The proposal of this article is established on a ruling class of hierarchical bottom-up segmentation systems, known as region merging approaches. These methods naturally furnish a bottom-up hierarchy, extra compatible when no apriori information in regards to the image is on hand, and a pleasant compromise between efficiency of computation and representation is targeted to achieve. In this paper we have made a chronological review for various segmentation technique targeted towards the segmentation of a specific region of interest in a given image.

Keywords : Component; Formatting; Style; Styling; Insert.