Emotion recognition (sometimes) depends on horizontal orientations.
Emotion recognition (sometimes) depends on horizontal orientations.
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DOI：
10.3758/s13414-014-0669-4
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发表时间：
2014-07
期刊：
影响因子：
--
通讯作者：
Balas B
中科院分区：
文献类型：
--
作者：
Huynh CM;Balas B
人脸识别很大程度上取决于水平方向。缺乏水平特征的人脸图像比保留了该信息的人脸图像更难识别。目前，我们通过要求观察者对经过方向过滤的快乐和悲伤表情进行分类来询问面部情绪识别是否也表现出这种依赖性。此外，我们的目标是通过在图像平面中将图像旋转 90 度来将基于图像的方向能量与基于对象的方向分离。在我们的第一个实验中，我们表明情绪表达的感知确实取决于水平方向，并且基于对象的方向比基于图像的方向更能限制性能。在实验 2 中，我们表明张嘴程度（即张嘴与闭嘴）也会影响对水平信息的情绪依赖性依赖。最后，我们描述了一个简单的计算分析，该分析表明张口的影响并不是通过水平和垂直方向带上的方向能量分布的变化来预测的。总的来说，我们的结果表明，情绪识别在很大程度上取决于相对于面部定义的水平信息，但这种偏差受到多种因素的调节，这些因素引入了不同情绪之间和内部的外观变化。
Face recognition depends critically on horizontal orientations. Face images that lack horizontal features are harder to recognize than those that have that information preserved. Presently, we asked if facial emotional recognition also exhibits this dependency by asking observers to categorize orientation-filtered happy and sad expressions. Furthermore, we aimed to dissociate image-based orientation energy from object-based orientation by rotating images 90-degrees in the picture-plane. In our first experiment, we showed that the perception of emotional expression does depend on horizontal orientations and that object-based orientation constrained performance more than image-based orientation. In Experiment 2 we showed that mouth openness (i.e. open versus closed-mouths) also influenced the emotion-dependent reliance on horizontal information. Lastly, we describe a simple computational analysis that demonstrates that the impact of mouth openness was not predicted by variation in the distribution of orientation energy across horizontal and vertical orientation bands. Overall, our results suggest that emotion recognition does largely depend on horizontal information defined relative to the face, but that this bias is modulated by multiple factors that introduce variation in appearance across and within distinct emotions.
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