Improving the Recognition Performance of Moment Features by Selection - Feature Selection for Data and Pattern Recognition - page 308

Fig. 13.4 Basis images of the discrete orthogonal Tchebichef moments

stated regarding the description capabilities of different moment orders. The corre-
sponding basis images for the case of the discrete orthogonal moments are illustrated
in Figs. 13.4 , 13.5 and 13.6 .

Fig. 13.5 Basis images of the discrete orthogonal Krawtchouk ( p 1 = p 2 = 0 . 5 ) moments