The role of binocular disparity in rapid scene and pattern recognition.

The role of binocular disparity in rapid scene and pattern recognition.
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DOI:
10.1068/i0587
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发表时间:
2013
期刊:
影响因子:
1.9
通讯作者:
Gegenfurtner KR
Gegenfurtner KR
中科院分区:
心理学4区
文献类型:
--
作者:
Valsecchi M;Caziot B;Backus BT;Gegenfurtner KR

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我们研究了双眼视差的贡献,快速识别的场景和简单的空间模式使用的范式相结合的向后掩蔽的刺激呈现和短期匹配的样本识别。首先,我们表明,双眼视差并没有显着的贡献,简要介绍自然和人工场景的识别,即使当单眼线索的可用性降低。随后,使用密集的随机点立体图作为刺激,我们表明,观察者在原则上能够提取空间模式定义的差异下简短,蒙面介绍。将我们的结果与线索求和模型的预测进行比较,我们发现,将视差与亮度相结合本身并不会破坏视差的处理。我们的研究结果表明,场景的快速识别主要是介导的单目比较的图像,虽然我们可以依靠立体快速模式识别。
We investigated the contribution of binocular disparity to the rapid recognition of scenes and simpler spatial patterns using a paradigm combining backward masked stimulus presentation and short-term match-to-sample recognition. First, we showed that binocular disparity did not contribute significantly to the recognition of briefly presented natural and artificial scenes, even when the availability of monocular cues was reduced. Subsequently, using dense random dot stereograms as stimuli, we showed that observers were in principle able to extract spatial patterns defined only by disparity under brief, masked presentations. Comparing our results with the predictions from a cue-summation model, we showed that combining disparity with luminance did not per se disrupt the processing of disparity. Our results suggest that the rapid recognition of scenes is mediated mostly by a monocular comparison of the images, although we can rely on stereo in fast pattern recognition.
DOI: 10.1037//0096-1523.28.6.1303
发表时间: 2002-12-01
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