Digital processing of medical images. An outline of the systems.:An Outline of the Systems

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Preservation of medical images by converting them to digitize, which is among the recent advances in medical electronics equipment, is useful in preventing deterioration of the images and in storing, retrieving and transmitting the images. In addition, alteration of the expression of the digitalized images, e. g., by coloration, canbles more accurate recognition of a part which is difficult to distinguish in former images.<BR>At present, monochrome images obtained by Roentogcnography etc., are extensively used in the medical field, as an aid for diagnosis and research. In the present study, images of dental X-ray films and microradiograms were read optically, converted to digital signals, and subjected to coloration, in order to evaluate the usefulness of digitization of medical images.<BR>The above procedure resulted in more objective confirmation of parts which are difficult to distinguish macroscopically, demonstrating that it is useful in clinical practice and research in combination with the use of current monochrome images.<BR>This method is characterized by the facts that high precision of the image is maintained because of the use of linear scan with a drum scanner, and that information from a monochrome image is digitized and stored preliminarily. These features allow repetition of reproductive display, coloration, change in shade, and pattern classification of the image, with the same information and in a short period of time.
社団法人日本口腔外科学会の論文

Digital processing of medical images. An outline of the systems.:An Outline of the Systems

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