Abstract A cataract is lens opacification caused by protein denaturation which leads to a decrease in vision and even results in complete blindness at later stages. The concept of a classification system of automatic cataract detecting based on retin…
Principal Component Analysis(PCA) algorithm summary mean normalization(ensure every feature has sero mean) Sigma = 1/m∑(xi)(xi)T [U,S,V] = svd(Sigma) ureduce = u(:,1:K) Z = ureduce ' * X Pick smallest value of k for which ∑ki=1 Sii / ∑i=mi=1 Sii >…