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quelles régions sont concernées par la diffusion de cette culture (d'Uruk) ?

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ORGANISATION D'UN FICHIER IMAGE DICOM: Digital Imaging and Communication in Médecine Là ou sont enregistrées les images et aussi les métadonnées—> sur le patient par exemple comme son âge, sexe, date de naissance —>sur l'image: la taille de la ________, taille des ________, le types de modalités ou encore sur le constructeur, le type de machine qui a été utilisés, la version des logiciels.
STRUCTURE DES IMAGES Espace-image et espace-objet -définit le champ de _____ et correspond à la _________ d'exploration du volume exploré -Ce champs de vue c'est également le produit de la taille des pixels (x) le nb de pixels ds une dimension que comporte la matrice et la taille des pixels en mm c'est également la ________ de l'imageFréquences NYQUIST:-Pour les signaux __________ on a le théorème de Shannon pour l'échantillonnage max -le pendant pour les images: fréquences de NYQUIST qui vaut 1/2 x la taille du pixel
NUMÉRISATION DES IMAGES Intro: une image __________, c'est un signal __________ qui peut retranscrire différents phénomènes physiques en fonction de la modalité d'imagerie Ex:-la ____________ ou tomodensitométrie ou scanner, cartographie the l'atténuation du photon X et mesure la _________ des tissus -Scintigraphie—> cartographie the la qtité de photons __________ ou d'annihilation émis par un médoc radio pharmaceutique-L'_________ cartographie des interfaces tissulaires d'impédance différente -l'_____ cartographie la résonnance des protons, notamment ceux d'hydrogène, sousmis à un champs magnétiques intense Étapes numérisation= mm étapes signal unidimensionnel, avec toutefois quelques particularités

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