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In this work, we formulate a novel framework for adversarial robustness using the manifold hypothesis. This framework provides sufficient conditions for defending against adversarial examples. We develop an adversarial purification method…

Machine Learning · Computer Science 2023-12-22 Zhaoyuan Yang , Zhiwei Xu , Jing Zhang , Richard Hartley , Peter Tu

Although deep learning-based visual tracking methods have made significant progress, they exhibit vulnerabilities when facing carefully designed adversarial attacks, which can lead to a sharp decline in tracking performance. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Long Xu , Peng Gao , Wen-Jia Tang , Fei Wang , Ru-Yue Yuan

This is Btech thesis report on detection and purification of adverserially attacked images. A deep learning model is trained on certain training examples for various tasks such as classification, regression etc. By training, weights are…

Machine Learning · Computer Science 2022-05-18 Dvij Kalaria

We study the problem of defending deep neural network approaches for image classification from physically realizable attacks. First, we demonstrate that the two most scalable and effective methods for learning robust models, adversarial…

Machine Learning · Computer Science 2020-02-18 Tong Wu , Liang Tong , Yevgeniy Vorobeychik

Recent advancements in masked image modeling (MIM) have made it a prevailing framework for self-supervised visual representation learning. The MIM pretrained models, like most deep neural network methods, remain vulnerable to adversarial…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Zunzhi You , Daochang Liu , Bohyung Han , Chang Xu

The superiority of deep learning performance is threatened by safety issues for itself. Recent findings have shown that deep learning systems are very weak to adversarial examples, an attack form that was altered by the attacker's intent to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 Dang Duy Thang , Toshihiro Matsui

Recent developments in adversarial machine learning have highlighted the importance of building robust AI systems to protect against increasingly sophisticated attacks. While frameworks like AI Guardian are designed to defend against these…

Machine Learning · Computer Science 2024-05-06 Trinath Sai Subhash Reddy Pittala , Uma Maheswara Rao Meleti , Geethakrishna Puligundla

Recent approaches employ deep learning-based solutions for the recovery of a sharp image from its blurry observation. This paper introduces adversarial attacks against deep learning-based image deblurring methods and evaluates the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Kanchana Vaishnavi Gandikota , Paramanand Chandramouli , Michael Moeller

The growing incorporation of artificial neural networks (NNs) into many fields, and especially into life-critical systems, is restrained by their vulnerability to adversarial examples (AEs). Some existing defense methods can increase NNs'…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Haya Brama , Tal Grinshpoun

The outstanding capability of diffusion models in generating high-quality images poses significant threats when misused by adversaries. In particular, we assume malicious adversaries exploiting diffusion models for inpainting tasks, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Joonsung Jeon , Woo Jae Kim , Suhyeon Ha , Sooel Son , Sung-eui Yoon

Accurate and realistic simulation of high-dimensional medical images has become an important research area relevant to many AI-enabled healthcare applications. However, current state-of-the-art approaches lack the ability to produce…

Image and Video Processing · Electrical Eng. & Systems 2021-09-30 Daniele Ravi , Stefano B. Blumberg , Silvia Ingala , Frederik Barkhof , Daniel C. Alexander , Neil P. Oxtoby

Face anti-spoofing aims to discriminate the spoofing face images (e.g., printed photos) from live ones. However, adversarial examples greatly challenge its credibility, where adding some perturbation noise can easily change the predictions.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Songlin Yang , Wei Wang , Chenye Xu , Ziwen He , Bo Peng , Jing Dong

Pre-training is known to generate universal representations for downstream tasks in large-scale deep learning such as large language models. Existing literature, e.g., \cite{kim2020adversarial}, empirically observe that the downstream tasks…

Machine Learning · Computer Science 2024-01-30 Yue Xing , Xiaofeng Lin , Qifan Song , Yi Xu , Belinda Zeng , Guang Cheng

Most 3D shape completion approaches rely heavily on partial-complete shape pairs and learn in a fully supervised manner. Despite their impressive performances on in-domain data, when generalizing to partial shapes in other forms or…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Junzhe Zhang , Xinyi Chen , Zhongang Cai , Liang Pan , Haiyu Zhao , Shuai Yi , Chai Kiat Yeo , Bo Dai , Chen Change Loy

While adversarial training is considered as a standard defense method against adversarial attacks for image classifiers, adversarial purification, which purifies attacked images into clean images with a standalone purification model, has…

Machine Learning · Computer Science 2021-06-14 Jongmin Yoon , Sung Ju Hwang , Juho Lee

Shape and texture are two prominent and complementary cues for recognizing objects. Nonetheless, Convolutional Neural Networks are often biased towards either texture or shape, depending on the training dataset. Our ablation shows that such…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Yingwei Li , Qihang Yu , Mingxing Tan , Jieru Mei , Peng Tang , Wei Shen , Alan Yuille , Cihang Xie

Machine learning algorithms are vulnerable to data poisoning attacks. Prior taxonomies that focus on specific scenarios, e.g., indiscriminate or targeted, have enabled defenses for the corresponding subset of known attacks. Yet, this…

Cryptography and Security · Computer Science 2020-03-02 Sanghyun Hong , Varun Chandrasekaran , Yiğitcan Kaya , Tudor Dumitraş , Nicolas Papernot

Object recognition (OR) in humans relies heavily on shape cues and the ability to recognize objects across varying 3D viewpoints. Unlike humans, deep networks often rely on non-shape cues such as texture and background, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Jong Woo Nam , Amanda S. Rios , Bartlett W. Mel

Despite their great success, deep neural networks rely on high-dimensional, non-robust representations, making them vulnerable to imperceptible perturbations, even in transfer scenarios. To address this, both training-time defenses (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jiaming Liang , Chi-Man Pun

Deep Learning algorithms have achieved the state-of-the-art performance for Image Classification and have been used even in security-critical applications, such as biometric recognition systems and self-driving cars. However, recent works…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Gabriel Resende Machado , Eugênio Silva , Ronaldo Ribeiro Goldschmidt