THREE-DIMENSIONAL MAP DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a three-dimensional map display device capable of giving a user a natural operation feeling when changing a display range of a three-dimensional image. SOLUTION: The three-dimensional map display device includes a sight line direction estimation section 1 for estimat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKURAI MITSUMASA, FUJIMOTO HITOSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a three-dimensional map display device capable of giving a user a natural operation feeling when changing a display range of a three-dimensional image. SOLUTION: The three-dimensional map display device includes a sight line direction estimation section 1 for estimating a sight line direction 26 of a user with an arrangement position of a virtual camera 21 as a start point, a gazing point calculation section 3 for calculating a gazing point 32 so that the sight line direction 26 estimated by the gazing direction estimation section 1 crosses the horizon in a three-dimensional space, and a camera control section 4 for controlling the arrangement position and the arrangement direction of the virtual camera 21 according to the gazing point 32 calculated by the gazing point calculation section 3 and a shifting operation of the camera by the user. COPYRIGHT: (C)2008,JPO&INPIT