A Caltech Library Service

Computing Quasi-Conformal Folds

Qiu, Di and Lam, Ka-Chun and Lui, Lok-Ming (2019) Computing Quasi-Conformal Folds. SIAM Journal on Imaging Sciences, 12 (3). pp. 1392-1424. ISSN 1936-4954. doi:10.1137/18m1220042.

[img] PDF - Published Version
See Usage Policy.

[img] PDF - Submitted Version
See Usage Policy.


Use this Persistent URL to link to this item:


Computing surface folding maps has numerous applications ranging from computer graphics to material design. In this work we propose a novel way of computing surface folding maps via solving a linear PDE. This framework is a generalization of the existing computational quasi-conformal geometry and allows precise control of the geometry of folding. This property comes from a crucial quantity that occurs as the coefficient of the equation, namely, the alternating Beltrami coefficient. This approach also enables us to solve an inverse problem of parametrizing the folded surface given only partial data with known folding topology. Various interesting applications such as fold sculpting on 3 dimensional models, study of Miura-ori patterns, and self-occlusion reasoning are demonstrated to show the effectiveness of our method.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Alternate Title:Computing quasiconformal folds
Additional Information:© 2019 Society for Industrial and Applied Mathematics. Received by the editors October 10, 2018; accepted for publication (in revised form) May 2, 2019; published electronically August 13, 2019. Funding: The work of the authors was supported by the Hong Kong Research Grants Council GRF project 2130549. The first author would like to thank Mr. Leung Liu Yusan and Dr. Emil Saucan for some useful help and discussions in the early stage of this work. The examples' meshes are generated by the software Triangle [20].
Funding AgencyGrant Number
Hong Kong Research Grants Council2130549
Subject Keywords:Beltrami equation, quasi-conformal geometry, mathematical origami, fold modeling
Issue or Number:3
Classification Code:AMS subject classifications: 65D18, 68U05, 65D17
Record Number:CaltechAUTHORS:20191017-145048101
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:99338
Deposited By: Tony Diaz
Deposited On:19 Oct 2019 04:42
Last Modified:16 Nov 2021 17:45

Repository Staff Only: item control page