“Differentiable Heightfield Path Tracing With Accelerated Discontinuities” by Tong, Liu, Gingold and Jacobson

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    Differentiable Heightfield Path Tracing With Accelerated Discontinuities

Session/Category Title: Inverse Rendering: Does Anybody Know How I Got Here?


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Abstract:


    We proposed a novel method for differentiable rendering of heightfields by using maximum mipmap to accelerate discontinuity searching in the backward pass. Our differentiable renderer achieves real-time frame rates and unlocks interactive inverse rendering applications. We demonstrate our method with terrain optimization, geometric illusions, shadow optimization, and text-based shape generation.


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