hidden Markov model
Technical term in computing and statistics; refers to a statistical model where the system being modeled is assumed to be a Markov process with unobservable states.
Hidden Markov models are often used in speech recognition.
Loanword from English 'hidden Markov model'; 隠れ is the Japanese translation of 'hidden', and マルコフモデル is a direct borrowing of 'Markov model'.