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Most existing scene text detectors focus on detecting characters or words that only capture partial text messages due to missing contextual information. For a better understanding of text in scenes, it is more desired to detect contextual…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Chuhui Xue , Jiaxing Huang , Shijian Lu , Changhu Wang , Song Bai

Toxicity text detectors can be vulnerable to adversarial examples - small perturbations to input text that fool the systems into wrong detection. Existing attack algorithms are time-consuming and often produce invalid or ambiguous…

密码学与安全 · 计算机科学 2025-05-02 Xuan Zhu , Dmitriy Bespalov , Liwen You , Ninad Kulkarni , Yanjun Qi

Recent studies have revealed the vulnerability of pre-trained language models to adversarial attacks. Existing adversarial defense techniques attempt to reconstruct adversarial examples within feature or text spaces. However, these methods…

计算与语言 · 计算机科学 2024-04-02 Heng Yang , Ke Li

Adversarial attacks are a major challenge faced by current machine learning research. These purposely crafted inputs fool even the most advanced models, precluding their deployment in safety-critical applications. Extensive research in…

人工智能 · 计算机科学 2023-06-30 Edoardo Mosca , Shreyash Agarwal , Javier Rando , Georg Groh

Recently, with the advancement of deep learning, several applications in text classification have advanced significantly. However, this improvement comes with a cost because deep learning is vulnerable to adversarial examples. This weakness…

机器学习 · 计算机科学 2024-05-08 Korn Sooksatra , Bikram Khanal , Pablo Rivas

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.,…

计算与语言 · 计算机科学 2021-09-10 Maximilian Mozes , Max Bartolo , Pontus Stenetorp , Bennett Kleinberg , Lewis D. Griffin

Black-box textual adversarial attacks are challenging due to the lack of model information and the discrete, non-differentiable nature of text. Existing methods often lack versatility for attacking different models, suffer from limited…

计算与语言 · 计算机科学 2025-01-22 Mingze Ni , Yongshun Gong , Wei Liu

Natural Language Processing technology has advanced vastly in the past decade. Text processing has been successfully applied to a wide variety of domains. In this paper, we propose a novel framework, Text Based Classification(TBC), that…

人工智能 · 计算机科学 2023-11-22 Keshav Ramani , Daniel Borrajo

Time series anomaly detection (TSAD) plays an important role in many domains such as finance, transportation, and healthcare. With the ongoing instrumentation of reality, more time series data will be available, leading also to growing…

With the rapid development of Deep Neural Networks (DNNs), they have been applied in numerous fields. However, research indicates that DNNs are susceptible to adversarial examples, and this is equally true in the multi-label domain. To…

人工智能 · 计算机科学 2024-09-27 Yujiang Liu , Wenjian Luo , Zhijian Chen , Muhammad Luqman Naseem

The task of text classification is usually divided into two stages: {\it text feature extraction} and {\it classification}. In this standard formalization categories are merely represented as indexes in the label vocabulary, and the model…

计算与语言 · 计算机科学 2020-06-05 Duo Chai , Wei Wu , Qinghong Han , Fei Wu , Jiwei Li

Black-box adversarial attacks are widely used as tools to test the robustness of deep neural networks against malicious perturbations of input data aimed at a specific change in the output of the model. Such methods, although they remain…

机器学习 · 计算机科学 2026-03-13 Anna Chistyakova , Mikhail Pautov

Current adversarial attack research reveals the vulnerability of learning-based classifiers against carefully crafted perturbations. However, most existing attack methods have inherent limitations in cross-dataset generalization as they…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Cheng Luo , Qinliang Lin , Weicheng Xie , Bizhu Wu , Jinheng Xie , Linlin Shen

This paper presents the experiments and results for the CheckThat! Lab at CLEF 2024 Task 6: Robustness of Credibility Assessment with Adversarial Examples (InCrediblAE). The primary objective of this task was to generate adversarial…

Hate speech detection is a crucial task, especially on social media, where harmful content can spread quickly. Implementing machine learning models to automatically identify and address hate speech is essential for mitigating its impact and…

计算与语言 · 计算机科学 2025-08-19 Somaiyeh Dehghan , Mehmet Umut Sen , Berrin Yanikoglu

This study proposes a text classification algorithm based on large language models, aiming to address the limitations of traditional methods in capturing long-range dependencies, understanding contextual semantics, and handling class…

计算与语言 · 计算机科学 2025-12-11 Ning Lyu , Yuxi Wang , Feng Chen , Qingyuan Zhang

With rising concern around abusive and hateful behavior on social media platforms, we present an ensemble learning method to identify and analyze the linguistic properties of such content. Our stacked ensemble comprises of three machine…

计算与语言 · 计算机科学 2020-06-08 Gaurav Verma , Niyati Chhaya , Vishwa Vinay

Detecting problematic content, such as hate speech, is a multifaceted and ever-changing task, influenced by social dynamics, user populations, diversity of sources, and evolving language. There has been significant efforts, both in academia…

计算与语言 · 计算机科学 2023-10-09 Ali Omrani , Alireza S. Ziabari , Preni Golazizian , Jeffrey Sorensen , Morteza Dehghani

Binary code representation learning has shown significant performance in binary analysis tasks. But existing solutions often have poor transferability, particularly in few-shot and zero-shot scenarios where few or no training samples are…

软件工程 · 计算机科学 2024-02-28 Hao Wang , Zeyu Gao , Chao Zhang , Zihan Sha , Mingyang Sun , Yuchen Zhou , Wenyu Zhu , Wenju Sun , Han Qiu , Xi Xiao

This paper introduces a novel adversarial attack method targeting text classification models, termed the Modified Word Saliency-based Adversarial At-tack (MWSAA). The technique builds upon the concept of word saliency to strategically…

计算与语言 · 计算机科学 2025-05-13 Hetvi Waghela , Sneha Rakshit , Jaydip Sen