Survey
A survey of thresholding techniques

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Abstract

In digital image processing, thresholding is a well-known technique for image segmentation. Because of its wide applicability to other areas of the digital image processing, quite a number of thresholding methods have been proposed over the years. In this paper, we present a survey of thresholding techniques and update the earlier survey work by Weszka (Comput. Vision Graphics & Image Process 7, 1978, 259–265) and Fu and Mu (Pattern Recognit. 13, 1981, 3–16). We attempt to evaluate the performance of some automatic global thresholding methods using the criterion functions such as uniformity and shape measures. The evaluation is based on some real world images.

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    This work was supported by the Natural Sciences and Engineering Research Council, Canada, under Grants A4716 and G1367.

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