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相关论文: Edge Preserving CNN SAR Despeckling Algorithm

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Removing speckle noise from SAR images is still an open issue. It is well know that the interpretation of SAR images is very challenging and despeckling algorithms are necessary to improve the ability of extracting information. An urban…

图像与视频处理 · 电气工程与系统科学 2020-01-17 Giampaolo Ferraioli , Vito Pascazio , Sergio Vitale

In SAR domain many application like classification, detection and segmentation are impaired by speckle. Hence, despeckling of SAR images is the key for scene understanding. Usually despeckling filters face the trade-off of speckle…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio

Synthetic Aperture Radar (SAR) images are often contaminated by a multiplicative noise known as speckle. Speckle makes the processing and interpretation of SAR images difficult. We propose a deep learning-based approach called, Image…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Puyang Wang , He Zhang , Vishal M. Patel

SAR images are affected by multiplicative noise that impairs their interpretations. In the last decades several methods for SAR denoising have been proposed and in the last years great attention has moved towards deep learning based…

图像与视频处理 · 电气工程与系统科学 2020-06-18 Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio

Deep learning (DL) in remote sensing has nowadays become an effective operative tool: it is largely used in applications such as change detection, image restoration, segmentation, detection and classification. With reference to synthetic…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio

In this paper we investigate the use of discriminative model learning through Convolutional Neural Networks (CNNs) for SAR image despeckling. The network uses a residual learning strategy, hence it does not recover the filtered image, but…

计算机视觉与模式识别 · 计算机科学 2017-05-04 G. Chierchia , D. Cozzolino , G. Poggi , L. Verdoliva

Synthetic Aperture Radar (SAR) despeckling is an important problem in remote sensing as speckle degrades SAR images, affecting downstream tasks like detection and segmentation. Recent studies show that convolutional neural networks(CNNs)…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Malsha V. Perera , Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

Synthetic aperture radar (SAR) images are affected by a spatially-correlated and signal-dependent noise called speckle, which is very severe and may hinder image exploitation. Despeckling is an important task that aims at removing such…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Giulia Fracastoro , Enrico Magli , Giovanni Poggi , Giuseppe Scarpa , Diego Valsesia , Luisa Verdoliva

Coherent imaging systems like synthetic aperture radar are susceptible to multiplicative noise that makes applications like automatic target recognition challenging. In this paper, NeighCNN, a deep learning-based speckle reduction algorithm…

图像与视频处理 · 电气工程与系统科学 2021-08-27 Praveen Ravirathinam , Darshan Agrawal , J. Jennifer Ranjani

Speckle reduction is a longstanding topic in synthetic aperture radar (SAR) images. Many different schemes have been proposed for the restoration of intensity SAR images. Among the different possible approaches, methods based on…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Emanuele Dalsasso , Xiangli Yang , Loïc Denis , Florence Tupin , Wen Yang

Synthetic Aperture Radar (SAR) images are usually degraded by a multiplicative noise known as speckle which makes processing and interpretation of SAR images difficult. In this paper, we introduce a transformer-based network for SAR image…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Malsha V. Perera , Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

In Synthetic Aperture Radar (SAR) imaging, despeckling is very important for image analysis,whereas speckle is known as a kind of multiplicative noise caused by the coherent imaging system. During the past three decades, various algorithms…

图像与视频处理 · 电气工程与系统科学 2020-12-01 Qianqian Zhang , Ruizhi Sun

Speckle is a multiplicative noise which affects all coherent imaging modalities including Synthetic Aperture Radar (SAR) images. The presence of speckle degrades the image quality and adversely affects the performance of SAR image…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Malsha V. Perera , Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M. Patel

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…

计算机视觉与模式识别 · 计算机科学 2018-01-16 Fatih Nar

Speckle reduction is a key step in many remote sensing applications. By strongly affecting synthetic aperture radar (SAR) images, it makes them difficult to analyse. Due to the difficulty to model the spatial correlation of speckle, a deep…

图像与视频处理 · 电气工程与系统科学 2021-04-14 Emanuele Dalsasso , Loïc Denis , Florence Tupin

Information extraction from synthetic aperture radar (SAR) images is heavily impaired by speckle noise, hence despeckling is a crucial preliminary step in scene analysis algorithms. The recent success of deep learning envisions a new…

图像与视频处理 · 电气工程与系统科学 2020-07-07 Andrea Bordone Molini , Diego Valsesia , Giulia Fracastoro , Enrico Magli

In this paper, to break the limit of the traditional linear models for synthetic aperture radar (SAR) image despeckling, we propose a novel deep learning approach by learning a non-linear end-to-end mapping between the noisy and clean SAR…

计算机视觉与模式识别 · 计算机科学 2018-01-25 Qiang Zhang , Qiangqiang Yuan , Jie Li , Zhen Yang , Xiaoshuang Ma

In recent years, machine learning (ML) algorithms have become widespread in all the fields of remote sensing (RS) and earth observation (EO). This has allowed the rapid development of new procedures to solve problems affecting these…

人工智能 · 计算机科学 2024-10-28 Alessandro Sebastianelli , Maria Pia Del Rosso , Silvia Liberata Ullo , Paolo Gamba

The wavelet shrinkage denoising approach is able to maintain local regularity of a signal while suppressing noise. However, the conventional wavelet shrinkage based methods are not time-scale adaptive to track the local time-scale…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Mario Mastriani , Alberto E. Giraldez

Speckle suppression in synthetic aperture radar (SAR) images is a key processing step which continues to be a research topic. A wide variety of methods, using either spatially-based approaches or transform-based strategies, have been…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Alejandro Mestre-Quereda , Juan M. Lopez-Sanchez
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