Robust and automatic segmentation of a class of fuzzy edge images Online publication date: Sat, 21-Mar-2015
by ZhenZhou Wang, YuMing Zhang
International Journal of Modelling, Identification and Control (IJMIC), Vol. 12, No. 1/2, 2011
Abstract: This paper concerns the segmentation of a class of images which consist of a background region, a fuzzy/blurry edge region, and an object region. In this class of images, the greyness gradually changes from the background region to the object region. To appropriately segment this class of images, the authors propose to model the fuzzy edge region using double-thresholds. In addition, a probability is assigned to each pixel in the fuzzy edge region for its membership to the object based on the differences between its greyness to the thresholds. To be robust, a statistical method, namely the maximum slope difference principle, is used to obtain optimal estimates of the thresholds automatically. Metal transfer images acquired from gas metal arc welding are used to demonstrate the algorithm and its effectiveness.
Online publication date: Sat, 21-Mar-2015
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