【摘要】 随着信息技术的迅速发展以及信息在数据库中的存储方式的不同,传统的基于文本的图像检索技术已经不能满足需求,基于内容的图像检索技术应运而生,并且迅速成为研究热点。本文对图像检索的发展进行了概述,介绍一些图像检索技术并对其进行分析。同时通过综述指出了现有图像检索系统的难点和不足以及今后的研究方向。更多还原

【Abstract】 With the rapid development of information technology and storage mode differences of information in database,traditional technology of Text-based Image Retrieval can not satisfy the needs.In the condition,the technology of Content-Based Image Retrieval comes into existence, which rapidly becomes the research hot spot .This paper sums up the development of Image Retrieval, introduces and analyses some technologies about that.At the same time ,this paper points out defects and difficulties about exsiting image retrieval system and reseach direction in future.更多还原