 Our main contribution is the selection of the regularisation parameter which, in contrast to existing approaches, it does not rely on further parameters which often have severe effects on the efficiency of EKI.
<clarity>  Our main contribution is the selection of the regularisation parameter which, in contrast to existing approaches, it does not rely on further parameters which often have severe effects on the efficiency of EKI.
 Our main contribution is the selection of the regularisation parameter which, in contrast to existing approaches, our parameter choice does not rely on further parameters which often have severe effects on the efficiency of EKI.