摘要：In the present scenario, there is a big amount of data occupy a large space on the Web with the acquaintance of the Internet and digital accessories. The number of image libraries are growing rapidly by inducing the need for the effective and efficient tools to query these large databases. Therefore, it become necessary for retrieval search engines to retrieve relevant documents and images from large database. This paper attempts to provide an extensive review over the image retrieval. Recent studies are included in this review article covering different aspects and researches in this area. Various techniques of image retrieval are discussed based on existing technologies and the demand from real-world applications. This article demonstrate a sight of most popular image retrieval techniques with their advantages and disadvantages.
