首先，本文提出了基于距离分布直方图的商标图像检索方法。

Firstly, this paper presents the trademark image retrieval method based on distance distribution histogram.

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针对二值图象提出了一种基于区域的形状特征，即距离分布直方图。

The basic idea is to get shape feature by calculating the distribution of pixels in different distance regions.

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