A Generalized Approach for Image Indexing and Retrieval Based on 2-D Strings1
A Generalized Approach for Image Indexing and Retrieval Based on 2-D Strings1
复制标题
基于二维字符串的图像索引和检索的通用方法1
DOI：
10.1142/9789812798015_0009
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发表时间：
1996
期刊：
影响因子：
--
通讯作者：
S. Orphanoudakis
中科院分区：
文献类型：
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作者：
E. Petrakis;S. Orphanoudakis
二维字符串是最初设计用于IDB环境的少数表示结构之一。在这一章中，提出了一种基于二维字符串的索引的通用方法，它避免了以前基于二维字符串的技术在整个数据库中的穷举搜索。2-D字符串表示的经典框架也专门用于缩放和未缩放图像的情况。索引结构支持检索的内容，利用2-D字符串表示框架，也进行了讨论。所提出的方法的性能进行评估，使用模拟图像的数据库，并与现有的2-D字符串索引和检索技术的性能进行比较。结果表明，在检索性能的一个非常显着的改善。
2-D strings is one of a few representation structures originally designed for use in an IDB environment. In this chapter, a generalized approach for 2-D string based indexing, which avoids the exhaustive search through the entire database of previous 2-D string based techniques, is proposed. The classical framework of representation of 2-D strings is also specialized to the cases of scaled and unscaled images. Index structures for supporting retrieval by content, utilizing the 2-D string representation framework, are also discussed. The performance of the proposed method is evaluated using a database of simulated images and compared with the performance of existing techniques of 2-D string indexing and retrieval. The results demonstrate a very significant improvement in retrieval performance.