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Authors: Bilal Ahmad ; Ivar Farup and Pål Floor

Affiliation: Department of Computer Science, Norwegian University of Science & Technology, 2815 Gjøvik, Norway

Keyword(s): Anisotropic Diffusion, Shape from Focus, 3D Reconstruction.

Abstract: Shape from focus is a monocular method that uses the camera’s focus as the primary indicator for depth estimation. The initial depth map is usually improved by penalizing the L2 regularizer as a smoothness constraint, which tends to smoothen the structural details due to linear diffusion. In this article, we propose an energy minimization-based framework to improve the initial depth map by utilizing a nonlinear, spatial technique, called anisotropic diffusion as a smoothness constraint, which is combined with a fidelity term that incorporates the focus values of the initial depth to enhance structural aspects of the observed scene. Experiments are conducted on synthetic and real datasets which demonstrate that the proposed method can significantly improve the depth maps.

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Paper citation in several formats:
Ahmad, B.; Farup, I. and Floor, P. (2024). Anisotropic Diffusion for Depth Estimation in Shape from Focus Systems. In Proceedings of the 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4: VISAPP; ISBN 978-989-758-679-8; ISSN 2184-4321, SciTePress, pages 85-89. DOI: 10.5220/0012303400003660

@conference{visapp24,
author={Bilal Ahmad. and Ivar Farup. and Pål Floor.},
title={Anisotropic Diffusion for Depth Estimation in Shape from Focus Systems},
booktitle={Proceedings of the 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4: VISAPP},
year={2024},
pages={85-89},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012303400003660},
isbn={978-989-758-679-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4: VISAPP
TI - Anisotropic Diffusion for Depth Estimation in Shape from Focus Systems
SN - 978-989-758-679-8
IS - 2184-4321
AU - Ahmad, B.
AU - Farup, I.
AU - Floor, P.
PY - 2024
SP - 85
EP - 89
DO - 10.5220/0012303400003660
PB - SciTePress

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