Image processing is one of the thrust area and is used in almost every field of the study. Image processing is used in order to enhance, smoothening, filtering etc. the image. There are number of techniques which are suggested in order to enhance and smoothening the image. When images merged together then pixels may overlap with each other. This overlapping of image will cause redundancy within the image. In this paper we have surveyed and analyzed this redundancy problem. In order to determine

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... the problem solving mechanism, large number of algorithms have been analyzed to check redundancy in the image and to find the solution which is optimal in nature.