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Related papers: TrojViT: Trojan Insertion in Vision Transformers

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Vision transformers (ViT) have demonstrated impressive performance across various machine vision problems. These models are based on multi-head self-attention mechanisms that can flexibly attend to a sequence of image patches to encode…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Muzammal Naseer , Kanchana Ranasinghe , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang

Adversarial attacks on deep learning-based models pose a significant threat to the current AI infrastructure. Among them, Trojan attacks are the hardest to defend against. In this paper, we first introduce a variation of the Badnet kind of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Haripriya Harikumar , Santu Rana , Kien Do , Sunil Gupta , Wei Zong , Willy Susilo , Svetha Venkastesh

Vision Transformer (ViT), as a powerful alternative to Convolutional Neural Network (CNN), has received much attention. Recent work showed that ViTs are also vulnerable to adversarial examples like CNNs. To build robust ViTs, an intuitive…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Boxi Wu , Jindong Gu , Zhifeng Li , Deng Cai , Xiaofei He , Wei Liu

Recently, vision Transformers (ViTs) are developing rapidly and starting to challenge the domination of convolutional neural networks (CNNs) in the realm of computer vision (CV). With the general-purpose Transformer architecture replacing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Haofei Zhang , Jiarui Duan , Mengqi Xue , Jie Song , Li Sun , Mingli Song

Change detection in remote sensing images is essential for tracking environmental changes on the Earth's surface. Despite the success of vision transformers (ViTs) as backbones in numerous computer vision applications, they remain…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Duowang Zhu , Xiaohu Huang , Haiyan Huang , Zhenfeng Shao , Qimin Cheng

The use of transformers for vision tasks has challenged the traditional dominant role of convolutional neural networks (CNN) in computer vision (CV). For image classification tasks, Vision Transformer (ViT) effectively establishes spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Shihua Sun , Kenechukwu Nwodo , Shridatt Sugrim , Angelos Stavrou , Haining Wang

Vision transformers (ViTs) have demonstrated impressive performance on a series of computer vision tasks, yet they still suffer from adversarial examples. % crafted in a similar fashion as CNNs. In this paper, we posit that adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Zhipeng Wei , Jingjing Chen , Micah Goldblum , Zuxuan Wu , Tom Goldstein , Yu-Gang Jiang

Backdoor (trojan) attacks embed hidden, controllable behaviors into machine-learning models so that models behave normally on benign inputs but produce attacker-chosen outputs when a trigger is present. This survey reviews the rapidly…

Cryptography and Security · Computer Science 2025-09-10 Bilal Hussain Abbasi , Yanjun Zhang , Leo Zhang , Shang Gao

The major part of the vanilla vision transformer (ViT) is the attention block that brings the power of mimicking the global context of the input image. For better performance, ViT needs large-scale training data. To overcome this data…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Ahmed Aldahdooh , Wassim Hamidouche , Olivier Deforges

Trojan backdoor is a poisoning attack against Neural Network (NN) classifiers in which adversaries try to exploit the (highly desirable) model reuse property to implant Trojans into model parameters for backdoor breaches through a poisoned…

Cryptography and Security · Computer Science 2022-09-07 Guanxiong Liu , Abdallah Khreishah , Fatima Sharadgah , Issa Khalil

Deep neural networks (DNNs) have achieved tremendous success in various applications including video action recognition, yet remain vulnerable to backdoor attacks (Trojans). The backdoor-compromised model will mis-classify to the target…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Xi Li , Songhe Wang , Ruiquan Huang , Mahanth Gowda , George Kesidis

Transformers are popular neural network models that use layers of self-attention and fully-connected nodes with embedded tokens. Vision Transformers (ViT) adapt transformers for image recognition tasks. In order to do this, the images are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Brian Kenji Iwana , Akihiro Kusuda

Deep learning technology can be used as an assistive technology to help doctors quickly and accurately identify COVID-19 infections. Recently, Vision Transformer (ViT) has shown great potential towards image classification due to its global…

Image and Video Processing · Electrical Eng. & Systems 2022-07-06 Hongyan Xu , Xiu Su , Dadong Wang

Dense computer vision tasks such as object detection and segmentation require effective multi-scale feature representation for detecting or classifying objects or regions with varying sizes. While Convolutional Neural Networks (CNNs) have…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Youngwan Lee , Jonghee Kim , Jeff Willette , Sung Ju Hwang

Trojan attacks pose a severe threat to AI systems. Recent works on Transformer models received explosive popularity and the self-attentions are now indisputable. This raises a central question: Can we reveal the Trojans through attention…

Machine Learning · Computer Science 2022-08-11 Weimin Lyu , Songzhu Zheng , Tengfei Ma , Haibin Ling , Chao Chen

Transformers, which are popular for language modeling, have been explored for solving vision tasks recently, e.g., the Vision Transformer (ViT) for image classification. The ViT model splits each image into a sequence of tokens with fixed…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Li Yuan , Yunpeng Chen , Tao Wang , Weihao Yu , Yujun Shi , Zihang Jiang , Francis EH Tay , Jiashi Feng , Shuicheng Yan

Light-weight convolutional neural networks (CNNs) are the de-facto for mobile vision tasks. Their spatial inductive biases allow them to learn representations with fewer parameters across different vision tasks. However, these networks are…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Sachin Mehta , Mohammad Rastegari

Recently, Vision Transformers (ViTs) have achieved unprecedented effectiveness in the general domain of image classification. Nonetheless, these models remain underexplored in the field of deepfake detection, given their lower performance…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Dat Nguyen , Marcella Astrid , Enjie Ghorbel , Djamila Aouada

Vision transformers (ViTs) have been successfully deployed in a variety of computer vision tasks, but they are still vulnerable to adversarial samples. Transfer-based attacks use a local model to generate adversarial samples and directly…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Jianping Zhang , Yizhan Huang , Weibin Wu , Michael R. Lyu

Adversarial attacks pose a significant threat to deep learning models, particularly in safety-critical applications like healthcare and autonomous driving. Recently, patch based attacks have demonstrated effectiveness in real-time inference…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Prashant Shekhar , Bidur Devkota , Dumindu Samaraweera , Laxima Niure Kandel , Manoj Babu