Discrete surface Ricci flow
This work introduces a unified framework for discrete surface Ricci flow algorithms, including
spherical, Euclidean, and hyperbolic Ricci flows, which can design Riemannian metrics on …
spherical, Euclidean, and hyperbolic Ricci flows, which can design Riemannian metrics on …
Ricci flow for 3D shape analysis
Ricci flow is a powerful curvature flow method, which is invariant to rigid motion, scaling,
isometric, and conformal deformations. We present the first application of surface Ricci flow …
isometric, and conformal deformations. We present the first application of surface Ricci flow …
Elastic shape matching of parameterized surfaces using square root normal fields
In this paper we define a new methodology for shape analysis of parameterized surfaces,
where the main issues are:(1) choice of metric for shape comparisons and (2) invariance to …
where the main issues are:(1) choice of metric for shape comparisons and (2) invariance to …
Elastic geodesic paths in shape space of parameterized surfaces
This paper presents a novel Riemannian framework for shape analysis of parameterized
surfaces. In particular, it provides efficient algorithms for computing geodesic paths which, in …
surfaces. In particular, it provides efficient algorithms for computing geodesic paths which, in …
Topology optimization of conformal structures on manifolds using extended level set methods (X-LSM) and conformal geometry theory
In this paper, we propose a new method to systematically address the issue of structural
shape and topology optimization on free-form surfaces. A free-form surface, also termed …
shape and topology optimization on free-form surfaces. A free-form surface, also termed …
A divide-and-conquer approach for automatic polycube map construction
Polycube map is a global cross-surface parameterization technique, where the polycube
shape can roughly approximate the geometry of modeled objects while retaining the same …
shape can roughly approximate the geometry of modeled objects while retaining the same …
Parameterization-invariant shape comparisons of anatomical surfaces
We consider 3-D brain structures as continuous parameterized surfaces and present a
metric for their comparisons that is invariant to the way they are parameterized. Past …
metric for their comparisons that is invariant to the way they are parameterized. Past …
Spectrally regularized surfaces
Y Gong - 2015 - research-collection.ethz.ch
Priors play an essential role in Bayesian theory, and they are frequently center stage in
scientific inference. In image processing, geometric priors became very popular in the past …
scientific inference. In image processing, geometric priors became very popular in the past …
Local weighted Gaussian curvature for image processing
Y Gong, IF Sbalzarini - 2013 IEEE International Conference on …, 2013 - ieeexplore.ieee.org
We present a variational model with local weighted Gaussian curvature as regularizer. We
show its convexity for an area-weight function and provide a closed-form solution for this …
show its convexity for an area-weight function and provide a closed-form solution for this …
Towards fine-grained optimal 3d face dense registration: An iterative dividing and diffusing method
Z Fan, S Peng, S Xia - International Journal of Computer Vision, 2023 - Springer
Dense vertex-to-vertex correspondence (ie registration) between 3D faces is a fundamental
and challenging issue for 3D &2D face analysis. While the sparse landmarks are definite …
and challenging issue for 3D &2D face analysis. While the sparse landmarks are definite …