maven does not install, but compile and build the binary distribution package. You may add
dcm4che/dcm4che-assembly/target/dcm4che-VERSION-bin/dcm4che-VERSION/bin
to you PATH, or
unzip dcm4che/dcm4che-assembly/target/dcm4che-5.23.2-bin.zip
to your preferred installation directory and include extracted
dcm4che-VESRION/bin
to you PATH.