The High Resolution images have great importance in various fields, such as astronomy, medical imaging, agricluture, video surveillance, etc. These High Resolution images are useful to get the required details which are important for analysis in many applications. This paper investigates mainly on various modern existing methods of super resolution that and putting it all together for a literature survey. Scope of this study mainly focuses on the different available techniques of image processing to get high resolution images for extracting the meticulous details.
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