Yes Slantlet transform can be used, because it's nothing but modified DWT, wherever wavelet works, Slantlet can work. For more details refer to "Slantlet A nonrigid registration of MR breast images using complex-valued wavelet transform" by
Mainardi L, Passera KM, Lucesoli A, Vergnaghi D, Trecate G, Setti E, Musumeci R, Cerutti S.