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Optical Systems

Stereo-image-forming-apparatus

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Stereo image forming apparatus

Details

Inventors: Tabata, Seiichiro;
Assignee: Olympus Optical Co., Ltd. (Tokyo, JP)
Primary Examiner: Kelley; Chris S.
Assistant Examiner: Philippe; Gims
Attorney, Agent or Firm: Pillsbury Madison & Sutro, LLP

Rendering is executed under conditions corresponding to the distance of a target object to obtain stereo display data, by preliminarily controlling its conditions such as the position or orientation of two-dimensional image projection planes (A mode). Alternatively, the rendering is executed independently of the distance of the target object, and data thus obtained is subjected to an image conversion process to obtain the stereo display data (B mode).

DETAILED DESCRIPTION The present invention was provided in view of the background as described above, and it has an object of providing a pertaining apparatus, which requires relatively short computation time, and hence permitting delay-free control of parallax or vergent distance, even in the case where a usual personal computer or the like is used to construct the system.
The features and advantages of the present invention are as follows: According to a first aspect of the present invention, there is provided a stereo image forming apparatus for generating a first and a second piece of two-dimensional image data representing a first and a second two-dimensional image, respectively, of a plurality of stereo-modeled objects present in a virtual space, with three-dimensional coordinates set therein, by executing an operation corresponding to the projection of the objects on a first and a second predetermined projection plane from a first and second visual point at different coordinate positions in the virtual space with the three-dimensional coordinates set therein, comprising: particular object determining means for determining a particular object among the plurality of objects; and parallax control means for controlling the parallax of the first and second two-dimensional images concerning the particular object to be substantially constant.
In this first aspect of the present invention, the parallax concerning the particular object is controlled to be substantially constant.
According to a second aspect of the present invention, there is provided the stereo image forming apparatus according to the first aspect, wherein the particular object determining means includes visual direction detecting means for detecting a visual direction of a viewer viewing an image displayed on an image display and determines the particular object based on the detected output.
In the second aspect of the present invention, the particular one of a plurality of objects is determined on the basis of the viewer's visual direction as detected

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