Abstract: In a method for automatically selecting a region of interest covering a heated area, in the context of high intensity focused ultrasonic technology during acquisition of magnetic resonance data, phase data of a scanned area are acquired, and a heated area is identified in the scanned area according to the phase data acquired. An image is reconstructed and displayed, and in the displayed image a region of interest covering the heated area is automatically demarcated according to a predetermined size of said region of interest that covers and is larger than the heated area. The method causes the heated area to be automatically and completely included in the region of interest; and eliminates the instability of a manual selection of the region of interest.

Abstract: In a method and apparatus for removing artifacts during magnetic resonance imaging, a number of sets of 3D are generated data by scanning, with each set of 3D data containing a number of sets of 2D data. A weighted sum of all the 2D data corresponding to the same overlapped slab is formed. Maximum intensity projection of all the 2D data is implemented, followed by the superposition of the weighted sum data and the maximum intensity projection data to generate the 2D data corresponding to the overlapped slab. The maximum intensity projection of the 3D data formed by 2D data of non-overlapped slabs and 2D data of the corresponding overlapped slabs is implemented so as to generate a final image.

Abstract: In a method and apparatus for removing artifacts during magnetic resonance imaging, a number of sets of 3D are generated data by scanning, with each set of 3D data containing a number of sets of 2D data. A weighted sum of all the 2D data corresponding to the same overlapped slab is formed. Maximum intensity projection of all the 2D data is implemented, followed by the superposition of the weighted sum data and the maximum intensity projection data to generate the 2D data corresponding to the overlapped slab/The maximum intensity projection of the 3D data formed by 2D data of non-overlapped slabs and 2D data of the corresponding overlapped slabs is implemented so as to generate a final image.

Abstract: A method for automatically selecting a region of interest covering a heated area, in the context of high intensity focused ultrasonic technology achieves automatic selection of the region of interest on the basis of the phase recognition completed in a magnetic resonance data acquisition and the position of the focus of a focused ultrasonic sensor. The method includes the steps of acquiring the phase data of a scanned area during a scanning process, then determining a heated area in the scanned area according to the phase data acquired; and in a displayed image acquired by the image reconstruction, demarcating a region of interest covering the heated area according to a predetermined size of said region of interest that covers and is larger than the heated area.