The method 1 due to this invention is divided into three principal phases outline. Phase 2, has preparation step namely the step 3 which acquires the suitable data set, this data set appropriately 2 is worthy of is divided in step 4, the result is accessed in step 5. These results have 2 value conversion pictures of time serial order, the picture part which because of this corresponds to the blood is classified by 1, the remaining part is set to 0. The following phase 12 of the method due to this invention is directed to image processing in order to divide the structure. In step 8, calculation is done, because of this correspond to the phase which is from the aforementioned time series 2 value conversion pictures 8a which precede correspond to the phase which makes multidimensional time feature map cause 8c subtraction are done from 2 value conversion pictures 8b which follow. In step 9, the spatial position which corresponds to a certain voxel value is obtained, is accessed in order to divide the aforementioned structure. The specified deformation possible geometric model it is accessed in step 11, this geometric model following to the spatial coordinate which is obtained next with step 9, it becomes deformed in step 14. It is desirable, the result of division is remembered in step 16. In lastly, it is indicated in step 18 between other phase 22 of the method due to this invention, making use of the indicatory expedient where the result of the aforementioned division is appropriate. The surface which is desirable, is divided is superimposed on the original data 2, making use of 3 or 4 dimensional image conversion technology. Furthermore in order is desirable, to make understanding of the aforementioned result easy, the surface which is divided with appropriate transmitted mode is displayed as the color cord/code. This invention furthermore is related to the device and the computer program in order to divide the structure in the data set.本発明による方法1は、3つの主要なフェーズに概略的に分け
