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A good feature representation is the key to image classification. In practice, image classifiers may be applied in scenarios different from what they have been trained on. This so-called domain shift leads to a significant performance drop…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Zhize Wu , Changjiang Du , Le Zou , Ming Tan , Tong Xu , Fan Cheng , Fudong Nian , Thomas Weise

Generative models that learn disentangled representations for different factors of variation in an image can be very useful for targeted data augmentation. By sampling from the disentangled latent subspace of interest, we can efficiently…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Ananya Harsh Jha , Saket Anand , Maneesh Singh , V. S. R. Veeravasarapu

Adversarial images aim to change a target model's decision by minimally perturbing a target image. In the black-box setting, the absence of gradient information often renders this search problem costly in terms of query complexity. In this…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Chuan Guo , Jared S. Frank , Kilian Q. Weinberger

Although deep neural networks have been very successful in image-classification tasks, they are prone to adversarial attacks. To generate adversarial inputs, there has emerged a wide variety of techniques, such as black- and whitebox…

机器学习 · 计算机科学 2020-08-18 Fuyuan Zhang , Sankalan Pal Chowdhury , Maria Christakis

Current adversarial attack research reveals the vulnerability of learning-based classifiers against carefully crafted perturbations. However, most existing attack methods have inherent limitations in cross-dataset generalization as they…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Cheng Luo , Qinliang Lin , Weicheng Xie , Bizhu Wu , Jinheng Xie , Linlin Shen

Imperceptible adversarial attacks aim to fool DNNs by adding imperceptible perturbation to the input data. Previous methods typically improve the imperceptibility of attacks by integrating common attack paradigms with specifically designed…

机器学习 · 计算机科学 2025-03-13 Jin Li , Ziqiang He , Anwei Luo , Jian-Fang Hu , Z. Jane Wang , Xiangui Kang

Deep Neural Networks (DNNs) are known to be vulnerable to the maliciously generated adversarial examples. To detect these adversarial examples, previous methods use artificially designed metrics to characterize the properties of…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Deep learning models are being integrated into a wide range of high-impact, security-critical systems, from self-driving cars to medical diagnosis. However, recent research has demonstrated that many of these deep learning architectures are…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Scott Freitas , Shang-Tse Chen , Zijie J. Wang , Duen Horng Chau

This paper introduces a divide-and-conquer inspired adversarial learning (DACAL) approach for photo enhancement. The key idea is to decompose the photo enhancement process into hierarchically multiple sub-problems, which can be better…

图像与视频处理 · 电气工程与系统科学 2019-10-24 Zhiwu Huang , Danda Pani Paudel , Guanju Li , Jiqing Wu , Radu Timofte , Luc Van Gool

Shadow removal is a task aimed at erasing regional shadows present in images and reinstating visually pleasing natural scenes with consistent illumination. While recent deep learning techniques have demonstrated impressive performance in…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Chong Wang , Yi Yu , Lanqing Guo , Bihan Wen

Contrastive learning has recently demonstrated great potential for unsupervised pre-training in 3D scene understanding tasks. However, most existing work randomly selects point features as anchors while building contrast, leading to a clear…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Kangcheng Liu , Xinhu Zheng , Chaoqun Wang , Kai Tang , Ming Liu , Baoquan Chen

Image style transfer is an underdetermined problem, where a large number of solutions can satisfy the same constraint (the content and style). Although there have been some efforts to improve the diversity of style transfer by introducing…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Zhizhong Wang , Lei Zhao , Haibo Chen , Lihong Qiu , Qihang Mo , Sihuan Lin , Wei Xing , Dongming Lu

Although deep neural networks have shown promising performances on various tasks, even achieving human-level performance on some, they are shown to be susceptible to incorrect predictions even with imperceptibly small perturbations to an…

机器学习 · 计算机科学 2019-09-11 Byunggill Joe , Sung Ju Hwang , Insik Shin

Adversarial robustness assessment for video recognition models has raised concerns owing to their wide applications on safety-critical tasks. Compared with images, videos have much high dimension, which brings huge computational costs when…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Wei Xingxing , Wang Songping , Yan Huanqian

Deep neural networks for image classification remain vulnerable to adversarial examples -- small, imperceptible perturbations that induce misclassifications. In black-box settings, where only the final prediction is accessible, crafting…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Arjhun Swaminathan , Mete Akgün

DeepFake face swapping presents a significant threat to online security and social media, which can replace the source face in an arbitrary photo/video with the target face of an entirely different person. In order to prevent this fraud,…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Junhao Dong , Yuan Wang , Jianhuang Lai , Xiaohua Xie

Black-box adversarial attacks remain challenging due to limited access to model internals. Existing methods often depend on specific network architectures or require numerous queries, resulting in limited cross-architecture transferability…

机器学习 · 计算机科学 2025-09-24 Yang Li , Chenyu Wang , Tingrui Wang , Yongwei Wang , Haonan Li , Zhunga Liu , Quan Pan

Recent advances in computer vision take advantage of adversarial data augmentation to ameliorate the generalization ability of classification models. Here, we present an effective and efficient alternative that advocates adversarial…

机器学习 · 计算机科学 2021-03-24 Tianlong Chen , Yu Cheng , Zhe Gan , Jianfeng Wang , Lijuan Wang , Zhangyang Wang , Jingjing Liu

Deep Neural Networks (DNNs) are vulnerable to the black-box adversarial attack that is highly transferable. This threat comes from the distribution gap between adversarial and clean samples in feature space of the target DNNs. In this…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Xiaogang Xu , Hengshuang Zhao , Philip Torr , Jiaya Jia

Deep Neural Networks have been shown to be vulnerable to adversarial images. Conventional attacks strive for indistinguishable adversarial images with strictly restricted perturbations. Recently, researchers have moved to explore…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Zhengyu Zhao , Zhuoran Liu , Martha Larson