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Programmable Style for NPR Line Drawing
(The Eurographics Association, 2004)
This paper introduces a programmable approach to non-photorealistic line drawing from 3D models, inspired by programmable shaders in traditional rendering. We propose a new image creation model where all operations are ...
Spherical Harmonic Gradients for Mid-Range Illumination
(The Eurographics Association, 2004)
Spherical harmonics are often used for compact description of incident radiance in low-frequency but distant lighting environments. For interaction with nearby emitters, computing the incident radiance at the center of an ...