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Authors: Thiago Pereira and Luiz Velho

Affiliation: Instituto de Matematica Pura e Aplicada, Brazil

Keyword(s): RGBN, Texture synthesis, Normal map, Filtering.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Surface Modeling ; Texture Models, Analysis, and Synthesis

Abstract: In this work, we synthesize normals and color to add geometric details to an RGBN image (image with a color and a normal channel). Existing modeling and image processing tools are not apt to edit RGBN images directly. Since high resolution RGBN images can be obtained using photometric stereo, we used them as full models and as exemplars in a Texture from Example synthesis. Our method works on RGBN images by combining the normals from two bands: base shape and details. We use a high pass filter to extract a texture exemplar, which is synthesized over the model’s smooth normals, taking into account foreshortening corrections. We also discuss conditions on the exemplars and models that guarantee that the resulting normal image is a realizable surface.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Pereira, T. and Velho, L. (2010). NORMAL SYNTHESIS ON RGBN IMAGES. In Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP; ISBN 978-989-674-026-9; ISSN 2184-4321, SciTePress, pages 13-20. DOI: 10.5220/0002813800130020

@conference{grapp10,
author={Thiago Pereira. and Luiz Velho.},
title={NORMAL SYNTHESIS ON RGBN IMAGES},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP},
year={2010},
pages={13-20},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002813800130020},
isbn={978-989-674-026-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP
TI - NORMAL SYNTHESIS ON RGBN IMAGES
SN - 978-989-674-026-9
IS - 2184-4321
AU - Pereira, T.
AU - Velho, L.
PY - 2010
SP - 13
EP - 20
DO - 10.5220/0002813800130020
PB - SciTePress