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Backdoor attacks pose a significant threat when using third-party data for deep learning development. In these attacks, data can be manipulated to cause a trained model to behave improperly when a specific trigger pattern is applied,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Abdullah Arafat Miah , Kaan Icer , Resit Sendag , Yu Bi

Modern language models remain vulnerable to backdoor attacks via poisoned data, where training inputs containing a trigger are paired with a target output, causing the model to reproduce that behavior whenever the trigger appears at…

Cryptography and Security · Computer Science 2026-01-06 Eric Xue , Ruiyi Zhang , Pengtao Xie

The robustness of semantic segmentation on edge cases of traffic scene is a vital factor for the safety of intelligent transportation. However, most of the critical scenes of traffic accidents are extremely dynamic and previously unseen,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Jiaming Zhang , Kailun Yang , Rainer Stiefelhagen

Deep neural networks (DNNs) have shown unprecedented success in object detection tasks. However, it was also discovered that DNNs are vulnerable to multiple kinds of attacks, including Backdoor Attacks. Through the attack, the attacker…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Yize Cheng , Wenbin Hu , Minhao Cheng

In this paper, we introduce an enhanced textual adversarial attack method, known as Saliency Attention and Semantic Similarity driven adversarial Perturbation (SASSP). The proposed scheme is designed to improve the effectiveness of…

Cryptography and Security · Computer Science 2025-05-22 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

Unsupervised semantic segmentation aims to achieve high-quality semantic grouping without human-labeled annotations. With the advent of self-supervised pre-training, various frameworks utilize the pre-trained features to train prediction…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Junho Kim , Byung-Kwan Lee , Yong Man Ro

Backdoor attacks targeting text-to-image diffusion models have advanced rapidly. However, current backdoor samples often exhibit two key abnormalities compared to benign samples: 1) Semantic Consistency, where backdoor prompts tend to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Jie Zhang , Zhongqi Wang , Shiguang Shan , Xilin Chen

The proliferation of Large Language Models (LLMs) poses challenges in detecting and mitigating digital deception, as these models can emulate human conversational patterns and facilitate chat-based social engineering (CSE) attacks. This…

Deep Neural Networks (DNNs) have demonstrated exceptional performance on most recognition tasks such as image classification and segmentation. However, they have also been shown to be vulnerable to adversarial examples. This phenomenon has…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Anurag Arnab , Ondrej Miksik , Philip H. S. Torr

Text-to-image diffusion models have been widely adopted in real-world applications due to their ability to generate realistic images from textual descriptions. However, recent studies have shown that these methods are vulnerable to backdoor…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Oscar Chew , Po-Yi Lu , Jayden Lin , Hsuan-Tien Lin

Most post-training backdoor detection methods rely on attacked models exhibiting extreme outlier detection statistics for the target class of an attack, compared to non-target classes. However, these approaches may fail: (1) when some…

Machine Learning · Computer Science 2025-12-10 Guangmingmei Yang , David J. Miller , George Kesidis

Weakly supervised semantic segmentation aims to achieve pixel-level predictions using image-level labels. Existing methods typically entangle semantic recognition and object localization, which often leads models to focus exclusively on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Qingze He , Fagui Liu , Dengke Zhang , Qingmao Wei , Quan Tang

Recently, automated medical image segmentation methods based on deep learning have achieved great success. However, they heavily rely on large annotated datasets, which are costly and time-consuming to acquire. Few-shot learning aims to…

Artificial Intelligence · Computer Science 2024-08-20 Jiayu Huo , Ruiqiang Xiao , Haotian Zheng , Yang Liu , Sebastien Ourselin , Rachel Sparks

Pervasive backdoors are triggered by dynamic and pervasive input perturbations. They can be intentionally injected by attackers or naturally exist in normally trained models. They have a different nature from the traditional static and…

Cryptography and Security · Computer Science 2022-06-22 Guanhong Tao , Yingqi Liu , Siyuan Cheng , Shengwei An , Zhuo Zhang , Qiuling Xu , Guangyu Shen , Xiangyu Zhang

In recent years, the adoption of cloud services has been expanding at an unprecedented rate. As more and more organizations migrate or deploy their businesses to the cloud, a multitude of related cybersecurity incidents such as data…

Cryptography and Security · Computer Science 2025-06-23 Fei Zuo , Junghwan Rhee , Yung Ryn Choe , Chenglong Fu , Xianshan Qu

Semantic segmentation methods have achieved outstanding performance thanks to deep learning. Nevertheless, when such algorithms are deployed to new contexts not seen during training, it is necessary to collect and label scene-specific data…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Daniele Di Mauro , Antonino Furnari , Giuseppe Patanè , Sebastiano Battiato , Giovanni Maria Farinella

Few-shot semantic segmentation (FSS) endeavors to segment unseen classes with only a few labeled samples. Current FSS methods are commonly built on the assumption that their training and application scenarios share similar domains, and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Weizhao He , Yang Zhang , Wei Zhuo , Linlin Shen , Jiaqi Yang , Songhe Deng , Liang Sun

When searching for information, a human reader first glances over a document, spots relevant sections and then focuses on a few sentences for resolving her intention. However, the high variance of document structure complicates to identify…

Computation and Language · Computer Science 2019-02-14 Sebastian Arnold , Rudolf Schneider , Philippe Cudré-Mauroux , Felix A. Gers , Alexander Löser

Semantic segmentation aims to robustly predict coherent class labels for entire regions of an image. It is a scene understanding task that powers real-world applications (e.g., autonomous navigation). One important application, the use of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Yuxiang Zhang , Sachin Mehta , Anat Caspi

An adversarial attack is an exploitative process in which minute alterations are made to natural inputs, causing the inputs to be misclassified by neural models. In the field of speech recognition, this has become an issue of increasing…

Sound · Computer Science 2018-09-13 Krishan Rajaratnam , Kunal Shah , Jugal Kalita