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In this paper, we delve into the susceptibility of federated medical image analysis systems to adversarial attacks. Our analysis uncovers a novel exploitation avenue: using gradient information from prior global model updates, adversaries…

Machine Learning · Computer Science 2023-10-24 Erfan Darzi , Florian Dubost , Nanna. M. Sijtsema , P. M. A van Ooijen

3D Gaussian Splatting has advanced radiance field reconstruction, enabling high-quality view synthesis and fast rendering in 3D modeling. While adversarial attacks on object detection models are well-studied for 2D images, their impact on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Abdurrahman Zeybey , Mehmet Ergezer , Tommy Nguyen

The generative adversarial network (GAN) is successfully applied to study the perceptual single image superresolution (SISR). However, the GAN often tends to generate images with high frequency details being inconsistent with the real ones.…

Image and Video Processing · Electrical Eng. & Systems 2021-12-28 Ziyang Liu , Zhengguo Li , Xingming Wu , Zhong Liu , Weihai Chen

For years, Single Image Super Resolution (SISR) has been an interesting and ill-posed problem in computer vision. The traditional super-resolution (SR) imaging approaches involve interpolation, reconstruction, and learning-based methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Karthick Prasad Gunasekaran

Adversarial attacks in machine learning traditionally focus on global perturbations to input data, yet the potential of localized adversarial noise remains underexplored. This study systematically evaluates localized adversarial attacks…

Machine Learning · Computer Science 2025-09-30 Pavan Reddy , Aditya Sanjay Gujral

Purpose: The purpose of this study is to investigate the robustness of a commonly-used convolutional neural network for image segmentation with respect to visually-subtle adversarial perturbations, and suggest new methods to make these…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Zheng Liu , Jinnian Zhang , Varun Jog , Po-Ling Loh , Alan B McMillan

Convolutional neural networks have outperformed humans in image recognition tasks, but they remain vulnerable to attacks from adversarial examples. Since these data are crafted by adding imperceptible noise to normal images, their existence…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Heng Yin , Hengwei Zhang , Jindong Wang , Ruiyu Dou

Generative adversarial network (GAN) for image super-resolution (SR) has attracted enormous interests in recent years. However, the GAN-based SR methods only use image discriminator to distinguish SR images and high-resolution (HR) images.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Xuan Zhu , Yue Cheng , Jinye Peng , Rongzhi Wang , Mingnan Le , Xin Liu

Adversarial noise introduces small perturbations in images, misleading deep learning models into misclassification and significantly impacting recognition accuracy. In this study, we analyzed the effects of Fast Gradient Sign Method (FGSM)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Manish Kansana , Keyan Alexander Rahimi , Elias Hossain , Iman Dehzangi , Noorbakhsh Amiri Golilarz

Super-resolution (SR) for image enhancement has great importance in medical image applications. Broadly speaking, there are two types of SR, one requires multiple low resolution (LR) images from different views of the same object to be…

Image and Video Processing · Electrical Eng. & Systems 2018-10-17 Jin Zhu , Guang Yang , Pietro Lio

Adversarial training is the most empirically successful approach in improving the robustness of deep neural networks for image classification.For text classification, however, existing synonym substitution based adversarial attacks are…

Computation and Language · Computer Science 2020-12-17 Xiaosen Wang , Yichen Yang , Yihe Deng , Kun He

Many adversarial attack methods achieve satisfactory attack success rates under the white-box setting, but they usually show poor transferability when attacking other DNN models. Momentum-based attack is one effective method to improve…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Guoqiu Wang , Huanqian Yan , Xingxing Wei

This work addresses the problems of semantic segmentation and image super-resolution by jointly considering the performance of both in training a Generative Adversarial Network (GAN). We propose a novel architecture and domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Tristan Frizza , Donald G. Dansereau , Nagita Mehr Seresht , Michael Bewley

We consider the single image super-resolution (SISR) problem, where a high-resolution (HR) image is generated based on a low-resolution (LR) input. Recently, generative adversarial networks (GANs) become popular to hallucinate details. Most…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Wenbo Li , Kun Zhou , Lu Qi , Liying Lu , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

Self-supervised learning has shown its great potential to extract powerful visual representations without human annotations. Various works are proposed to deal with self-supervised learning from different perspectives: (1) contrastive…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Chenxin Tao , Honghui Wang , Xizhou Zhu , Jiahua Dong , Shiji Song , Gao Huang , Jifeng Dai

We propose an image super resolution(ISR) method using generative adversarial networks (GANs) that takes a low resolution input fundus image and generates a high resolution super resolved (SR) image upto scaling factor of $16$. This…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Dwarikanath Mahapatra , Behzad Bozorgtabar

Designing powerful adversarial attacks is of paramount importance for the evaluation of $\ell_p$-bounded adversarial defenses. Projected Gradient Descent (PGD) is one of the most effective and conceptually simple algorithms to generate such…

Machine Learning · Computer Science 2022-12-16 Nikolaos Antoniou , Efthymios Georgiou , Alexandros Potamianos

Single Image Super-Resolution (SISR) aims to recover high-resolution images from low-resolution inputs. Unlike SISR, Reference-based Super-Resolution (RefSR) leverages an additional high-resolution reference image to facilitate the recovery…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Jiazhu Dai , Huihui Jiang

The fusion of multispectral and panchromatic images is always dubbed pansharpening. Most of the available deep learning-based pan-sharpening methods sharpen the multispectral images through a one-step scheme, which strongly depends on the…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Yinghui Xing , Shuyuan Yang , Song Wang , Yan Zhang , Yanning Zhang

Multimodal machine learning models that combine visual and textual data are increasingly being deployed in critical applications, raising significant safety and security concerns due to their vulnerability to adversarial attacks. This paper…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Maisha Binte Rashid , Pablo Rivas
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