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For applications such as autonomous driving, self-localization/camera pose estimation and scene parsing are crucial technologies. In this paper, we propose a unified framework to tackle these two problems simultaneously. The uniqueness of…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Peng Wang , Ruigang Yang , Binbin Cao , Wei Xu , Yuanqing Lin

Mapping and localization is a critical module of autonomous driving, and significant achievements have been reached in this field. Beyond Global Navigation Satellite System (GNSS), research in point cloud registration, visual feature…

机器人学 · 计算机科学 2020-04-06 Weisong Wen , Yiyang Zhou , Guohao Zhang , Saman Fahandezh-Saadi , Xiwei Bai , Wei Zhan , Masayoshi Tomizuka , Li-Ta Hsu

Indoor localization systems often fuse inertial odometry with map information via hand-defined methods to reduce odometry drift, but such methods are sensitive to noise and struggle to generalize across odometry sources. To address the…

机器人学 · 计算机科学 2022-11-15 Dennis Melamed , Karnik Ram , Vivek Roy , Kris Kitani

Weakly supervised localization aims at finding target object regions using only image-level supervision. However, localization maps extracted from classification networks are often not accurate due to the lack of fine pixel-level…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Xiaolin Zhang , Yunchao Wei , Yi Yang

This paper has been withdrawn by the authors. Cellular network data has become a hot source of study for extraction of user-mobility and spatio-temporal trends. Location binding in mobility data can be done through different methods like…

网络与互联网体系结构 · 计算机科学 2012-09-24 Shafqat Ali Shad , Enhong Chen

This paper improves visual-inertial systems to boost the localization accuracy for low-cost rescue robots. When robots traverse on rugged terrain, the performance of pose estimation suffers from big noise on the measurements of the inertial…

机器人学 · 计算机科学 2020-11-18 Xiaoling Long , Qingwen Xu , Yijun Yuan , Zhenpeng He , Sören Schwertfeger

For reliable operation, next generation autonomous agents will need enhanced situational perception as well as precise navigation capabilities. The global navigation satellite system (GNSS) signals that are utilized by practically all…

信号处理 · 电气工程与系统科学 2020-07-30 Nicolas Souli , Panayiotis Kolios , Georgios Ellinas

Computer vision is used in this work to detect lighting elements in buildings with the goal of improving the accuracy of previous methods to provide a precise inventory of the location and state of lamps. Using the framework developed in…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Francisco Troncoso-Pastoriza , Pablo Eguía-Oller , Rebeca P. Díaz-Redondo , Enrique Granada-Álvarez , Aitor Erkoreka

In this article, the prospects and enabling technologies for high-efficiency device positioning and location-aware communications in emerging 5G networks are reviewed. We will first describe some key technical enablers and demonstrate by…

信息论 · 计算机科学 2017-04-25 Mike Koivisto , Aki Hakkarainen , Mário Costa , Petteri Kela , Kari Leppänen , Mikko Valkama

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…

机器人学 · 计算机科学 2022-04-29 Takahiro Niwa , Shun Taguchi , Noriaki Hirose

Relative localization between autonomous robots without infrastructure is crucial to achieve their navigation, path planning, and formation in many applications, such as emergency response, where acquiring a prior knowledge of the…

In contemporary imaging systems, achieving optimal auto-focus (AF) performance hinges on precise lens positioning. Extensive research has delved into refining algorithms for determining the ideal lens position across passive, active, and…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Ali Karaoglu

Visual relocalization aims to estimate the pose of a camera from one or more images. In recent years deep learning based pose regression methods have attracted many attentions. They feature predicting the absolute poses without relying on…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Chengyu Qiao , Zhiyu Xiang , Xinglu Wang

Visual Localization is an essential component in autonomous navigation. Existing approaches are either based on the visual structure from SLAM/SfM or the geometric structure from dense mapping. To take the advantages of both, in this work,…

机器人学 · 计算机科学 2020-11-10 Huaiyang Huang , Haoyang Ye , Jianhao Jiao , Yuxiang Sun , Ming Liu

We devise an algorithm using a Bayesian optimization framework in conjunction with contextual visual data for the efficient localization of objects in still images. Recent research has demonstrated substantial progress in object…

计算机视觉与模式识别 · 计算机科学 2017-09-21 Anthony D. Rhodes , Jordan Witte , Melanie Mitchell , Bruno Jedynak

Reliable and accurate lane detection has been a long-standing problem in the field of autonomous driving. In recent years, many approaches have been developed that use images (or videos) as input and reason in image space. In this paper we…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Min Bai , Gellert Mattyus , Namdar Homayounfar , Shenlong Wang , Shrinidhi Kowshika Lakshmikanth , Raquel Urtasun

Cross-view geo-localization is the problem of estimating the position and orientation (latitude, longitude and azimuth angle) of a camera at ground level given a large-scale database of geo-tagged aerial (e.g., satellite) images. Existing…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Yujiao Shi , Xin Yu , Dylan Campbell , Hongdong Li

We present a robust and real-time monocular six degree of freedom visual relocalization system. We use a Bayesian convolutional neural network to regress the 6-DOF camera pose from a single RGB image. It is trained in an end-to-end manner…

计算机视觉与模式识别 · 计算机科学 2016-02-19 Alex Kendall , Roberto Cipolla

An algorithm for pose and motion estimation using corresponding features in omnidirectional images and a digital terrain map is proposed. In previous paper, such algorithm for regular camera was considered. Using a Digital Terrain (or…

计算机视觉与模式识别 · 计算机科学 2011-08-17 Ronen Lerner , Oleg Kupervasser , Ehud Rivlin

Accurate indoor positioning for wireless communication systems represents an important step towards enhanced reliability and security, which are crucial aspects for realizing Industry 4.0. In this context, this paper presents an…

信号处理 · 电气工程与系统科学 2023-06-07 Ivo Bizon , Zhongju Li , Ahmad Nimr , Marwa Chafii , Gerhard P. Fettweis