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相关论文: A PolSAR Scattering Power Factorization Framework …

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In this letter, we propose a novel technique for obtaining scattering components from Polarimetric Synthetic Aperture Radar (PolSAR) data using the geodesic distance on the unit sphere. This geodesic distance is obtained between an…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Debanshu Ratha , Avik Bhattacharya , Alejandro C. Frery

In this letter, a methodology is proposed to improve the scattering powers obtained from model-based decomposition using Polarimetric Synthetic Aperture Radar (PolSAR) data. The novelty of this approach lies in utilizing the intrinsic…

数据分析、统计与概率 · 物理学 2025-05-27 D. Ratha , M. Surendar , A. Bhattacharya

Vision foundation models in remote sensing have been extensively studied due to their superior generalization on various downstream tasks. Synthetic Aperture Radar (SAR) offers all-day, all-weather imaging capabilities, providing…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Mengyu Wang , Hanbo Bi , Yingchao Feng , Linlin Xin , Shuo Gong , Tianqi Wang , Zhiyuan Yan , Peijin Wang , Wenhui Diao , Xian Sun

We present MAPFF1.0, a determination of unpolarised charged-pion fragmentation functions (FFs) from a set of single-inclusive $e^+e^-$ annihilation and lepton-nucleon semi-inclusive deep-inelastic-scattering (SIDIS) data. FFs are…

高能物理 - 唯象学 · 物理学 2021-08-18 Rabah Abdul Khalek , Valerio Bertone , Emanuele R. Nocera

In this work, the phase function method (PFM) is employed for the first time to explicitly construct scattering wavefunctions for the $\alpha\alpha$ system using a single-term Morse potential. Unlike earlier PFM-based studies that primarily…

核理论 · 物理学 2026-02-24 Anil Khachi , Shikha Awasthi , Tarachand Verma , Ranjana Joshi

Polarimetric synthetic aperture radar (PolSAR) image classification has been investigated vigorously in various remote sensing applications. However, it is still a challenging task nowadays. One significant barrier lies in the speckle…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Haixia Bi , Jing Yao , Zhiqiang Wei , Danfeng Hong , Jocelyn Chanussot

We develop and implement a new mathematical and computational framework for designing photonic elements with one or more high-$Q$ scattering resonances. The approach relies on solving for the poles of the scattering matrix, which…

光学 · 物理学 2020-02-19 Brian A. Slovick , Erik Matlin

Semi-supervised symmetric non-negative matrix factorization (SNMF) utilizes the available supervisory information (usually in the form of pairwise constraints) to improve the clustering ability of SNMF. The previous methods introduce the…

机器学习 · 计算机科学 2024-10-29 Yuheng Jia , Jia-Nan Li , Wenhui Wu , Ran Wang

A polarimetric synthetic aperture radar (PolSAR) system, which uses multiple images acquired with different polarizations in both transmission and reception, has the potential to improve the description and interpretation of the observed…

信号处理 · 电气工程与系统科学 2025-07-08 Dehbia Hanis , Luca Pallotta , Augusto Aubry , Aichouche Belhadj-Aissa , Antonio De Maio

Polarization is a unique characteristic of transverse wave and is represented by Stokes parameters. Analysis of polarization states can reveal valuable information about the sources. In this paper, we propose a separable low-rank quaternion…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Junjun Pan , Michael K. Ng

We propose a new method for PolSAR (Polarimetric Synthetic Aperture Radar) imagery classification based on stochastic distances in the space of random matrices obeying complex Wishart distributions. Given a collection of prototypes…

计算机视觉与模式识别 · 计算机科学 2016-02-17 Luis Gomez , Luis Alvarez , Luis Mazorra , Alejandro C. Frery

A new approach is developed within the first-order Born approximation to light scattering from a collection of particles with $\mathcal{L}$ types. Two $\mathcal{L}\times\mathcal{L}$ matrices called pair-potential matrix (PPM) and…

光学 · 物理学 2023-07-19 Yi Ding

We propose a novel indicator for chaotic quantum scattering processes, the scattering form factor (ScFF). It is based on mapping the locations of peaks in the scattering amplitude to random matrix eigenvalues, and computing the analog of…

高能物理 - 理论 · 物理学 2024-04-24 Massimo Bianchi , Maurizio Firrotta , Jacob Sonnenschein , Dorin Weissman

Model-based decompositions have gained considerable attention after the initial work of Freeman and Durden. This decomposition which assumes the target to be reflection symmetric was later relaxed in the Yamaguchi et al. decomposition with…

信息论 · 计算机科学 2016-11-17 Avik Bhattacharya , Arnab Muhuri , Shaunak De , Surendar Manickam , Alejandro C. Frery

POLSAR image has an advantage over optical image because it can be acquired independently of cloud cover and solar illumination. PolSAR image classification is a hot and valuable topic for the interpretation of POLSAR image. In this paper,…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Xu Liu , Licheng Jiao , Dan Zhang , Fang Liu

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

Inclusive deep inelastic scattering factorization combines two features that are often treated separately: an asymptotic reconstruction of the current-current matrix element from hard and long-distance data, and an invariance under finite…

高能物理 - 唯象学 · 物理学 2026-05-18 Dustin Keller

The data fusion technology aims to aggregate the characteristics of different data and obtain products with multiple data advantages. To solves the problem of reduced resolution of PolSAR images due to system limitations, we propose a fully…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Liupeng Lin , Jie Li , Huanfeng Shen , Lingli Zhao , Qiangqiang Yuan , Xinghua Li

A common assumption in radar remote sensing studies for vegetation is that radar returns originate from a target made up by a set of uniformly distributed isotropic scatterers. Nonetheless, several studies in the literature have noted that…

信号处理 · 电气工程与系统科学 2024-05-06 J. David Ballester-Berman

In this work, we propose a novel learning-based method to jointly estimate the shape and subsurface scattering (SSS) parameters of translucent objects by utilizing polarization cues. Although polarization cues have been used in various…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Chenhao Li , Trung Thanh Ngo , Hajime Nagahara
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