Object search method and object search system

Details Object search method and object search system Object search method and object search system

G - Physics

06

T

G06T 5/00 (2006.01) G06T 1/00 (2006.01) G06T 17/00 (2006.01)

Patent

CA 2236195

An object search method and an object search system which reduce the time needed for coordinate transformation of a plurality of objects to be displayed as three-dimensional view data through viewing transformation. The system determines a reference box which circumscribes a view volume, created according to an eyepoint. The system determines a bounding box for each object. Each bounding box circumscribes the corresponding object. A 6-d tree, composed of a plurality of nodes each having keys composed of the coordinate components of each bounding box, is prepared beforehand. With the coordinate components of the reference box as a search condition, the system searches the 6-d tree for bounding boxes included in the reference box. Then, the system performs coordinate transformation only on the objects corresponding to the obtained bounding boxes.

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