Method and apparatus for implanting images into a video...

H - Electricity – 04 – N

Patent

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H04N 5/272 (2006.01)

Patent

CA 2231849

A method and system for orienting a frame viewing an arena in which action occurs is provided. The orientation system includes a background topology graph, a graph creator and a graph correlator. The background topology graph graphs the relationships of the background objects of the arena with each other, wherein the relationships are those which change minimally from view to view of the arena. The graph creator creates a frame topology graph of relationships of segments of the frame. The graph correlator correlates the frame topology graph with the background topology graph to determine which objects of the arena, if any, are represented by segments of the frame.

La présente invention concerne un procédé et un dispositif de localisation dans une image représentant un terrain sur lequel se déroule une action. Ce système de localisation met en oeuvre un graphe de la topologie d'arrière-plan, un générateur de graphes et un corrélateur d'images de graphes. Le graphe de la topologie d'arrière-plan sert à graphiquer les relations entre objets d'arrière-plan du terrain, les relations considérées étant celles qui changent le moins d'une image du terrain à la suivante. Le générateur de graphes génère un graphe de la topologie d'image pour les relations des segments d'image. Le corrélateur d'images de graphes effectue la corrélation entre le graphe de la topologie d'image avec le graphe de la topologie d'arrière-plan, afin de déterminer ceux des objets du terrain qui, le cas échéant, sont représentés par des segments de l'image.

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