对多媒体数据的检索，早期的方法是用文本将多媒体数据进行标识，这显然不是基于多媒体信息本身内容的检索，对多媒体数据中包含的信息是一中及大的浪费；



　　基于内容的检索是多媒体数据库的关键技术，如何实现这块技术，是值得商榷的，而最好的方法是使用无需领域知识的检索方法，因此，基于颜色的方法就是实现的关键-Retrieval of multimedia data, the method is to use an early version of the multimedia data labeling, which is not itself based on the content of multimedia information retrieval, multimedia data of the information contained in a Medium and large waste　content-based retrieval of multimedia database of key technologies, how to achieve this technology, is open to question, and the best way is to use the domain knowledge without the search method, based on the color way is the key to achieve