Year: 2012 N o of order: HAUTE ALSACE UNIVERSITY Doctoral School ED 494 JEAN HENRI LAMBERT A thesis presented to the University of Haute Alsace in fulfilment of the thesis requirement for the degree of Doctor of Philosophy in Mechanical Engineering by Abdel Salam MALEK Online Fabric Inspection by Image Processing Technology Examining committee Prof. Patrick MEYRUEIS Reporter Prof. Manuel José SANTOS SILVA Reporter Prof. Jean RENAUD Examiner Dr. Jean-François OSSELIN Examiner Prof. Jean-Yves DREAN Thesis director Prof. Laurent BIGUE Thesis co-director Mulhouse, Sud Alsace, France