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Abstract:
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.
