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Recovering high-quality 3D human motion in complex scenes from monocular videos is important for many applications, ranging from AR/VR to robotics. However, capturing realistic human-scene interactions, while dealing with occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Siwei Zhang , Yan Zhang , Federica Bogo , Marc Pollefeys , Siyu Tang

We present SkyReels-A1, a simple yet effective framework built upon video diffusion Transformer to facilitate portrait image animation. Existing methodologies still encounter issues, including identity distortion, background instability,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Di Qiu , Zhengcong Fei , Rui Wang , Jialin Bai , Changqian Yu , Mingyuan Fan , Guibin Chen , Xiang Wen

Preference optimization for diffusion models aims to align them with human preferences for images. Previous methods typically use Vision-Language Models (VLMs) as pixel-level reward models to approximate human preferences. However, when…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Tao Zhang , Cheng Da , Kun Ding , Huan Yang , Kun Jin , Yan Li , Tingting Gao , Di Zhang , Shiming Xiang , Chunhong Pan

Current diffusion models for human image animation often struggle to maintain identity (ID) consistency, especially when the reference image and driving video differ significantly in body size or position. We introduce StableAnimator++, the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Shuyuan Tu , Zhen Xing , Xintong Han , Zhi-Qi Cheng , Qi Dai , Chong Luo , Zuxuan Wu , Yu-Gang Jiang

Recent advancements in human preference optimization, originally developed for Large Language Models (LLMs), have shown significant potential in improving text-to-image diffusion models. These methods aim to learn the distribution of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Amir Saeidi , Yiran Luo , Agneet Chatterjee , Shamanthak Hegde , Bimsara Pathiraja , Yezhou Yang , Chitta Baral

Current diffusion-based acceleration methods for long-portrait animation struggle to ensure identity (ID) consistency. This paper presents FlashPortrait, an end-to-end video diffusion transformer capable of synthesizing ID-preserving,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Shuyuan Tu , Yueming Pan , Yinming Huang , Xintong Han , Zhen Xing , Qi Dai , Kai Qiu , Chong Luo , Zuxuan Wu

Video diffusion models (VDMs) have demonstrated remarkable capabilities in text-to-video (T2V) generation. Despite their success, VDMs still suffer from degraded image quality and flickering artifacts. To address these issues, some…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jiacheng Zhang , Jie Wu , Weifeng Chen , Yatai Ji , Xuefeng Xiao , Weilin Huang , Kai Han

Recent diffusion methods have made significant progress in generating videos from single images due to their powerful visual generation capabilities. However, challenges persist in image-to-video synthesis, particularly in human video…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Tiantian Wang , Chun-Han Yao , Tao Hu , Mallikarjun Byrasandra Ramalinga Reddy , Ming-Hsuan Yang , Varun Jampani

Human image animation aims to generate a human motion video from the inputs of a reference human image and a target motion video. Current diffusion-based image animation systems exhibit high precision in transferring human identity into…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Sunjae Yoon , Gwanhyeong Koo , Younghwan Lee , Chang D. Yoo

Motion transfer from the driving to the source portrait remains a key challenge in the portrait animation. Current diffusion-based approaches condition only on the driving motion, which fails to capture source-to-driving correspondences and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yating Xu , Yunqi Miao , Evangelos Ververas , Jiankang Deng , Jifei Song

Human mesh recovery (HMR) from a single image is inherently ill-posed due to depth ambiguity and occlusions. Probabilistic methods have tried to solve this by generating numerous plausible 3D human mesh predictions, but they often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Wenhao Shen , Wanqi Yin , Xiaofeng Yang , Cheng Chen , Chaoyue Song , Zhongang Cai , Lei Yang , Hao Wang , Guosheng Lin

Recent diffusion-based human image animation techniques have demonstrated impressive success in synthesizing videos that faithfully follow a given reference identity and a sequence of desired movement poses. Despite this, there are still…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Xiang Wang , Shiwei Zhang , Changxin Gao , Jiayu Wang , Xiaoqiang Zhou , Yingya Zhang , Luxin Yan , Nong Sang

Generating human motion that satisfies customized zero-shot goal functions, enabling applications such as controllable character animation and behavior synthesis for virtual agents, is a critical capability. While current approaches handle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Hanchao Liu , Fang-Lue Zhang , Shining Zhang , Tai-Jiang Mu , Shi-Min Hu

Speech-driven 3D facial animation plays a key role in applications such as virtual avatars, gaming, and digital content creation. While existing methods have made significant progress in achieving accurate lip synchronization and generating…

Graphics · Computer Science 2025-07-16 Yifang Pan , Karan Singh , Luiz Gustavo Hafemann

Talking head synthesis is a promising approach for the video production industry. Recently, a lot of effort has been devoted in this research area to improve the generation quality or enhance the model generalization. However, there are few…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Shuai Shen , Wenliang Zhao , Zibin Meng , Wanhua Li , Zheng Zhu , Jie Zhou , Jiwen Lu

DiffusionAvatars synthesizes a high-fidelity 3D head avatar of a person, offering intuitive control over both pose and expression. We propose a diffusion-based neural renderer that leverages generic 2D priors to produce compelling images of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Tobias Kirschstein , Simon Giebenhain , Matthias Nießner

We have recently seen tremendous progress in photo-real human modeling and rendering. Yet, efficiently rendering realistic human performance and integrating it into the rasterization pipeline remains challenging. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Yuheng Jiang , Zhehao Shen , Penghao Wang , Zhuo Su , Yu Hong , Yingliang Zhang , Jingyi Yu , Lan Xu

Recent advancements in audio-driven talking face generation have made great progress in lip synchronization. However, current methods often lack sufficient control over facial animation such as speaking style and emotional expression,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Baiqin Wang , Xiangyu Zhu , Fan Shen , Hao Xu , Zhen Lei

Audio-driven talking face generation is a challenging task in digital communication. Despite significant progress in the area, most existing methods concentrate on audio-lip synchronization, often overlooking aspects such as visual quality,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Fatemeh Nazarieh , Zhenhua Feng , Diptesh Kanojia , Muhammad Awais , Josef Kittler

The task of audio-driven portrait animation involves generating a talking head video using an identity image and an audio track of speech. While many existing approaches focus on lip synchronization and video quality, few tackle the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Jian Zhang , Weijian Mai , Zhijun Zhang