Separable 2D dyadic wavelet and its applications in contour detection of handwriting

Separable 2D dyadic wavelets can be constructed by one dimensional dyadic wavelet, which have been done by some researchers but they are not constructed in a uniform way. A general rule they abide by is stated in this paper. This paper further investigates application of a 2D dyadic wavelet in contour detection of handwriting, where traditional modulus maxima method is discussed, and a new connecting method of step-structure edge points is suggested. Some test examples are given.