English
Related papers

Related papers: Stay on topic with Classifier-Free Guidance

200 papers

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…

Machine Learning · Computer Science 2026-02-19 Cheng Jin , Qitan Shi , Yuantao Gu

Diffusion models have achieved remarkable success in text-to-image synthesis, largely attributed to the use of classifier-free guidance (CFG), which enables high-quality, condition-aligned image generation. CFG combines the conditional…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Mingi Kwon , Shin seong Kim , Jaeseok Jeong. Yi Ting Hsiao , Youngjung Uh

Classifier-free guidance (CFG) has become an essential component of modern diffusion models to enhance both generation quality and alignment with input conditions. However, CFG requires specific training procedures and is limited to…

Graphics · Computer Science 2025-11-06 Javad Rajabi , Soroush Mehraban , Seyedmorteza Sadat , Babak Taati

Context-free grammars (CFGs) are the de-facto formalism for declaratively describing concrete syntax for programming languages and generating parsers. One of the major challenges in defining a desired syntax is ruling out all possible…

Programming Languages · Computer Science 2026-02-23 Yunjeong Lee , Gokul Rajiv , Ilya Sergey

Diffusion models have achieved remarkable progress in class-to-image generation. However, we observe that despite impressive FID scores, state-of-the-art models often generate distorted or low-quality images, especially in certain classes.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Jie Shao , Ke Zhu , Minghao Fu , Guo-hua Wang , Jianxin Wu

Classifier-free guidance (CFG) is widely used in diffusion models but often introduces over-contrast and over-saturation artifacts at higher guidance strengths. We present EP-CFG (Energy-Preserving Classifier-Free Guidance), which addresses…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Kai Zhang , Fujun Luan , Sai Bi , Jianming Zhang

Autoregressive (AR) models have emerged as powerful tools for image generation by modeling images as sequences of discrete tokens. While Classifier-Free Guidance (CFG) has been adopted to improve conditional generation, its application in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Dongli Xu , Aleksei Tiulpin , Matthew B. Blaschko

Classifier-free guidance (CFG) is a key technique for improving conditional generation in diffusion models, enabling more accurate control while enhancing sample quality. It is natural to extend this technique to video diffusion, which…

Machine Learning · Computer Science 2025-07-25 Kiwhan Song , Boyuan Chen , Max Simchowitz , Yilun Du , Russ Tedrake , Vincent Sitzmann

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

Current sampling mechanisms for conditional diffusion models rely mainly on Classifier Free Guidance (CFG) to generate high-quality images. However, CFG requires several denoising passes in each time step, e.g., up to three passes in image…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Mehdi Noroozi , Alberto Gil Ramos , Luca Morreale , Ruchika Chavhan , Malcolm Chadwick , Abhinav Mehrotra , Sourav Bhattacharya

Classifier-free guidance (CFG) has emerged as a pivotal advancement in text-to-image latent diffusion models, establishing itself as a cornerstone technique for achieving high-quality image synthesis. However, under high guidance weights,…

Machine Learning · Computer Science 2025-06-26 Cheng Jin , Zhenyu Xiao , Chutao Liu , Yuantao Gu

Diffusion models have achieved remarkable progress in image and audio generation, largely due to Classifier-Free Guidance. However, the choice of guidance scale remains underexplored: a fixed scale often fails to generalize across prompts…

Sound · Computer Science 2025-10-07 Xuanhao Zhang , Chang Li

Temporal sequential tasks challenge humanoid robots, as existing Diffusion Policy (DP) and Action Chunking with Transformers (ACT) methods often lack temporal context, resulting in local optima traps and excessive repetitive actions. To…

Robotics · Computer Science 2025-10-14 Yuang Lu , Song Wang , Xiao Han , Xuri Zhang , Yucong Wu , Zhicheng He

Transformer-based language models are effective but complex, and understanding their inner workings and reasoning mechanisms is a significant challenge. Previous research has primarily explored how these models handle simple tasks like name…

Computation and Language · Computer Science 2025-05-20 Zeyuan Allen-Zhu , Yuanzhi Li

Classifier-Free Guidance (CFG) is a cornerstone of modern conditional diffusion models, yet its reliance on the fixed or heuristic dynamic guidance weight is predominantly empirical and overlooks the inherent dynamics of the diffusion…

Machine Learning · Computer Science 2026-05-21 Jiayang Gao , Tianyi Zheng , Jiayang Zou , Fengxiang Yang , Shice Liu , Luyao Fan , Zheyu Zhang , Hao Zhang , Jinwei Chen , Peng-Tao Jiang , Bo Li , Jia Wang

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…

Machine Learning · Computer Science 2026-05-27 Nakgyu Yang , Yechan Lee , SooJean Han

Diffusion and flow-based generative models dominate visual synthesis, with guidance aligning samples to user input and improving perceptual quality. However, Classifier-Free Guidance (CFG) and extrapolation-based methods are heuristic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Parsa Esmati , Junha Hyung , Amirhossein Dadashzadeh , Jaegul Choo , Majid Mirmehdi

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

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Tariq Berrada Ifriqi , Adriana Romero-Soriano , Michal Drozdzal , Jakob Verbeek , Karteek Alahari

Classifier-Free Guidance (CFG) is a widely used mechanism for controlling diffusion-based generative models, yet its guidance scale is typically treated as a fixed hyperparameter throughout generation. This static design yields a suboptimal…

Computation and Language · Computer Science 2026-05-11 Fan Zhou , Tim Van de Cruys