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Adversarial patch attacks that craft the pixels in a confined region of the input images show their powerful attack effectiveness in physical environments even with noises or deformations. Existing certified defenses towards adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Husheng Han , Kaidi Xu , Xing Hu , Xiaobing Chen , Ling Liang , Zidong Du , Qi Guo , Yanzhi Wang , Yunji Chen

Preference alignment in diffusion models has primarily focused on benign human preferences (e.g., aesthetic). In this paper, we propose a novel perspective: framing unrestricted adversarial example generation as a problem of aligning with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Kaixun Jiang , Zhaoyu Chen , Haijing Guo , Jinglun Li , Jiyuan Fu , Pinxue Guo , Hao Tang , Bo Li , Wenqiang Zhang

Digital pathology has made significant advances in tumor diagnosis and segmentation, but image variability due to differences in organs, tissue preparation, and acquisition - known as domain shift - limits the effectiveness of current…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Ho Heon Kim , Won Chan Jeong , Young Shin Ko , Young Jin Park

Achieving robustness to distributional shift is a longstanding and challenging goal of computer vision. Data augmentation is a commonly used approach for improving robustness, however robustness gains are typically not uniform across…

Machine Learning · Computer Science 2020-09-18 Dong Yin , Raphael Gontijo Lopes , Jonathon Shlens , Ekin D. Cubuk , Justin Gilmer

Unsupervised domain adaptation (UDA) provides a strategy for improving machine learning performance in data-rich (target) domains where ground truth labels are inaccessible but can be found in related (source) domains. In cases where…

Machine Learning · Computer Science 2023-07-24 Garrett Wilson , Janardhan Rao Doppa , Diane J. Cook

The security of the Person Re-identification(ReID) model plays a decisive role in the application of ReID. However, deep neural networks have been shown to be vulnerable, and adding undetectable adversarial perturbations to clean images can…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yunpeng Gong , Zhiyong Zeng , Liwen Chen , Yifan Luo , Bin Weng , Feng Ye

The evaluation of white matter lesion progression is an important biomarker in the follow-up of MS patients and plays a crucial role when deciding the course of treatment. Current automated lesion segmentation algorithms are susceptible to…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Mattias Billast , Maria Ines Meyer , Diana M. Sima , David Robben

Artificial intelligence foundation models are increasingly deployed for prostate cancer Gleason grading, where GP3/GP4 distinction directly impacts treatment decisions. However, these models may achieve high validation accuracy by learning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Joshua L. Ebbert , Dennis Della Corte

Physical adversarial camouflage poses a severe security threat to autonomous driving systems by mapping adversarial textures onto 3D objects. Nevertheless, current methods remain brittle in complex dynamic scenarios, failing to generalize…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Tianrui Lou , Siyuan Liang , Jiawei Liang , Yuze Gao , Xiaochun Cao

Data augmentation has been widely used to improve generalization in training deep neural networks. Recent works show that using worst-case transformations or adversarial augmentation strategies can significantly improve the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Liang Xiao , Jiaolong Xu , Dawei Zhao , Erke Shang , Qi Zhu , Bin Dai

In semi-supervised learning (SSL), a technique called consistency regularization (CR) achieves high performance. It has been proved that the diversity of data used in CR is extremely important to obtain a model with high discrimination…

Machine Learning · Computer Science 2020-04-03 Hiroshi Kaizuka

The different stain styles of cytopathological images have a negative effect on the generalization ability of automated image analysis algorithms. This article proposes a new framework that normalizes the stain style for cytopathological…

Image and Video Processing · Electrical Eng. & Systems 2019-09-12 Xihao Chen , Jingya Yu , Li Chen , Shaoqun Zeng , Xiuli Liu , Shenghua Cheng

Recent advancements in 3D Gaussian Splatting (3DGS) have shifted the focus toward balancing reconstruction fidelity with computational efficiency. In this work, we propose ImprovedGS+, a high-performance, low-level reinvention of the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Jordi Muñoz Vicente

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on both heuristics-driven and data-driven augmentations as a means to reduce…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

Modern neural networks excel at image classification, yet they remain vulnerable to common image corruptions such as blur, speckle noise or fog. Recent methods that focus on this problem, such as AugMix and DeepAugment, introduce defenses…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Dan A. Calian , Florian Stimberg , Olivia Wiles , Sylvestre-Alvise Rebuffi , Andras Gyorgy , Timothy Mann , Sven Gowal

In addition to evaluating tumor morphology using H&E staining, immunohistochemistry is used to assess the presence of specific proteins within the tissue. However, this is a costly and labor-intensive technique, for which virtual staining,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 José Teixeira , Pascal Klöckner , Diana Montezuma , Melis Erdal Cesur , João Fraga , Hugo M. Horlings , Jaime S. Cardoso , Sara P. Oliveira

Skin cancer is a highly dangerous type of cancer that requires an accurate diagnosis from experienced physicians. To help physicians diagnose skin cancer more efficiently, a computer-aided diagnosis (CAD) system can be very helpful. In this…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Ayush Roy , Sujan Sarkar , Sohom Ghosal , Dmitrii Kaplun , Asya Lyanova , Ram Sarkar

A method for performing high order mesh refinement multigrid computations is presented. The Full Approximation Scheme (FAS) multigrid technique is utilized for a sequence of nested patches of increasing resolution. Conservation forms are…

Chemical Physics · Physics 2007-05-23 Thomas L. Beck

Generative adversarial networks (GANs) have made remarkable achievements in synthesizing images in recent years. Typically, training GANs requires massive data, and the performance of GANs deteriorates significantly when training data is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Mengping Yang , Zhe Wang , Ziqiu Chi , Dongdong Li , Wenli Du