6. The method of claim 1 , further comprising: constructing a hyperplane to provide a line of demarcation between a first region and second region, wherein the demarcation line is determined by edge distributions of the first region and the second region, each of the first and second region differing in intensity; and defining the digital image to be analyzed based on the demarcation line.
9. The method of claim 6 , defining a functional margin measured by a distance between the constructed hyperplane and a nearest feature point defined in the digital image.