Scale-, rotation-, and shift-invariant wavelet transforms
Oleg Rashkovskiy, Lev S. Sadovnik, Nicholas P. Caviris · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1994
In this paper we present a class of nonlinear wavelet transforms (WT) that are invariant under scale, rotation, and shift transformation of the input image. We provide an analytical proof of the invariance property of the WT as well as numerical simulation supporting this concept.