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The growing demand for text-to-image generation has led to rapid advances in generative modeling. Recently, text-to-image diffusion models trained with flow matching algorithms, such as FLUX, have achieved remarkable progress and emerged as…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Zikai Zhou , Muyao Wang , Shitong Shao , Lichen Bai , Haoyi Xiong , Bo Han , Zeke Xie

Recent advances in text-to-image diffusion models have enabled the generation of diverse and high-quality images. While impressive, the images often fall short of depicting subtle details and are susceptible to errors due to ambiguity in…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Idan Schwartz , Vésteinn Snæbjarnarson , Hila Chefer , Ryan Cotterell , Serge Belongie , Lior Wolf , Sagie Benaim

Diffusion models and flow matching have demonstrated remarkable success in text-to-image generation. While many existing alignment methods primarily focus on fine-tuning pre-trained generative models to maximize a given reward function,…

机器学习 · 统计学 2026-02-03 Yidong Ouyang , Liyan Xie , Hongyuan Zha , Guang Cheng

Diffusion models deliver high quality in image synthesis but remain expensive during training and inference. Recent works have leveraged the inherent redundancy in visual content to make training more affordable by training only on a subset…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Felix Krause , Stefan Andreas Baumann , Johannes Schusterbauer , Olga Grebenkova , Ming Gui , Vincent Tao Hu , Björn Ommer

Diffusion models have shown tremendous results in image generation. However, due to the iterative nature of the diffusion process and its reliance on classifier-free guidance, inference times are slow. In this paper, we propose a new…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Yi-Ting Hsiao , Siavash Khodadadeh , Kevin Duarte , Wei-An Lin , Hui Qu , Mingi Kwon , Ratheesh Kalarot

Text-driven diffusion models have exhibited impressive generative capabilities, enabling various image editing tasks. In this paper, we propose TF-ICON, a novel Training-Free Image COmpositioN framework that harnesses the power of…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Shilin Lu , Yanzhu Liu , Adams Wai-Kin Kong

Classifier-free guidance (CFG) is a widely used technique for controllable generation in diffusion and flow-based models. Despite its empirical success, CFG relies on a heuristic linear extrapolation that is often sensitive to the guidance…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Jian-Feng Cai , Haixia Liu , Zhengyi Su , Chao Wang

High-resolution image synthesis with diffusion models often suffers from energy instabilities and guidance artifacts that degrade visual quality. We analyze the latent energy landscape during sampling and propose adaptive classifier-free…

图形学 · 计算机科学 2025-12-12 Ankit Sanjyal

Despite the ability of existing large-scale text-to-image (T2I) models to generate high-quality images from detailed textual descriptions, they often lack the ability to precisely edit the generated or real images. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Chong Mou , Xintao Wang , Jiechong Song , Ying Shan , Jian Zhang

Diffusion models have recently been shown to generate high-quality synthetic images, especially when paired with a guidance technique to trade off diversity for fidelity. We explore diffusion models for the problem of text-conditional image…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Alex Nichol , Prafulla Dhariwal , Aditya Ramesh , Pranav Shyam , Pamela Mishkin , Bob McGrew , Ilya Sutskever , Mark Chen

Classifier-Free Guidance (CFG) is widely used to improve conditional fidelity in diffusion models, but its impact on sampling dynamics remains poorly understood. Prior studies, often restricted to unimodal conditional distributions or…

机器学习 · 计算机科学 2026-02-19 Cheng Jin , Qitan Shi , Yuantao Gu

Classifier free guidance is a standard method for conditional sampling in diffusion models, but its sampling rule is not aligned with the objective used in training. This mismatch induces a structural sampling error through the interaction…

机器学习 · 计算机科学 2026-05-27 Nakgyu Yang , Yechan Lee , SooJean Han

Recent studies show that simple training-free techniques can dramatically improve the quality of text-to-2D generation outputs, e.g. Classifier-Free Guidance (CFG) or FreeU. However, these training-free techniques have been underexplored in…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Junhong Lee , Seungwook Kim , Minsu Cho

Diffusion models have become a new generative paradigm for text generation. Considering the discrete categorical nature of text, in this paper, we propose GlyphDiffusion, a novel diffusion approach for text generation via text-guided image…

计算与语言 · 计算机科学 2023-05-09 Junyi Li , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Controllable image synthesis models allow creation of diverse images based on text instructions or guidance from a reference image. Recently, denoising diffusion probabilistic models have been shown to generate more realistic imagery than…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Xihui Liu , Dong Huk Park , Samaneh Azadi , Gong Zhang , Arman Chopikyan , Yuxiao Hu , Humphrey Shi , Anna Rohrbach , Trevor Darrell

Diffusion-based image editing is a composite process of preserving the source image content and generating new content or applying modifications. While current editing approaches have made improvements under text guidance, most of them have…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Tianrui Huang , Pu Cao , Lu Yang , Chun Liu , Mengjie Hu , Zhiwei Liu , Qing Song

In zero-shot text-to-speech, achieving a balance between fidelity to the target speaker and adherence to text content remains a challenge. While classifier-free guidance (CFG) strategies have shown promising results in image generation,…

音频与语音处理 · 电气工程与系统科学 2026-03-25 John Zheng , Farhad Maleki

Dataset distillation provides an effective approach to reduce memory and computational costs by optimizing a compact dataset that achieves performance comparable to the full original. However, for large-scale datasets and complex deep…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Xinhao Zhong , Shuoyang Sun , Xulin Gu , Zhaoyang Xu , Yaowei Wang , Min Zhang , Bin Chen

Classifier-free guidance (CFG) is the de facto standard for conditional sampling in diffusion models, yet it often reduces sample diversity. Using tools from statistical physics, we analyze the emergence of generative distortions induced by…

机器学习 · 统计学 2026-05-11 Enrico Ventura , Beatrice Achilli , Luca Ambrogioni , Carlo Lucibello

Neural networks struggle with image classification when biases are learned and misleads correlations, affecting their generalization and performance. Previous methods require attribute labels (e.g. background, color) or utilizes Generative…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Donggeun Ko , Dongjun Lee , Namjun Park , Wonkyeong Shim , Jaekwang Kim