Multi-level thresholding and its application to feature extraction in machine parts

In this work an extension of an iterative technique for the thresholding of a given image using a single-level threshold to multi-level thresholding is presented. The technique is applied on images of machine parts and the features are extracted by border-following. The results of the multi-level thresholding and a comparison with results obtained by single-level thresholding are also presented.