Ji, Zhongping, Ma, Weiyin and Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766 2014. Bas-relief modeling from normal images with intuitive styles. IEEE Transactions on Visualization and Computer Graphics 20 (5) , pp. 675-685. 10.1109/TVCG.2013.267 |
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Abstract
Traditional 3D model-based bas-relief modeling methods are often limited to model-dependent and monotonic relief styles. This paper presents a novel method for digital bas-relief modeling with intuitive style control. Given a composite normal image, the problem discussed in this paper involves generating a discontinuity-free depth field with high compression of depth data while preserving or even enhancing fine details. In our framework, several layers of normal images are composed into a single normal image. The original normal image on each layer is usually generated from 3D models or through other techniques as described in this paper. The bas-relief style is controlled by choosing a parameter and setting a targeted height for them. Bas-relief modeling and stylization are achieved simultaneously by solving a sparse linear system. Different from previous work, our method can be used to freely design basreliefs in normal image space instead of in object space, which makes it possible to use any popular image editing tools for bas-relief modeling. Experiments with a wide range of 3D models and scenes show that our method can effectively generate digital bas-reliefs.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Computer Science & Informatics |
Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
Publisher: | IEEE |
ISSN: | 1077-2626 |
Funders: | EPSRC |
Date of First Compliant Deposit: | 28 October 2020 |
Date of Acceptance: | 24 November 2013 |
Last Modified: | 07 Nov 2023 07:14 |
URI: | https://orca.cardiff.ac.uk/id/eprint/58823 |
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