Abstract

An attempt is made in this note to investigate the effect on edge extraction when the theory of HVS (human visual system) based thresholding [1] is made to operate on the intensity domain of a grey tone image. A family of S and S −1 functions is considered to take care of the grey level to intensity transformation. The performance of the systems is also quantitatively analysed using the measure ‘entropy’ of a fuzzy set.

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