在有和没有立体线索的情况下测量对视角变化的敏感度。
Measuring sensitivity to viewpoint change with and without stereoscopic cues.
作者信息
Bell Jason, Dickinson Edwin, Badcock David R, Kingdom Frederick A A
机构信息
Research School of Psychology, Australian National University.
出版信息
J Vis Exp. 2013 Dec 4(82):50877. doi: 10.3791/50877.
The speed and accuracy of object recognition is compromised by a change in viewpoint; demonstrating that human observers are sensitive to this transformation. Here we discuss a novel method for simulating the appearance of an object that has undergone a rotation-in-depth, and include an exposition of the differences between perspective and orthographic projections. Next we describe a method by which human sensitivity to rotation-in-depth can be measured. Finally we discuss an apparatus for creating a vivid percept of a 3-dimensional rotation-in-depth; the Wheatstone Eight Mirror Stereoscope. By doing so, we reveal a means by which to evaluate the role of stereoscopic cues in the discrimination of viewpoint rotated shapes and objects.
物体识别的速度和准确性会因视角变化而受到影响，这表明人类观察者对这种变换很敏感。在此，我们讨论一种模拟深度旋转后物体外观的新方法，并阐述透视投影和正交投影之间的差异。接下来，我们描述一种测量人类对深度旋转敏感度的方法。最后，我们讨论一种用于产生生动的三维深度旋转感知的装置——惠斯通八镜立体镜。通过这样做，我们揭示了一种评估立体线索在辨别视角旋转形状和物体中作用的方法。
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