| 不同视觉通道中频差所引起的深度感知 |
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| 引用本文： | 周清,郑竺英,金贵昌,程立海,周桂荣.不同视觉通道中频差所引起的深度感知[J].生物物理学报,1990,6(2):207-211. |
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| 作者姓名： | 周清 郑竺英 金贵昌 程立海 周桂荣 |
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| 作者单位： | 中国科学院生物物理所 北京
(周清，郑竺英，金贵昌，程立海)，中国科学院生物物理所 北京(周桂荣) |
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| 摘 要： | 为了解体视倾斜效应(Stereoscopic tilt effect)是否能在视觉系统的不同空间频率通道中由双眼频差(Binocular diffrequency)所引起,我们设计了二组心理物理实验.观察到了Wilson频率调制曲线的第二及第四峰值的二个频道(1.7周 度和4.0周 度)中双眼频差所引起的倾斜感知.它们在同样频差率(频率和中心频率之比)下,引起相等倾斜感知.在一定频差率范围内(0.070-1.30),倾斜感知和频差率成正比关系.
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| 关 键 词： | 视觉通道 频差 深度感知 |
TILT PERCEPTION INDUCED BY DIFFREQUENCY IN DIFFERENT VISUAL CHANNELS |
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| Abstract: | It was tested that if the stereoscopic tilt effect can be induced by binocular diffrequency in the diffrerent spatial frequency channels. Two sets of psychophysical experiments were conducted. The tilt effect induced by binocular diffrequency in the second and the fourth peaks of Wilson's modulated curve (1.7cpd and 4.0cpd ) have been observed and the equal tilt perception have the same diffrequency ratio (diffrequency divided by the central frequency in that band ). Within a certain extent of diffrequency ratio (0.70-1.30), the perceived tilt effect was proportional to the diffrequency ratio. |
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