Trial for improvement of visibility of tumor by three digital imaging processing

To observe the internal of organ clearly, CT/PET and MRI are recently being used. But in order to save demerit toward the high cost and non-real time observation by these machines, diagnostic ultrasound system is remarked.But there are several problems around visibility through ultrasound. Artifact problem are followed by reflection/refraction at the organ borders, lack of directivity of shooting, or reinforcement of wave. In addition, vagueness and darkness are inferior to those for CT/PET or MRI.In order to improve the image resolution along which wave is reflected on tumors by ultrasonic diagnostic equipment, the proposed functions are newly added. First one is duplicated function of two dimensional linear mapping, the second is Differential filter, and the last one is Median filter.