中文
相关论文

相关论文: Fooling OCR Systems with Adversarial Text Images

200 篇论文

Optical character recognition (OCR) is widely applied in real applications serving as a key preprocessing tool. The adoption of deep neural network (DNN) in OCR results in the vulnerability against adversarial examples which are crafted to…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Lu Chen , Wei Xu

Optical Character Recognition (OCR) is a widely used tool to extract text from scanned documents. Today, the state-of-the-art is achieved by exploiting deep neural networks. However, the cost of this performance is paid at the price of…

密码学与安全 · 计算机科学 2023-10-13 Mauro Conti , Nicola Farronato , Stefanos Koffas , Luca Pajola , Stjepan Picek

Text-based machine learning models are vulnerable to an emerging class of Unicode-based adversarial examples capable of tricking a model into misreading text with potentially disastrous effects. The primary existing defense against these…

密码学与安全 · 计算机科学 2025-10-14 Nicholas Boucher , Jenny Blessing , Ilia Shumailov , Ross Anderson , Nicolas Papernot

Recent advances in deep neural networks (DNNs) have significantly enhanced the capabilities of optical character recognition (OCR) technology, enabling its adoption to a wide range of real-world applications. Despite this success, DNN-based…

密码学与安全 · 计算机科学 2023-01-16 Chissanupong Jiamsuchon , Jakapan Suaboot , Norrathep Rattanavipanon

Optical Character Recognition (OCR) technology finds applications in digitizing books and unstructured documents, along with applications in other domains such as mobility statistics, law enforcement, traffic, security systems, etc. The…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Aishik Rakshit , Samyak Mehta , Anirban Dasgupta

Adversarial attacks can mislead deep learning models to make false predictions by implanting small perturbations to the original input that are imperceptible to the human eye, which poses a huge security threat to the computer vision…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Junbin Fang , You Jiang , Canjian Jiang , Zoe L. Jiang , Siu-Ming Yiu , Chuanyi Liu

Thanks to recent advances in deep neural networks (DNNs), face recognition systems have become highly accurate in classifying a large number of face images. However, recent studies have found that DNNs could be vulnerable to adversarial…

机器学习 · 计算机科学 2020-01-29 Kazuya Kakizaki , Kosuke Yoshida

Deep learning has proven to be a powerful tool for computer vision and has seen widespread adoption for numerous tasks. However, deep learning algorithms are known to be vulnerable to adversarial examples. These adversarial inputs are…

密码学与安全 · 计算机科学 2018-07-25 Kevin Eykholt , Ivan Evtimov , Earlence Fernandes , Bo Li , Dawn Song , Tadayoshi Kohno , Amir Rahmati , Atul Prakash , Florian Tramer

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

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…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Atman Mishra , A. Sharath Ram , Kavyashree C

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

Recent approaches employ deep learning-based solutions for the recovery of a sharp image from its blurry observation. This paper introduces adversarial attacks against deep learning-based image deblurring methods and evaluates the…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kanchana Vaishnavi Gandikota , Paramanand Chandramouli , Michael Moeller

Deep neural networks have been shown to exhibit an intriguing vulnerability to adversarial input images corrupted with imperceptible perturbations. However, the majority of adversarial attacks assume global, fine-grained control over the…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Ameya Joshi , Amitangshu Mukherjee , Soumik Sarkar , Chinmay Hegde

Deep learning based systems are susceptible to adversarial attacks, where a small, imperceptible change at the input alters the model prediction. However, to date the majority of the approaches to detect these attacks have been designed for…

计算与语言 · 计算机科学 2022-09-27 Vyas Raina , Mark Gales

Deep neural networks have been shown to be fooled rather easily using adversarial attack algorithms. Practical methods such as adversarial patches have been shown to be extremely effective in causing misclassification. However, these…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Akshayvarun Subramanya , Vipin Pillai , Hamed Pirsiavash

Deep neural networks are facing a potential security threat from adversarial examples, inputs that look normal but cause an incorrect classification by the deep neural network. For example, the proposed threat could result in hand-written…

计算机视觉与模式识别 · 计算机科学 2016-10-17 Abigail Graese , Andras Rozsa , Terrance E. Boult

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Krzysztof Olejniczak , Milan Šulc

Deep neural networks (DNNs) have been shown to be vulnerable to adversarial attacks -- subtle, perceptually indistinguishable perturbations of inputs that change the response of the model. In the context of vision, we hypothesize that an…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Muhammad A. Shah , Bhiksha Raj

Deep Learning algorithms have achieved the state-of-the-art performance for Image Classification and have been used even in security-critical applications, such as biometric recognition systems and self-driving cars. However, recent works…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Gabriel Resende Machado , Eugênio Silva , Ronaldo Ribeiro Goldschmidt

With the advent of digital optical scanners, a lot of paper-based books, textbooks, magazines, articles, and documents are being transformed into an electronic version that can be manipulated by a computer. For this purpose, OCR, short for…

计算与语言 · 计算机科学 2012-04-03 Youssef Bassil , Mohammad Alwani
‹ 上一页 1 2 3 10 下一页 ›