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Graph generation is a critical yet challenging task, as empirical analyses require a deep understanding of complex, non-Euclidean structures. Diffusion models have recently made significant advances in graph generation, but these models are…

机器学习 · 计算机科学 2026-03-13 Yiming Huang , Tolga Birdal

In diffusion and flow-matching generative models, guidance techniques are widely used to improve sample quality and consistency. Classifier-free guidance (CFG) is the de facto choice in modern systems and achieves this by contrasting…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Ankit Yadav , Ta Duc Huy , Lingqiao Liu

Conditional image generative models hold considerable promise to produce infinite amounts of synthetic training data. Yet, recent progress in generation quality has come at the expense of generation diversity, limiting the utility of these…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Nicola Dall'Asen , Xiaofeng Zhang , Reyhane Askari Hemmat , Melissa Hall , Jakob Verbeek , Adriana Romero-Soriano , Michal Drozdzal

This paper presents Model-guidance (MG), a novel objective for training diffusion model that addresses and removes of the commonly used Classifier-free guidance (CFG). Our innovative approach transcends the standard modeling of solely data…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Zhicong Tang , Jianmin Bao , Dong Chen , Baining Guo

Self-correction is an effective technique for maintaining parallel sampling in discrete diffusion models with minimal performance degradation. Prior work has explored self-correction at inference time or during post-training; however, such…

机器学习 · 计算机科学 2026-03-04 Linxuan Wang , Ziyi Wang , Yikun Bai , Wei Deng , Guang Lin , Qifan Song

Generative models have recently undergone significant advancement due to the diffusion models. The success of these models can be often attributed to their use of guidance techniques, such as classifier or classifier-free guidance, which…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Gyeongnyeon Kim , Wooseok Jang , Gyuseong Lee , Susung Hong , Junyoung Seo , Seungryong Kim

Large-scale generative models, such as text-to-image diffusion models, have garnered widespread attention across diverse domains due to their creative and high-fidelity image generation. Nonetheless, existing large-scale diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Younghyun Kim , Geunmin Hwang , Junyu Zhang , Eunbyung Park

Guided diffusion-model generation is a promising direction for customizing the generation process of a pre-trained diffusion model to address specific downstream tasks. Existing guided diffusion models either rely on training the guidance…

机器学习 · 计算机科学 2025-04-01 Kim Yong Tan , Yueming Lyu , Ivor Tsang , Yew-Soon Ong

Diffusion models have emerged as a powerful framework for generative modeling, with guidance techniques playing a crucial role in enhancing sample quality. Despite their empirical success, a comprehensive theoretical understanding of the…

机器学习 · 统计学 2025-05-05 Gen Li , Yuchen Jiao

Diffusion models have achieved remarkable success in video generation; however, the high computational cost of the denoising process remains a major bottleneck. Existing approaches have shown promise in reducing the number of diffusion…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xiao Liang , Yunzhu Zhang , Linchao Zhu

Exploiting pre-trained diffusion models for restoration has recently become a favored alternative to the traditional task-specific training approach. Previous works have achieved noteworthy success by limiting the solution space using…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Peiqing Yang , Shangchen Zhou , Qingyi Tao , Chen Change Loy

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…

机器学习 · 计算机科学 2026-05-19 Van Khoa Nguyen , Lionel Blondé , Alexandros Kalousis

Dataset distillation has emerged as an effective strategy, significantly reducing training costs and facilitating more efficient model deployment. Recent advances have leveraged generative models to distill datasets by capturing the…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jeffrey A. Chan-Santiago , Praveen Tirupattur , Gaurav Kumar Nayak , Gaowen Liu , Mubarak Shah

Diffusion- and flow-based models have emerged as state-of-the-art generative modeling approaches, but they require many sampling steps. Consistency models can distill these models into efficient one-step generators; however, unlike flow-…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Amirmojtaba Sabour , Sanja Fidler , Karsten Kreis

We introduce Spectral Guidance, a framework for controlling diffusion models by leveraging the intrinsic geometry of the generative process. As data is progressively corrupted by noise, only a small number of features remain informative for…

机器学习 · 计算机科学 2026-05-29 Gabriel Moreira , Manuel Marques , João Paulo Costeira , Chenyan Xiong

Guidance techniques are commonly used in diffusion and flow models to improve image quality and input consistency for conditional generative tasks such as class-conditional and text-to-image generation. In particular, classifier-free…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Tariq Berrada Ifriqi , Adriana Romero-Soriano , Michal Drozdzal , Jakob Verbeek , Karteek Alahari

Score-based generative models require guidance in order to generate plausible, on-manifold samples. The most popular guidance method, Classifier-Free Guidance (CFG), is only applicable in settings with labeled data and requires training an…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Eric Yeats , Darryl Hannan , Wilson Fearn , Timothy Doster , Henry Kvinge , Scott Mahan

The proposed method, Discriminator Guidance, aims to improve sample generation of pre-trained diffusion models. The approach introduces a discriminator that gives explicit supervision to a denoising sample path whether it is realistic or…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Dongjun Kim , Yeongmin Kim , Se Jung Kwon , Wanmo Kang , Il-Chul Moon

Adding additional control to pretrained diffusion models has become an increasingly popular research area, with extensive applications in computer vision, reinforcement learning, and AI for science. Recently, several studies have proposed…

机器学习 · 计算机科学 2024-05-30 Yifei Shen , Xinyang Jiang , Yezhen Wang , Yifan Yang , Dongqi Han , Dongsheng Li

Visual autoregressive (VAR) models generate images through next-scale prediction, naturally achieving coarse-to-fine, fast, high-fidelity synthesis mirroring human perception. In practice, this hierarchy can drift at inference time, as…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Youngwoo Shin , Jiwan Hur , Junmo Kim