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The rise of hardware-level security threats, such as side-channel attacks, hardware Trojans, and firmware vulnerabilities, demands advanced detection mechanisms that are more intelligent and adaptive. Traditional methods often fall short in…

Cryptography and Security · Computer Science 2025-05-29 Banafsheh Saber Latibari , Najmeh Nazari , Avesta Sasan , Houman Homayoun , Pratik Satam , Soheil Salehi , Hossein Sayadi

Academic documents are packed with texts, equations, tables, and figures, requiring comprehensive understanding for accurate Optical Character Recognition (OCR). While end-to-end OCR methods offer improved accuracy over layout-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yu Sun , Dongzhan Zhou , Chen Lin , Conghui He , Wanli Ouyang , Han-Sen Zhong

Large language models (LLMs) have achieved remarkable performance across diverse natural language processing tasks, yet their vulnerability to character-level adversarial manipulations presents significant security challenges for real-world…

Cryptography and Security · Computer Science 2025-11-27 Ephraiem Sarabamoun

Transformer-based object detectors (DETR) have shown significant performance across machine vision tasks, ultimately in object detection. This detector is based on a self-attention mechanism along with the transformer encoder-decoder…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Zhao Ning Zou , Yuhang Zhang , Robert Wijaya

We demonstrate that state-of-the-art optical character recognition (OCR) based on deep learning is vulnerable to adversarial images. Minor modifications to images of printed text, which do not change the meaning of the text to a human…

Machine Learning · Computer Science 2018-02-16 Congzheng Song , Vitaly Shmatikov

Deep neural networks have been demonstrated to be vulnerable to adversarial attacks: subtle perturbation can completely change prediction result. The vulnerability has led to a surge of research in this direction, including adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Quanyu Liao , Xin Wang , Bin Kong , Siwei Lyu , Bin Zhu , Youbing Yin , Qi Song , Xi Wu

We investigate how to train a high quality optical character recognition (OCR) model for difficult historical typefaces on degraded paper. Through extensive grid searches, we obtain a neural network architecture and a set of optimal data…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Bernhard Liebl , Manuel Burghardt

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

Neural networks have received a lot of attention recently, and related security issues have come with it. Many studies have shown that neural networks are vulnerable to adversarial examples that have been artificially perturbed with…

Cryptography and Security · Computer Science 2025-08-07 Shi Pu , Fu Song , Wenjie Wang

The landscape of adversarial attacks against text classifiers continues to grow, with new attacks developed every year and many of them available in standard toolkits, such as TextAttack and OpenAttack. In response, there is a growing body…

Computation and Language · Computer Science 2022-01-24 Zhouhang Xie , Jonathan Brophy , Adam Noack , Wencong You , Kalyani Asthana , Carter Perkins , Sabrina Reis , Sameer Singh , Daniel Lowd

Neural networks are known to be vulnerable to carefully crafted adversarial examples, and these malicious samples often transfer, i.e., they maintain their effectiveness even against other models. With great efforts delved into the…

Machine Learning · Computer Science 2019-05-10 Yunhan Jia , Yantao Lu , Senem Velipasalar , Zhenyu Zhong , Tao Wei

Machine learning systems and also, specifically, automatic speech recognition (ASR) systems are vulnerable against adversarial attacks, where an attacker maliciously changes the input. In the case of ASR systems, the most interesting cases…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-04 Sina Däubener , Lea Schönherr , Asja Fischer , Dorothea Kolossa

The emergence of deep learning led to the broad usage of neural networks in the time series domain for various applications, including finance and medicine. While powerful, these models are prone to adversarial attacks: a benign targeted…

Machine Learning · Computer Science 2025-03-03 Petr Sokerin , Dmitry Anikin , Sofia Krehova , Alexey Zaytsev

OCR (Optical Character Recognition) is a technology that offers comprehensive alphanumeric recognition of handwritten and printed characters at electronic speed by merely scanning the document. Recently, the understanding of visual data has…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Atman Mishra , A. Sharath Ram , Kavyashree C

Recent advances in attention-based networks have shown that Vision Transformers can achieve state-of-the-art or near state-of-the-art results on many image classification tasks. This puts transformers in the unique position of being a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Kaleel Mahmood , Rigel Mahmood , Marten van Dijk

Deep neural networks are vulnerable to adversarial attacks, where a small perturbation to an input alters the model prediction. In many cases, malicious inputs intentionally crafted for one model can fool another model. In this paper, we…

Machine Learning · Computer Science 2021-09-23 Liping Yuan , Xiaoqing Zheng , Yi Zhou , Cho-Jui Hsieh , Kai-wei Chang

Vision transformers rely on a patch token based self attention mechanism, in contrast to convolutional networks. We investigate fundamental differences between these two families of models, by designing a block sparsity based adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Ameya Joshi , Gauri Jagatap , Chinmay Hegde

Recent progress in deep learning has led to the development of Optical Character Recognition (OCR) systems which perform remarkably well. Most research has been around recurrent networks as well as complex gated layers which make the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Kartik Chaudhary , Raghav Bali

Large language model (LLM) watermarking has shown promise in detecting AI-generated content and mitigating misuse, with prior work claiming robustness against paraphrasing and text editing. In this paper, we argue that existing evaluations…

Cryptography and Security · Computer Science 2026-05-15 Hanbo Huang , Yiran Zhang , Hao Zheng , Xuan Gong , Yihan Li , Lin Liu , Zhuotao Liu , Shiyu Liang

Predicting clinical outcomes to anti-cancer drugs on a personalized basis is challenging in cancer treatment due to the heterogeneity of tumors. Traditional computational efforts have been made to model the effect of drug response on…

Machine Learning · Computer Science 2022-07-12 Jie Gao , Jing Hu , Wanqing Sun , Yili Shen , Xiaonan Zhang , Xiaomin Fang , Fan Wang , Guodong Zhao