Research on anti-symmetrical biorthogonal wavelet applied to medical image enhancement
Ausiman Abudurusuli · Transducer and Microsystem Technologies · 2013
Differential operator function of the dyadic wavelet and anti-symmetrical biorthogonal wavelet is discussed,so as to derive that anti-symmetrical biorthogonal also has the translation invariance as dyadic wavelet.A method using anti-symmetrical biorthogonal filter for image enhancement is proposed.Experiments show that using anti-symmetrical biorthogonal filter to enhance medical image can not only keeps translation invariance but also accelerate speed.At the same time,evaluation index of image enhancement equal and above the result of using dyadic wavelet for image enhancement.