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A Supramodal Vibrissa Tactile and Auditory Model for Texture Recognition

机译:纹理识别的清辛岩触觉和听觉模型

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摘要

Audition and touch endow spectral processing abilities allowing texture recognition and discrimination. Rat whiskers sensory system exhibits, as the cochlea, resonance property decomposing the signal over frequencies. Moreover, there exists strong psychophysical and biological interactions between auditory and somatosensory corteces concerning texture analysis. Inspired by these similarities, this paper introduce a "supramodal" model allowing both vibrissa tactile and auditory texture recognition. Two gammatone based resonant filterbanks are used for cochlea and whiskers array modeling. Each filterbank is then linked to a feature extraction algorithm, inspired by data recorded in the rats barrel cortex, and finally to a multilayer perceptron. Results clearly show the ability of the model for texture recognition in both auditory and tactile tuning. Moreover, recent studies suggest that this resonance property plays a role in texture discrimination. Experiments presented here provide elements in the direction of this resonance hypothesis.
机译:试镜和触摸禀赋光谱处理能力,允许纹理识别和辨别。 RAT晶须感觉系统表现出作为耳蜗的共振性能在频率上分解信号。此外,有关纹理分析的听觉与躯体感染术之间存在强烈的心理物理和生物相互作用。本文启发了这些相似之处,介绍了一种“上蛋白透明度”模型,允许Vibrissa触觉和听觉纹理识别。基于酚醛酮的谐振滤波器袋用于耳蜗和晶须阵列建模。然后将每个滤波器链接到特征提取算法,受到在大鼠桶皮层中记录的数据的启发,最后到多层的Perceptron。结果清楚地表明,在听觉和触觉调谐中纹理识别模型的能力。此外,最近的研究表明,这种共振属性在纹理歧视中起着作用。这里提出的实验在该共振假设的方向上提供了元素。

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