.. Les-contours-utilisent-les-r-egions, 59 2.4.3.2 Utilisation de r egions existantes, La r ecup eration des informations segment ees . . . . . . . . . . . 66 2.4.3.6 Les fen^ etres de focalisation alternatives, p.67

L. Coop-eration-par-la-fusion-de-donn-ees and .. , 78 2.4.6.2 La fusion des contours, p.85

.. La-mise-en-attente and . De-l-'approche, 109 CHAPITRE 5, La limitation de la charge est limitee a NN valeurs graduelles On associe autant de "Frontier Sample" et de "Window Size" que l'on dispose de seuils pour la charge Limitation de la charge, pp.5000-9000

. Le, Autorise adaptation' a disparu au profit de deux parametres distincts plus explicites. La syntaxe precedente reste utilisable et correspond a 'Autorise seuil gradient dynamique

L. 'ordre-et-la-signification-des-ponderations-contour, Norme du gradient -Gradient maximum local -Rectitude du contour -Longueur du contour -Passage au mieux entre deux regions -Suivi de frontiere de la plus proche region -Preserver homogeneite region proche -Extremum des niveaux de gris represente une transition de type ligne -Direction du gradient Region : -Homogeneite -Gravite -Compacite -Degrade

B. Scheduling, . Scheduling_kill, . Selection_status, . Synchro, and . Validation, information de debuggage est une liste de mots cles indiquant les modules du systeme devant fournir une information de trace. Les mots cles utilisable sont : Information debuggage : PARAMETERS end Dans le cadre d'un protocole exp erimental, il devient indispensable de d eenir une politique de modiication de ces param etres. Une etude exhaustive de l'innuence r eciproque du r^ ole de chacun n'est pas tr es r ealiste, m^ eme si id ealement elle s'av ere ^ etre le seul moyen de prouver" un algorithme

. Des-exp-erimentations-qui-suivent, Entre deux tests, toutes les variables initiales du syst eme conserveront l a m ^ eme valeur, sauf mention contraire explicite. La politique appliqu ee sera donc celle du toutes choses egales par ailleurs. La suite de ce chapitre s'articule autour de quatre parties, chacune d'elle mettant l'accent sur un point particulier de l'approche. La robustesse, la justesse, les possibilit es d'adaptation

. La-robustesse-du-syst-eme-la, robustesse de l'approche se d ecline en trois points, tout d'abord en montrant la stabilit e par rapport aux conditions d'initialisation, puis par rapport aux donn ees a segmenter

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