Term segmentation is about splitting the whole image into segments. In case of image analysis, image processing one of the crucial steps is segmentation of image. Segmentation of image concern about dividing entire image in sub parts that may be similar or dissimilar with respect to features. Output of image segmentation has consequence on analysis of image, further processing of image. Analysis of image comprises depiction of object and object representation, measurement of feature. Therefore characterization, area of interest's visualization in the image, description have crucial job in segmentation of image. This survey explains some methods of image segmentation.

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