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Related papers: KFNet: Learning Temporal Camera Relocalization usi…

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Simultaneous localization and mapping (SLAM) is a method that constructs a map of an unknown environment and localizes the position of a moving agent on the map simultaneously. Extended Kalman filter (EKF) has been widely adopted as a low…

Signal Processing · Electrical Eng. & Systems 2022-10-19 Geon Choi , Jeonghun Park , Nir Shlezinger , Yonina C. Eldar , Namyoon Lee

The existing human pose estimation methods are confronted with inaccurate long-distance regression or high computational cost due to the complex learning objectives. This work proposes a novel deep learning framework for human pose…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 ZiFan Chen , Xin Qin , Chao Yang , Li Zhang

Camera relocalisation is an important problem in computer vision, with applications in simultaneous localisation and mapping, virtual/augmented reality and navigation. Common techniques either match the current image against keyframes with…

Computer Vision and Pattern Recognition · Computer Science 2017-06-27 Tommaso Cavallari , Stuart Golodetz , Nicholas A. Lord , Julien Valentin , Luigi Di Stefano , Philip H. S. Torr

Temporal action localization is an important and challenging task that aims to locate temporal regions in real-world untrimmed videos where actions occur and recognize their classes. It is widely acknowledged that video context is a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xin Qin , Hanbin Zhao , Guangchen Lin , Hao Zeng , Songcen Xu , Xi Li

We consider the problem of relative pose regression in visual relocalization. Recently, several promising approaches have emerged in this area. We claim that even though they demonstrate on the same datasets using the same split to train…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Amir Shalev , Omer Achrack , Brian Fulkerson , Ben-Zion Bobrovsky

Convolutional neural networks (CNNs) and transfer learning have recently been used for 6 degrees of freedom (6-DoF) camera pose estimation. While they do not reach the same accuracy as visual SLAM-based approaches and are restricted to a…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Soroush Seifi , Tinne Tuytelaars

The Kalman filter (KF) is a widely-used algorithm for tracking dynamic systems that are captured by state space (SS) models. The need to fully describe a SS model limits its applicability under complex settings, e.g., when tracking based on…

Signal Processing · Electrical Eng. & Systems 2023-04-21 Itay Buchnik , Damiano Steger , Guy Revach , Ruud J. G. van Sloun , Tirza Routtenberg , Nir Shlezinger

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

Human pose estimation in video relies on local information by either estimating each frame independently or tracking poses across frames. In this paper, we propose a novel method combining local approaches with global context. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yuexi Zhang , Yin Wang , Octavia Camps , Mario Sznaier

High-precision localization is pivotal in underwater reinspection missions. Traditional localization methods like inertial navigation systems, Doppler velocity loggers, and acoustic positioning face significant challenges and are not…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Luyuan Peng , Hari Vishnu , Mandar Chitre , Yuen Min Too , Bharath Kalyan , Rajat Mishra , Soo Pieng Tan

The objective of this work is human pose estimation in videos, where multiple frames are available. We investigate a ConvNet architecture that is able to benefit from temporal context by combining information across the multiple frames…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Tomas Pfister , James Charles , Andrew Zisserman

This paper tackles the problem of Cross-view Video-based camera Localization (CVL). The task is to localize a query camera by leveraging information from its past observations, i.e., a continuous sequence of images observed at previous time…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Yujiao Shi , Xin Yu , Shan Wang , Hongdong Li

Localization in topological maps is essential for image-based navigation using an RGB camera. Localization using only one camera can be challenging in medium-to-large-sized environments because similar-looking images are often observed…

Robotics · Computer Science 2022-04-29 Takahiro Niwa , Shun Taguchi , Noriaki Hirose

Image-based localization, or camera relocalization, is a fundamental problem in computer vision and robotics, and it refers to estimating camera pose from an image. Recent state-of-the-art approaches use learning based methods, such as…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Xiaotian Li , Juha Ylioinas , Juho Kannala

Machine learning techniques, namely convolutional neural networks (CNN) and regression forests, have recently shown great promise in performing 6-DoF localization of monocular images. However, in most cases image-sequences, rather only…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Ronald Clark , Sen Wang , Andrew Markham , Niki Trigoni , Hongkai Wen

We address the problem of camera pose estimation in visual localization. Current regression-based methods for pose estimation are trained and evaluated scene-wise. They depend on the coordinate frame of the training dataset and show a low…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Boris Chidlovskii , Assem Sadek

LiDAR semantic segmentation plays a crucial role in enabling autonomous driving and robots to understand their surroundings accurately and robustly. A multitude of methods exist within this domain, including point-based, range-image-based,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rong Li , ShiJie Li , Xieyuanli Chen , Teli Ma , Juergen Gall , Junwei Liang

Extended Kalman filter (EKF) does not guarantee consistent mean and covariance under linearization, even though it is the main framework for robotic localization. While Lie group improves the modeling of the state space in localization, the…

Robotics · Computer Science 2019-01-28 Tsang-Kai Chang , Shengkang Chen , Ankur Mehta

Deep learning has shown to be effective for robust and real-time monocular image relocalisation. In particular, PoseNet is a deep convolutional neural network which learns to regress the 6-DOF camera pose from a single image. It learns to…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Alex Kendall , Roberto Cipolla

Modern deep learning techniques that regress the relative camera pose between two images have difficulty dealing with challenging scenarios, such as large camera motions resulting in occlusions and significant changes in perspective that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Kefan Chen , Noah Snavely , Ameesh Makadia