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Existence of symmetric objects, whose observation at different viewpoints can be identical, can deteriorate the performance of simultaneous localization and mapping(SLAM). This work proposes a system for robustly optimizing the pose of…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Taekbeom Lee , Youngseok Jang , H. Jin Kim

In this paper, the problem of target localization in the presence of outlying sensors is tackled. This problem is important in practice because in many real-world applications the sensors might report irrelevant data unintentionally or…

最优化与控制 · 数学 2018-02-15 Alireza Zaeemzadeh , Mohsen Joneidi , Behzad Shahrasbi , Nazanin Rahnavard

Low complexity joint estimation of synchronization impairments and channel in a single-user MIMO-OFDM system is presented in this letter. Based on a system model that takes into account the effects of synchronization impairments such as…

信息论 · 计算机科学 2013-04-30 Renu Jose , Sooraj K. Ambat , K. V. S. Hari

We introduce Ground-Fusion, a low-cost sensor fusion simultaneous localization and mapping (SLAM) system for ground vehicles. Our system features efficient initialization, effective sensor anomaly detection and handling, real-time dense…

机器人学 · 计算机科学 2024-02-23 Jie Yin , Ang Li , Wei Xi , Wenxian Yu , Danping Zou

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

This study addresses the classification of defects in apples as a crucial measure to mitigate economic losses and optimize the food supply chain. An innovative approach is employed that integrates images from the visible spectrum and 660 nm…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Omar Coello , Moisés Coronel , Darío Carpio , Boris Vintimilla , Luis Chuquimarca

We present five methods to the problem of network anomaly detection. These methods cover most of the common techniques in the anomaly detection field, including Statistical Hypothesis Tests (SHT), Support Vector Machines (SVM) and…

机器学习 · 统计学 2013-09-20 Jing Wang , Daniel Rossell , Christos G. Cassandras , Ioannis Ch. Paschalidis

Channel Estimation is an essential component in applications such as radar and data communication. In multi path time varying environments, it is necessary to estimate time-shifts, scale-shifts (the wideband equivalent of Doppler-shifts),…

信息论 · 计算机科学 2009-06-05 Brian Carroll

In this paper, we consider the channel estimation problem in sub-6 GHz uplink wideband MIMO-OFDM communication systems, where a user equipment with a fully-digital beamforming structure is communicating with a base station having a hybrid…

信号处理 · 电气工程与系统科学 2023-04-14 Sepideh Gherekhloo , Khaled Ardah , Martin Haardt

Accurate classification of transients obtained from spectroscopic data are important to understand their nature and discover new classes of astronomical objects. For supernovae (SNe), SNID, NGSF (a Python version of SuperFit), and DASH are…

Channel state information (CSI) is very crucial for any wireless communication systems. Typically, CSI can be characterized at the receiver side using channel impulse response (CIR). Many observations have shown that the CIR of broadband…

信号处理 · 电气工程与系统科学 2018-12-12 Ahmed M. Abd El-Moaty , Azzedine Zerguine

Accurate precise positioning at millimeter wave frequencies is possible due to the large available bandwidth that permits precise on-the-fly time of flight measurements using conventional air interface standards. In addition, narrow antenna…

信息论 · 计算机科学 2019-08-27 Ojas Kanhere , Shihao Ju , Yunchou Xing , Theodore S. Rappaport

Detecting small objects, such as drones, over long distances presents a significant challenge with broad implications for security, surveillance, environmental monitoring, and autonomous systems. Traditional imaging-based methods rely on…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Junran Guo , Tonglin Mu , Keyuan Li , Jianing Li , Ziyang Luo , Ye Chen , Xiaodong Fan , Jinquan Huang , Minjie Liu , Jinbei Zhang , Ruoyang Qi , Naiting Gu , Shihai Sun

The ground-to-satellite image matching/retrieval was initially proposed for city-scale ground camera localization. This work addresses the problem of improving camera pose accuracy by ground-to-satellite image matching after a coarse…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Yujiao Shi , Hongdong Li , Akhil Perincherry , Ankit Vora

Polarimetric synthetic aperture radar (PolSAR) has achieved a prominent position as a remote imaging method. However, PolSAR images are contaminated by speckle noise due to the coherent illumination employed during the data acquisition.…

The multilayer structure is a promising technique used to minimize the size of planar microstrip filters. In the flexible design and incorporation of other microwave components, multilayer band-pass filter results in better and enhanced…

信号处理 · 电气工程与系统科学 2021-10-11 Qazwan Abdullah , Ömer Aydoğdu , Adeeb Salh , Nabil Farah , Md Hairul Nizam Talib , Taha Sadeq , Mohammed A. A. Al-Mekhalfi , Abdu Saif

In this study, we propose a novel parallel processing method for point cloud ground segmentation, aimed at the technology evolution from mechanical to solid-state Lidar (SSL). We first benchmark point-based, grid-based, and range…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Xiao Zhang , Zhanhong Huang , Garcia Gonzalez Antony , Xinming Huang

In the United States, the Federal Communications Commission has adopted rules permitting commercial wireless networks to share spectrum with federal incumbents in the 3.5~GHz Citizens Broadband Radio Service band. These rules require…

信号处理 · 电气工程与系统科学 2023-08-22 W. Max Lees , Adam Wunderlich , Peter Jeavons , Paul D. Hale , Michael R. Souryal

This paper focuses on two main issues; first one is the impact of combination of multi-sensor images on the supervised learning classification accuracy using segment Fusion (SF). The second issue attempts to undertake the study of…

计算机视觉与模式识别 · 计算机科学 2013-08-22 AL-Wassai Firouz , N. V. Kalyankar

Multi-platform radar networks (MPRNs) are an emerging sensing technology due to their ability to provide improved surveillance capabilities over plain monostatic and bistatic systems. The design of advanced detection, localization, and…

信号处理 · 电气工程与系统科学 2023-08-15 Angela Marino , Giovanni Soldi , Domenico Gaglione , Augusto Aubry , Paolo Braca , Antonio De Maio , Peter Willett