在图像检索领域，聚类分析技术有着广泛应用。
There are various applications of clustering analysis techniques in the field of image retrieval.
讨论了复数矩不变性的实现方法，介绍了复数矩不变性在图像检索中的应用及算法。
Complex moment invariants are discussed in detail. Application of the invariants in image retrieval and its algorithm are introduced.
在图像检索中，该算法用一种新方式提取形状特征，实现了基于该算法的图像检索操作。
In image retrieval, it gives a new method to get shape character of image, and image retrieval operation based the arithmetic was realized.
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