The enhancement of high-dimensional indexing technique is necessary to improve the performance of image database retrieval.
为了提高图像数据库的检索效率，必须提高高维索引的效率。
This method can avoid some drawbacks such as lots of calculation, inaccurate definition to the features, if one kind of methods is used in the image database retrieval.
采用这种方法解决了单独使用某一方法的缺点，如计算量大、表达复杂、特征表达不够准确等。
Contentbased image retrieval is a hotspot in the research of multimedia database system and digital library.
基于内容的图像检索技术是当前多媒体数据库系统和数字图书馆研究中的一个热点。
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