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Despite the advantages of all-weather and all-day high-resolution imaging, synthetic aperture radar (SAR) images are much less viewed and used by general people because human vision is not adapted to microwave scattering phenomenon.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Shilei Fu , Feng Xu , Ya-Qiu Jin

Synthetic aperture radar (SAR) is a well established technology in the field of Earth remote sensing. Over the years, the resolution of SAR images has been steadily improving and the pixel count increasing as a result of advances in the…

Quantum Physics · Physics 2025-11-03 Alessandro Giovagnoli , Sigurd Huber , Gerhard Krieger

There is rising interest in differentiable rendering, which allows explicitly modeling geometric priors and constraints in optimization pipelines using first-order methods such as backpropagation. Incorporating such domain knowledge can…

Image and Video Processing · Electrical Eng. & Systems 2023-08-09 Michael Wilmanski , Jonathan Tamir

Due to the reduction of technological costs and the increase of satellites launches, satellite images are becoming more popular and easier to obtain. Besides serving benevolent purposes, satellite data can also be used for malicious reasons…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Lydia Abady , Edoardo Daniele Cannas , Paolo Bestagini , Benedetta Tondi , Stefano Tubaro , Mauro Barni

Synthetic aperture radar (SAR) images are widely used in remote sensing. Interpreting SAR images can be challenging due to their intrinsic speckle noise and grayscale nature. To address this issue, SAR colorization has emerged as a research…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Kangqing Shen , Gemine Vivone , Xiaoyuan Yang , Simone Lolli , Michael Schmitt

Recently, generative adversarial networks (GANs) can generate photo-realistic fake facial images which are perceptually indistinguishable from real face photos, promoting research on fake face detection. Though fake face forensics can…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Yongwei Wang , Xin Ding , Li Ding , Rabab Ward , Z. Jane Wang

The widespread availability of image editing tools and improvements in image processing techniques allow image manipulation to be very easy. Oftentimes, easy-to-use yet sophisticated image manipulation tools yields distortions/changes…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Emily R. Bartusiak , Sri Kalyan Yarlagadda , David Güera , Paolo Bestagini , Stefano Tubaro , Fengqing M. Zhu , Edward J. Delp

Deep neural networks are vulnerable to adversarial attacks. White-box adversarial attacks can fool neural networks with small adversarial perturbations, especially for large size images. However, keeping successful adversarial perturbations…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Yongwei Wang , Mingquan Feng , Rabab Ward , Z. Jane Wang , Lanjun Wang

Synthetic aperture radar is a high-resolution two-dimensional imaging radar, however, during the imaging process, SAR is susceptible to intentional and unintentional interference, with radio frequency interference (RFI) being the most…

Signal Processing · Electrical Eng. & Systems 2024-03-06 Fuping Fang , Wenhao Lv , Dahai Dai

Artificial neural networks tend to learn only what they need for a task. A manipulation of the training data can counter this phenomenon. In this paper, we study the effect of different alterations of the training data, which limit the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Clemens Seibold , Wojciech Samek , Anna Hilsmann , Peter Eisert

Deepfake represents a category of face-swapping attacks that leverage machine learning models such as autoencoders or generative adversarial networks. Although the concept of the face-swapping is not new, its recent technical advances make…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Chaofei Yang , Lei Ding , Yiran Chen , Hai Li

With the ongoing popularization of online services, the digital document images have been used in various applications. Meanwhile, there have emerged some deep learning-based text editing algorithms which alter the textual information of an…

Multimedia · Computer Science 2021-09-13 Lin Zhao , Changsheng Chen , Jiwu Huang

The utility of Synthetic Aperture Radar (SAR) imagery in remote sensing and satellite image analysis is well established, offering robustness under various weather and lighting conditions. However, SAR images, characterized by their unique…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Grant Rosario , David Noever

Face recognition is a popular form of biometric authentication and due to its widespread use, attacks have become more common as well. Recent studies show that Face Recognition Systems are vulnerable to attacks and can lead to erroneous…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Sanjay Saha , Terence Sim

With the advancement of personalized image generation technologies, concerns about forgery attacks that infringe on portrait rights and privacy are growing. To address these concerns, protection perturbation algorithms have been developed…

Cryptography and Security · Computer Science 2025-08-11 Zelin Li , Ruohan Zong , Yifan Liu , Ruichen Yao , Yaokun Liu , Yang Zhang , Dong Wang

Face morphing attacks represent a significant threat to biometric systems as they allow multiple identities to be combined into a single face. While supervised morphing attack detection (MAD) methods have shown promising performance, their…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Diogo J. Paulo , Hugo Proença , João C. Neves

Image forensics have attracted wide attention during the past decade. Though many forensic methods have been proposed to identify image forgeries, most of them are targeted ones, since their proposed features are highly dependent on the…

Multimedia · Computer Science 2015-03-18 Haodong Li , Weiqi Luo , Xiaoqing Qiu , Jiwu Huang

The joint interpretation of very high resolution SAR and optical images in dense urban area are not trivial due to the distinct imaging geometry of the two types of images. Especially, the inevitable layover caused by the side-looking SAR…

Signal Processing · Electrical Eng. & Systems 2018-01-24 Yuanyuan Wang , Xiao Xiang Zhu

As autonomous driving and augmented reality evolve, a practical concern is data privacy. In particular, these applications rely on localization based on user images. The widely adopted technology uses local feature descriptors, which are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Deeksha Dangwal , Vincent T. Lee , Hyo Jin Kim , Tianwei Shen , Meghan Cowan , Rajvi Shah , Caroline Trippel , Brandon Reagen , Timothy Sherwood , Vasileios Balntas , Armin Alaghi , Eddy Ilg

The reconstructed images from the Synthetic Aperture Radar (SAR) data suffer from multiplicative noise as well as low contrast level. These two factors impact the quality of the SAR images significantly and prevent any attempt to extract…

Image and Video Processing · Electrical Eng. & Systems 2024-12-05 Shahrokh Hamidi
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