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Adversarial images pose a severe security threat to multimodal large language models through prompt injection. Existing defenses largely lack a principled understanding of the underlying mechanisms and struggle to balance efficiency and…

机器学习 · 计算机科学 2026-05-26 Dongpeng Zhang , Ke Ma , Yangbangyan Jiang , Gaozheng Pei , Longtao Huang , Qianqian Xu , Qingming Huang

Contrastive learning shows great potential in unpaired image-to-image translation, but sometimes the translated results are in poor quality and the contents are not preserved consistently. In this paper, we uncover that the negative…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Weilun Wang , Wengang Zhou , Jianmin Bao , Dong Chen , Houqiang Li

Recent research finds CNN models for image classification demonstrate overlapped adversarial vulnerabilities: adversarial attacks can mislead CNN models with small perturbations, which can effectively transfer between different models…

In the quest for fairness in artificial intelligence, novel approaches to enhance it in facial image based gender classification algorithms using text guided methodologies are presented. The core methodology involves leveraging semantic…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Anoop Krishnan

Advancements in diffusion models have enabled effortless image editing via text prompts, raising concerns about image security. Attackers with access to user images can exploit these tools for malicious edits. Recent defenses attempt to…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Aniruddha Bala , Rohit Chowdhury , Rohan Jaiswal , Siddharth Roheda

Typical methods for text-to-image synthesis seek to design effective generative architecture to model the text-to-image mapping directly. It is fairly arduous due to the cross-modality translation. In this paper we circumvent this problem…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jiadong Liang , Wenjie Pei , Feng Lu

There has been a drastic growth of research in Generative Adversarial Nets (GANs) in the past few years. Proposed in 2014, GAN has been applied to various applications such as computer vision and natural language processing, and achieves…

计算机视觉与模式识别 · 计算机科学 2018-11-20 He Huang , Philip S. Yu , Changhu Wang

We have recently seen great progress in image classification due to the success of deep convolutional neural networks and the availability of large-scale datasets. Most of the existing work focuses on single-label image classification.…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Erik Quintanilla , Yogesh Rawat , Andrey Sakryukin , Mubarak Shah , Mohan Kankanhalli

We propose a new method for solving imaging inverse problems using text-to-image latent diffusion models as general priors. Existing methods using latent diffusion models for inverse problems typically rely on simple null text prompts,…

机器学习 · 计算机科学 2023-10-03 Hyungjin Chung , Jong Chul Ye , Peyman Milanfar , Mauricio Delbracio

Existing multi-modal image fusion methods fail to address the compound degradations presented in source images, resulting in fusion images plagued by noise, color bias, improper exposure, \textit{etc}. Additionally, these methods often…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Hao Zhang , Lei Cao , Jiayi Ma

Text-to-image (T2I) generation has been actively studied using Diffusion Models and Autoregressive Models. Recently, Masked Generative Transformers have gained attention as an alternative to Autoregressive Models to overcome the inherent…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Wonjun Kang , Byeongkeun Ahn , Minjae Lee , Kevin Galim , Seunghyuk Oh , Hyung Il Koo , Nam Ik Cho

We propose a novel approach for dynamic negative prompting in diffusion models that leverages Vision-Language Models (VLMs) to adaptively generate negative prompts during the denoising process. Unlike traditional Negative Prompting methods…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Hoyeon Chang , Seungjin Kim , Yoonseok Choi

Multi-modal recommender systems (MMRS) have gained significant attention due to their ability to leverage information from various modalities to enhance recommendation quality. However, existing negative sampling techniques often struggle…

信息检索 · 计算机科学 2025-08-22 Yanbiao Ji , Dan Luo , Chang Liu , Shaokai Wu , Jing Tong , Qicheng He , Deyi Ji , Hongtao Lu , Yue Ding

Text-to-image diffusion models enable high-quality image generation but are computationally expensive. While prior work optimizes per-inference efficiency, we explore an orthogonal approach: reducing redundancy across correlated prompts.…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Dale Decatur , Thibault Groueix , Wang Yifan , Rana Hanocka , Vladimir Kim , Matheus Gadelha

Image matting is an important computer vision problem. Many existing matting methods require a hand-made trimap to provide auxiliary information, which is very expensive and limits the real world usage. Recently, some trimap-free methods…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Hang Cheng , Shugong Xu , Xiufeng Jiang , Rongrong Wang

In this paper, we propose a novel way to interpret text information by extracting visual feature presentation from multiple high-resolution and photo-realistic synthetic images generated by Text-to-image Generative Adversarial Network (GAN)…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Tao Hu , Chengjiang Long , Leheng Zhang , Chunxia Xiao

Text-to-image models can generate harmful images when presented with unsafe prompts, posing significant safety and societal risks. Alignment methods aim to modify these models to ensure they generate only non-harmful images, even when…

密码学与安全 · 计算机科学 2025-03-03 Yuepeng Hu , Zhengyuan Jiang , Neil Zhenqiang Gong

Non-autoregressive generative transformers recently demonstrated impressive image generation performance, and orders of magnitude faster sampling than their autoregressive counterparts. However, optimal parallel sampling from the true joint…

计算机视觉与模式识别 · 计算机科学 2022-09-12 José Lezama , Huiwen Chang , Lu Jiang , Irfan Essa

Text-to-image (T2I) diffusion models have the ability to build high-quality pictures from text prompts, but they pose safety concerns because they can generate offensive or disturbing imagery when provided with harmful inputs. Existing…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Chi Zhang , Changjia Zhu , Xiaowen Li , Yao Liu , Zhuo Lu

We investigate a general approach for improving user prompts in text-to-image (T2I) diffusion models by finding prompts that maximize a reward function specified at test-time. Although diverse reward models are used for evaluating image…

机器学习 · 计算机科学 2025-09-30 Semin Kim , Yeonwoo Cha , Jaehoon Yoo , Seunghoon Hong