Dynamic hyperbolic attention network for fine hand-object reconstruction

Z Leng, SC Wu, M Saleh… - Proceedings of the …, 2023 - openaccess.thecvf.com
Reconstructing both objects and hands in 3D from a single RGB image is complex. Existing
methods rely on manually defined hand-object constraints in Euclidean space, leading to …

FLASH: Fast landmark aligned spherical harmonic parameterization for genus-0 closed brain surfaces

PT Choi, KC Lam, LM Lui - SIAM Journal on Imaging Sciences, 2015 - SIAM
Surface registration between cortical surfaces is crucial in medical imaging for performing
systematic comparisons between brains. Landmark-matching registration that matches …

[PDF][PDF] Hyperbolic orbifold tutte embeddings.

N Aigerman, Y Lipman - ACM Trans. Graph., 2016 - wisdom.weizmann.ac.il
Tutte's embedding is one of the most popular approaches for computing parameterizations
of surface meshes in computer graphics and geometry processing. Its popularity can be …

Studying ventricular abnormalities in mild cognitive impairment with hyperbolic Ricci flow and tensor-based morphometry

J Shi, CM Stonnington, PM Thompson, K Chen… - Neuroimage, 2015 - Elsevier
Abstract Mild Cognitive Impairment (MCI) is a transitional stage between normal aging and
dementia and people with MCI are at high risk of progression to dementia. MCI is attracting …

Large deformation multiresolution diffeomorphic metric mapping for multiresolution cortical surfaces: a coarse-to-fine approach

M Tan, A Qiu - IEEE Transactions on Image Processing, 2016 - ieeexplore.ieee.org
Brain surface registration is an important tool for characterizing cortical anatomical variations
and understanding their roles in normal cortical development and psychiatric diseases …

Conformal mesh parameterization using discrete Calabi flow

H Zhao, X Li, H Ge, N Lei, M Zhang, X Wang… - … Aided Geometric Design, 2018 - Elsevier
In this paper, we introduce discrete Calabi flow to the graphics research community and
present a novel conformal mesh parameterization algorithm. Calabi energy has a succinct …

Efficient feature-based image registration by mapping sparsified surfaces

CP Yung, GPT Choi, K Chen, LM Lui - Journal of Visual Communication …, 2018 - Elsevier
With the advancement in the digital camera technology, the use of high resolution images
and videos has been widespread in the modern society. In particular, image and video …

Automatic and robust skull registration based on discrete uniformization

J Zhao, X Qi, C Wen, N Lei… - Proceedings of the IEEE …, 2019 - openaccess.thecvf.com
Skull registration plays a fundamental role in forensic science and is crucial for craniofacial
reconstruction. The complicated topology, lack of anatomical features, and low quality …

Shape analysis with hyperbolic wasserstein distance

J Shi, W Zhang, Y Wang - Proceedings of the IEEE …, 2016 - openaccess.thecvf.com
Shape space is an active research field in computer vision study. The shape distance
defined in a shape space may provide a simple and refined index to represent a unique …

Hyperbolic harmonic mapping for surface registration

R Shi, W Zeng, Z Su, J Jiang, H Damasio… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Automatic computation of surface correspondence via harmonic map is an active research
field in computer vision, computer graphics and computational geometry. It may help …