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With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weidong Yan , Pei Yan , Li Cao

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…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Puyang Wang , He Zhang , Vishal M. Patel

This paper proposes an efficient unsupervised method for detecting relevant changes between two temporally different images of the same scene. A convolutional neural network (CNN) for semantic segmentation is implemented to extract…

Neural and Evolutionary Computing · Computer Science 2019-03-22 Kevin Louis de Jong , Anna Sergeevna Bosman

This paper studies a practically meaningful ship detection problem from synthetic aperture radar (SAR) images by the neural network. We broadly extract different types of SAR image features and raise the intriguing question that whether…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yuwen Deng , Donghai Guan , Yanyu Chen , Weiwei Yuan , Jiemin Ji , Mingqiang Wei

In industrial defect segmentation tasks, while pixel accuracy and Intersection over Union (IoU) are commonly employed metrics to assess segmentation performance, the output consistency (also referred to equivalence) of the model is often…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Zhen Qu , Xian Tao , Fei Shen , Zhengtao Zhang , Tao Li

Synthetic aperture radar (SAR) image change detection is a vital yet challenging task in the field of remote sensing image analysis. Most previous works adopt a self-supervised method which uses pseudo-labeled samples to guide subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Junjie Wang , Feng Gao , Junyu Dong , Shan Zhang , Qian Du

In this letter, we propose a pseudo-siamese convolutional neural network (CNN) architecture that enables to solve the task of identifying corresponding patches in very-high-resolution (VHR) optical and synthetic aperture radar (SAR) remote…

Image and Video Processing · Electrical Eng. & Systems 2018-05-23 Lloyd H. Hughes , Michael Schmitt , Lichao Mou , Yuanyuan Wang , Xiao Xiang Zhu

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…

Image and Video Processing · Electrical Eng. & Systems 2021-08-27 Praveen Ravirathinam , Darshan Agrawal , J. Jennifer Ranjani

Change detection is one of the fundamental applications of synthetic aperture radar (SAR) images. However, speckle noise presented in SAR images has a much negative effect on change detection. In this research, a novel two-phase…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Xinzheng Zhang , Guo Liu , Ce Zhang , Peter M Atkinson , Xiaoheng Tan , Xin Jian , Xichuan Zhou , Yongming Li

Convolutional Neural Networks (CNNs) have been successful in solving tasks in computer vision including medical image segmentation due to their ability to automatically extract features from unstructured data. However, CNNs are sensitive to…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Minh Tran , Viet-Khoa Vo-Ho , Kyle Quinn , Hien Nguyen , Khoa Luu , Ngan Le

Recently, FCNs have attracted widespread attention in the CD field. In pursuit of better CD performance, it has become a tendency to design deeper and more complicated FCNs, which inevitably brings about huge numbers of parameters and an…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Hongruixuan Chen , Chen Wu , Bo Du

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)…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Malsha V. Perera , Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

Capsule Networks (CapsNets) is a machine learning architecture proposed to overcome some of the shortcomings of convolutional neural networks (CNNs). However, CapsNets have mainly outperformed CNNs in datasets where images are small and/or…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Juan P. Vigueras-Guillén , Arijit Patra , Ola Engkvist , Frank Seeliger

Small area change detection from synthetic aperture radar (SAR) is a highly challenging task. In this paper, a robust unsupervised approach is proposed for small area change detection from multi-temporal SAR images using deep learning.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Xinzheng Zhang , Hang Su , Ce Zhang , Xiaowei Gu , Xiaoheng Tan , Peter M. Atkinson

Deep learning has driven significant progress in object detection using Synthetic Aperture Radar (SAR) imagery. Existing methods, while achieving promising results, often struggle to effectively integrate local and global information,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Mingxiang Cao , Weiying Xie , Jie Lei , Jiaqing Zhang , Daixun Li , Yunsong Li

Given two multi-temporal aerial images, semantic change detection aims to locate the land-cover variations and identify their change types with pixel-wise boundaries. This problem is vital in many earth vision related tasks, such as precise…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Kunping Yang , Gui-Song Xia , Zicheng Liu , Bo Du , Wen Yang , Marcello Pelillo , Liangpei Zhang

Extracting multi-scale information is key to semantic segmentation. However, the classic convolutional neural networks (CNNs) encounter difficulties in achieving multi-scale information extraction: expanding convolutional kernel incurs the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Mo Zhang , Jie Zhao , Xiang Li , Li Zhang , Quanzheng Li

Medical ultrasound image segmentation presents a formidable challenge in the realm of computer vision. Traditional approaches rely on Convolutional Neural Networks (CNNs) and Transformer-based methods to address the intricacies of medical…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Weixin Xu , Ziliang Wang

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Deep convolutional neural networks, assisted by architectural design strategies, make extensive use of data augmentation techniques and layers with a high number of feature maps to embed object transformations. That is highly inefficient…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Vittorio Mazzia , Francesco Salvetti , Marcello Chiaberge