ISSN 0439-755X
CN 11-1911/B
主办:中国心理学会
   中国科学院心理研究所
出版:科学出版社

心理学报 ›› 1994, Vol. 26 ›› Issue (1): 101-105.

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复杂图形的双眼视差敏感性

金贵昌;周桂荣;郑竺英;张景芝   

  1. 中国科学院生物物理研究所视觉信息加工开放研究实验室,中国科技大学北京认知科学开放研究实验室
  • 发布日期:1994-03-25 出版日期:1994-03-25
  • 通讯作者: 金贵昌

BINOCULAR DISPARITY SENSITIVITY FOR RANDOM DOT STEREOGRAMS WITH DIFFERENT COMPLEXITY OF DEPTH PATTERN

Jin Guichang;Zhou Guiropg;Zheng Zhuying;Zhang Jingzhi (Institute of Biophsics,Academia Sinica,Beijing,100101) (Laboratory of Cognitive Science,Beijing,100034)   

  • Online:1994-03-25 Published:1994-03-25

摘要: 该研究用心理物理学实验方法,以能正确分辨图形在深度上起伏周期数的多少作为判据,检测了七名被试的体视性能。实验结果表明,被试者观看复杂图形的视差敏感性是和图形在深度上变化的复杂程度有关。如果以视差作纵坐标,以图形在深度起伏频率为横坐标,则其深度感知的范围是一个区域,该区域的频率变化范围是从0.1周/度到4周/度,当深度变化频率大于4周/度,则无深度感知。七名被试的双眼深度敏感区有个体差异,但其区域的形状是相似的。

关键词: 视差敏感性, 随机点立体图, 复杂图形, 心理物理实验

Abstract: In order to study the effect of different complexities of depth patterns on stereopsis a psychophysical experiment with Random Dot Stereogram (RDS) was conducted. A set of static RDS with different frequencies of sinusoidal variation in disparity, which designated the complexity of pattern, was used to study binocular stereopsis. The result defined a region within certain frequencies of sinusoidal variation of disparity, at which depth could be seen. The range of frequency of sinusoidal variation in disparity was from 0. 1 to 4 (cycle per degree) at the region. The high frequency limitation of depth perception was at 4 cycles per degree. So stereopsis was a function of the complexity of depth pattern. There were some differences of binocular disparity sensitivity in the seven subjects, but the shapes of these seven regions were similar.

Key words: disparity sensitivity, Random Dot Stereogram, complex pattern, psychophysical experiment