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Specular Lobe‐Aware Filtering and Upsampling for Interactive Indirect Illumination
(Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
Although geometry‐aware filtering and upsampling have often been used for interactive or real‐time rendering, they are unsuitable for glossy surfaces because shading results strongly depend on the bidirectional reflectance ...