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Related papers: PhysRig: Differentiable Physics-Based Skinning and…

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We present a new method to bake classical facial animation blendshapes into a fast linear blend skinning representation. Previous work explored skinning decomposition methods that approximate general animated meshes using a dense set of…

Graphics · Computer Science 2024-07-08 Ladislav Kavan , John Doublestein , Martin Prazak , Matthew Cioffi , Doug Roble

Skeleton generation is essential for animating 3D assets, but current deep learning methods remain limited: they cannot handle the growing structural complexity of modern models and offer minimal controllability, creating a major bottleneck…

In this paper, we address the challenge of reconstructing general articulated 3D objects from a single video. Existing works employing dynamic neural radiance fields have advanced the modeling of articulated objects like humans and animals…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Chaoyue Song , Jiacheng Wei , Chuan-Sheng Foo , Guosheng Lin , Fayao Liu

Despite significant progress in 4D generation, rig and motion, the core structural and dynamic components of animation are typically modeled as separate problems. Existing pipelines rely on ground-truth skeletons and skinning weights for…

Rigging and skinning clothed human avatars is a challenging task and traditionally requires a lot of manual work and expertise. Recent methods addressing it either generalize across different characters or focus on capturing the dynamics of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Zhouyingcheng Liao , Vladislav Golyanik , Marc Habermann , Christian Theobalt

Traditional approaches based on finite element analyses have been successfully used to predict the macro-scale behavior of heterogeneous materials (composites, multicomponent alloys, and polycrystals) widely used in industrial applications.…

Materials Science · Physics 2022-11-24 Rajat Arora

Simulated virtual environments serve as one of the main driving forces behind developing and evaluating skill learning algorithms. However, existing environments typically only simulate rigid body physics. Additionally, the simulation…

Machine Learning · Computer Science 2021-04-08 Zhiao Huang , Yuanming Hu , Tao Du , Siyuan Zhou , Hao Su , Joshua B. Tenenbaum , Chuang Gan

Automatic estimation of skinning transformations is a popular way to deform a single reference shape into a new pose by providing a small number of control parameters. We generalize this approach by efficiently enabling the use of multiple…

Graphics · Computer Science 2016-09-27 Alon Shtern , Matan Sela , Ron Kimmel

Capturing and maintaining geometric interactions among different body parts is crucial for successful motion retargeting in skinned characters. Existing approaches often overlook body geometries or add a geometry correction stage after…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Zijie Ye , Jia-Wei Liu , Jia Jia , Shikun Sun , Mike Zheng Shou

We propose a reduced-space elasto-dynamic solver that is well suited for augmenting rigged character animations with secondary motion. At the core of our method is a novel deformation subspace based on Linear Blend Skinning that overcomes…

Although commercial and open-source software exist to reconstruct a static object from a sequence recorded with an RGB-D sensor, there is a lack of tools that build rigged models of articulated objects that deform realistically and can be…

Computer Vision and Pattern Recognition · Computer Science 2016-09-12 Dimitrios Tzionas , Juergen Gall

Differentiable rendering is a key ingredient for inverse rendering and machine learning, as it allows to optimize scene parameters (shape, materials, lighting) to best fit target images. Differentiable rendering requires that each scene…

Graphics · Computer Science 2024-09-10 Haocheng Yuan , Adrien Bousseau , Hao Pan , Chengquan Zhang , Niloy J. Mitra , Changjian Li

We present an algorithm that allows a user within a virtual environment to perform real-time unconstrained cuts or consecutive tears, i.e., progressive, continuous fractures on a deformable rigged and soft-body mesh model in…

Existing image-to-video generation methods often produce physically implausible motions and lack precise control over object dynamics. While prior approaches have incorporated physics simulators, they remain confined to 2D planar motions…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Tianyidan Xie , Zhentao Huang , Mingjie Wang , Xin Huang , Jun Zhou , Minglun Gong , Zili Yi

We study the problem of learning physical object representations for robot manipulation. Understanding object physics is critical for successful object manipulation, but also challenging because physical object properties can rarely be…

Robotics · Computer Science 2019-06-13 Zhenjia Xu , Jiajun Wu , Andy Zeng , Joshua B. Tenenbaum , Shuran Song

We present a novel formulation for mesh-free, reduced-order simulation of deformable hyperelastic objects. Existing work in reduced-order elastodynamic simulation represents the input geometry by either meshes, which can be difficult to…

Video Large Language Models (Video LLMs) have shown impressive performance across a wide range of video-language tasks. However, they often fail in scenarios requiring a deeper understanding of physical dynamics. This limitation primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Yu-Wei Zhan , Xin Wang , Hong Chen , Tongtong Feng , Wei Feng , Ren Wang , Guangyao Li , Qing Li , Wenwu Zhu

Physics-based simulation of mesh based domains remains a challenging task. State-of-the-art techniques can produce realistic results but require expert knowledge. A major bottleneck in many approaches is the step of integrating a potential…

Graphics · Computer Science 2023-11-07 Oshri Halimi , Egor Larionov , Zohar Barzelay , Philipp Herholz , Tuur Stuyck

Efficiently modeling relightable human avatars from sparse-view videos is crucial for AR/VR applications. Current methods use neural implicit representations to capture dynamic geometry and reflectance, which incur high costs due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jiacheng Wu , Ruiqi Zhang , Jie Chen , Hui Zhang

Recent advancements in large-scale generative models have significantly improved the quality and diversity of 3D shape generation. However, most existing methods focus primarily on generating static 3D models, overlooking the potentially…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Mingze Sun , Shiwei Mao , Keyi Chen , Yurun Chen , Shunlin Lu , Jingbo Wang , Junting Dong , Ruqi Huang