As mentioned earlier in Section 9.7, the microfacet BRDF framework does not account for light that is reflected (“bounced”) from the microsurface multiple times. This simplification causes some energy
本节将介绍几大: 贪心搜索(greedy search)策略 穷举搜索(exhaustive search) 束搜索(beam search) 9.8.1 贪心搜索 贪心搜索已用于上一节的序列预测。对于输出序列的每一时间步 t ′ t' t′,都从 Y \boldsymbol{Y} Y 中找到具有最高条件概率的词元,即: y t ′ = arg max y ∈ Y P