“…In this work, TV coefficients are expanded by multi-resolution cardinal B-splines wavelet series, and then the forward orthogonal least squares (OLS) algorithm [28]- [31], which have been proven to be a very effective to deal with multiple dynamical regressions problems, is applied to determine the forms in model (3). Detailed discussions -6 -of the procedure of the forward OLS can be found in [23], [28]- [31].…”