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Research shows that natural language processing models are generally considered to be vulnerable to adversarial attacks; but recent work has drawn attention to the issue of validating these adversarial inputs against certain criteria (e.g.,…

Computation and Language · Computer Science 2021-09-10 Maximilian Mozes , Max Bartolo , Pontus Stenetorp , Bennett Kleinberg , Lewis D. Griffin

Generating adversarial examples for natural language is hard, as natural language consists of discrete symbols, and examples are often of variable lengths. In this paper, we propose a geometry-inspired attack for generating natural language…

Computation and Language · Computer Science 2020-10-06 Zhao Meng , Roger Wattenhofer

Generative Adversarial Networks (GANs) are a promising approach for text generation that, unlike traditional language models (LM), does not suffer from the problem of ``exposure bias''. However, A major hurdle for understanding the…

Computation and Language · Computer Science 2019-03-26 Guy Tevet , Gavriel Habib , Vered Shwartz , Jonathan Berant

We propose the first character-level white-box adversarial attack method against transformer models. The intuition of our method comes from the observation that words are split into subtokens before being fed into the transformer models and…

Computation and Language · Computer Science 2022-11-01 Aiwei Liu , Honghai Yu , Xuming Hu , Shu'ang Li , Li Lin , Fukun Ma , Yawen Yang , Lijie Wen

Following great success in the image processing field, the idea of adversarial training has been applied to tasks in the natural language processing (NLP) field. One promising approach directly applies adversarial training developed in the…

Machine Learning · Computer Science 2018-05-09 Motoki Sato , Jun Suzuki , Hiroyuki Shindo , Yuji Matsumoto

Adversarial attack is commonly regarded as a huge threat to neural networks because of misleading behavior. This paper presents an opposite perspective: adversarial attacks can be harnessed to improve neural models if amended correctly.…

Artificial Intelligence · Computer Science 2023-05-19 Chong Yu , Tao Chen , Zhongxue Gan

Projected Gradient Descent (PGD) is a strong and widely used first-order adversarial attack, yet its computational cost scales poorly, as all training samples undergo identical iterative inner-loop optimization despite contributing…

Machine Learning · Computer Science 2025-12-29 Youran Ye , Dejin Wang , Ajinkya Bhandare

For many computer vision applications such as image captioning, visual question answering, and person search, learning discriminative feature representations at both image and text level is an essential yet challenging problem. Its…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

This paper presents a novel method to deal with the challenging task of generating photographic images conditioned on semantic image descriptions. Our method introduces accompanying hierarchical-nested adversarial objectives inside the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Zizhao Zhang , Yuanpu Xie , Lin Yang

State-of-the-art deep neural networks suffer from a fundamental problem - they misclassify adversarial examples formed by applying small perturbations to inputs. In this paper, we present a new psychometric perceptual adversarial similarity…

Computer Vision and Pattern Recognition · Computer Science 2016-05-18 Andras Rozsa , Ethan M. Rudd , Terrance E. Boult

Assessing the proper difficulty levels of reading materials or texts in general is the first step towards effective comprehension and learning. In this study, we improve the conventional methodology of automatic readability assessment by…

Computation and Language · Computer Science 2021-09-21 Joseph Marvin Imperial , Ethel Ong

We propose a probabilistic perspective on adversarial examples, allowing us to embed subjective understanding of semantics as a distribution into the process of generating adversarial examples, in a principled manner. Despite significant…

Machine Learning · Statistics 2024-11-26 Andi Zhang , Mingtian Zhang , Damon Wischik

Adversarial attacks expose vulnerabilities of deep learning models by introducing minor perturbations to the input, which lead to substantial alterations in the output. Our research focuses on the impact of such adversarial attacks on…

Computation and Language · Computer Science 2023-09-14 Pavel Burnyshev , Elizaveta Kostenok , Alexey Zaytsev

Neural text detectors aim to decide the characteristics that distinguish neural (machine-generated) from human texts. To challenge such detectors, adversarial attacks can alter the statistical characteristics of the generated text, making…

Cryptography and Security · Computer Science 2023-02-14 Gongbo Liang , Jesus Guerrero , Izzat Alsmadi

Adversarial attacks pose a threat to deep learning models. However, research on adversarial detection methods, especially in the multi-modal domain, is very limited. In this work, we propose an efficient and straightforward detection method…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Pingchuan Ma , Stavros Petridis , Maja Pantic

A good Text-to-Image model should not only generate high quality images, but also ensure the consistency between the text and the generated image. Previous models failed to simultaneously fix both sides well. This paper proposes a Gradual…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Bo Yang , Fangxiang Feng , Xiaojie Wang

Adversarial examples, generated by applying small perturbations to input features, are widely used to fool classifiers and measure their robustness to noisy inputs. However, little work has been done to evaluate the robustness of ranking…

Information Retrieval · Computer Science 2020-08-06 Nisarg Raval , Manisha Verma

Adversarial attacks constitute a notable threat to machine learning systems, given their potential to induce erroneous predictions and classifications. However, within real-world contexts, the essential specifics of the deployed model are…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Jingwen Ye , Ruonan Yu , Songhua Liu , Xinchao Wang

Achieving robustness against adversarial input perturbation is an important and intriguing problem in machine learning. In the area of semantic image segmentation, a number of adversarial training approaches have been proposed as a defense…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Levente Halmosi , Mark Jelasity

Large language models (LLMs) have significantly transformed the educational landscape. As current plagiarism detection tools struggle to keep pace with LLMs' rapid advancements, the educational community faces the challenge of assessing…

Computation and Language · Computer Science 2024-06-18 Roy Xie , Chengxuan Huang , Junlin Wang , Bhuwan Dhingra
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