| 摘要 |
The present invention relates to a method for detecting the deformation information of an object to be examined, which moves periodically, by using an MR system. The method comprises the steps of: forming a space magnetization pattern having space magnetization variations during the magnetization of an object to be examined; detecting the MR signals of the object to be examined to record the MR images of the object to be examined throughout periodic motion for at least two periods after the generation of the space magnetization pattern, wherein a space magnetization variation during a following period among the at least two periods is weaker than a space magnetization variation during a preceding period among the at least two periods; detecting segmented following MR images based on the MR images of the object to be examined, which has been recorded during a following period among at least two periods, to check the position of the objet to be examined from the segmented following MR images; detecting segmented preceding MR images based on the MR images of the object to be examined, which has been recorded during a preceding period among at least two periods, by using the object to be examined, of which the position has been checked from the segmented following MR images; and detecting first deformation information for describing the deformation of the object to be examined in a first spatial direction based on the segmented preceding MR images. |
