He obtained a PhD in computer science in 2011 from University of La Rochelle, France on historical document images analysis and indexing. His main research interests are related to digital humanities, working with history scholars on the one hand, and combining semantic and image processing for fraud detection in administrative documents on the other. He published more than 50 papers and organized various international competitions. Recently, he managed Tourinfluxa large national project on touristic information analysis (4 partners, € 2.3M), and he currently leads a European project (ERA-NET CHIST-ERA SPIRIT) and two national projects (ERDF SECURDOC PC445 and ERDF SeAD PC528) related to fraud detection and content securing (around € 2M in total).