This thesis describes the Generative Topographic Mapping (GTM) — a non-linear latent variable model, intended for modelling continuous, intrinsically low-dimensional probability distributions, ...
HAN DYNASTY TOPOGRAPHIC MAP. DATE: Before 168 B.C. MATERIAL: Ink on silk. DIMENSIONS: 3 feet by 3 feet. FOUND: Hunan, China. In 168 B.C., a lacquer box containing three maps drawn on silk was placed ...