The motion/pursuit law for visual depth perception from motion parallax.

The motion/pursuit law for visual depth perception from motion parallax.
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DOI:
10.1016/j.visres.2009.05.008
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发表时间:
2009-07
期刊:
影响因子:
1.8
通讯作者:
Stroyan, Keith
Stroyan, Keith
中科院分区:
心理学3区
文献类型:
--
作者:
Nawrot, Mark;Stroyan, Keith

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视觉最重要的功能之一是在3D世界中指定对象的布局。虽然静态的视网膜视差的光学几何解释了从双目立体视觉的深度的感知,我们提出了一个新的公式,将相关的动态几何运动视差的深度计算。在数学上,视网膜图像运动(运动)和眼睛的平滑追踪(追踪)的比率提供了用于从运动视差计算相对深度的必要信息。我们表明,这可能已经获得的方法或通过添加追求他们的治疗。心理物理学实验的结果表明,运动/追踪比率的变化与运动视差对深度的感知变化之间的关系要比单独的运动或追踪变化好得多。运动/追踪定律提供的理论框架为研究这种基本的视觉深度知觉能力提供了必要的定量基础。
One of vision’s most important functions is specification of the layout of objects in the 3D world. While the static optical geometry of retinal disparity explains the perception of depth from binocular stereopsis, we propose a new formula to link the pertinent dynamic geometry to the computation of depth from motion parallax. Mathematically, the ratio of retinal image motion (motion) and smooth pursuit of the eye (pursuit) provides the necessary information for the computation of relative depth from motion parallax. We show that this could have been obtained with the approaches of or by adding pursuit to their treatments. Results of a psychophysical experiment show that changes in the motion/pursuit ratio have a much better relationship to changes in the perception of depth from motion parallax than do changes in motion or pursuit alone. The theoretical framework provided by the motion/pursuit law provides the quantitative foundation necessary to study this fundamental visual depth perception ability.
DOI: 10.1038/373609a0
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