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Journal Article

A Framework for Digital Sunken Relief Generation Based on 3D Geometric Models


Kerber,  Jens
Computer Graphics, MPI for Informatics, Max Planck Society;

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Wang, M., Chang, J., Kerber, J., & Zhang, J. (2012). A Framework for Digital Sunken Relief Generation Based on 3D Geometric Models. The Visual Computer, 28(11), 1127-1137. doi:10.1007/s00371-011-0663-y.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-162B-B
Sunken relief is a special art form of sculpture whereby the depicted shapes are sunk into a given surface. This is traditionally created by laboriously carving materials such as stone. Sunken reliefs often utilize the engraved lines or strokes to strengthen the impressions of a 3D presence and to highlight the features which otherwise are unrevealed. In other types of relief, smooth surfaces and their shadows convey such information in a coherent manner. Existing methods for relief generation are focused on forming a smooth surface with a shallow depth which provides the presence of 3D figures. Such methods unfortunately do not help the art form of sunken reliefs as they omit the presence of feature lines.We propose a framework to produce sunken reliefs from a known 3D geometry, which transforms the 3D objects into three layers of input to incorporate the contour lines seamlessly with the smooth surfaces. The three input layers take the advantages of the geometric information and the visual cues to assist the relief generation. We have modified the existing techniques of line drawings and relief generation, and then combine them organically for this particular purpose.