Contour tracing of grey-scale images based on 2-D histograms

摘要

This paper describes two methods for tracing the contour line of a digitized grey-scale object by following the estimated contour path directly on the grey-scale image. This search is performed by classifying the potential next contour points as belonging or not belonging to the contour. Experimental results are reported, showing the satisfactory performance and the advantages of both methods.