It includes: i that for estimating, received interested group of dose of radiation, which is woven in image scanning,. The body area of image data includes tissue of interest, ii. Image data conversion is segmented in axial slice, including tissue and non axial level axial slices, III. It determines the transmitting of net amount dose of radiation or receives in each axial slice by combining each axial slice of sweep parameter and the amount of radiation dosage that precalculates, the organized axial sections of net amount institute of iiii summation dose of radiations is in order to obtain tissue dose.