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Talking head generation with arbitrary identities and speech audio remains a crucial problem in the realm of the virtual metaverse. Recently, diffusion models have become a popular generative technique in this field with their strong…

Graphics · Computer Science 2025-08-11 Xinyang Li , Gen Li , Zhihui Lin , Yichen Qian , GongXin Yao , Weinan Jia , Aowen Wang , Weihua Chen , Fan Wang

The generation of emotional talking faces from a single portrait image remains a significant challenge. The simultaneous achievement of expressive emotional talking and accurate lip-sync is particularly difficult, as expressiveness is often…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Chenxu Zhang , Chao Wang , Jianfeng Zhang , Hongyi Xu , Guoxian Song , You Xie , Linjie Luo , Yapeng Tian , Xiaohu Guo , Jiashi Feng

Person-generic audio-driven face generation is a challenging task in computer vision. Previous methods have achieved remarkable progress in audio-visual synchronization, but there is still a significant gap between current results and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Xiaozhong Ji , Chuming Lin , Zhonggan Ding , Ying Tai , Junwei Zhu , Xiaobin Hu , Donghao Luo , Yanhao Ge , Chengjie Wang

Human-centric generative models designed for AI-driven storytelling must bring together two core capabilities: identity consistency and precise control over human performance. While recent diffusion-based approaches have made significant…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Foivos Paraperas Papantoniou , Stefanos Zafeiriou

Face presentation attack detection (fPAD) plays a critical role in the modern face recognition pipeline. A face presentation attack detection model with good generalization can be obtained when it is trained with face images from different…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel

Federated learning has become a popular machine learning paradigm with many potential real-life applications, including recommendation systems, the Internet of Things (IoT), healthcare, and self-driving cars. Though most current…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Abdulla Jasem Almansoori , Samuel Horváth , Martin Takáč

Personalized federated learning is tasked with training machine learning models for multiple clients, each with its own data distribution. The goal is to train personalized models in a collaborative way while accounting for data disparities…

Machine Learning · Computer Science 2021-03-09 Aviv Shamsian , Aviv Navon , Ethan Fetaya , Gal Chechik

Speech-driven 3D face animation technique, extending its applications to various multimedia fields. Previous research has generated promising realistic lip movements and facial expressions from audio signals. However, traditional regression…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Ziqiao Peng , Yihao Luo , Yue Shi , Hao Xu , Xiangyu Zhu , Jun He , Hongyan Liu , Zhaoxin Fan

DNN-based face recognition models require large centrally aggregated face datasets for training. However, due to the growing data privacy concerns and legal restrictions, accessing and sharing face datasets has become exceedingly difficult.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Divyansh Aggarwal , Jiayu Zhou , Anil K. Jain

Audio-driven single-image talking portrait generation plays a crucial role in virtual reality, digital human creation, and filmmaking. Existing approaches are generally categorized into keypoint-based and image-based methods. Keypoint-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chaolong Yang , Kai Yao , Yuyao Yan , Chenru Jiang , Weiguang Zhao , Jie Sun , Guangliang Cheng , Yifei Zhang , Bin Dong , Kaizhu Huang

Large language models (LLMs) are proliferating rapidly at the edge, delivering intelligent capabilities across diverse application scenarios. However, their practical deployment in collaborative scenarios confronts fundamental challenges:…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-05 Xiumei Deng , Zehui Xiong , Binbin Chen , Dong In Kim , Merouane Debbah , H. Vincent Poor

Audio-driven talking head synthesis strives to generate lifelike video portraits from provided audio. The diffusion model, recognized for its superior quality and robust generalization, has been explored for this task. However, establishing…

Multimedia · Computer Science 2024-09-17 Fa-Ting Hong , Yunfei Liu , Yu Li , Changyin Zhou , Fei Yu , Dan Xu

This paper investigates the feasibility of federated representation learning under the constraints of communication cost and privacy protection. Existing works either conduct annotation-guided local training which requires frequent…

Machine Learning · Computer Science 2022-01-19 Haizhou Shi , Youcai Zhang , Zijin Shen , Siliang Tang , Yaqian Li , Yandong Guo , Yueting Zhuang

Different people speak with diverse personalized speaking styles. Although existing one-shot talking head methods have made significant progress in lip sync, natural facial expressions, and stable head motions, they still cannot generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Yifeng Ma , Suzhen Wang , Zhipeng Hu , Changjie Fan , Tangjie Lv , Yu Ding , Zhidong Deng , Xin Yu

Talking face generation has historically struggled to produce head movements and natural facial expressions without guidance from additional reference videos. Recent developments in diffusion-based generative models allow for more realistic…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Michał Stypułkowski , Konstantinos Vougioukas , Sen He , Maciej Zięba , Stavros Petridis , Maja Pantic

Federated learning, a distributed learning paradigm, utilizes multiple clients to build a robust global model. In real-world applications, local clients often operate within their limited domains, leading to a `domain shift' across clients.…

Machine Learning · Computer Science 2024-07-12 Seunghan Yang , Seokeon Choi , Hyunsin Park , Sungha Choi , Simyung Chang , Sungrack Yun

In this paper, we introduce a simple and novel framework for one-shot audio-driven talking head generation. Unlike prior works that require additional driving sources for controlled synthesis in a deterministic manner, we instead…

Graphics · Computer Science 2022-12-09 Zhentao Yu , Zixin Yin , Deyu Zhou , Duomin Wang , Finn Wong , Baoyuan Wang

Federated learning (FL) enhances privacy by keeping user data on local devices. However, emerging attacks have demonstrated that the updates shared by users during training can reveal significant information about their data. This has…

Balancing robust security with strong privacy guarantees is critical for Risk-Based Adaptive Authentication (RBA), particularly in decentralized settings. Federated Learning (FL) offers a promising solution by enabling collaborative risk…

Cryptography and Security · Computer Science 2025-09-23 Yaser Baseri , Abdelhakim Senhaji Hafid , Dimitrios Makrakis , Hamidreza Fereidouni

In the landscape of generative artificial intelligence, diffusion-based models present challenges for socio-technical systems in data requirements and privacy. Traditional approaches like federated learning distribute the learning process…

Machine Learning · Computer Science 2024-08-19 Domenique Zipperling , Simeon Allmendinger , Lukas Struppek , Niklas Kühl
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