicles (UAVs) with on-board RGB cameras and computation. Existing…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Nitin Saini , Elia Bonetto , Eric Price , Aamir Ahmad , Michael J. Black

Recent advances in deep-learning based methods for image matching have demonstrated their superiority over traditional algorithms, enabling correspondence estimation in challenging scenes with significant differences in viewing angles,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Rahul Deshmukh , Avinash Kak

Traditional approaches for Visual Simultaneous Localization and Mapping (VSLAM) rely on low-level vision information for state estimation, such as handcrafted local features or the image gradient. While significant progress has been made…

机器人学 · 计算机科学 2021-08-05 Huaiyang Huang , Haoyang Ye , Yuxiang Sun , Lujia Wang , Ming Liu

This letter presents a novel method to estimate the relative poses between RGB-D cameras with minimal overlapping fields of view in a panoramic RGB-D camera system. This calibration problem is relevant to applications such as indoor 3D…

图像与视频处理 · 电气工程与系统科学 2018-09-11 Hang Liu , Hengyu Li , Xiahua Liu , Jun Luo , Shaorong Xie , Yu Sun

In urban areas, the quality of global navigation satellite system (GNSS) signals deteriorates, leading to reduced positioning accuracy. To address this issue, 3D-mapping-aided (3DMA) techniques, such as shadow matching and zonotope shadow…

信号处理 · 电气工程与系统科学 2025-02-18 Sanghyun Kim , Jiwon Seo

Benchmarking methods for 3d hand tracking is still an open problem due to the difficulty of acquiring ground truth data. We introduce a new dataset and benchmarking protocol that is insensitive to the accumulative error of other protocols.…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Dimitrios Tzionas , Juergen Gall

Monocular 6-DoF pose estimation plays an important role in multiple spacecraft missions. Most existing pose estimation approaches rely on single images with static keypoint localisation, failing to exploit valuable temporal information…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Jose Sosa , Dan Pineau , Arunkumar Rathinam , Abdelrahman Shabayek , Djamila Aouada

In this paper, we propose an novel implementation of a simultaneous localization and mapping (SLAM) system based on a monocular camera from an unmanned aerial vehicle (UAV) using Depth prediction performed with Capsule Networks (CapsNet),…

机器人学 · 计算机科学 2018-08-17 Sunil Prakash , Gaelan Gu

This article studies the problem of distributed formation control for multiple robots by using onboard ultra wide band (UWB) distance and inertial odometer (IO) measurements. Although this problem has been widely studied, a fundamental…

机器人学 · 计算机科学 2026-04-15 Kunrui Ze , Wei Wang , Shuoyu Yue , Guibin Sun , Kexin Liu , Jinhu Lü

Accurate relative pose is one of the key components in visual odometry (VO) and simultaneous localization and mapping (SLAM). Recently, the self-supervised learning framework that jointly optimizes the relative pose and target image depth…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Tianwei Shen , Zixin Luo , Lei Zhou , Hanyu Deng , Runze Zhang , Tian Fang , Long Quan

In this paper, we investigate the problem of controlling multiple unmanned aerial vehicles (UAVs) to enclose a moving target in a distributed fashion based on a relative distance and self-displacement measurements. A relative localization…

系统与控制 · 电气工程与系统科学 2023-07-31 Xueming Liu , Kunda Liu , Tianjiang Hu , Qingrui Zhang

Tracking the object 6-DoF pose is crucial for various downstream robot tasks and real-world applications. In this paper, we investigate the real-world robot task of aerial vision guidance for aerial robotics manipulation, utilizing…

机器人学 · 计算机科学 2024-01-17 Jingtao Sun , Yaonan Wang , Danwei Wang

Navigation solutions suitable for cases when both autonomous robot's pose (\textit{i.e}., attitude and position) and its environment are unknown are in great demand. Simultaneous Localization and Mapping (SLAM) fulfills this need by…

系统与控制 · 电气工程与系统科学 2022-04-04 Hashim A. Hashim , Abdelrahman E. E. Eltoukhy

We present a novel target-based lidar-camera extrinsic calibration methodology that can be used for non-overlapping field of view (FOV) sensors. Contrary to previous work, our methodology overcomes the non-overlapping FOV challenge using a…

机器人学 · 计算机科学 2025-03-04 Nicholas Charron , Huaiyuan Weng , Steven L. Waslander , Sriram Narasimhan

We consider the problem of sample-based feedback-based motion planning from bearing (direction-only) measurements. We build on our previous work that defines a cell decomposition of the environment using RRT*, and finds an output feedback…

机器人学 · 计算机科学 2022-03-10 Mahroo Bahreinian , Marc Mitjans , Roy Xing , Roberto Tron