Machine Learning, Data Science, Conditional Random Fields, Graphical Model, Handwriting Recognition.
Evidence structure and domain : Assume that random variables in set X are real valued vectors of size S i.e ∀ Xᵢ ϵ X, Xᵢ ϵ Rˢ. Let the length of CRF chain be L i.e. L labels and L evidence variables. Let βᵢ(Yᵢ, Yⱼ) = Wcc’ if Yᵢ = c, Yⱼ = c’ and j = i+1, 0 otherwise. Let β’ᵢ(Yᵢ, Xᵢ) = W’c . Xᵢ, if