关键词: 织物纹理, 感受野, 视觉模型, 简单视神经细胞, 独立分量分析

Abstract: The research on the selection characteristics of receptive field of simple optic nerve cells for fabric textures is presented. The fabric textures having obvious direction and period properties or not are both chosen as research objects to evaluate the receptive field of simple optic nerve cells by using the vision model based on the independent component analysis. The selection characteristics, such as location, direction and spatial frequency can be represented through the analysis of the center of gravity, orientation angle and area of the excited areas in the receptive field. The comparative experiment between natural and fabric texture shows that the excited areas in the receptive field of simple cell of fabric texture has more observable selection characteristics in direction, location and spatial frequency. Experimental results indicate that the method proposed here for the analysis of the receptive field in the simple optic nerve cells can not only reveal the neural mechanism for the fabric textures processing in the primary visual cortex, but also reflect the visual property of fabric textures from the vision perception.

Key words: fabric textures, receptive field, vision model, simple optic nerve cell, independent component analysis