Misperceptions of angular velocities influence the perception of rigidity in the kinetic depth effect.

Misperceptions of angular velocities influence the perception of rigidity in the kinetic depth effect.
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对角速度的误解会影响对动态深度效应中刚性的感知。

DOI:
10.1037//0096-1523.23.4.1111
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发表时间:
1997
期刊:
Journal of experimental psychology. Human perception and performance
影响因子:
--
通讯作者:
Proffitt,DR
Proffitt,DR
中科院分区:
--
文献类型:
--
作者:
Domini,F;Caudek,C;Proffitt,DR

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针对三维旋转物体的正投影问题,研究了刚体运动和非刚体运动的判别精度。在3个实验中,角速度的大小被误解的动力学深度效应的假设进行了测试,并在其他4个实验的假设,误解角速度导致误解的刚性进行了测试。主要的发现是(a)感知角速度的大小是作为一阶光流的一个属性(称为变形)的函数推导出来的,(B)在区分刚性和非刚性运动的感知性能是准确的情况下,当刺激显示器的各个三元组点的变形的变化有利于这种解释,而在其他情况下不准确。
Accuracy in discriminating rigid from nonrigid motion was investigated for orthographic projections of three-dimensional rotating objects. In 3 experiments the hypothesis that magnitudes of angular velocity are misperceived in the kinetic depth effect was tested, and in 4 other experiments the hypothesis that misperceiving angular velocities leads to misperceiving rigidity was tested. The principal findings were (a) the magnitude of perceived angular velocity is derived heuristically as a function of a property of the first-order optic flow called deformation and (b) perceptual performance in discriminating rigid from nonrigid motion is accurate in cases when the variability of the deformations of the individual triplets of points of the stimulus displays favors this interpretation and not accurate in other cases.
DOI: 10.1364/josaa.2.000350
发表时间: 1985
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影响因子: --
作者:
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