VAE:Compute Pe(x) Pe(x) P9()= P(z)Pe(xIz)dz Network )- G(Z)=x G(z)+x G(z)=x 可能會幾乎都是0⑧ Network Pe(x|z) G(Z) exp(-G(z)-xll2) G(Z)=x Mean of Gaussian VAE: Compute 𝑃𝜃 𝑥 Network 𝑧 𝑥 𝑃𝜃 𝑥 𝜃 𝐺 𝑧 = 𝑥 𝑃𝜃 𝑥 = න 𝑧 𝑃 𝑧 𝑃𝜃 𝑥|𝑧 𝑑𝑧 𝑃𝜃 𝑥|𝑧 = ቊ 1, 𝐺 𝑧 = 𝑥 0, 𝐺 𝑧 ≠ 𝑥 可能會幾乎都是 0  𝑧 Network 𝐺 𝑧 = 𝑥 𝐺 𝑧 Mean of Gaussian ∝ 𝑒𝑥𝑝 − 𝐺 𝑧 − 𝑥 2 𝑃𝜃 𝑥|𝑧