Methods and apparatus for navigating an image

G - Physics – 06 – T

Patent

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G06T 3/40 (2006.01) G09G 5/391 (2006.01)

Patent

CA 2558833

Methods and apparatus are contemplated to perform various actions, including: zooming into or out of an image having at least one object, wherein at least some elements of the at least one object are scaled up and/or down in a way that is non-physically proportional to one or more zoom levels associated with the zooming, and wherein, for example, the non-physically proportional scaling may be expressed by the following formula: p = d' .bullet. za, where p is a linear size in pixels of one or more elements of the object at the zoom level, d' is an imputed linear size of the one or more elements of the object in physical units, z is the zoom level in units of physical linear size/pixel, and a is a power law where a .noteq. -1.

Les procédés et un appareil permettent d'effectuer différentes actions y compris; agrandissement ou diminution d'une image ayant au moins un objet dont au moins certains éléments sont échelonnés vers le bas et/ou vers le haut de manière non physiquement proportionnelle à un ou plusieurs niveaux de zoom associé à l'agrandissement ou à la diminution et dont l'échelonnage non physiquement proportionnel peut, par exemple, être exprimé par la formule suivante: p = d' z?a¿, où p désigne une taille linéaire en pixels d'un ou plusieurs éléments de l'objet au niveau du zoom, d'désigne un taille linéaire calculée d'un ou plusieurs éléments de l'objet dans des unités physiques, z désigne le niveau de zoom dans des unités de taille/pixel linéaire physique et a désigne une loi de puissance où a -1.

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