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In this paper, we propose graph signal processing based imaging for synthetic aperture radar. We present a modified version of fused least absolute shrinkage and selection operator to cater for graph structure of the radar image. We solve…

信号处理 · 电气工程与系统科学 2019-10-08 Shahzad Gishkori , Bernard Mulgrew

Automatic Target Recognition (ATR) in Synthetic aperture radar (SAR) images becomes a very challenging problem owing to containing high level noise. In this study, a machine learning-based method is proposed to detect different moving and…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Umut Özkaya

Spatial transcriptomics (ST) has emerged as an advanced technology that provides spatial context to gene expression. Recently, deep learning-based methods have shown the capability to predict gene expression from WSI data using ST data.…

机器学习 · 计算机科学 2024-12-10 Mingcheng Qu , Yuncong Wu , Donglin Di , Anyang Su , Tonghua Su , Yang Song , Lei Fan

Semantic segmentation with fine-grained pixel-level accuracy is a fundamental component of a variety of computer vision applications. However, despite the large improvements provided by recent advances in the architectures of convolutional…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Philipe A. Dias , Henry Medeiros

Mapper algorithm can be used to build graph-based representations of high-dimensional data capturing structurally interesting features such as loops, flares or clusters. The graph can be further annotated with additional colouring of…

数值分析 · 数学 2020-12-04 Ciara Frances Loughrey , Nick Orr , Anna Jurek-Loughrey , Paweł Dłotko

Most previous works of outdoor instance segmentation for images only use color information. We explore a novel direction of sensor fusion to exploit stereo cameras. Geometric information from disparities helps separate overlapping objects…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Cho-Ying Wu , Xiaoyan Hu , Michael Happold , Qiangeng Xu , Ulrich Neumann

Rapid sampling from the environment to acquire available frontier points and timely incorporating them into subsequent planning to reduce fragmented regions are critical to improve the efficiency of autonomous exploration. We propose HPHS,…

机器人学 · 计算机科学 2024-07-22 Shijun Long , Ying Li , Chenming Wu , Bin Xu , Wei Fan

The Back-Projection Algorithm (BPA) is a time domain matched filtering technique to form synthetic aperture radar (SAR) images. To produce high quality BPA images, precise navigation data for the radar platform must be known. Any error in…

信号处理 · 电气工程与系统科学 2024-10-30 Colton Lindstrom , Randall Christensen , Jacob Gunther

We present a novel application of a recently-proposed matrix-parametrized proximal splitting method to sensor network localization, the problem of estimating the locations of a set of sensors using only noisy pairwise distance information…

最优化与控制 · 数学 2025-03-18 Peter Barkley , Robert L. Bassett

In this paper, we present a novel non-parametric clustering technique. Our technique is based on the notion that each latent cluster is comprised of layers that surround its core, where the external layers, or border points, implicitly…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Hadar Averbuch-Elor , Nadav Bar , Daniel Cohen-Or

Optical image data have been used by the Remote Sensing workforce to study land use and cover since such data is easily interpretable. Synthetic Aperture Radar (SAR) has the characteristic of obtaining images during all-day, all-weather and…

图像与视频处理 · 电气工程与系统科学 2021-06-04 Battula Balnarsaiah , G Rajitha

Synthetic aperture radar (SAR) can measure the phase with antenna and microwave, which cannot be directly extended to visible light imaging due to phase lost. In this letter, we reported an active remote sensing with visible light via…

光学 · 物理学 2022-04-26 Meng Xiang , An Pan , Yiyi Zhao , Xuewu Fan , Hui Zhao , Chuang Li , Baoli Yao

The Spectral Airglow Temperature Imager is an instrument, specially designed for investigation of the wave processes in the Mesosphere-Lower Thermosphere. In order to determine the kinematic parameters of a wave, the values of a physical…

数据分析、统计与概率 · 物理学 2011-07-12 Atanas Marinov Atanassov

Image feature matching plays a vital role in many computer vision tasks. Although many image feature detection and matching techniques have been proposed over the past few decades, it is still time-consuming to match feature points in two…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Chin-Hung Teng , Ben-Jian Dong

Synchrotron radiation facilities provide highly polarized X-ray beams across a wide energy range. However, the exact type and degree of polarization varies according to the beamline and experimental setup. To accurately determine the angle…

仪器与探测器 · 物理学 2024-05-31 L. Manzanillas , J. M. Ablett , M. Choukroun , F. J. Iguaz , J. P. Rueff

This research proposes a Ground Penetrating Radar (GPR) data processing method for non-destructive detection of tunnel lining internal defects, called defect segmentation. To perform this critical step of automatic tunnel lining detection,…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Senlin Yang , Zhengfang Wang , Jing Wang , Anthony G. Cohn , Jiaqi Zhang , Peng Jiang , Peng Jiang , Qingmei Sui

Imaging polarimetry is a useful tool to reveal the 3D structure of dust distributions and to localize embedded young stellar objects. We present maps of the linear polarization at 2.2 micron for three ultra-compact HII regions…

天体物理学 · 物理学 2007-05-23 Bringfried Stecklum , Thomas Henning , Markus Feldt , Hans-Ulrich Kaeufl , Sebastian Wolf

In this paper we are proposing classification algorithm for multifrequency Polarimetric Synthetic Aperture Radar (PolSAR) image. Using PolSAR decomposition algorithms 33 features are extracted from each frequency band of the given image.…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Tushar Gadhiya , Sumanth Tangirala , Anil K. Roy

Accurate mapping of agricultural field boundaries is essential for the efficient operation of agriculture. Automatic extraction from high-resolution satellite imagery, supported by computer vision techniques, can avoid costly ground…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Carmelo Scribano , Elena Govi , Paolo Bertellini , Simone Parisi , Giorgia Franchini , Marko Bertogna

Autonomous navigation in unstructured off-road environments is greatly improved by semantic scene understanding. Conventional image processing algorithms are difficult to implement and lack robustness due to a lack of structure and high…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Anthony Medellin , Anant Bhamri , Reza Langari , Swaminathan Gopalswamy
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