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The use of rendered images, whether from completely synthetic datasets or from 3D reconstructions, is increasingly prevalent in vision tasks. However, little attention has been given to how the selection of viewpoints affects the…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Kyle Genova , Manolis Savva , Angel X. Chang , Thomas Funkhouser

Accurate localization is an essential technology for the flexible navigation of robots in large-scale environments. Both SLAM-based and map-based localization will increase the computing load due to the increase in map size, which will…

机器人学 · 计算机科学 2024-04-30 Yixiao Feng , Zhou Jiang , Yongliang Shi , Yunlong Feng , Xiangyu Chen , Hao Zhao , Guyue Zhou

Despite the popularity and empirical success of patch-based nearest-neighbor and weighted majority voting approaches to medical image segmentation, there has been no theoretical development on when, why, and how well these nonparametric…

计算机视觉与模式识别 · 计算机科学 2015-10-07 George Chen , Devavrat Shah , Polina Golland

Sensor nodes are low cost, low power devices that are used to collect physical data and monitor environmental conditions from remote locations. Wireless Sensor Networks(WSN) are collection of sensor nodes, coordinating among themselves to…

网络与互联网体系结构 · 计算机科学 2013-03-18 Deepali Virmani , Satbir Jain

Localization of robots is vital for navigation and path planning, such as in cases where a map of the environment is needed. Ultra-Wideband (UWB) for indoor location systems has been gaining popularity over the years with the introduction…

机器人学 · 计算机科学 2022-06-23 Muhammad Shalihan , Ran Liu , Chau Yuen

This paper presents a novel approach to computing vector road maps from satellite remotely sensed images, building upon a well-defined Patched Line Segment (PaLiS) representation for road graphs that holds geometric significance. Unlike…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Jiakun Xu , Bowen Xu , Gui-Song Xia , Liang Dong , Nan Xue

This work addresses the problem of intelligent reflecting surface (IRS) assisted target sensing in a non-line-of-sight (NLOS) scenario, where an IRS is employed to facilitate the radar/access point (AP) to sense the targets when the…

信号处理 · 电气工程与系统科学 2024-07-03 Jilin Wang , Jun Fang , Hongbin Li , Lei Huang

In this paper, a sensing-assisted non-line-of-sight (NLoS) identification method for dynamic uncrewed aerial vehicle (UAV) positioning is proposed for the first time. For urban UAV-to-ground scenarios, a new multi-modal…

信号处理 · 电气工程与系统科学 2026-05-14 Huijuan Qiao , Lu Bai , Mingran Sun , Mengyuan Lu , Jiajing Chen , Xiang Cheng

Positioning problem can be solved with several approaches in 5G. This paper introduces RT (Ray Tracing) technique for small-cell Outdoor positioning and tracking for systems with distributed architecture with multipath processing gain.…

信号处理 · 电气工程与系统科学 2023-05-19 Vladislav Ryzhov

We propose a new approach towards RSS (Received Signal Strength) based wireless localisation for scenarios where, instead of absolute positioning of an object, only the information whether an object is inside or outside of a specific area…

网络与互联网体系结构 · 计算机科学 2018-01-19 Cam Ly Nguyen , Aftab Khan

Many applications require a camera to be relocalised online, without expensive offline training on the target scene. Whilst both keyframe and sparse keypoint matching methods can be used online, the former often fail away from the training…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Tommaso Cavallari , Luca Bertinetto , Jishnu Mukhoti , Philip Torr , Stuart Golodetz

This paper presents a collaborative implicit neural simultaneous localization and mapping (SLAM) system with RGB-D image sequences, which consists of complete front-end and back-end modules including odometry, loop detection, sub-map…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

Accurately and efficiently addressing the multiple source localization (MSL) problem in urban environments, particularly designing a general method adaptable to an arbitrary number of sources, plays a crucial role in various fields such as…

信号处理 · 电气工程与系统科学 2025-12-19 Qilu Zhang , Hongying Tang , Wen Chen , Ziyi Song , Jiang Wang

This paper deals with the problem of localization in a cellular network in a dense urban scenario. Global Navigation Satellite Systems (GNSS) typically perform poorly in urban environments, where the likelihood of line-of-sight conditions…

机器学习 · 计算机科学 2022-02-04 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

In this paper, we design an information-based multi-robot source seeking algorithm where a group of mobile sensors localizes and moves close to a single source using only local range-based measurements. In the algorithm, the mobile sensors…

机器人学 · 计算机科学 2023-09-14 Tianpeng Zhang , Victor Qin , Yujie Tang , Na Li

This manuscript is a preliminary pre-print version of a journal submission by the authors, revisiting the problem of range measurement based localization of a signal source or a sensor. The major geometric difficulty of the problem comes…

最优化与控制 · 数学 2013-10-29 Baris Fidan , Fatma Kiraz

In this paper, we study the localization problem in dense urban settings. In such environments, Global Navigation Satellite Systems fail to provide good accuracy due to low likelihood of line-of-sight (LOS) links between the receiver (Rx)…

信号处理 · 电气工程与系统科学 2022-12-02 Çağkan Yapar , Fabian Jaensch , Ron Levie , Giuseppe Caire

Weakly supervised semantic segmentation (WSSS) methods are often built on pixel-level localization maps obtained from a classifier. However, training on class labels only, classifiers suffer from the spurious correlation between foreground…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Jungbeom Lee , Seong Joon Oh , Sangdoo Yun , Junsuk Choe , Eunji Kim , Sungroh Yoon

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

In this work a novel approach for weakly supervised object detection that incorporates pointwise mutual information is presented. A fully convolutional neural network architecture is applied in which the network learns one filter per object…

计算机视觉与模式识别 · 计算机科学 2018-01-29 Rene Grzeszick , Sebastian Sudholt , Gernot A. Fink