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Hyperspectral images offer extensive spectral information about ground objects across multiple spectral bands. However, the large volume of data can pose challenges during processing. Typically, adjacent bands in hyperspectral data are…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Dibyabha Deb , Ujjwal Verma

Recently, the decentralized baseband processing (DBP) paradigm and relevant detection methods have been proposed to enable extremely large-scale massive multiple-input multiple-output technology. Under the DBP architecture, base station…

信号处理 · 电气工程与系统科学 2023-05-23 Xiaotong Zhao , Mian Li , Bo Wang , Enbin Song , Tsung-Hui Chang , Qingjiang Shi

This paper attempts to undertake the study of segmentation image techniques by using five threshold methods as Mean method, P-tile method, Histogram Dependent Technique (HDT), Edge Maximization Technique (EMT) and visual Technique and they…

计算机视觉与模式识别 · 计算机科学 2010-05-24 Salem Saleh Al-amri , N. V. Kalyankar , Khamitkar S. D.

Extracting information from geographic images and text is crucial for autonomous vehicles to determine in advance the best cell stations to connect to along their future path. Multiple artificial neural network models can address this…

计算与语言 · 计算机科学 2023-06-05 Antoine Le Borgne , Xavier Marjou , Fanny Parzysz , Tayeb Lemlouma

Publicly available satellite imagery can be an ubiquitous, cheap, and powerful tool for vehicle localisation when a prior sensor map is unavailable. However, satellite images are not directly comparable to data from ground range sensors…

机器人学 · 计算机科学 2020-09-24 Tim Y. Tang , Daniele De Martini , Shangzhe Wu , Paul Newman

Remote sensing offers a highly effective method for obtaining accurate information on total cropped area and crop types. The study focuses on crop cover identification for irrigated regions of Central Punjab. Data collection was executed in…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Zeeshan Ramzan , Nisar Ahmed , Qurat-ul-Ain Akram , Shahzad Asif , Muhammad Shahbaz , Rabin Chakrabortty , Ahmed F. Elaksher

This paper addresses the problem of vehicle-mounted camera localization by matching a ground-level image with an overhead-view satellite map. Existing methods often treat this problem as cross-view image retrieval, and use learned deep…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Yujiao Shi , Hongdong Li

Probabilistic cataloging (PCAT) outperforms traditional cataloging methods on single-band optical data in crowded fields (Portillo et al. 2017). We extend our work to multiple bands, achieving greater sensitivity ($\sim$ 0.4 mag) and…

天体物理仪器与方法 · 物理学 2020-03-25 Richard M. Feder , Stephen K. N. Portillo , Tansu Daylan , Douglas Finkbeiner

In this paper, we study efficient \emph{mixed near-field and far-field} target localization methods in extremely large-scale multiple-input multiple-output (XL-MIMO) systems Compared with existing works, we address two new challenges in…

信号处理 · 电气工程与系统科学 2026-02-12 Cong Zhou , Changsheng You , Chao Zhou , Hongqiang Cheng , Shuo Shi

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Pyramidal networks are standard methods for multi-scale object detection. Current researches on feature pyramid networks usually adopt layer connections to collect features from certain levels of the feature hierarchy, and do not consider…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Junliang Chen , Weizeng Lu , Linlin Shen

Despite recent development in methodology, community detection remains a challenging problem. Existing literature largely focuses on the standard setting where a network is learned using an observed adjacency matrix from a single data…

统计方法学 · 统计学 2018-06-21 Luwan Zhang , Katherine Liao , Issac Kohane , Tianxi Cai

This paper investigates the design of channel estimation and 3D localization algorithms in a challenging scenario, where a sub-connected planar extremely large-scale multiple-input multiple-output (XL-MIMO) communicates with multi-antenna…

信号处理 · 电气工程与系统科学 2025-10-24 Kangda Zhi , Tianyu Yang , Songyan Xue , Giuseppe Caire

In this article we compare the cross-correlation and breakfinder techniques applied to the measurements of redshifts from low-resolution spectra. We assume spectra obtained from multinarrowband imagery, a technique for multi-object…

天体物理学 · 物理学 2009-10-28 R. Cabanac , E. F. Borra

Tracking and measuring targets using a variety of sensors mounted on UAVs is an effective means to quickly and accurately locate the target. This paper proposes a fusion localization method based on ridge estimation, combining the…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Huayu Huang , Chen Chen , Banglei Guan , Ze Tan , Yang Shang , Zhang Li , Qifeng Yu

In this paper, we propose SpotNet: a fast, single stage, image-centric but LiDAR anchored approach for long range 3D object detection. We demonstrate that our approach to LiDAR/image sensor fusion, combined with the joint learning of 2D and…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Louis Foucard , Samar Khanna , Yi Shi , Chi-Kuei Liu , Quinn Z Shen , Thuyen Ngo , Zi-Xiang Xia

A satellite image is a remotely sensed image data, where each pixel represents a specific location on earth. The pixel value recorded is the reflection radiation from the earth's surface at that location. Multispectral images are those that…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Purbarag Pathak Choudhury , Ujjal Kr Dutta , Dhruba Kr Bhattacharyya

Millimeter wave multiple-input multiple-output (MIMO) communication systems must operate over sparse wireless links and will require large antenna arrays to provide high throughput. To achieve sufficient array gains, these systems must…

信号处理 · 电气工程与系统科学 2019-04-17 Wei Zhang , Taejoon Kim , David J. Love

This paper presents a novel method of landslide detection by exploiting the Mask R-CNN capability of identifying an object layout by using a pixel-based segmentation, along with transfer learning used to train the proposed model. A data set…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Silvia Liberata Ullo , Amrita Mohan , Alessandro Sebastianelli , Shaik Ejaz Ahamed , Basant Kumar , Ramji Dwivedi , G. R. Sinha

The segmentation of satellite images is crucial in remote sensing applications. Existing methods face challenges in recognizing small-scale objects in satellite images for semantic segmentation primarily due to ignoring the low-level…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Tareque Bashar Ovi , Shakil Mosharrof , Nomaiya Bashree , Md Shofiqul Islam , Muhammad Nazrul Islam