Over the past 30 years the natural history of bronchiectasis must have been considerably modified by the varying treatments which have been introduced. Laennec's original description in 1829 was made from post-mortem material, the diagnosis in those early years only being made in severe clinical cases or at autopsy. With the introduction by Sicard and Forestier in 1922 of an opaque substance to...

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...

There is a fairly common form of rheumatism which afflicts the elderly with pains in the head, neck, back, and proximal parts of the limbs, with stiffness of movement and with constitutional illness. It is associated with a raised sedimentation rate (E.S.R.) and a mild hypergammaglobulinaemia, and women are affected more frequently than men. There is as yet no specific test for this condition, ...