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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,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-25 John Zheng , Farhad Maleki

Control Flow Graphs (CFGs) are critical for analyzing program execution and characterizing malware behavior. With the growing adoption of Graph Neural Networks (GNNs), CFG-based representations have proven highly effective for malware…

Cryptography and Security · Computer Science 2025-08-22 Hossein Shokouhinejad , Griffin Higgins , Roozbeh Razavi-Far , Hesamodin Mohammadian , Ali A. Ghorbani

Generative AI models have recently achieved astonishing results in quality and are consequently employed in a fast-growing number of applications. However, since they are highly data-driven, relying on billion-sized datasets randomly…

Recent advancements in text-to-image diffusion models have demonstrated remarkable success, yet they often struggle to fully capture the user's intent. Existing approaches using textual inputs combined with bounding boxes or region masks…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Seonho Lee , Jiho Choi , Seohyun Lim , Jiwook Kim , Hyunjung Shim

This paper presents a test-time guidance method to improve the output quality of the human motion diffusion models without requiring additional training. To have negative guidance, Smooth Perturbation Guidance (SPG) builds a weak model by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Boseong Jeon

We tackle the dual challenges of video understanding and controllable video generation within a unified diffusion framework. Our key insights are two-fold: geometry-only cues (e.g., depth, edges) are insufficient: they specify layout but…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Dianbing Xi , Jiepeng Wang , Yuanzhi Liang , Xi Qiu , Jialun Liu , Hao Pan , Yuchi Huo , Rui Wang , Haibin Huang , Chi Zhang , Xuelong Li

Text-driven person image generation is an emerging and challenging task in cross-modality image generation. Controllable person image generation promotes a wide range of applications such as digital human interaction and virtual try-on.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Kaiduo Zhang , Muyi Sun , Jianxin Sun , Binghao Zhao , Kunbo Zhang , Zhenan Sun , Tieniu Tan

In controllable generation tasks, flexibly manipulating the generated images to attain a desired appearance or structure based on a single input image cue remains a critical and longstanding challenge. Achieving this requires the effective…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xi Wang , Yichen Peng , Heng Fang , Yilin Wang , Haoran Xie , Xi Yang , Chuntao Li

Recently, the multimedia community has witnessed the rise of diffusion models trained on large-scale multi-modal data for visual content creation, particularly in the field of text-to-image generation. In this paper, we propose a new task…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Jingwen Chen , Yingwei Pan , Ting Yao , Tao Mei

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

Recent advancements in deep learning for medical image segmentation are often limited by the scarcity of high-quality training data.While diffusion models provide a potential solution by generating synthetic images, their effectiveness in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Jianhao Xie , Ziang Zhang , Zhenyu Weng , Yuesheng Zhu , Guibo Luo

Diffusion models have demonstrated strong generative performance when using guidance methods such as classifier-free guidance (CFG), which enhance output quality by modifying the sampling trajectory. These methods typically improve a target…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Kwanyoung Kim

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…

Machine Learning · Computer Science 2024-05-30 Yifei Shen , Xinyang Jiang , Yezhen Wang , Yifan Yang , Dongqi Han , Dongsheng Li

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Chong Mou , Xintao Wang , Jiechong Song , Ying Shan , Jian Zhang

We study masked discrete diffusion models with classifier-free guidance (CFG). Assuming no score error nor discretization error, we derive an explicit solution to the guided reverse dynamics, so that how guidance influences the sampling…

Machine Learning · Statistics 2025-06-13 He Ye , Rojas Kevin , Tao Molei

Producing large images using small diffusion models is gaining increasing popularity, as the cost of training large models could be prohibitive. A common approach involves jointly generating a series of overlapped image patches and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Shoukun Sun , Min Xian , Tiankai Yao , Fei Xu , Luca Capriotti

Ensuring precise multimodal alignment between diffusion-generated images and input prompts has been a long-standing challenge. Earlier works finetune diffusion weight using high-quality preference data, which tends to be limited and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Jiayi Guo , Chuanhao Yan , Xingqian Xu , Yulin Wang , Kai Wang , Gao Huang , Humphrey Shi

Classifier-guided diffusion models have emerged as a powerful approach for conditional image generation, but they suffer from overconfident predictions during early denoising steps, causing the guidance gradient to vanish. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Seyed Alireza Javid , Amirhossein Bagheri , Nuria González-Prelcic

Recent methods using diffusion models have made significant progress in Human Image Generation (HIG) with various control signals such as pose priors. In HIG, both accurate human poses and coherent visual quality are crucial for image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Shibang Liu , Xuemei Xie , Guangming Shi

Data augmentation is crucial for pixel-wise annotation tasks like semantic segmentation, where labeling requires significant effort and intensive labor. Traditional methods, involving simple transformations such as rotations and flips,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Quang-Huy Che , Duc-Tri Le , Bich-Nga Pham , Duc-Khai Lam , Vinh-Tiep Nguyen