G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 3/40 (2006.01) H04N 1/393 (2006.01) H04N 1/409 (2006.01)
Patent
CA 2128389
A method of enhancing predefined features of a scanned image of a document page of reduced size for display includes subsampling the pixels of the scanned image to achieve a desired degree of reduction of the image size. The substampled signals are passed through a filter to obtain gray scale values. A sharpening filter is applied to the subsampled pixels to enhance the predefined features of the image.
Méthode permettant d'améliorer certaines caractéristiques prédéfinies d'une image balayée d'une page de document de taille réduite pour affichage. Comprend le sous-échantillonnage des pixels de l'image balayée afin de réaliser la réduction de l'image. Les signaux sous-échantillonnés sont passés à travers un filtre afin d'obtenir des valeurs de gris. Un filtre accentuateur est appliqué aux pixels sous-échantillonnés afin d'améliorer les caractéristiques prédéfinies de l'image.
O'gorman Lawrence Patrick
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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