Decomposing the spatiotemporal signature in dynamic 3D object recognition
Wang, Ying1,2; Zhang, Kan1; Zhang K(张侃)
2010
发表期刊JOURNAL OF VISION
ISSN1534-7362
文章类型Article
卷号10期号:10页码:001-016
摘要The current study investigated the long-term representation of spatiotemporal signature (J. V. Stone, 1998) and its coding nature in a dynamic object recognition task. In Experiment 1, the observers' recognition performance was impaired by an overall reversal of the studied objects' learning view sequences even when they were unsmooth, suggesting that the spatiotemporal appearance of the objects was used for recognition, and this effect was not restricted to smooth motion condition. In another four experiments, a feature reversal paradigm was applied that only the global-scale or local-scale dynamic feature of the view sequences was reversed at a time. The reversal effect still held, but it was selective to the sequence's feature saliency, suggesting that statistical representation based on specific features instead of the whole view sequence was used for recognition. Furthermore, top-down regulation on sequence smoothness was observed that the observers perceived the objects as moving in a smoother manner than they actually were. These results extend an emerging framework that argues the spatiotemporal appearance of a dynamic object contributes to its recognition. The spatiotemporal signature might be coded in a feature-based manner under the law of perceptual organization, and the coding process is adaptive to variation of the sequence's temporal order.
关键词dynamic object recognition reversal effect spatiotemporal signature perceptual organization top-down regulation
学科领域认知心理学
收录类别SCI ; SSCI
语种英语
资助项目二室蒋毅课题组
WOS记录号WOS:000281462400023
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/7199
专题中国科学院心理研究所回溯数据库(1956-2010)
通讯作者Zhang K(张侃)
作者单位1.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
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Wang, Ying,Zhang, Kan,Zhang K. Decomposing the spatiotemporal signature in dynamic 3D object recognition[J]. JOURNAL OF VISION,2010,10(10):001-016.
APA Wang, Ying,Zhang, Kan,&张侃.(2010).Decomposing the spatiotemporal signature in dynamic 3D object recognition.JOURNAL OF VISION,10(10),001-016.
MLA Wang, Ying,et al."Decomposing the spatiotemporal signature in dynamic 3D object recognition".JOURNAL OF VISION 10.10(2010):001-016.
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