Abstract
People can experience 3D contests through 3D TV and/or 3D games on a personal computer. Not all people can see stereoscopic depth from stereo images. Therefore, it would be useful if people’s own stereoacuity were provided before they are exposed to 3D contents. The conventional stereoacuity test can be easily implemented in a 3D display environment. In some environments, however, even the smallest disparity (one pixel disparity) is too large to evaluate the normality in stereoacuity, which means a conventional random dot stereogram or figural stereogram cannot be used as stimuli for a stereoacuity test. In this paper, gabor patches are proposed as proper stimuli for a stereoacuity test because the binocular disparity of gabor patches can be manipulated less than one pixel by using the phase difference between them. Results from 200 observers show that a disparity of less than one pixel is successfully manipulated and that gabor patches can be used as proper stereo images for stereoacuity tests in various 3D display environments.
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