Funding for this research was provided by:
Fraunhofer Institute for Computer Graphics Research (IGD)
Text and Data Mining valid from 2021-04-06
Version of Record valid from 2021-04-06
Article History
Received: 25 May 2020
Accepted: 19 January 2021
First Online: 6 April 2021
Competing interests
: The authors declare that they have no competing interests.