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We present a method to reconstruct time-consistent human body models from monocular videos, focusing on extremely loose clothing or handheld object interactions. Prior work in human reconstruction is either limited to tight clothing with no…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Jeff Tan , Donglai Xiang , Shubham Tulsiani , Deva Ramanan , Gengshan Yang

In the field of monocular 3D detection, it is common practice to utilize scene geometric clues to enhance the detector's performance. However, many existing works adopt these clues explicitly such as estimating a depth map and…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Junkai Xu , Liang Peng , Haoran Cheng , Hao Li , Wei Qian , Ke Li , Wenxiao Wang , Deng Cai

Recovering temporally consistent 3D human body pose, shape and motion from a monocular video is a challenging task due to (self-)occlusions, poor lighting conditions, complex articulated body poses, depth ambiguity, and limited availability…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Sushovan Chanda , Amogh Tiwari , Lokender Tiwari , Brojeshwar Bhowmick , Avinash Sharma , Hrishav Barua

We present a novel semantic model for human head defined with neural radiance field. The 3D-consistent head model consist of a set of disentangled and interpretable bases, and can be driven by low-dimensional expression coefficients. Thanks…

图形学 · 计算机科学 2022-10-13 Xuan Gao , Chenglai Zhong , Jun Xiang , Yang Hong , Yudong Guo , Juyong Zhang

In this paper, we propose MoDGS, a new pipeline to render novel views of dy namic scenes from a casually captured monocular video. Previous monocular dynamic NeRF or Gaussian Splatting methods strongly rely on the rapid move ment of input…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Qingming Liu , Yuan Liu , Jiepeng Wang , Xianqiang Lyv , Peng Wang , Wenping Wang , Junhui Hou

Recent works on generalizable NeRFs have shown promising results on novel view synthesis from single or few images. However, such models have rarely been applied on other downstream tasks beyond synthesis such as semantic understanding and…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Jianglong Ye , Naiyan Wang , Xiaolong Wang

Monocular image-based 3D reconstruction of faces is a long-standing problem in computer vision. Since image data is a 2D projection of a 3D face, the resulting depth ambiguity makes the problem ill-posed. Most existing methods rely on…

In this paper, we tackle the problem of estimating the depth of a scene from a monocular video sequence. In particular, we handle challenging scenarios, such as non-translational camera motion and dynamic scenes, where traditional structure…

计算机视觉与模式识别 · 计算机科学 2015-11-20 Miaomiao Liu , Mathieu Salzmann , Xuming He

High-fidelity reconstruction of head avatars from monocular videos is highly desirable for virtual human applications, but it remains a challenge in the fields of computer graphics and computer vision. In this paper, we propose a two-phase…

图形学 · 计算机科学 2025-03-31 Pilseo Park , Ze Zhang , Michel Sarkis , Ning Bi , Xiaoming Liu , Yiying Tong

We present a real-time deep learning framework for video-based facial performance capture -- the dense 3D tracking of an actor's face given a monocular video. Our pipeline begins with accurately capturing a subject using a high-end…

计算机视觉与模式识别 · 计算机科学 2017-06-05 Samuli Laine , Tero Karras , Timo Aila , Antti Herva , Shunsuke Saito , Ronald Yu , Hao Li , Jaakko Lehtinen

We present a novel method for high detail-preserving human avatar creation from monocular video. A parameterized body model is refined and optimized to maximally resemble subjects from a video showing them from all sides. Our avatars…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Thiemo Alldieck , Marcus Magnor , Weipeng Xu , Christian Theobalt , Gerard Pons-Moll

We present a generative method to estimate 3D human motion and body shape from monocular video. Under the assumption that starting from an initial pose optical flow constrains subsequent human motion, we exploit flow to find temporally…

计算机视觉与模式识别 · 计算机科学 2017-03-22 Thiemo Alldieck , Marc Kassubeck , Marcus Magnor

This paper introduces Motion-oriented Compositional Neural Radiance Fields (MoCo-NeRF), a framework designed to perform free-viewpoint rendering of monocular human videos via novel non-rigid motion modeling approach. In the context of…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Jaehyeok Kim , Dongyoon Wee , Dan Xu

This paper introduces a novel approach to monocular 3D human pose estimation using contextualized representation learning with the Transformer-GCN dual-stream model. Monocular 3D human pose estimation is challenged by depth ambiguity,…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Mingrui Ye , Lianping Yang , Hegui Zhu , Zenghao Zheng , Xin Wang , Yantao Lo

Photo-realistic neural reconstruction and rendering of the human portrait are critical for numerous VR/AR applications. Still, existing solutions inherently rely on multi-view capture settings, and the one-shot solution to get rid of the…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Ziyu Wang , Liao Wang , Fuqiang Zhao , Minye Wu , Lan Xu , Jingyi Yu

Human-Object Interaction (HOI) recognition in videos requires understanding both visual patterns and geometric relationships as they evolve over time. Visual and geometric features offer complementary strengths. Visual features capture…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Tanqiu Qiao , Ruochen Li , Frederick W. B. Li , Yoshiki Kubotani , Shigeo Morishima , Hubert P. H. Shum

We present a novel framework to reconstruct complete 3D human shapes from a given target image by leveraging monocular unconstrained images. The objective of this work is to reproduce high-quality details in regions of the reconstructed…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Marco Pesavento , Marco Volino , Adrian Hilton

Estimating accurate and temporally consistent 3D human geometry from videos is a challenging problem in computer vision. Existing methods, primarily optimized for single images, often suffer from temporal inconsistencies and fail to capture…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Gwanghyun Kim , Xueting Li , Ye Yuan , Koki Nagano , Tianye Li , Jan Kautz , Se Young Chun , Umar Iqbal

We propose to improve on graph convolution based approaches for human shape and pose estimation from monocular input, using pixel-aligned local image features. Given a single input color image, existing graph convolutional network (GCN)…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Shubhendu Jena , Franck Multon , Adnane Boukhayma

A long-standing goal in scene understanding is to obtain interpretable and editable representations that can be directly constructed from a raw monocular RGB-D video, without requiring specialized hardware setup or priors. The problem is…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Yu-Shiang Wong , Niloy J. Mitra