Stereoscopic system with convergence and dioptric power adjustme

Details Stereoscopic system with convergence and dioptric power adjustme Stereoscopic system with convergence and dioptric power adjustme

1995-10-12

1999-11-02

Tung, Bryan

Television

Stereoscopic

Picture signal generator

348 51, H04N 718, H04N 1302, H04N 1304

Patent

active

059780150

ABSTRACT:
In a stereoscopic system including a three-dimensional camera and an HMD, by setting the convergences of the three-dimensional camera and the HMD in accordance with the distance to the object to be shot, a stereoscopically viewable object distance range is increased and a natural stereoscopic image is provided. The three-dimensional camera is provided with a convergence setter which varies the directions of left and right cameras, and the HMD is provided with a convergence setter which varies the directions of left and right virtual image projectors. The distance to the object is detected based on the distance between the left and right images taken by the three-dimensional camera, and the convergence setters of the three-dimensional camera and the HMD are controlled in accordance with the detected distance. The convergence setter of the three-dimensional camera performs focusing, interlocking with the convergence setting. The convergence setter of the HMD sets the dioptric power, interlocking with the convergence setting.

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patent: 5034809 (1991-07-01), Katoh
patent: 5557454 (1996-09-01), Takahashi

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