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Résumé Cet article présente une nouvelle méthode de restauration d’images photographiques en couleur dégradées par le bruit de la transformation RGB → YCbCr. Cette transformation introduit dans certaines images un bruit de type haute fréquence. Ce bruit est mis en évidence et corrigé. La correction est faite par atténuation des coefficients Y, Cb et Cr suivie de leur reconstruction par des facteurs...
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