Running direction display method of magnetic resonance imaging apparatus and fibrous tissue

摘要

In order to be able to easily obtain a color FA image in which the same fibrous tissue has the same color display even if images are captured in a state in which the position of an object relative to an MRI apparatus is different, a diffusion tensor is configured using plural sets of the diffusion-weighted image data acquired by capturing images of a site including the fibrous tissue of the object, an eigenvector is obtained from the diffusion tensor, the eigenvector represented by a predetermined first coordinate system is converted into a second coordinate system, and an image representing the running direction of the fibrous tissue is obtained on the basis of the components of the eigenvector represented by the second coordinate system. The second coordinate system is obtained preferably on the basis of the scanned cross-section, or on the basis of the eigenvector for the specified pixel in the image obtained by capturing images of the cross-section, or in accordance with the rotation angle of the coordinate system set by a coordinate system rotation UI.