English
Related papers

Related papers: PolSAR Image Classification Based on Robust Low-Ra…

200 papers

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…

Image and Video Processing · Electrical Eng. & Systems 2021-07-20 Liupeng Lin , Jie Li , Huanfeng Shen , Lingli Zhao , Qiangqiang Yuan , Xinghua Li

We have developed a nonlocal algorithm for estimating polarimetric synthetic aperture radar (PolSAR) covariance matrices on single-look complex (SLC) format resolution. The algorithm is inspired by recent work with guided nonlocal means…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Jørgen A. Agersborg , Stian Normann Anfinsen , Jane Uhd Jepsen

A Polarimetric Synthetic Aperture Radar (PolSAR) sensor is able to collect images in different polarization states, making it a rich source of information for target characterization. PolSAR images are inherently affected by speckle.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Adugna G. Mullissa , Claudio Persello , Johannes Reiche

Images obtained from coherent illumination processes are contaminated with speckle. A prominent example of such imagery systems is the polarimetric synthetic aperture radar (PolSAR). For such remote sensing tool the speckle interference…

Information Theory · Computer Science 2018-09-18 Abraão D. C. Nascimento , Alejandro C. Frery , Renato J. Cintra

A deep neural networks based method is proposed to convert single polarization grayscale SAR image to fully polarimetric. It consists of two components: a feature extractor network to extract hierarchical multi-scale spatial features of…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Qian Song , Feng Xu , Ya-Qiu Jin

This paper is concerned with specular reflection removal based on tensor low-rank decomposition framework with the help of polarization information. Our method is motivated by the observation that the specular highlight of an image is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Moein Shakeri , Hong Zhang

Interferometric Synthetic Aperture Radar (InSAR) Imaging methods are usually based on algorithms of match-filtering type, without considering the scene's characteristic, which causes limited imaging quality. Besides, post-processing steps…

Signal Processing · Electrical Eng. & Systems 2022-10-07 Xu Zhan , Xiaoling Zhang , Shunjun Wei , Jun Shi

Efficient and accurate polarimetric synthetic aperture radar (PolSAR) image classification with a limited number of prior labels is always full of challenges. For general supervised deep learning classification algorithms, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Dongling Xiao , Chang Liu , Qi Wang , Chao Wang , Xin Zhang

As a representation learning method, nearest regularized subspace(NRS) algorithm is an effective tool to obtain both accuracy and speed for PolSAR image classification. However, existing NRS methods use the polarimetric feature vector but…

Image and Video Processing · Electrical Eng. & Systems 2023-02-08 Junfei Shi , Haiyan Jin

Low-Rank Matrix Recovery (LRMR) has recently been applied to saliency detection by decomposing image features into a low-rank component associated with background and a sparse component associated with visual salient regions. Despite its…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Qi Zheng , Shujian Yu , Xinge You , Qinmu Peng

This paper addresses the challenge of classifying polarimetric SAR images by leveraging the peculiar characteristics of the polarimetric covariance matrix (PCM). To this end, a general framework to solve a multiple hypothesis test is…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Pia Addabbo , Filippo Biondi , Carmine Clemente , Sudan Han , Danilo Orlando , Giuseppe Ricci

Speckle noise, inherent in synthetic aperture radar (SAR) images, degrades the performance of the various SAR image analysis tasks. Thus, speckle noise reduction is a critical preprocessing step for smoothing homogeneous regions while…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Fatih Nar

We propose a Bayesian image super-resolution (SR) method with a causal Gaussian Markov random field (MRF) prior. SR is a technique to estimate a spatially high-resolution image from given multiple low-resolution images. An MRF model with…

Computer Vision and Pattern Recognition · Computer Science 2015-05-30 Takayuki Katsuki , Akira Torii , Masato Inoue

Hyperspectral super-resolution (HSR) is a problem that aims to estimate an image of high spectral and spatial resolutions from a pair of co-registered multispectral (MS) and hyperspectral (HS) images, which have coarser spectral and spatial…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Ruiyuan Wu , Wing-Kin Ma , Xiao Fu , Qiang Li

In this work, we exploit convolutional neural networks (CNNs) for the classification of very high resolution (VHR) polarimetric SAR (PolSAR) data. Due to the significant appearance of heterogeneous textures within these data, not only…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Minh-Tan Pham , Sébastien Lefèvre

Convolutional neural networks (CNNs) have been widely used to improve the accuracy of polarimetric synthetic aperture radar (PolSAR) image classification. However, in most studies, the difference between PolSAR images and optical images is…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Lamei Zhang , Hongwei Dong , Bin Zou

We address the issue of adapting optical images-based edge detection techniques for use in Polarimetric Synthetic Aperture Radar (PolSAR) imagery. We modify the gravitational edge detection technique (inspired by the Law of Universal…

Computer Vision and Pattern Recognition · Computer Science 2015-08-25 Gilberto P. Silva Junior , Alejandro C. Frery , Sandra Sandri , Humberto Bustince , Edurne Barrenechea , Cédric Marco-Detchart

Although complex-valued (CV) neural networks have shown better classification results compared to their real-valued (RV) counterparts for polarimetric synthetic aperture radar (PolSAR) classification, the extension of pixel-level RV…

Image and Video Processing · Electrical Eng. & Systems 2019-10-01 Yice Cao , Yan Wu , Peng Zhang , Wenkai Liang , Ming Li

This work presents a comprehensive examination of the use of information theory for understanding Polarimetric Synthetic Aperture Radar (PolSAR) images by means of contrast measures that can be used as test statistics. Due to the phenomenon…

Methodology · Statistics 2014-02-11 A. C. Frery , A. D. C. Nascimento , R. J. Cintra

Polarimetric synthetic aperture radar (PolSAR) image interpretation is widely used in various fields. Recently, deep learning has made significant progress in PolSAR image classification. Supervised learning (SL) requires a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Jianfeng Cai , Yue Ma , Zhixi Feng , Shuyuan Yang