int labeling(LPDWORD image_in,LPDWORD image_label,int *cnt,char *buf);
void features(LPDWORD image_label_in,LPDWORD image_label_out,
			  int cnt,double size[],double ratio[],char *buf);
void ratio_extract(LPDWORD image_label_in,LPDWORD image_label_out,
				   int cnt,double ratio[],double ratio_min,double ratio_max);
void masking(LPDWORD image_in,LPDWORD image_out,LPDWORD image_mask);
void size_extract(LPDWORD image_label_in,LPDWORD image_label_out,
				  int cnt,double size[],double size_min,double size_max);