Le déclin mondial du couvert forestier

Etude du couvert forestier par processus ponctuels marqués. (Tree crown extraction using Marked Point Processes)

This thesis addresses the problem of tree crown extraction from Colour InfraRed (CIR) aerial images of fo-rests. Our models are based on object processes, otherwise known as marked point processes. These mathema-tical objects are random variables whose realizations are configurations of geometrical shapes. This approachyields an energy minimization problem, where the energy is compo...

Le Sacre du Big Red

Le syndrome du soleil levant

Morning glory syndrome or rising sun is rare congenital anomaly of the papilla by emergence of the optic nerve in the eye. It is sometimes associated with serious anomalies of the central nervous system. It reaches preferentially girls and most often unilateral. The circumstances of the discovery may be strabismus, amblyopia, nystagmus, leucocoria or refractive disorder. This syndrome may also ...

Le Probleme Biologique Du Cancer

This small book reviews briefly practically the whole field of cancer. The author starts with a discussion of the incidence of the disease in France and continues with a consideration of various predisposing factors which influence the frequency of tumors. The etiology of cancer is dealt with in two separate sections, the first in connection with a brief review of experimental growths, and the ...

Automatisation du e-recrutement dans le cadre du Web sémantique

Cet article présente une approche basée sur l’annotation sémantique des CVs et des offres d’emploi pour automatiser le processus de recrutement électronique. Le principe de base consiste à modéliser formellement le contenu de ces documents en termes de leurs acquis (cas des CVs) ou requis (cas des offres d’emploi), à l’aide d’un référentiel commun entre les recruteurs et les chercheurs d’emploi...