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Related papers: Despeckling Polarimetric SAR Data Using a Multi-St…

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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,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Xu Liu , Licheng Jiao , Dan Zhang , Fang Liu

Polarization information of light in a scene is valuable for various image processing and computer vision tasks. A division-of-focal-plane polarimeter is a promising approach to capture the polarization images of different orientations in…

Image and Video Processing · Electrical Eng. & Systems 2022-09-14 Vy Nguyen , Masayuki Tanaka , Yusuke Monno , Masatoshi Okutomi

In this letter, we aim to address a synthetic aperture radar (SAR) despeckling problem with the necessity of neither clean (speckle-free) SAR images nor independent speckled image pairs from the same scene, and a practical solution for SAR…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Ye Yuan , Jian Guan , Pengming Feng , Yanxia Wu

The annotation of polarimetric synthetic aperture radar (PolSAR) images is a labor-intensive and time-consuming process. Therefore, classifying PolSAR images with limited labels is a challenging task in remote sensing domain. In recent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Yuchen Wang , Ziyi Guo , Haixia Bi , Danfeng Hong , Chen Xu

Deep representation learning is a crucial procedure in multimedia analysis and attracts increasing attention. Most of the popular techniques rely on convolutional neural network and require a large amount of labeled data in the training…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Jinghua Wang , Adrian Hilton , Jianmin Jiang

In this paper, we explore the possibility of detecting polar lows in C-band SAR images by means of deep learning. Specifically, we introduce a novel dataset consisting of Sentinel-1 images divided into two classes, representing the presence…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Jakob Grahn , Filippo Maria Bianchi

We develop a novel deep learning architecture for naturally complex-valued data, which is often subject to complex scaling ambiguity. We treat each sample as a field in the space of complex numbers. With the polar form of a complex-valued…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Rudrasis Chakraborty , Jiayun Wang , Stella X. Yu

Polarization measurements done using Imaging Polarimeters such as the Robotic Polarimeter are very sensitive to the presence of artefacts in images. Artefacts can range from internal reflections in a telescope to satellite trails that could…

Solar panel mapping has gained a rising interest in renewable energy field with the aid of remote sensing imagery. Significant previous work is based on fully supervised learning with classical classifiers or convolutional neural networks…

Image and Video Processing · Electrical Eng. & Systems 2021-03-18 Jue Zhang , Xiuping Jia , Jiankun Hu

Synthetic Aperture Radar (SAR) imagery enables all-weather, day-and-night Earth observation; however, it remains difficult to interpret due to speckle noise and other intrinsic imaging artifacts. Sentinel-1 (S1) constitutes one of the most…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Juan Francisco Amieva , Christian Ayala , Roberto Del Prete , Mikel Galar

Transceivers used for telecommunications transmit and receive specific modulation patterns that are represented as sequences of complex numbers. Classifying modulation patterns is challenging because noise and channel impairments affect the…

Machine Learning · Computer Science 2020-10-30 Jakob Krzyston , Rajib Bhattacharjea , Andrew Stark

Polarimetric imaging enables advanced vision applications such as normal estimation and de-reflection by capturing unique surface-material interactions. However, existing applications (alternatively called downstream tasks) rely on datasets…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yidong Luo , Chenggong Li , Yunfeng Song , Ping Wang , Boxin Shi , Junchao Zhang , Xin Yuan

Building segmentation in high-resolution InSAR images is a challenging task that can be useful for large-scale surveillance. Although complex-valued deep learning networks perform better than their real-valued counterparts for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Aniruddh Sikdar , Sumanth Udupa , Suresh Sundaram , Narasimhan Sundararajan

We describe a novel method for removing speckle (in wavelet domain) of unknown variance from SAR images. The me-thod is based on the following procedure: We apply 1) Bidimentional Discrete Wavelet Transform (DWT-2D) to the speckled image,…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Mario Mastriani

Shape deformation of targets in SAR image due to random orientation and partial information loss caused by occlusion of the radar signal, is an essential challenge in SAR ship detection. In this paper, we propose a data augmentation method…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Taeyong Song , Sunok Kim , SungTai Kim , Jaeseok Lee , Kwanghoon Sohn

In the study of condensed matter physics, spectral information plays an important role for understand the mechanism of materials. However, it is difficult to obtain the spectrum directly through experiments or simulation. For example, the…

Computational Physics · Physics 2022-12-23 Haidong Xie , Xueshuang Xiang , Yuanqing Chen

Polarization cameras can capture multiple polarized images with different polarizer angles in a single shot, bringing convenience to polarization-based downstream tasks. However, their direct outputs are color-polarization filter array…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Shuangfan Zhou , Chu Zhou , Youwei Lyu , Heng Guo , Zhanyu Ma , Boxin Shi , Imari Sato

We propose a self-supervised deep learning-based decoding scheme that enables one-shot decoding of polar codes. In the proposed scheme, rather than using the information bit vectors as labels for training the neural network (NN) through…

Information Theory · Computer Science 2023-08-01 Huiying Song , Yihao Luo , Yuma Fukuzawa

Synthetic aperture radar (SAR) is widely used for ground surface classification since it utilizes information on vegetation and soil unavailable in optical observation. Image classification often employs convolutional neural networks.…

Signal Processing · Electrical Eng. & Systems 2021-08-31 Bungo Konishi , Akira Hirose , Ryo Natsuaki

Monocular depth estimation has been extensively explored based on deep learning, yet its accuracy and generalization ability still lag far behind the stereo-based methods. To tackle this, a few recent studies have proposed to supervise the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Kyeongseob Song , Kuk-Jin Yoon
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