Use of GMM and SCMS for Accurate Road Centerline Extraction from the Classified Image

Algorithm 1

Image partition using GMM.

Input: The classified image.

Output: The mean and covariance matrix .

()   Compute the spatial cluster number using (6).

()   Initial the parameters of EM using -Means.

()   Run the EM algorithm to segment the classified image until convergence.

()    for    do

()    compute the mean and covariance matrix of th Gaussian.

()    end for