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Image processing apparatus
| Details |
Inventors: Kojima, Kunio;
Assignee: Sharp Kabushiki Kaisha (Osaka, JP)
Primary Examiner: Zimmerman; Mark
Assistant Examiner: Santiago; Enrique L
Attorney, Agent or Firm:
An image processing apparatus which allows for information search from items arranged in virtual space, includes: an intra-visual field polygon discriminating means for determining the polygons constituting the surfaces of 3D shapes displayed in the visual field; a polygon data storing means for storing the polygons which were determined to be within the visual field by the intra-visual field polygon discriminating means; a pre-observed polygon identifying means for judging whether currently observed polygons are the same as those stored in the polygon data storing means; and a display processing means for changing the display state of polygons which have been determined to have been priorly seen. |
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DETAILED DESCRIPTION The present invention has been devised in view of the above aspects and it is therefore an object of the present invention to provide an image processing apparatus which allows the user to confirm the past history of actions by displaying the portions which have been displayed in the past within the visual field.
In order to achieve the above object, the present invention is configured as follows: In accordance with the first aspect of the present invention, an image processing apparatus which allows for information search from items arranged in virtual space, includes: an intra-visual field polygon discriminating means for determining the polygons constituting the surfaces of 3D shapes displayed in the visual field; a polygon data storing means for storing the polygons which were determined to be within the visual field by the intra-visual field polygon discriminating means; a pre-observed polygon identifying means for judging whether currently observed polygons are the same as those stored in the polygon data storing means; and a display processing means for changing the display state of polygons which have been determined to have been priorly seen by the pre-observed polygon identifying means.
In accordance with the second aspect of the present invention, the image processing apparatus having the above first feature, further includes a triangle sub-dividing means for dividing a polygon, when it straddles the interior and exterior of the visual field, by triangles, at the boundary of the visual field.
In accordance with the third aspect of the present invention, the image processing apparatus having the above first feature, further includes a visual field setting means for arbitrarily setting up a boundary based on which the intra-visual field polygon discriminating means determines the polygons that reside within the visual field.
In accordance with the fourth aspect of the present invention, the image processing apparatus having the above first feature, further includes a display timing setting means for arbitrarily setting the timing at which the display processing means changes the displayed state of polygons
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