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We describe a new approach that improves the training of generative adversarial nets (GANs) for synthesizing diverse images from a text input. Our approach is based on the conditional version of GANs and expands on previous work leveraging…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Miriam Cha , Youngjune L. Gwon , H. T. Kung

Recent advances in diffusion models have significantly enhanced the quality of image synthesis, yet they have also introduced serious safety concerns, particularly the generation of Not Safe for Work (NSFW) content. Previous research has…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Yaopei Zeng , Yuanpu Cao , Bochuan Cao , Yurui Chang , Jinghui Chen , Lu Lin

Recent diffusion-based unrestricted attacks generate imperceptible adversarial examples with high transferability compared to previous unrestricted attacks and restricted attacks. However, existing works on diffusion-based unrestricted…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Ziyi Gao , Kai Chen , Zhipeng Wei , Tingshu Mou , Jingjing Chen , Zhiyu Tan , Hao Li , Yu-Gang Jiang

Recent text-to-image diffusion models have demonstrated remarkable generation of realistic facial images conditioned on textual prompts and human identities, enabling creating personalized facial imagery. However, existing prompt-based…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Han-Wei Kung , Tuomas Varanka , Nicu Sebe

Diffusion models have made significant advances in generating high-quality images, but their application to video generation has remained challenging due to the complexity of temporal motion. Zero-shot video editing offers a solution by…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Xirui Li , Chao Ma , Xiaokang Yang , Ming-Hsuan Yang

Diffusion models have emerged as a promising approach for generating high-quality, high-dimensional images. Nevertheless, these models are hindered by their high computational cost and slow inference, partly due to the quadratic…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Omid Saghatchian , Atiyeh Gh. Moghadam , Ahmad Nickabadi

We propose a novel approach to mitigate biases in computer vision models by utilizing counterfactual generation and fine-tuning. While counterfactuals have been used to analyze and address biases in DNN models, the counterfactuals…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Pushkar Shukla , Dhruv Srikanth , Lee Cohen , Matthew Turk

Diffusion transformers have shown exceptional performance in visual generation but incur high computational costs. Token reduction techniques that compress models by sharing the denoising process among similar tokens have been introduced.…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Haipeng Fang , Sheng Tang , Juan Cao , Enshuo Zhang , Fan Tang , Tong-Yee Lee

The goal of our paper is to semantically edit parts of an image matching a given text that describes desired attributes (e.g., texture, colour, and background), while preserving other contents that are irrelevant to the text. To achieve…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Bowen Li , Xiaojuan Qi , Thomas Lukasiewicz , Philip H. S. Torr

Adversarial images are samples that are intentionally modified to deceive machine learning systems. They are widely used in applications such as CAPTHAs to help distinguish legitimate human users from bots. However, the noise introduced…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Bilgin Aksoy , Alptekin Temizel

Diffusion models (DMs) have demonstrated an unparalleled ability to create diverse and high-fidelity images from text prompts. However, they are also well-known to vary substantially regarding both prompt adherence and quality. Negative…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Alakh Desai , Nuno Vasconcelos

Token merging can effectively accelerate various vision systems by processing groups of similar tokens only once and sharing the results across them. However, existing token grouping methods are often ad hoc and random, disregarding the…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Haoyu Wu , Jingyi Xu , Hieu Le , Dimitris Samaras

Machine learning models are prone to adversarial attacks, where inputs can be manipulated in order to cause misclassifications. While previous research has focused on techniques like Generative Adversarial Networks (GANs), there's limited…

密码学与安全 · 计算机科学 2024-11-08 Langalibalele Lunga , Suhas Sreehari

Deep neural networks are vulnerable to adversarial examples, which are crafted by adding small, human-imperceptible perturbations to the original images, but make the model output inaccurate predictions. Before deep neural networks are…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Bo Yang , Kaiyong Xu , Hengjun Wang , Hengwei Zhang

Personalized image generation aims to integrate user-provided concepts into text-to-image models, enabling the generation of customized content based on a given prompt. Recent zero-shot approaches, particularly those leveraging diffusion…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Yiheng Lin , Shifang Zhao , Ting Liu , Xiaochao Qu , Luoqi Liu , Yao Zhao , Yunchao Wei

Text-guided image generation models can be prompted to generate images using nonce words adversarially designed to robustly evoke specific visual concepts. Two approaches for such generation are introduced: macaronic prompting, which…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Raphaël Millière

Modern image-to-text systems typically adopt the encoder-decoder framework, which comprises two main components: an image encoder, responsible for extracting image features, and a transformer-based decoder, used for generating captions.…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Raz Lapid , Moshe Sipper

Negative Prompting (NP) is widely utilized in diffusion models, particularly in text-to-image applications, to prevent the generation of undesired features. In this paper, we show that conventional NP is limited by the assumption of a…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Felix Koulischer , Johannes Deleu , Gabriel Raya , Thomas Demeester , Luca Ambrogioni

With the advent of generative adversarial networks, synthesizing images from textual descriptions has recently become an active research area. It is a flexible and intuitive way for conditional image generation with significant progress in…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Stanislav Frolov , Tobias Hinz , Federico Raue , Jörn Hees , Andreas Dengel

Recent advancements in Text-to-Image (T2I) diffusion models have demonstrated impressive success in generating high-quality images with zero-shot generalization capabilities. Yet, current models struggle to closely adhere to prompt…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Hyun Kang , Dohae Lee , Myungjin Shin , In-Kwon Lee