Université de Fribourg

Changes in wood anatomy in tree rings of Pinus pinaster Ait. following wounding by flash floods

Ballesteros, J.A. ; Stoffel, Markus ; Bodoque, J.M. ; Bollschweiler, Michelle ; Hitz, Oliver ; Díez-Herrero, A.

In: Tree-Ring Research, 2010, vol. 66, no. 2, p. 93-103

This paper analyzes the anatomical response of Pinus pinaster Ait. following wounding by flash floods. A total of 14 wood samples were taken from 14 different scarred trees located on the river banks of the Arroyo Cabrera torrent (Spanish Central System). In addition, 20 increment cores were collected from undisturbed and healthy P. pinaster trees to build a local reference chronology. For the...

Université de Fribourg

A framework for interactive document recognition

Hitz, Oliver ; Ingold, Rolf (Dir.)

Thèse de doctorat : Université de Fribourg, 2005 ; Nr. 1488.

Document recognition is a research domain that doesn’t lose its relevance even in a world where documents are increasingly often available in an electronic form. Whereas some years ago, the goal of document recognition was to convert documents from paper into an electronic form, the problem is shifted more and more from pure recognition towards document understanding. This requires much more...