针对图像颜色的空间分布特征，提出了一种新的基于熵的表示方法。

According to the color spatial feature of an image, a new algorithm based on entropy is proposed.

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将一维的表面肌电信号转换为二维的散点图，在这二维的平面空间中研究散点在一周360度的各个方向上的分布情况，提出了象限信息熵的概念。

Converte the one dimension time series into two dimension spot figure, then study the distribution of the spot around the 360 degree directions, compute the quadrant information entropy.

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