Emission process resulting from a special combination of independent Markovian emissions

What is it about?

In this work, we are interested in HMMs whose emission process results from a combination of independent Markov chains. Principally, we assume that the emission process evolves as follows: given a hidden state realization k at time t, an emission is a realization of a Markov chain Y^k_t at time t, and for two different hidden states k and k′, Y^k_t and Y^k′_t are assumed independent

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