Automatic feature extraction and classification algorithm of echo signal of ground penetrating radar is presented. Dyadic wavelet transform and the average ener
We cleveloped a high-speed information retrieval system. The system hased on the IXP 2800 is one of the dedicute device. The velocily of the information retriev
Nonnegative matrix factorization (NMF) is a method to get parts-based features of information and form the typical profiles.But the basis vectors NMF gets are n