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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

Modeling animatable human avatars from monocular or multi-view videos has been widely studied, with recent approaches leveraging neural radiance fields (NeRFs) or 3D Gaussian Splatting (3DGS) achieving impressive results in novel-view and…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Yahui Li , Zhi Zeng , Liming Pang , Guixuan Zhang , Shuwu Zhang

Combining sparse IMUs and a monocular camera is a new promising setting to perform real-time human motion capture. This paper proposes a diffusion-based solution to learn human motion priors and fuse the two modalities of signals together…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Shaohua Pan , Xinyu Yi , Yan Zhou , Weihua Jian , Yuan Zhang , Pengfei Wan , Feng Xu

We present a new test-time optimization method for estimating dense and long-range motion from a video sequence. Prior optical flow or particle video tracking algorithms typically operate within limited temporal windows, struggling to track…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Qianqian Wang , Yen-Yu Chang , Ruojin Cai , Zhengqi Li , Bharath Hariharan , Aleksander Holynski , Noah Snavely

Fast 3D clothed human reconstruction from monocular video remains a significant challenge in computer vision, particularly in balancing computational efficiency with reconstruction quality. Current approaches are either focused on static…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Matthew Marchellus , Nadhira Noor , In Kyu Park

Monocular SLAM algorithms perform robustly when observing rigid scenes, however, they fail when the observed scene deforms, for example, in medical endoscopy applications. We present DefSLAM, the first monocular SLAM capable of operating in…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Jose Lamarca , Shaifali Parashar , Adrien Bartoli , J. M. M. Montiel

In this paper, we present an approach to reconstruct 3-D human motion from multi-cameras and track human skeleton using the reconstructed human 3-D point (voxel) cloud. We use an improved and more robust algorithm, probabilistic shape from…

图形学 · 计算机科学 2013-11-28 Jian Song , Yatao Bian , Junchi Yan , Xu Zhao , Yuncai Liu

Faithful human performance capture and free-view rendering from sparse RGB observations is a long-standing problem in Vision and Graphics. The main challenges are the lack of observations and the inherent ambiguities of the setting, e.g.…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Guoxing Sun , Rishabh Dabral , Pascal Fua , Christian Theobalt , Marc Habermann

This paper addresses the challenge of novel view synthesis for a human performer from a very sparse set of camera views. Some recent works have shown that learning implicit neural representations of 3D scenes achieves remarkable view…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Sida Peng , Yuanqing Zhang , Yinghao Xu , Qianqian Wang , Qing Shuai , Hujun Bao , Xiaowei Zhou

High-quality 4D reconstruction of human performance with complex interactions to various objects is essential in real-world scenarios, which enables numerous immersive VR/AR applications. However, recent advances still fail to provide…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Zhuo Su , Lan Xu , Dawei Zhong , Zhong Li , Fan Deng , Shuxue Quan , Lu Fang

Visual reconstruction of fast non-rigid object deformations over time is a challenge for conventional frame-based cameras. In this paper, we propose a novel approach for reconstructing such deformations using measurements from event-based…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Yuxuan Xue , Haolong Li , Stefan Leutenegger , Jörg Stückler

Human behaviors in the real world naturally encode rich, long-term contextual information that can be leveraged to train embodied agents for perception, understanding, and acting. However, existing capture systems typically rely on costly…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Wenjia Wang , Liang Pan , Huaijin Pi , Yuke Lou , Xuqian Ren , Yifan Wu , Zhouyingcheng Liao , Lei Yang , Rishabh Dabral , Christian Theobalt , Taku Komura

Dynamic environments that include unstructured moving objects pose a hard problem for Simultaneous Localization and Mapping (SLAM) performance. The motion of rigid objects can be typically tracked by exploiting their texture and geometric…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Huayan Zhang , Tianwei Zhang , Tin Lun Lam , Sethu Vijayakumar

3D reconstruction of dynamic scenes is a long-standing problem in computer graphics and increasingly difficult the less information is available. Shape-from-Template (SfT) methods aim to reconstruct a template-based geometry from RGB images…

计算机视觉与模式识别 · 计算机科学 2024-04-16 David Stotko , Nils Wandel , Reinhard Klein

Optical motion capture (mocap) requires accurately reconstructing the human body from retroreflective markers, including pose and shape. In a typical mocap setting, marker labeling is an important but tedious and error-prone step. Previous…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Nicholas Milef , John Keyser , Shu Kong

Human reconstruction and synthesis from monocular RGB videos is a challenging problem due to clothing, occlusion, texture discontinuities and sharpness, and framespecific pose changes. Many methods employ deferred rendering, NeRFs and…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Rohit Jena , Pratik Chaudhari , James Gee , Ganesh Iyer , Siddharth Choudhary , Brandon M. Smith

Monocular SLAM in deformable scenes will open the way to multiple medical applications like computer-assisted navigation in endoscopy, automatic drug delivery or autonomous robotic surgery. In this paper we propose a novel method to…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Juan J. Gomez Rodriguez , J. M. M Montiel , Juan D. Tardos

We propose the first real-time approach for the egocentric estimation of 3D human body pose in a wide range of unconstrained everyday activities. This setting has a unique set of challenges, such as mobility of the hardware setup, and…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Weipeng Xu , Avishek Chatterjee , Michael Zollhoefer , Helge Rhodin , Pascal Fua , Hans-Peter Seidel , Christian Theobalt

Accurate and temporally consistent modeling of human bodies is essential for a wide range of applications, including character animation, understanding human social behavior and AR/VR interfaces. Capturing human motion accurately from a…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Alexandra Zimmer , Anna Hilsmann , Wieland Morgenstern , Peter Eisert

We present a novel method for monocular hand shape and pose estimation at unprecedented runtime performance of 100fps and at state-of-the-art accuracy. This is enabled by a new learning based architecture designed such that it can make use…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Yuxiao Zhou , Marc Habermann , Weipeng Xu , Ikhsanul Habibie , Christian Theobalt , Feng Xu