该文发表于08年，研究了近十年来约300篇图像检索论文，涉及主要的经典理论、图像标注并讨论了相关子领域。该文还讨论了如何利用现有的图像检索技术构建现实中图像系统，是一篇不可多得的图像检索综述。-The article surveys almost 300 key theoretical and empirical contributions in the current

decade related to image retrieval and automatic image annotation, and in the process discuss the spawning of

related subfields.The paper also discusses significant challenges involved in the adaptation of existing image retrieval

techniques to build systems that can be useful in the real world.