/usr/lib/libdcmjpeg.so is in libdcmtk2-dev 3.6.0-15+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libdcmjpeg.so.2.0.0
/usr/lib/libdcmjpeg.so.2.0.0