確率的集団符号化 (probabilistic population coding)
確率的集団符号化 (probabilistic population coding)#
Distributional Population Coding or distributed distributional codes (DDCs)
ポアソン分布
\[
P(X=k)={\frac {e^{-\lambda} \lambda^k}{k!}}
\]
より，
\[
p(y \mid \mathbf{x}) \propto \prod_{i} \frac{e^{-f_{i}(y)} f_{i}(y)^{x_{i}}}{x_{i} !} p(y)
\]