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Survey on Techniques and Image Modalities in Content Based Medical Image Retrieval

The tremendous increase in medical images in the healthcare sector has given rise to the term CBMIR(Content-Based Medical Image Retrieval). CBMIR is said to ease the job of a physician in searching and retrieving similar images for a given query image. This helps in the detection and diagnosis of diseases in human body parts at the early stage. Due to the rapid increase in medical image databases searching and retrieving images similar to that of the query image from a huge database is a challenging task. A Survey on various CBMIR techniques that are used for retrieving biomedical images is given in this paper. This includes a literature survey of over more than 100 contributions to the field of content based medical image retrieval techniques. The major focus is on the techniques based on the representation of images visually in the medical field rather than annotated images.