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Recent advances in generative diffusion models have enabled the previously unfeasible capability of generating 3D assets from a single input image or a text prompt. In this work, we aim to enhance the quality and functionality of these…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Xiyi Chen , Marko Mihajlovic , Shaofei Wang , Sergey Prokudin , Siyu Tang

In this paper, we rethink text-to-avatar generative models by proposing TeRA, a more efficient and effective framework than the previous SDS-based models and general large 3D generative models. Our approach employs a two-stage training…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Yanwen Wang , Yiyu Zhuang , Jiawei Zhang , Li Wang , Yifei Zeng , Xun Cao , Xinxin Zuo , Hao Zhu

Creating realistic avatars from a single RGB image is an attractive yet challenging problem. Due to its ill-posed nature, recent works leverage powerful prior from 2D diffusion models pretrained on large datasets. Although 2D diffusion…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Yuxuan Xue , Xianghui Xie , Riccardo Marin , Gerard Pons-Moll

Recent advances in 3D avatar generation have gained significant attentions. These breakthroughs aim to produce more realistic animatable avatars, narrowing the gap between virtual and real-world experiences. Most of existing works employ…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Mingyuan Zhou , Rakib Hyder , Ziwei Xuan , Guojun Qi

In this paper, we propose ARCH (Animatable Reconstruction of Clothed Humans), a novel end-to-end framework for accurate reconstruction of animation-ready 3D clothed humans from a monocular image. Existing approaches to digitize 3D humans…

图形学 · 计算机科学 2020-04-14 Zeng Huang , Yuanlu Xu , Christoph Lassner , Hao Li , Tony Tung

The creation of a parameterized stylized character involves careful selection of numerous parameters, also known as the "avatar vectors" that can be interpreted by the avatar engine. Existing unsupervised avatar vector estimation methods…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Shizun Wang , Weihong Zeng , Xu Wang , Hao Yang , Li Chen , Yi Yuan , Yunzhao Zeng , Min Zheng , Chuang Zhang , Ming Wu

This paper studies the problem of 3D volumetric reconstruction from two views of a scene with an unknown camera. While seemingly easy for humans, this problem poses many challenges for computers since it requires simultaneously…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Shengyi Qian , Linyi Jin , David F. Fouhey

We present X-Avatar, a novel avatar model that captures the full expressiveness of digital humans to bring about life-like experiences in telepresence, AR/VR and beyond. Our method models bodies, hands, facial expressions and appearance in…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Kaiyue Shen , Chen Guo , Manuel Kaufmann , Juan Jose Zarate , Julien Valentin , Jie Song , Otmar Hilliges

This paper aims to generate physically-layered 3D humans from text prompts. Existing methods either generate 3D clothed humans as a whole or support only tight and simple clothing generation, which limits their applications to virtual…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Yi Wang , Jian Ma , Ruizhi Shao , Qiao Feng , Yu-kun Lai , Kun Li

We present AvatarPopUp, a method for fast, high quality 3D human avatar generation from different input modalities, such as images and text prompts and with control over the generated pose and shape. The common theme is the use of…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Nikos Kolotouros , Thiemo Alldieck , Enric Corona , Eduard Gabriel Bazavan , Cristian Sminchisescu

Self-occlusion is common when capturing people in the wild, where the performer do not follow predefined motion scripts. This challenges existing monocular human reconstruction systems that assume full body visibility. We introduce…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Zhuoyang Pan , Angjoo Kanazawa , Hang Gao

Generating both plausible and accurate full body avatar motion is the key to the quality of immersive experiences in mixed reality scenarios. Head-Mounted Devices (HMDs) typically only provide a few input signals, such as head and hands…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Sadegh Aliakbarian , Fatemeh Saleh , David Collier , Pashmina Cameron , Darren Cosker

Combining human body models with differentiable rendering has recently enabled animatable avatars of clothed humans from sparse sets of multi-view RGB videos. While state-of-the-art approaches achieve realistic appearance with neural…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Shaofei Wang , Katja Schwarz , Andreas Geiger , Siyu Tang

In this paper, we aim to create generalizable and controllable neural signed distance fields (SDFs) that represent clothed humans from monocular depth observations. Recent advances in deep learning, especially neural implicit…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Shaofei Wang , Marko Mihajlovic , Qianli Ma , Andreas Geiger , Siyu Tang

While recent work has shown progress on extracting clothed 3D human avatars from a single image, video, or a set of 3D scans, several limitations remain. Most methods use a holistic representation to jointly model the body and clothing,…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Yao Feng , Jinlong Yang , Marc Pollefeys , Michael J. Black , Timo Bolkart

Realistic human geometry generation is an important yet challenging task, requiring both the preservation of fine clothing details and the accurate modeling of clothing-body interactions. To tackle this challenge, we build upon Geometry…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Xiangjun Tang , Biao Zhang , Peter Wonka

SmartAvatar is a vision-language-agent-driven framework for generating fully rigged, animation-ready 3D human avatars from a single photo or textual prompt. While diffusion-based methods have made progress in general 3D object generation,…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Alexander Huang-Menders , Xinhang Liu , Andy Xu , Yuyao Zhang , Chi-Keung Tang , Yu-Wing Tai

We present ARCH++, an image-based method to reconstruct 3D avatars with arbitrary clothing styles. Our reconstructed avatars are animation-ready and highly realistic, in both the visible regions from input views and the unseen regions.…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Tong He , Yuanlu Xu , Shunsuke Saito , Stefano Soatto , Tony Tung

Stylized 3D avatars have become increasingly prominent in our modern life. Creating these avatars manually usually involves laborious selection and adjustment of continuous and discrete parameters and is time-consuming for average users.…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Shen Sang , Tiancheng Zhi , Guoxian Song , Minghao Liu , Chunpong Lai , Jing Liu , Xiang Wen , James Davis , Linjie Luo

We study the problem of single-image 3D object reconstruction. Recent works have diverged into two directions: regression-based modeling and generative modeling. Regression methods efficiently infer visible surfaces, but struggle with…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Zixuan Huang , Mark Boss , Aaryaman Vasishta , James M. Rehg , Varun Jampani