Abstract :
Information technology and Internet use and popularity of various digital terminal equipment, greatly enrich the database of digital images, at the same time, also brought new challenges to the image information retrieval. Content-based image retrieval technology is the key content in the field of image retrieval theory research, this article embarks from the content-based image retrieval technology system, studies the retrieval technology of the composition of the system framework and module, and expounds in detail the implementation process of content-based image retrieval technology. To provide theoretical and practical references for the creation of efficient, fast and universal image retrieval system.