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Backdoor attacks have severely threatened deep neural network (DNN) models in the past several years. These attacks can occur in almost every stage of the deep learning pipeline. Although the attacked model behaves normally on benign…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yangming Chen

Diffusion-based Image Editing (DIE) is an emerging research hot-spot, which often applies a semantic mask to control the target area for diffusion-based editing. However, most existing solutions obtain these masks via manual operations or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Siyu Zou , Jiji Tang , Yiyi Zhou , Jing He , Chaoyi Zhao , Rongsheng Zhang , Zhipeng Hu , Xiaoshuai Sun

Deep learning models are vulnerable to adversarial examples. As a more threatening type for practical deep learning systems, physical adversarial examples have received extensive research attention in recent years. However, without…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Jiakai Wang , Aishan Liu , Zixin Yin , Shunchang Liu , Shiyu Tang , Xianglong Liu

Diffusion-based models have achieved state-of-the-art performance on text-to-image synthesis tasks. However, one critical limitation of these models is the low fidelity of generated images with respect to the text description, such as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Qiucheng Wu , Yujian Liu , Handong Zhao , Trung Bui , Zhe Lin , Yang Zhang , Shiyu Chang

Numerous studies on text-to-image (T2I) generative models have utilized cross-attention maps to boost application performance and interpret model behavior. However, the distinct characteristics of attention maps from different attention…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Jungwon Park , Jungmin Ko , Dongnam Byun , Wonjong Rhee

Text-to-Image (T2I) models generate high-quality images but are vulnerable to malicious backdoor attacks that inject harmful biases (e.g., trigger-activated gender or racial stereotypes). Existing debiasing methods, often designed for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hongyi Cai , Mohammad Mahdinur Rahman , Mingkang Dong , Muxin Pu , Moqyad Alqaily , Jie Li , Xinfeng Li , Jialie Shen , Meikang Qiu , Qingsong Wen

Generative models have demonstrated significant success in anomaly detection and segmentation over the past decade. Recently, diffusion models have emerged as a powerful alternative, outperforming previous approaches such as GANs and VAEs.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Mehrdad Moradi , Marco Grasso , Bianca Maria Colosimo , Kamran Paynabar

Backdoor attacks on deep learning represent a recent threat that has gained significant attention in the research community. Backdoor defenses are mainly based on backdoor inversion, which has been shown to be generic, model-agnostic, and…

Machine Learning · Computer Science 2024-11-11 Xiaoyun Xu , Zhuoran Liu , Stefanos Koffas , Shujian Yu , Stjepan Picek

Recently, Text-to-Image (T2I) synthesis technology has made tremendous strides. Numerous representative T2I models have emerged and achieved promising application outcomes, such as DALL-E, Stable Diffusion, Imagen, etc. In practice, it has…

Cryptography and Security · Computer Science 2025-09-24 Wenbo Jiang , Jiaming He , Hongwei Li , Rui Zhang , Hanxiao Chen , Meng Hao , Haomiao Yang , Qingchuan Zhao , Guowen Xu

Backdoor attacks pose a significant threat to the security and reliability of deep learning models. To mitigate such attacks, one promising approach is to learn to extract features from the target model and use these features for backdoor…

Machine Learning · Computer Science 2025-12-24 Zhonghao Yang , Cheng Luo , Daojing He , Yiming Li , Yu Li

Large-scale text-to-image generative models have been a ground-breaking development in generative AI, with diffusion models showing their astounding ability to synthesize convincing images following an input text prompt. The goal of image…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Kai Wang , Fei Yang , Shiqi Yang , Muhammad Atif Butt , Joost van de Weijer

Code models are increasingly adopted in software development but remain vulnerable to backdoor attacks via poisoned training data. Existing backdoor attacks on code models face a fundamental trade-off between transferability and…

Cryptography and Security · Computer Science 2026-02-13 Shuyu Chang , Haiping Huang , Yanjun Zhang , Yujin Huang , Fu Xiao , Leo Yu Zhang

Multimodal Diffusion Transformers (MM-DiTs) have achieved remarkable progress in text-driven visual generation. However, even state-of-the-art MM-DiT models like FLUX struggle with achieving precise alignment between text prompts and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Zhengyao Lv , Tianlin Pan , Chenyang Si , Zhaoxi Chen , Wangmeng Zuo , Ziwei Liu , Kwan-Yee K. Wong

Object detection networks have reached an impressive performance level, yet a lack of suitable data in specific applications often limits it in practice. Typically, additional data sources are utilized to support the training task. In…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Maximilian Menke , Thomas Wenzel , Andreas Schwung

Text-to-image (T2I) diffusion models are widely adopted for their strong generative capabilities, yet remain vulnerable to backdoor attacks. Existing attacks typically rely on fixed textual triggers and single-entity backdoor targets,…

Cryptography and Security · Computer Science 2026-05-28 Tianxin Chen , Wenbo Jiang , Hongqiao Chen , Zhirun Zheng , Cheng Huang

Accurate intraoperative and postoperative diagnosis of spread through air spaces (STAS) is essential for guiding surgical decisions and postoperative management in lung cancer. However, histopathological assessment is labor-intensive and is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Liangrui Pan , Jiadi Luo , Yuxuan Xiao , Chenchen Nie , Xiaoshuai Wu , Songqing Fan , Ling Chu , Manqiu Li , Rongfang He , Zhenyu Zhao , Ruixing Wang , Shulin Liu , Yiyi Liang , Xiang Wang , Qingchun Liang , Shaoliang Peng

Due to the high potential for abuse of GenAI systems, the task of detecting synthetic images has recently become of great interest to the research community. Unfortunately, existing image-space detectors quickly become obsolete as new…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 George Cazenavette , Avneesh Sud , Thomas Leung , Ben Usman

This study addresses the problem of dynamic anomaly detection in accounting transactions and proposes a real-time detection method based on a Transformer to tackle the challenges of hidden abnormal behaviors and high timeliness requirements…

Machine Learning · Computer Science 2025-11-18 Yi Wang , Ruoyi Fang , Anzhuo Xie , Hanrui Feng , Jianlin Lai

Text-guided image generation and editing using diffusion models have achieved remarkable advancements. Among these, tuning-free methods have gained attention for their ability to perform edits without extensive model adjustments, offering…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Wenyi Mo , Tianyu Zhang , Yalong Bai , Bing Su , Ji-Rong Wen

The self-attention mechanism has emerged as a critical component for improving the performance of various backbone neural networks. However, current mainstream approaches individually incorporate newly designed self-attention modules (SAMs)…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Zhongzhan Huang , Senwei Liang , Mingfu Liang , Liang Lin