improve regression test and add a check on the deviasion of reconstructed targets
improve regression test and add a check on the deviasion of reconstructed targets

olifre/root,olifre/root,karies/root,karies/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,karies/root,karies/root,karies/root,olifre/root,karies/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,karies/root,karies/root,olifre/root,karies/root,olifre/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root