螺旋笔画从画布底部边缘开始，穿过特意布置的、色差显著的区域。

Here the painter used parallel, vertical, spiraling strokes, each spiral moving up from the bottom edge of the canvas, through strategically placed areas of contrasting color.

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用模糊方向属性特征描述单个边缘点笔画方向属性； 模糊方向特征是图像的模糊划分和边缘点的模糊方向属性特征的结合。

The fuzzy direction feature combines the fuzzy image division with the fuzzy direction property feature, which describes the stroke direction property of single edge point.

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用模糊方向属性特征描述单个边缘点笔画方向属性； 模糊方向特征是图像的模糊划分和边缘点的模糊方向属性特征的结合。

The fuzzy direction feature combines the fuzzy image division with the fuzzy direction property feature, which describes the stroke direction property of single edge point.

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