English
Related papers

Related papers: Token Perturbation Guidance for Diffusion Models

200 papers

Text-to-image diffusion models are capable of generating high-quality images, but suboptimal pre-trained text representations often result in these images failing to align closely with the given text prompts. Classifier-free guidance (CFG)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Zhenyu Zhou , Defang Chen , Can Wang , Chun Chen , Siwei Lyu

Guidance in image generation steers models towards higher-quality or more targeted outputs, typically achieved in Diffusion Models (DMs) via Classifier-free Guidance (CFG). However, recent Consistency Models (CMs), which offer fewer…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Chia-Hong Hsu , Shiu-hong Kao , Randall Balestriero

Deep generative models, such as generative adversarial networks and diffusion models, have recently emerged as powerful tools for planning tasks and behavior synthesis in autonomous systems. Various guidance strategies have been introduced…

Machine Learning · Computer Science 2025-01-23 Francesco Giacomarra , Mehran Hosseini , Nicola Paoletti , Francesca Cairoli

Classifier-Free Guidance (CFG) is a critical technique for enhancing the sample quality of visual generative models. However, in autoregressive (AR) multi-modal generation, CFG introduces design inconsistencies between language and visual…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Huayu Chen , Hang Su , Peize Sun , Jun Zhu

Flow-based generative models have become a strong framework for high-quality generative modeling, yet pretrained models are rarely used in their vanilla conditional form: conditional samples without guidance often appear diffuse and lack…

Machine Learning · Computer Science 2026-02-25 Runlong Liao , Jian Yu , Baiyu Su , Chi Zhang , Lizhang Chen , Qiang Liu

Can a text-to-image diffusion model be used as a training objective for adapting a GAN generator to another domain? In this paper, we show that the classifier-free guidance can be leveraged as a critic and enable generators to distill…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Kunpeng Song , Ligong Han , Bingchen Liu , Dimitris Metaxas , Ahmed Elgammal

Diffusion models have emerged as a pivotal advancement in generative models, setting new standards to the quality of the generated instances. In the current paper we aim to underscore a discrepancy between conventional training methods and…

Machine Learning · Computer Science 2023-11-03 Niket Patel , Luis Salamanca , Luis Barba

Diffusion models have become emerging generative models. Their sampling process involves multiple steps, and in each step the models predict the noise from a noisy sample. When the models make prediction, the output deviates from the ground…

Machine Learning · Computer Science 2025-10-28 Shifeng Xu , Yanzhu Liu , Adams Wai-Kin Kong

Despite the recent advancements, conditional image generation still faces challenges of cost, generalizability, and the need for task-specific training. In this paper, we propose Manifold Preserving Guided Diffusion (MPGD), a training-free…

Diffusion models, a specific type of generative model, have achieved unprecedented performance in recent years and consistently produce high-quality synthetic samples. A critical prerequisite for their notable success lies in the presence…

Machine Learning · Computer Science 2024-11-01 Yidong Ouyang , Liyan Xie , Hongyuan Zha , Guang Cheng

Diffusion-based Handwritten Text Generation (HTG) approaches achieve impressive results on frequent, in-vocabulary words observed at training time and on regular styles. However, they are prone to memorizing training samples and often…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Konstantina Nikolaidou , George Retsinas , Giorgos Sfikas , Silvia Cascianelli , Rita Cucchiara , Marcus Liwicki

Diffusion models have emerged as powerful generative models for graph generation, yet their use for conditional graph generation remains a fundamental challenge. In particular, guiding diffusion models on graphs under arbitrary reward…

Machine Learning · Computer Science 2025-05-27 Victor M. Tenorio , Nicolas Zilberstein , Santiago Segarra , Antonio G. Marques

The primary axes of interest in image-generating diffusion models are image quality, the amount of variation in the results, and how well the results align with a given condition, e.g., a class label or a text prompt. The popular…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Tero Karras , Miika Aittala , Tuomas Kynkäänniemi , Jaakko Lehtinen , Timo Aila , Samuli Laine

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Jian-Feng Cai , Haixia Liu , Zhengyi Su , Chao Wang

Training-free diffusion guidance offers a flexible framework for leveraging off-the-shelf classifiers without additional training. Yet, current approaches hinge on posterior approximations via Tweedie's formula, which often yield unreliable…

Machine Learning · Computer Science 2026-05-19 Van Khoa Nguyen , Lionel Blondé , Alexandros Kalousis

Popular guidance for denoising diffusion probabilistic model (DDPM) linearly combines distinct conditional models together to provide enhanced control over samples. However, this approach overlooks nonlinear effects that become significant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Candi Zheng , Yuan Lan

Classifier-Free Guidance (CFG) improves sample quality in diffusion models, but its dual-pass inference and reliance on null-condition training limit its use in few-step regimes. Attention-space guidance has emerged as a complementary…

Machine Learning · Computer Science 2026-05-19 Kwanyoung Kim

Diffusion models have achieved state-of-the-art image generation. However, the random Gaussian noise used to start the diffusion process influences the final output, causing variations in image quality and prompt adherence. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Harvey Mannering , Zhiwu Huang , Adam Prugel-Bennett

In the recent development of conditional diffusion models still require heavy supervised fine-tuning for performing control on a category of tasks. Training-free conditioning via guidance with off-the-shelf models is a favorable alternative…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Christian Simon , Masato Ishii , Akio Hayakawa , Zhi Zhong , Shusuke Takahashi , Takashi Shibuya , Yuki Mitsufuji

As Classifier-Free Guidance (CFG) has proven effective in conditional diffusion model sampling for improved condition alignment, many applications use a negated CFG term to filter out unwanted features from samples. However, simply negating…

Machine Learning · Computer Science 2024-11-27 Jinho Chang , Hyungjin Chung , Jong Chul Ye
‹ Prev 1 3 4 5 6 7 10 Next ›