+ static const char FILTER_ABS_BANDLIMIT_STR[]= "abs_bandlimit";
+ static const char FILTER_ABS_SINC_STR[]= "abs_sinc";
+ static const char FILTER_ABS_COS_STR[]= "abs_cos";
+ static const char FILTER_ABS_HAMMING_STR[]= "abs_hamming";
+ static const char FILTER_SHEPP_STR[]= "shepp";
+ static const char FILTER_BANDLIMIT_STR[]= "bandlimit";
+ static const char FILTER_SINC_STR[]= "sinc";
+ static const char FILTER_COS_STR[]= "cos";
+ static const char FILTER_HAMMING_STR[]= "hamming";
+ static const char FILTER_TRIANGLE_STR[]= "triangle";
+
+ static const char DOMAIN_FREQ_STR[]= "freq";
+ static const char DOMAIN_SPATIAL_STR[]= "spatial";
+