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Contrast gain-control in stereo depth and cyclopean contrast perception
Hou, Fang1; Huang, Chang-Bing2; Liang, Ju3; Zhou, Yifeng3; Lu, Zhong-Lin1; Lu, ZL (reprint author), Ohio State Univ, Dept Psychol, Lab Brain Proc, Columbus, OH 43210 USA.
2013
发表期刊JOURNAL OF VISION
ISSN1534-7362
文章类型期刊论文
卷号13期号:8
产权排序2
摘要Although human observers can perceive depth from stereograms with considerable contrast difference between the images presented to the two eyes (Legge & Gu, 1989), how contrast gain control functions in stereo depth perception has not been systematically investigated. Recently, we developed a multipathway contrast gain-control model (MCM) for binocular phase and contrast perception (Huang, Zhou, Lu, & Zhou, 2011; Huang, Zhou, Zhou, & Lu, 2010) based on a contrast gain-control model of binocular phase combination (Ding & Sperling, 2006). To extend the MCM to simultaneously account for stereo depth and cyclopean contrast perception, we manipulated the contrasts (ranging from 0.08 to 0.4) of the dynamic random dot stereograms (RDS) presented to the left and right eyes independently and measured both disparity thresholds for depth perception and perceived contrasts of the cyclopean images. We found that both disparity threshold and perceived contrast depended strongly on the signal contrasts in the two eyes, exhibiting characteristic binocular contrast gain-control properties. The results were well accounted for by an extended MCM model, in which each eye exerts gain control on the other eye's signal in proportion to its own signal contrast energy and also gain control over the other eye's gain control; stereo strength is proportional to the product of the signal strengths in the two eyes after contrast gain control, and perceived contrast is computed by combining contrast energy from the two eyes. The new model provided an excellent account of our data (r(2) = 0.945), as well as some challenging results in the literature.
关键词depth perception binocular vision contrast gain-control disparity
学科领域Perception Psychology
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收录类别SCI
语种英语
项目资助者National Eye Institute grants [R01 EY017491, R01 EY021553] ; Knowledge Innovation Program of the Chinese Academy of Sciences, Institute of Psychology [Y1CX201006] ; National Basic Research Program of China (973 Program) [2009CB941303] ; National Natural Science Foundation of China [81261120562]
项目简介The work was supported by National Eye Institute grants (R01 EY017491 and R01 EY021553 to ZLL), the Knowledge Innovation Program of the Chinese Academy of Sciences, Institute of Psychology (Y1CX201006 to CBH), the National Basic Research Program of China (973 Program: 2009CB941303 to YZ), and National Natural Science Foundation of China (81261120562 to YZ).
WOS研究方向Ophthalmology
WOS类目Ophthalmology
WOS记录号WOS:000322568500003
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]CATS VISUAL-CORTEX ; DISPARITY ENERGY-MODEL ; SPATIAL-FREQUENCY ; SIMPLE CELLS ; PERCEIVED CONTRAST ; BINOCULAR-RIVALRY ; COMPLEX CELLS ; NEURAL MECHANISMS ; RESPONSE FUNCTION ; STRIATE CORTEX
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/10805
专题中国科学院行为科学重点实验室
通讯作者Lu, ZL (reprint author), Ohio State Univ, Dept Psychol, Lab Brain Proc, Columbus, OH 43210 USA.
作者单位1.Ohio State Univ, Dept Psychol, Lab Brain Proc, Columbus, OH 43210 USA
2.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
3.Univ Sci & Technol China, Sch Life Sci, Vis Res Lab, Hefei 230026, Anhui, Peoples R China
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GB/T 7714
Hou, Fang,Huang, Chang-Bing,Liang, Ju,et al. Contrast gain-control in stereo depth and cyclopean contrast perception[J]. JOURNAL OF VISION,2013,13(8).
APA Hou, Fang,Huang, Chang-Bing,Liang, Ju,Zhou, Yifeng,Lu, Zhong-Lin,&Lu, ZL .(2013).Contrast gain-control in stereo depth and cyclopean contrast perception.JOURNAL OF VISION,13(8).
MLA Hou, Fang,et al."Contrast gain-control in stereo depth and cyclopean contrast perception".JOURNAL OF VISION 13.8(2013).
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