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Generalized E-filter and its application to edge detection

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2 Author(s)
Saito, N. ; Schlumberger-Doll Res., Ridgefield, CT, USA ; Cunningham, M.A.

The E-filter is a homomorphic filter proposed by D.J.H. Moore and D.J. Parker (1973) which differentiates the small and large amplitude components of a signal. A description is given of a generalization of the E-filter to include a control parameter. Selective tuning of this parameter causes the behavior of the E-filter to range from linear to highly nonlinear. It is found that the E-filter can be simply implemented and has several properties which make it attractive for use in edge detection problems. The superiority of the E-filter to sale-space filtering for edge detection in one-dimensional systems is shown

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:12 ,  Issue: 8 )