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Articulation modeling enables robots to learn joint parameters of articulated objects for effective manipulation which can then be used downstream for skill learning or planning. Existing approaches often rely on prior knowledge about the…

Robotics · Computer Science 2026-02-04 Anmol Gupta , Weiwei Gu , Omkar Patil , Jun Ki Lee , Nakul Gopalan

It can be easy and even fun to sketch humans in different poses. In contrast, creating those same poses on a 3D graphics "mannequin" is comparatively tedious. Yet 3D body poses are necessary for various downstream applications. We seek to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Gizem Unlu , Mohamed Sayed , Gabriel Brostow

3D Reconstruction of moving articulated objects without additional information about object structure is a challenging problem. Current methods overcome such challenges by employing category-specific skeletal models. Consequently, they do…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Hao Zhang , Fang Li , Samyak Rawlekar , Narendra Ahuja

Animatable 3D assets, defined as geometry equipped with an articulated skeleton and skinning weights, are fundamental to interactive graphics, embodied agents, and animation production. While recent 3D generative models can synthesize…

In many real-world settings, image observations of freely rotating 3D rigid bodies may be available when low-dimensional measurements are not. However, the high-dimensionality of image data precludes the use of classical estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Justice Mason , Christine Allen-Blanchette , Nicholas Zolman , Elizabeth Davison , Naomi Ehrich Leonard

Markerless motion capture has become an active field of research in computer vision in recent years. Its extensive applications are known in a great variety of fields, including computer animation, human motion analysis, biomedical…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Doan Duy Vo , Russell Butler

In this work we propose a novel solution for 3D skeleton-based human motion prediction. The objective of this task consists in forecasting future human poses based on a prior skeleton pose sequence. This involves solving two main challenges…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Baptiste Chopin , Naima Otberdout , Mohamed Daoudi , Angela Bartolo

Human character animation is often critical in entertainment content production, including video games, virtual reality or fiction films. To this end, deep neural networks drive most recent advances through deep learning and deep…

Graphics · Computer Science 2021-11-24 L. Mourot , L. Hoyet , F. Le Clerc , François Schnitzler , Pierre Hellier

Reconstructing 3D human shapes from 2D images has received increasing attention recently due to its fundamental support for many high-level 3D applications. Compared with natural images, freehand sketches are much more flexible to depict…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Fei Wang , Kongzhang Tang , Hefeng Wu , Baoquan Zhao , Hao Cai , Teng Zhou

We investigate how a residual network can learn to predict the dynamics of interacting shapes purely as an image-to-image regression task. With a simple 2d physics simulator, we generate short sequences composed of rectangles put in motion…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 François Fleuret

With the explosive growth of 3D content creation, there is an increasing demand for automatically converting static 3D models into articulation-ready versions that support realistic animation. Traditional approaches rely heavily on manual…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Chaoyue Song , Jianfeng Zhang , Xiu Li , Fan Yang , Yiwen Chen , Zhongcong Xu , Jun Hao Liew , Xiaoyang Guo , Fayao Liu , Jiashi Feng , Guosheng Lin

We present a novel learning method to predict the cloth deformation for skeleton-based characters with a two-stream network. The characters processed in our approach are not limited to humans, and can be other skeletal-based representations…

Graphics · Computer Science 2023-05-31 Yudi Li , Min Tang , Yun Yang , Ruofeng Tong , Shuangcai Yang , Yao Li , Bailin An , Qilong Kou

Recovering 3D human pose from 2D joints is a highly unconstrained problem. We propose a novel neural network framework, PoseNet3D, that takes 2D joints as input and outputs 3D skeletons and SMPL body model parameters. By casting our…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Shashank Tripathi , Siddhant Ranade , Ambrish Tyagi , Amit Agrawal

We propose an approach to predict the 3D shape and pose for the objects present in a scene. Existing learning based methods that pursue this goal make independent predictions per object, and do not leverage the relationships amongst them.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 Nilesh Kulkarni , Ishan Misra , Shubham Tulsiani , Abhinav Gupta

Modeling a 3D volumetric shape as an assembly of decomposed shape parts is much more challenging, but semantically more valuable than direct reconstruction from a full shape representation. The neural network needs to implicitly learn part…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Chengzhi Wu , Junwei Zheng , Julius Pfrommer , Jürgen Beyerer

We present a novel volumetric animation generation framework to create new types of animations from raw 3D surface or point cloud sequence of captured real performances. The framework considers as input time incoherent 3D observations of a…

Graphics · Computer Science 2016-01-14 Benjamin Allain , Li Wang , Jean-Sebastien Franco , Franck Hetroy , Edmond Boyer

We propose a learning based method for generating new animations of a cartoon character given a few example images. Our method is designed to learn from a traditionally animated sequence, where each frame is drawn by an artist, and thus the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Omid Poursaeed , Vladimir G. Kim , Eli Shechtman , Jun Saito , Serge Belongie

A key step towards understanding human behavior is the prediction of 3D human motion. Successful solutions have many applications in human tracking, HCI, and graphics. Most previous work focuses on predicting a time series of future 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Yan Zhang , Michael J. Black , Siyu Tang

Recent 3D generative models can synthesize high-quality assets, but their outputs are typically static: they lack the skeletal rigs, joint hierarchies, and skinning weights required for animation. This limits their use in games, film,…

Graphics · Computer Science 2026-05-14 Nikitas Chatzis , Marios Loizou , Evangelos Kalogerakis

Graph convolutional networks have significantly improved 3D human pose estimation by representing the human skeleton as an undirected graph. However, this representation fails to reflect the articulated characteristic of human skeletons as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Wenbo Hu , Changgong Zhang , Fangneng Zhan , Lei Zhang , Tien-Tsin Wong