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Generating high-quality and person-generic visual dubbing remains a challenge. Recent innovation has seen the advent of a two-stage paradigm, decoupling the rendering and lip synchronization process facilitated by intermediate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Tao Liu , Chenpeng Du , Shuai Fan , Feilong Chen , Kai Yu

We introduce a highly robust GAN-based framework for digitizing a normalized 3D avatar of a person from a single unconstrained photo. While the input image can be of a smiling person or taken in extreme lighting conditions, our method can…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Huiwen Luo , Koki Nagano , Han-Wei Kung , Mclean Goldwhite , Qingguo Xu , Zejian Wang , Lingyu Wei , Liwen Hu , Hao Li

Personalized text-to-image diffusion models (e.g., DreamBooth, LoRA) enable users to synthesize high-fidelity avatars from a few reference photos for social expression. However, once these generations are shared on social media platforms…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Linyan Dai , Xinwei Zhang , Haoyang Li , Qingqing Ye , Haibo Hu

In materials science, microstructures and their associated extrinsic properties are critical for engineering advanced structural and functional materials, yet their robust reconstruction and generation remain significant challenges. In this…

Materials Science · Physics 2024-10-01 Yixuan Zhang , Teng Long , Hongbin Zhang

The Latent Diffusion Model (LDM) has demonstrated strong capabilities in high-resolution image generation and has been widely employed for Pose-Guided Person Image Synthesis (PGPIS), yielding promising results. However, the compression…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jiaqi Liu , Jichao Zhang , Paolo Rota , Nicu Sebe

Re-Identification systems (Re-ID) are crucial for public safety but face the challenge of having to adapt to environments that differ from their training distribution. Furthermore, rigorous privacy protocols in public places are being…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hamza Rami , Jhony H. Giraldo , Nicolas Winckler , Stéphane Lathuilière

Privacy concerns have led to a surge in the creation of synthetic datasets, with diffusion models emerging as a promising avenue. Although prior studies have performed empirical evaluations on these models, there has been a gap in providing…

Machine Learning · Computer Science 2024-06-04 Rongzhe Wei , Eleonora Kreačić , Haoyu Wang , Haoteng Yin , Eli Chien , Vamsi K. Potluru , Pan Li

Diffusion models have recently gained traction as a powerful class of deep generative priors, excelling in a wide range of image restoration tasks due to their exceptional ability to model data distributions. To solve image restoration…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Xiang Li , Soo Min Kwon , Shijun Liang , Ismail R. Alkhouri , Saiprasad Ravishankar , Qing Qu

Face recognition systems have significantly advanced in recent years, driven by the availability of large-scale datasets. However, several issues have recently came up, including privacy concerns that have led to the discontinuation of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Dominik Lawatsch , Florian Domin , Maxim Schaubert

Diffusion-based models, widely used in text-to-image generation, have proven effective in 2D representation learning. Recently, this framework has been extended to 3D self-supervised learning by constructing a conditional point generator…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yiyang Chen , Shanshan Zhao , Lunhao Duan , Changxing Ding , Dacheng Tao

Creating high-quality animatable 3D human avatars from a single image remains a significant challenge in computer vision due to the inherent difficulty of reconstructing complete 3D information from a single viewpoint. Current approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Yonwoo Choi

Face swapping aims to optimize realistic facial image generation by leveraging the identity of a source face onto a target face while preserving pose, expression, and context. However, existing methods, especially GAN-based methods, often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Md Shohel Rana , Tanoy Debnath

Data augmentation for domain-specific image classification tasks often struggles to simultaneously address diversity, faithfulness, and label clarity of generated data, leading to suboptimal performance in downstream tasks. While existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yixuan Dong , Fang-Yi Su , Jung-Hsien Chiang

Unveiling the real appearance of retouched faces to prevent malicious users from deceptive advertising and economic fraud has been an increasing concern in the era of digital economics. This article makes the first attempt to investigate…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Fengchuang Xing , Xiaowen Shi , Yuan-Gen Wang , Chunsheng Yang

Person re-identification (re-ID) plays an important role in applications such as public security and video surveillance. Recently, learning from synthetic data, which benefits from the popularity of synthetic data engine, have achieved…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Suncheng Xiang , Yuzhuo Fu , Guanjie You , Ting Liu

Diffusion models achieved great success in image synthesis, but still face challenges in high-resolution generation. Through the lens of discrete cosine transformation, we find the main reason is that \emph{the same noise level on a higher…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Jiayan Teng , Wendi Zheng , Ming Ding , Wenyi Hong , Jianqiao Wangni , Zhuoyi Yang , Jie Tang

Neural Radiance Fields and 3D Gaussian Splatting have advanced novel view synthesis, yet still rely on dense inputs and often degrade at extrapolated views. Recent approaches leverage generative models, such as diffusion models, to provide…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Hongyu Zhou , Zisen Shao , Sheng Miao , Pan Wang , Dongfeng Bai , Bingbing Liu , Yiyi Liao

Face swapping aims to seamlessly transfer a source facial identity onto a target while preserving target attributes such as pose and expression. Diffusion models, known for their superior generative capabilities, have recently shown promise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Dailan He , Xiahong Wang , Shulun Wang , Guanglu Song , Bingqi Ma , Hao Shao , Yu Liu , Hongsheng Li

In this paper, we introduce a privacy-preserving stable diffusion framework leveraging homomorphic encryption, called HE-Diffusion, which primarily focuses on protecting the denoising phase of the diffusion process. HE-Diffusion is a…

Cryptography and Security · Computer Science 2024-05-03 Yaojian Chen , Qiben Yan

The rapid progress in generative models has given rise to the critical task of AI-Generated Content Stealth (AIGC-S), which aims to create AI-generated images that can evade both forensic detectors and human inspection. This task is crucial…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Ziyin Zhou , Ke Sun , Zhongxi Chen , Huafeng Kuang , Xiaoshuai Sun , Rongrong Ji