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Lecture 13: Global Illumination and Path Tracing (30)

How are we able to substitute the transport function into our rendering equation to express it in the form as it is at the bottom of the slide


@arjun If you look carefully, we see that the Li(p,ωi)L_i(p, \omega_i) term in the first equation of the slide is replaced by L0(tr(p,ωi),ωi)L_0(tr(p, \omega_i), - \omega_i) in the boxed equation. This is exactly the equation we derived using the transport function. tr()tr() here is the transport function.

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