Yinling Qian
Hanqiu Sun
ABSTRACT
Solid textures exhibit several benefits over traditional texture mapping, such as no demanding for parameterization and providing internal information. However, the difficulty in accessing and high memory consumption seriously limit the usage of solid textures. We present an efficient approach to directly synthesize vector solid textures comprising 3D particles from 2D examples. Two-scale shaping model is introduced to automatically and accurately reconstruct 3D particle outlines from 2D cross sections. Low frequency spherical harmonics are used to morph smooth outlines while high frequency ones model particle surface details. These outlines are further converted to signed distance field grids for vector representation. Particle volume color is represented by radial basis functions. We arrange particles using simplified particle proxies to improve efficiency. Particles' position offsets are calculated according to the particle itself and one-ring neighbor particles' shapes iteratively. Finally, our cell-building algorithm constructs containers and computes scale for each particle instance. Experiments show that our algorithm can generate vector solid textures with plausible 3D particles.
Supplemental Material
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Supplemental files.
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Index Terms
- Vector solid texture synthesis using two-scale shaping model
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