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Related papers: TrojViT: Trojan Insertion in Vision Transformers

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In this work, we show how to jointly exploit adversarial perturbation and model poisoning vulnerabilities to practically launch a new stealthy attack, dubbed AdvTrojan. AdvTrojan is stealthy because it can be activated only when: 1) a…

Cryptography and Security · Computer Science 2021-09-06 Guanxiong Liu , Issa Khalil , Abdallah Khreishah , NhatHai Phan

Deep Neural Network (DNN) classifiers are known to be vulnerable to Trojan or backdoor attacks, where the classifier is manipulated such that it misclassifies any input containing an attacker-determined Trojan trigger. Backdoors compromise…

Cryptography and Security · Computer Science 2021-03-12 Ahmadreza Azizi , Ibrahim Asadullah Tahmid , Asim Waheed , Neal Mangaokar , Jiameng Pu , Mobin Javed , Chandan K. Reddy , Bimal Viswanath

Vision Transformers, ViTs, have emerged as a powerful alternative to convolutional neural networks, CNNs, in a variety of image-based tasks. While CNNs have previously been evaluated for their ability to perform graphical perception tasks,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Poonam Poonam , Pere-Pau Vázquez , Timo Ropinski

Motivated by the success of Transformers in natural language processing (NLP) tasks, there emerge some attempts (e.g., ViT and DeiT) to apply Transformers to the vision domain. However, pure Transformer architectures often require a large…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Kun Yuan , Shaopeng Guo , Ziwei Liu , Aojun Zhou , Fengwei Yu , Wei Wu

Visual Transformers (VTs) are emerging as an architectural paradigm alternative to Convolutional networks (CNNs). Differently from CNNs, VTs can capture global relations between image elements and they potentially have a larger…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yahui Liu , Enver Sangineto , Wei Bi , Nicu Sebe , Bruno Lepri , Marco De Nadai

Vision transformer (ViT) expands the success of transformer models from sequential data to images. The model decomposes an image into many smaller patches and arranges them into a sequence. Multi-head self-attentions are then applied to the…

Machine Learning · Computer Science 2023-03-27 Yiran Li , Junpeng Wang , Xin Dai , Liang Wang , Chin-Chia Michael Yeh , Yan Zheng , Wei Zhang , Kwan-Liu Ma

Humans see low spatial frequency components before high spatial frequency components. Drawing on this neuroscientific inspiration, we investigate the effect of introducing patches from different spatial frequencies into Vision Transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Yuyang Shu , Michael E. Bain

Self-attention based models such as vision transformers (ViTs) have emerged as a very competitive architecture alternative to convolutional neural networks (CNNs) in computer vision. Despite increasingly stronger variants with ever-higher…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Junting Pan , Adrian Bulat , Fuwen Tan , Xiatian Zhu , Lukasz Dudziak , Hongsheng Li , Georgios Tzimiropoulos , Brais Martinez

Like all software systems, the execution of deep learning models is dictated in part by logic represented as data in memory. For decades, attackers have exploited traditional software programs by manipulating this data. We propose a live…

Cryptography and Security · Computer Science 2020-05-29 Robby Costales , Chengzhi Mao , Raphael Norwitz , Bryan Kim , Junfeng Yang

The large pre-trained vision transformers (ViTs) have demonstrated remarkable performance on various visual tasks, but suffer from expensive computational and memory cost problems when deployed on resource-constrained devices. Among the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yanjing Li , Sheng Xu , Baochang Zhang , Xianbin Cao , Peng Gao , Guodong Guo

Vision Transformer (ViT) has brought new breakthroughs to the field of image classification by introducing the self-attention mechanism and Graph Convolutional Networks(GCN) have been proposed and successfully applied in data representation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Haibin Jiao

The extension of convolutional neural networks (CNNs) to non-Euclidean geometries has led to multiple frameworks for studying manifolds. Many of those methods have shown design limitations resulting in poor modelling of long-range…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Simon Dahan , Logan Z. J. Williams , Abdulah Fawaz , Daniel Rueckert , Emma C. Robinson

Vision transformers (ViTs) have demonstrated impressive performance in various computer vision tasks. However, the adversarial examples generated by ViTs are challenging to transfer to other networks with different structures. Recent attack…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Huipeng Zhou , Yu-an Tan , Yajie Wang , Haoran Lyu , Shangbo Wu , Yuanzhang Li

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Vision Transformers (ViT) have recently demonstrated the significant potential of transformer architectures for computer vision. To what extent can image-based deep reinforcement learning also benefit from ViT architectures, as compared to…

Machine Learning · Computer Science 2022-05-17 Tianxin Tao , Daniele Reda , Michiel van de Panne

The transformer model has gained widespread adoption in computer vision tasks in recent times. However, due to the quadratic time and memory complexity of self-attention, which is proportional to the number of input tokens, most existing…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Wei Tan , Yifeng Geng , Xuansong Xie

Existing visual change detectors usually adopt CNNs or Transformers for feature representation learning and focus on learning effective representation for the changed regions between images. Although good performance can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Bo Jiang , Zitian Wang , Xixi Wang , Ziyan Zhang , Lan Chen , Xiao Wang , Bin Luo

Recent deep-learning-based compression methods have achieved superior performance compared with traditional approaches. However, deep learning models have proven to be vulnerable to backdoor attacks, where some specific trigger patterns…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Yi Yu , Yufei Wang , Wenhan Yang , Shijian Lu , Yap-peng Tan , Alex C. Kot

The unprecedented success of deep neural networks in many applications has made these networks a prime target for adversarial exploitation. In this paper, we introduce a benchmark technique for detecting backdoor attacks (aka Trojan…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Soheil Kolouri , Aniruddha Saha , Hamed Pirsiavash , Heiko Hoffmann

In recent years, the scientific community has focused on the development of CAD tools that could improve bone fractures' classification, mostly based on Convolutional Neural Network (CNN). However, the discerning accuracy of fractures'…

Artificial Intelligence · Computer Science 2021-10-27 Leonardo Tanzi , Andrea Audisio , Giansalvo Cirrincione , Alessandro Aprato , Enrico Vezzetti