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Related papers: Adversarial CAPTCHAs

200 papers

Artificial intelligence is known as the most effective technological field for rapid developments shaping the future of the world. Even today, it is possible to see intense use of intelligence systems in all fields of the life. Although…

Machine Learning · Computer Science 2019-10-16 Utku Kose

Visual adversarial examples have so far been restricted to pixel-level image manipulations in the digital world, or have required sophisticated equipment such as 2D or 3D printers to be produced in the physical real world. We present the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 David Khachaturov , Yue Gao , Ilia Shumailov , Robert Mullins , Ross Anderson , Kassem Fawaz

Production machine learning systems are consistently under attack by adversarial actors. Various deep learning models must be capable of accurately detecting fake or adversarial input while maintaining speed. In this work, we propose one…

Machine Learning · Computer Science 2021-06-15 Matthew Ciolino , Josh Kalin , David Noever

In this work, we propose a method for neural dialogue response generation that allows not only generating semantically reasonable responses according to the dialogue history, but also explicitly controlling the sentiment of the response via…

Computation and Language · Computer Science 2019-01-23 Xiang Kong , Bohan Li , Graham Neubig , Eduard Hovy , Yiming Yang

Recent research has found that many families of machine learning models are vulnerable to adversarial examples: inputs that are specifically designed to cause the target model to produce erroneous outputs. In this survey, we focus on…

Machine Learning · Computer Science 2019-11-19 Rey Reza Wiyatno , Anqi Xu , Ousmane Dia , Archy de Berker

Data for deep learning should be protected for privacy preserving. Researchers have come up with the notion of learnable image encryption to satisfy the requirement. However, existing privacy preserving approaches have never considered the…

Image and Video Processing · Electrical Eng. & Systems 2019-08-01 MaungMaung AprilPyone , Warit Sirichotedumrong , Hitoshi Kiya

In spite of the enormous success of neural networks, adversarial examples remain a relatively weakly understood feature of deep learning systems. There is a considerable effort in both building more powerful adversarial attacks and…

Machine Learning · Computer Science 2022-08-16 Maciej Żelaszczyk , Jacek Mańdziuk

Deep neural networks have been shown vulnerable toadversarial patches, where exotic patterns can resultin models wrong prediction. Nevertheless, existing ap-proaches to adversarial patch generation hardly con-sider the contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Jinqi Luo , Tao Bai , Jun Zhao

Adversarial examples in NLP are receiving increasing research attention. One line of investigation is the generation of word-level adversarial examples against fine-tuned Transformer models that preserve naturalness and grammaticality.…

Computation and Language · Computer Science 2022-10-24 Maximilian Mozes , Bennett Kleinberg , Lewis D. Griffin

In recent years, machine learning models, especially deep neural networks, have been widely used for classification tasks in the security domain. However, these models have been shown to be vulnerable to adversarial manipulation: small…

Cryptography and Security · Computer Science 2024-03-12 Dong Qin , George Amariucai , Daji Qiao , Yong Guan

Wake-up word detection models are widely used in real life, but suffer from severe performance degradation when encountering adversarial samples. In this paper we discuss the concept of confusing words in adversarial samples. Confusing…

Sound · Computer Science 2022-01-04 Haoxu Wang , Yan Jia , Zeqing Zhao , Xuyang Wang , Junjie Wang , Ming Li

Deep neural networks are known to be vulnerable to adversarial examples, i.e., images that are maliciously perturbed to fool the model. Generating adversarial examples has been mostly limited to finding small perturbations that maximize the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Hossein Hosseini , Radha Poovendran

Adversarial examples are typically constructed by perturbing an existing data point within a small matrix norm, and current defense methods are focused on guarding against this type of attack. In this paper, we propose unrestricted…

Machine Learning · Computer Science 2018-12-04 Yang Song , Rui Shu , Nate Kushman , Stefano Ermon

Deep learning has emerged as a strong and efficient framework that can be applied to a broad spectrum of complex learning problems which were difficult to solve using the traditional machine learning techniques in the past. In the last few…

Machine Learning · Computer Science 2018-10-02 Anirban Chakraborty , Manaar Alam , Vishal Dey , Anupam Chattopadhyay , Debdeep Mukhopadhyay

Multiple different approaches of generating adversarial examples have been proposed to attack deep neural networks. These approaches involve either directly computing gradients with respect to the image pixels, or directly solving an…

Neural and Evolutionary Computing · Computer Science 2017-03-29 Shumeet Baluja , Ian Fischer

To enhance the security of text CAPTCHAs, various methods have been employed, such as adding the interference lines on the text, randomly distorting the characters, and overlapping multiple characters. These methods partly increase the…

Cryptography and Security · Computer Science 2023-08-17 Ran Jiang , Sanfeng Zhang , Linfeng Liu , Yanbing Peng

Deep neural networks have been proved that they are vulnerable to adversarial examples, which are generated by adding human-imperceptible perturbations to images. To defend these adversarial examples, various detection based methods have…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Kejiang Chen , Yuefeng Chen , Hang Zhou , Chuan Qin , Xiaofeng Mao , Weiming Zhang , Nenghai Yu

Prevailing defense mechanisms against adversarial face images tend to overfit to the adversarial perturbations in the training set and fail to generalize to unseen adversarial attacks. We propose a new self-supervised adversarial defense…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Debayan Deb , Xiaoming Liu , Anil K. Jain

The rapid advancement of generative image technology has introduced significant security concerns, particularly in the domain of face generation detection. This paper investigates the vulnerabilities of current AI-generated face detection…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Sun Haoxuan , Hong Yan , Zhan Jiahui , Chen Haoxing , Lan Jun , Zhu Huijia , Wang Weiqiang , Zhang Liqing , Zhang Jianfu

Many adversarial attacks target natural language processing systems, most of which succeed through modifying the individual tokens of a document. Despite the apparent uniqueness of each of these attacks, fundamentally they are simply a…

Computation and Language · Computer Science 2024-01-09 Tom Roth , Yansong Gao , Alsharif Abuadbba , Surya Nepal , Wei Liu