Daniel Adolfsson Martin Magnusson 0002 Qianfang Liao Achim J. Lilienthal Henrik Andreasson CorAl - Are the point clouds Correctly Aligned? 1-7 2021 ECMR https://doi.org/10.1109/ECMR50962.2021.9568846 conf/ecmr/2021 db/conf/ecmr/ecmr2021.html#AdolfssonMLLA21