Inversion-free geometric map** construction: A survey

XM Fu, JP Su, ZY Zhao, Q Fang, C Ye, L Liu - Computational Visual Media, 2021 - Springer
A geometric map** establishes a correspondence between two domains. Since no real
object has zero or negative volume, such a map** is required to be inversion-free …

Constraining dense hand surface tracking with elasticity

B Smith, C Wu, H Wen, P Peluse, Y Sheikh… - ACM Transactions on …, 2020 - dl.acm.org
Many of the actions that we take with our hands involve self-contact and occlusion: shaking
hands, making a fist, or interlacing our fingers while thinking. This use of of our hands …

Foldover-free maps in 50 lines of code

V Garanzha, I Kaporin, L Kudryavtseva… - ACM Transactions on …, 2021 - dl.acm.org
Map** a triangulated surface to 2D space (or a tetrahedral mesh to 3D space) is an
important problem in geometry processing. In computational physics, untangling plays an …

Galaxy maps: Localized foliations for bijective volumetric map**

S Hinderink, M Campen - ACM Transactions on Graphics (TOG), 2023 - dl.acm.org
A method is presented to compute volumetric maps and parametrizations of objects over 3D
domains. As a key feature, continuity and bijectivity are ensured by construction. Arbitrary …

Real2sim: Visco-elastic parameter estimation from dynamic motion

D Hahn, P Banzet, JM Bern, S Coros - ACM Transactions on Graphics …, 2019 - dl.acm.org
This paper presents a method for optimizing visco-elastic material parameters of a finite
element simulation to best approximate the dynamic motion of real-world soft objects. We …

TinyAD: Automatic differentiation in geometry processing made simple

P Schmidt, J Born, D Bommes… - Computer graphics …, 2022 - Wiley Online Library
Non‐linear optimization is essential to many areas of geometry processing research.
However, when experimenting with different problem formulations or when prototy** new …

GIPC: Fast and stable Gauss-Newton optimization of IPC barrier energy

K Huang, FM Chitalu, H Lin, T Komura - ACM Transactions on Graphics, 2024 - dl.acm.org
Barrier functions are crucial for maintaining an intersection-and inversion-free simulation
trajectory but existing methods, which directly use distance can restrict implementation …

Discrete differential operators on polygonal meshes

F De Goes, A Butts, M Desbrun - ACM Transactions on Graphics (TOG), 2020 - dl.acm.org
Geometry processing of surface meshes relies heavily on the discretization of differential
operators such as gradient, Laplacian, and covariant derivative. While a variety of discrete …

[PDF][PDF] Isotropic ARAP Energy Using Cauchy-Green Invariants.

H Lin, FM Chitalu, T Komura - ACM Trans. Graph., 2022 - floydmchitalu.com
Isotropic ARAP, which is synonymous with the popular corotational model 1 [Chao et al.
2010; Hsieh 1977; McAdams et al. 2011; Rankin and Brogan 1986; Stomakhin et al. 2012] …

Geometric optimisation via spectral shifting

R Poya, R Ortigosa, T Kim - ACM Transactions on Graphics, 2023 - dl.acm.org
We present a geometric optimisation framework that can recover fold-over free maps from
non-injective initial states using popular flip-preventing distortion energies. Since flip …