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Recent advances in diffusion models have improved Real-World Image Super-Resolution (Real-ISR), but existing methods lack human feedback integration, risking misalignment with human preference and may leading to artifacts, hallucinations…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Miaomiao Cai , Simiao Li , Wei Li , Xudong Huang , Hanting Chen , Jie Hu , Yunhe Wang

Diffusion models have demonstrated remarkable success in various visual generation tasks, including image, video, and 3D content generation. Preference optimization (PO) is a prominent and growing area of research that aims to align these…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Fu-Yun Wang , Keqiang Sun , Yao Teng , Xihui Liu , Jiale Yuan , Jiaming Song , Hongsheng Li

To the best of our knowledge, we first present a live system that generates personalized photorealistic talking-head animation only driven by audio signals at over 30 fps. Our system contains three stages. The first stage is a deep neural…

Graphics · Computer Science 2021-09-27 Yuanxun Lu , Jinxiang Chai , Xun Cao

The generation of stylistic 3D facial animations driven by speech presents a significant challenge as it requires learning a many-to-many mapping between speech, style, and the corresponding natural facial motion. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Zhiyao Sun , Tian Lv , Sheng Ye , Matthieu Lin , Jenny Sheng , Yu-Hui Wen , Minjing Yu , Yong-Jin Liu

Generating high-quality 360-degree views of human heads from single-view images is essential for enabling accessible immersive telepresence applications and scalable personalized content creation. While cutting-edge methods for full head…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yuming Gu , Phong Tran , Yujian Zheng , Hongyi Xu , Heyuan Li , Adilbek Karmanov , Hao Li

Generating naturalistic and nuanced listener motions for extended interactions remains an open problem. Existing methods often rely on low-dimensional motion codes for facial behavior generation followed by photorealistic rendering,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Maksim Siniukov , Di Chang , Minh Tran , Hongkun Gong , Ashutosh Chaubey , Mohammad Soleymani

3D human generation is an important problem with a wide range of applications in computer vision and graphics. Despite recent progress in generative AI such as diffusion models or rendering methods like Neural Radiance Fields or Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Maksym Ivashechkin , Oscar Mendez , Richard Bowden

Reconstructing photorealistic and animatable 4D head avatars from a single portrait image remains a fundamental challenge in computer vision. While diffusion models have enabled remarkable progress in image and video generation for avatar…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Chao Xu , Xiaochen Zhao , Xiang Deng , Jingxiang Sun , Donglin Di , Zhuo Su , Yebin Liu

Hand-Object Interaction (HOI) generation has significant application potential. However, current 3D HOI motion generation approaches heavily rely on predefined 3D object models and lab-captured motion data, limiting generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Lingwei Dang , Ruizhi Shao , Hongwen Zhang , Wei Min , Yebin Liu , Qingyao Wu

Talking head generation creates lifelike avatars from static portraits for virtual communication and content creation. However, current models do not yet convey the feeling of truly interactive communication, often generating one-way…

Machine Learning · Computer Science 2026-01-05 Taekyung Ki , Sangwon Jang , Jaehyeong Jo , Jaehong Yoon , Sung Ju Hwang

Human-centric video generation has advanced rapidly, yet existing methods struggle to produce controllable and physically consistent Human-Object Interaction (HOI) videos. Existing works rely on dense control signals, template videos, or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Jiazhi Guan , Quanwei Yang , Luying Huang , Junhao Liang , Borong Liang , Haocheng Feng , Wei He , Kaisiyuan Wang , Hang Zhou , Jingdong Wang

Character Animation aims to generating character videos from still images through driving signals. Currently, diffusion models have become the mainstream in visual generation research, owing to their robust generative capabilities. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Li Hu , Xin Gao , Peng Zhang , Ke Sun , Bang Zhang , Liefeng Bo

Diffusion Models represent a significant advancement in generative modeling, employing a dual-phase process that first degrades domain-specific information via Gaussian noise and restores it through a trainable model. This framework enables…

Neural and Evolutionary Computing · Computer Science 2024-11-21 Benedikt Hartl , Yanbo Zhang , Hananel Hazan , Michael Levin

Preference-conditioned image generation seeks to adapt generative models to individual users, producing outputs that reflect personal aesthetic choices beyond the given textual prompt. Despite recent progress, existing approaches either…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Wenyi Mo , Tianyu Zhang , Yalong Bai , Ligong Han , Ying Ba , Dimitris N. Metaxas

Preference modeling techniques, such as direct preference optimization (DPO), has shown effective in enhancing the generalization abilities of large language model (LLM). However, in tasks involving video instruction-following, providing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Ruohong Zhang , Liangke Gui , Zhiqing Sun , Yihao Feng , Keyang Xu , Yuanhan Zhang , Di Fu , Chunyuan Li , Alexander Hauptmann , Yonatan Bisk , Yiming Yang

Face stylization refers to the transformation of a face into a specific portrait style. However, current methods require the use of example-based adaptation approaches to fine-tune pre-trained generative models so that they demand lots of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Jin Liu , Huaibo Huang , Chao Jin , Ran He

Diffusion models have achieved remarkable success in generating realistic and versatile images from text prompts. Inspired by the recent advancements of language models, there is an increasing interest in further improving the models by…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Binxu Li , Minkai Xu , Jiaqi Han , Meihua Dang , Stefano Ermon

Bimanual manipulation is crucial in robotics, enabling complex tasks in industrial automation and household services. However, it poses significant challenges due to the high-dimensional action space and intricate coordination requirements.…

Video generation has achieved significant advances through rectified flow techniques, but issues like unsmooth motion and misalignment between videos and prompts persist. In this work, we develop a systematic pipeline that harnesses human…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Jie Liu , Gongye Liu , Jiajun Liang , Ziyang Yuan , Xiaokun Liu , Mingwu Zheng , Xiele Wu , Qiulin Wang , Menghan Xia , Xintao Wang , Xiaohong Liu , Fei Yang , Pengfei Wan , Di Zhang , Kun Gai , Yujiu Yang , Wanli Ouyang

Formulated as a conditional generation problem, face animation aims at synthesizing continuous face images from a single source image driven by a set of conditional face motion. Previous works mainly model the face motion as conditions with…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Xintian Wu , Qihang Zhang , Yiming Wu , Huanyu Wang , Songyuan Li , Lingyun Sun , Xi Li