Browsing SCA 2023: Eurographics/SIGGRAPH Symposium on Computer Animation by Title
Now showing items 1-20 of 22
-
ACT2G: Attention-based Contrastive Learning for Text-to-Gesture Generation
(ACM Association for Computing Machinery, 2023)Recent increase of remote-work, online meeting and tele-operation task makes people find that gesture for avatars and communication robots is more important than we have thought. It is one of the key factors to achieve ... -
Adaptive Rigidification of Discrete Shells
(ACM Association for Computing Machinery, 2023)We present a method to improve the computation time of thin shell simulations by using adaptive rigidification to reduce the number of degrees of freedom. Our method uses a discretization independent metric for bending ... -
A comparison of linear consistent correction methods for first-order SPH derivatives
(ACM Association for Computing Machinery, 2023)Awell-known issue with the widely used Smoothed Particle Hydrodynamics (SPH) method is the neighborhood deficiency. Near the surface, the SPH interpolant fails to accurately capture the underlying fields due to a lack of ... -
DiffXPBD : Differentiable Position-Based Simulation of Compliant Constraint Dynamics
(ACM Association for Computing Machinery, 2023)We present DiffXPBD, a novel and efficient analytical formulation for the differentiable position-based simulation of compliant constrained dynamics (XPBD). Our proposed method allows computation of gradients of numerous ... -
An Eigenanalysis of Angle-Based Deformation Energies
(ACM Association for Computing Machinery, 2023)Angle-based energies appear in numerous physics-based simulation models, including thin-shell bending and isotropic elastic strands. We present a generic analysis of these energies that allows us to analytically filter the ... -
A Generalized Constitutive Model for Versatile MPM Simulation and Inverse Learning with Differentiable Physics
(ACM Association for Computing Machinery, 2023)We present a generalized constitutive model for versatile physics simulation of inviscid fluids, Newtonian viscosity, hyperelasticity, viscoplasticity, elastoplasticity, and other physical effects that arise due to a mixture ... -
HDHumans: A Hybrid Approach for High-fidelity Digital Humans
(ACM Association for Computing Machinery, 2023)Photo-real digital human avatars are of enormous importance in graphics, as they enable immersive communication over the globe, improve gaming and entertainment experiences, and can be particularly beneficial for AR and ... -
Hierarchical Planning and Control for Box Loco-Manipulation
(ACM Association for Computing Machinery, 2023)Humans perform everyday tasks using a combination of locomotion and manipulation skills. Building a system that can handle both skills is essential to creating virtual humans. We present a physically-simulated human capable ... -
Lifted Curls: A Model for Tightly Coiled Hair Simulation
(ACM Association for Computing Machinery, 2023)We present an isotropic, hyperelastic model specifically designed for the efficient simulation of tightly coiled hairs whose curl radii approach 5 mm. Our model is robust to large bends and torsions, even when they appear ... -
A Linear and Angular Momentum Conserving Hybrid Particle/Grid Iteration for Volumetric Elastic Contact
(ACM Association for Computing Machinery, 2023)We present a momentum conserving hybrid particle/grid iteration for resolving volumetric elastic collision. Our hybrid method uses implicit time stepping with a Lagrangian finite element discretization of the volumetric ... -
MAAIP: Multi-Agent Adversarial Interaction Priors for imitation from fighting demonstrations for physics-based characters
(ACM Association for Computing Machinery, 2023)Simulating realistic interaction and motions for physics-based characters is of great interest for interactive applications, and automatic secondary character animation in the movie and video game industries. Recent works ... -
Micropolar Elasticity in Physically-Based Animation
(ACM Association for Computing Machinery, 2023)We explore micropolar materials for the simulation of volumetric deformable solids. In graphics, micropolar models have only been used in the form of one-dimensional Cosserat rods, where a rotating frame is attached to ... -
Motion In-Betweening with Phase Manifolds
(ACM Association for Computing Machinery, 2023)This paper introduces a novel data-driven motion in-betweening system to reach target poses of characters by making use of phases variables learned by a Periodic Autoencoder. Our approach utilizes a mixture-of-experts ... -
A Multilevel Active-Set Preconditioner for Box-Constrained Pressure Poisson Solvers
(ACM Association for Computing Machinery, 2023)Efficiently solving large-scale box-constrained convex quadratic programs (QPs) is an important computational challenge in physical simulation.We propose a new multilevel preconditioning scheme based on the active-set ... -
NeuroDog: Quadruped Embodiment using Neural Networks
(ACM Association for Computing Machinery, 2023)Virtual reality (VR) allows us to immerse ourselves in alternative worlds in which we can embody avatars to take on new identities. Usually, these avatars are humanoid or possess very strong anthropomorphic qualities. ... -
Physical Cyclic Animations
(ACM Association for Computing Machinery, 2023)We address the problem of synthesizing physical animations that can loop seamlessly. We formulate a variational approach by deriving a physical law in a periodic time domain. The trajectory of the animation is represented ... -
Physics-based Motion Retargeting from Sparse Inputs
(ACM Association for Computing Machinery, 2023)Avatars are important to create interactive and immersive experiences in virtual worlds. One challenge in animating these characters to mimic a user’s motion is that commercial AR/VR products consist only of a headset and ... -
Proceedings Information
(ACM, 2023) -
Too Stiff, Too Strong, Too Smart: Evaluating Fundamental Problems with Motion Control Policies
(ACM Association for Computing Machinery, 2023)Deep reinforcement learning (DRL) methods have demonstrated impressive results for skilled motion synthesis of physically based characters, and while these methods perform well in terms of tracking reference motions or ... -
Towards Realtime: A Hybrid Physics-based Method for Hair Animation on GPU
(ACM Association for Computing Machinery, 2023)This paper introduces a hair simulator optimized for real-time applications, including console and cloud gaming, avatar live-streaming, and metaverse environments. We view the collisions between strands as a mechanism to ...