sprintf ((char *) buf, " Field Unblend Thresh:%d",_param->threshold);
sprintf ((char *) buf, " Field Unblend Thresh:%d Noise:%d",_param->threshold,_param->noise);
char *vidFieldUnblend::printConf (void){  static char buf[50];  sprintf ((char *) buf, " Field Unblend Thresh:%d",_param->threshold);  return buf;}