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Recent progress in video diffusion models has markedly advanced character animation, which synthesizes motioned videos by animating a static identity image according to a driving video. Explicit methods represent motion using skeleton,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Zhufeng Xu , Xuan Gao , Feng-Lin Liu , Haoxian Zhang , Zhixue Fang , Yu-Kun Lai , Xiaoqiang Liu , Pengfei Wan , Lin Gao

Estimating hand-object manipulations is essential for interpreting and imitating human actions. Previous work has made significant progress towards reconstruction of hand poses and object shapes in isolation. Yet, reconstructing hands and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Yana Hasson , Gül Varol , Dimitrios Tzionas , Igor Kalevatykh , Michael J. Black , Ivan Laptev , Cordelia Schmid

Understanding hand-object interaction (HOI) is fundamental to computer vision, robotics, and AR/VR. However, conventional hand videos often lack essential physical information such as contact forces and motion signals, and are prone to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xinyu Zhang , Ziyi Kou , Chuan Qin , Mia Huang , Ergys Ristani , Ankit Kumar , Lele Chen , Kun He , Abdeslam Boularias , Li Guan

Our work aims to reconstruct hand-held objects given a single RGB image. In contrast to prior works that typically assume known 3D templates and reduce the problem to 3D pose estimation, our work reconstructs generic hand-held object…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Yufei Ye , Abhinav Gupta , Shubham Tulsiani

Deep imitation learning is promising for solving dexterous manipulation tasks because it does not require an environment model and pre-programmed robot behavior. However, its application to dual-arm manipulation tasks remains challenging.…

Robotics · Computer Science 2025-05-23 Heecheol Kim , Yoshiyuki Ohmura , Yasuo Kuniyoshi

Predicting natural and diverse 3D hand gestures from the upper body dynamics is a practical yet challenging task in virtual avatar creation. Previous works usually overlook the asymmetric motions between two hands and generate two hands in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Xingqun Qi , Chen Liu , Muyi Sun , Lincheng Li , Changjie Fan , Xin Yu

3D hand pose estimation has received a lot of attention for its wide range of applications and has made great progress owing to the development of deep learning. Existing approaches mainly consider different input modalities and settings,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Kuo-Wei Lee , Shih-Hung Liu , Hwann-Tzong Chen , Koichi Ito

Articulated hand pose and shape estimation is an important problem for vision-based applications such as augmented reality and animation. In contrast to the existing methods which optimize only for joint positions, we propose a fully…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Jameel Malik , Ahmed Elhayek , Fabrizio Nunnari , Kiran Varanasi , Kiarash Tamaddon , Alexis Heloir , Didier Stricker

Implicit Neural Representations (INRs) have emerged as a paradigm in knowledge representation, offering exceptional flexibility and performance across a diverse range of applications. INRs leverage multilayer perceptrons (MLPs) to model…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Amer Essakine , Yanqi Cheng , Chun-Wun Cheng , Lipei Zhang , Zhongying Deng , Lei Zhu , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

Implicit Neural Representations (INRs) have emerged in the last few years as a powerful tool to encode continuously a variety of different signals like images, videos, audio and 3D shapes. When applied to 3D shapes, INRs allow to overcome…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Luca De Luigi , Adriano Cardace , Riccardo Spezialetti , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

We propose a novel neural architecture for representing 3D surfaces, which harnesses two complementary shape representations: (i) an explicit representation via an atlas, i.e., embeddings of 2D domains into 3D; (ii) an implicit-function…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Omid Poursaeed , Matthew Fisher , Noam Aigerman , Vladimir G. Kim

We present IMU2Face, a gesture-driven facial reenactment system. To this end, we combine recent advances in facial motion capture and inertial measurement units (IMUs) to control the facial expressions of a person in a target video based on…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Justus Thies , Michael Zollhöfer , Matthias Nießner

Representing visual signals with implicit coordinate-based neural networks, as an effective replacement of the traditional discrete signal representation, has gained considerable popularity in computer vision and graphics. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Qing Wang

We present a method for reconstructing accurate and consistent 3D hands from a monocular video. We observe that detected 2D hand keypoints and the image texture provide important cues about the geometry and texture of the 3D hand, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zhigang Tu , Zhisheng Huang , Yujin Chen , Di Kang , Linchao Bao , Bisheng Yang , Junsong Yuan

Tracking and reconstructing the 3D pose and geometry of two hands in interaction is a challenging problem that has a high relevance for several human-computer interaction applications, including AR/VR, robotics, or sign language…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Jiayi Wang , Franziska Mueller , Florian Bernard , Suzanne Sorli , Oleksandr Sotnychenko , Neng Qian , Miguel A. Otaduy , Dan Casas , Christian Theobalt

Human hands play a central role in interacting with other people and objects. For realistic replication of such hand motions, high-fidelity hand meshes have to be reconstructed. In this study, we firstly propose DeepHandMesh, a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Gyeongsik Moon , Takaaki Shiratori , Kyoung Mu Lee

Handwritten mathematical expression recognition aims to automatically generate LaTeX sequences from given images. Currently, attention-based encoder-decoder models are widely used in this task. They typically generate target sequences in a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Xiaohang Bian , Bo Qin , Xiaozhe Xin , Jianwu Li , Xuefeng Su , Yanfeng Wang

3D interacting hand reconstruction is essential to facilitate human-machine interaction and human behaviors understanding. Previous works in this field either rely on auxiliary inputs such as depth images or they can only handle a single…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yu Rong , Jingbo Wang , Ziwei Liu , Chen Change Loy

Human activity recognition in videos has been widely studied and has recently gained significant advances with deep learning approaches; however, it remains a challenging task. In this paper, we propose a novel framework that simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Dong-Gyu Lee , Seong-Whan Lee

Estimating 3D hand meshes from RGB images robustly is a highly desirable task, made challenging due to the numerous degrees of freedom, and issues such as self similarity and occlusions. Previous methods generally either use parametric 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Michael Seeber , Roi Poranne , Marc Polleyfeys , Martin R. Oswald