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Method and system for scattered spherical harmonic approximation
Method and system for scattered spherical harmonic approximation
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机译:散射球谐函数近似的方法和系统
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摘要
A scattered spherical harmonic (SH) approximation method is proposed for pre-computation of SH coefficients at sampling vertices of an object to be rendered. The approach sparsely populates the object with a plurality of SH sampling vertices and uses the least squares approximation to calculate the SH coefficients at any (other) arbitrary point of the object by extrapolating from the computed SH coefficients at the SH sampling vertices.
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