Digital Processing of Biomedical Images 18 and ureterie reflux are examples Pathologisches Institut der Universität and ureterie reflux are examples of pathologie states whieh ean be deteeted early by the y scintillation eamera Hypoxia promotes cancer progression by regulating various aspects of cancer biology This enormous volume of activity has stimulated further re search in biomedical image processing in the last two years with the result that important inroads have been made in applications in radiology Processing rates have reached the level of one trillion picture elements per year in the United States alone and are expected to be ten trillion per year in 1980