Update README.md

README.md

 This project has it's home page on https://gait.fi.muni.cz, where one finds publications 
 documenting this framework and database. Details related to the framework are in the
-paper (preprint on arXiv:1701.00995):
+paper (preprint on https://arxiv.org/abs/1701.00995):
     An Evaluation Framework and Database for MoCap-Based Gait Recognition Methods
     Michal Balazia, Petr Sojka
-    13 pages. Full paper published at the 1st IAPR Workshop on Reproducible 
+    15 pages. Full paper published at the 1st IAPR Workshop on Reproducible 
     Research in Pattern Recognition, Cancun, Mexico, December 2016.
-
+    DOI: <a href="https://doi.org/10.1007/978-3-319-56414-2_3">10.1007/978-3-319-56414-2_3</a>
 Read the Section 5 of this paper to reproduce the gait recognition evaluation and
 use the gait database for comparison. 
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