--You are among an elite group recognized for exceptional research performance demonstrated by production of multiple highly cited papers that rank in the top 1% by citations for field and year in Web of Science. The distinction you have earned derives from your peers, who have time and again acknowledged the influence of your research contributions in their publications and citations, says Clarivate Analytics in their release.
For the 2018 Highly Cited Researchers analysis, the papers surveyed were those published and cited during 2006- 2016 and which at the end of 2016 ranked in the top 1% by citations for their ESI field and year (the definition of a highly cited paper)
Selected publications and additional information:
Matti Pietikäinen (wikipedia)
Last updated: 17.12.2018