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Efficient Image-Based Methods for Rendering Soft Shadows

Hard vs. Soft Shadows. Hard Shadows. Soft Shadows. Shadow maps. Image-based hard shadows [Williams 78]Time, memory depend on image size, not geometric scene complexityDisadvantage: bias and aliasing artifactsSoft shadows [Chen and Williams 93]View interpolate multiple shadow maps.

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Efficient Image-Based Methods for Rendering Soft Shadows

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