# US 2013/0154639 A1 · Method of capturing magnetic resonance image and magnetic resonance imaging apparatus using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154639 A1 - Document ID: US20130154639A1 - Status: Published application - Kind: A1 - Application number: 13/614,327 - Filed: 2012-09-13 - Published: 2013-06-20 - Earliest claimed: 2011-12-16 - Assignees: Samsung Electronics Co., Ltd. - Inventors: Keum-yong OH; Jun-ki LEE; In-won LEE - Web page: https://patentgrep.com/patent/US20130154639A1 ## CPC - G01R 33/543: {Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription (G01R33/546 takes precedence)} - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) ## Abstract A method captures a magnetic resonance image for increasing convenience of a user, and a magnetic resonance imaging (MRI) apparatus uses the method, which includes: obtaining shape information of a subject; adjusting a field of view (FoV) according to the shape information of the subject; setting a K-space corresponding to the adjusted FoV; and capturing the magnetic resonance image by using the set K-space. ## Claims ### Claim 1 A method of capturing a magnetic resonance image by using a magnetic resonance imaging (MRI) apparatus, the method comprising: obtaining shape information of a subject; adjusting a field of view (FoV) according to the shape information of the subject; setting a K-space corresponding to the adjusted FoV; and capturing the magnetic resonance image by using the set K-space. ### Claim 2 (depends on 1) The method of claim 1, further comprising storing location information that is used to restore the captured magnetic resonance image to a magnetic resonance image corresponding to the size of an original FoV. ### Claim 3 (depends on 2) The method of claim 2, wherein the storing of the location information comprises storing coordinate information of the captured magnetic resonance image which is based on the magnetic resonance image corresponding to the size of the original FoV. ### Claim 4 (depends on 3) The method of claim 3, wherein the coordinate information comprises at least one coordinate value of an outer boundary of the captured magnetic resonance image. ### Claim 5 (depends on 2) The method of claim 2, wherein the location information comprises information about a center point and a radius of the captured magnetic resonance image. ### Claim 6 (depends on 2) The method of claim 2, wherein the location information comprises information about a size ratio of the captured magnetic resonance image to the magnetic resonance image corresponding to the size of the original FoV. ### Claim 7 (depends on 2) The method of claim 2, further comprising restoring the captured magnetic resonance image to have the same size as the magnetic resonance image corresponding to the size of the original FoV by using the location information. ### Claim 8 (depends on 1) The method of claim 1, wherein the adjusting of the FoV comprises setting a region having a predetermined margin to a boundary of the subject as the FoV. ### Claim 9 (depends on 8) The method of claim 8, wherein the adjusting of the FoV comprises obtaining the boundary of the subject for each of a plurality of slices based on the shape information and adjusting the FoV by adding the predetermined margin to the boundary of the subject for each slice. ### Claim 10 (depends on 1) The method of claim 1, wherein the adjusting of the FoV comprises estimating a boundary of the subject in a current slice based on the boundary of the subject in a previous slice and adjusting the FoV of the current slice by using the estimated boundary of the subject. ### Claim 11 (depends on 1) The method of claim 1, wherein the obtaining of the shape information of the subject comprises obtaining a scout image of the subject. ### Claim 12 A magnetic resonance imaging (MRI) apparatus comprising: a control unit for obtaining shape information of a subject, adjusting a field of view (FoV) according to the obtained shape information of the subject, and setting a K-space corresponding to the adjusted FoV; and an image capturing unit for capturing a magnetic resonance image of the subject according to the set K-space. ### Claim 13 (depends on 12) The MRI apparatus of claim 12, further comprising a storage unit for storing location information that is used to restore the captured magnetic resonance image to a magnetic resonance image corresponding to the size of an original FoV. ### Claim 14 (depends on 13) The MRI apparatus of claim 13, wherein the storage unit stores coordinate information of the captured magnetic resonance image which is based on the magnetic resonance image corresponding to the size of the original FoV. ### Claim 15 (depends on 14) The MRI apparatus of claim 14, wherein the coordinate information comprises at least one coordinate value of an outer boundary of the captured magnetic resonance image. ### Claim 16 (depends on 13) The MRI apparatus of claim 13, wherein the storage unit stores the location information comprising information about center coordinates and a radius of the captured magnetic resonance image. ### Claim 17 (depends on 13) The MRI apparatus of claim 13, wherein the storage unit stores the location information comprising information about a size ratio of the captured magnetic resonance image to the magnetic resonance image corresponding to the size of the original FoV. ### Claim 18 (depends on 13) The MRI apparatus of claim 13, wherein the control unit restores the captured magnetic resonance image to have the same size as the magnetic resonance image corresponding to the size of the original FoV by using the location information. ### Claim 19 (depends on 12) The MRI apparatus of claim 12, wherein the control unit sets a region having a predetermined margin around a boundary of the subject as the FoV. ### Claim 20 (depends on 19) The MRI apparatus of claim 19, wherein the control unit obtains the boundary of the subject for each of a plurality slices, based on the shape information and adjusts the FoV by adding the predetermined margin to the boundary of the subject for each slice. ### Claim 21 (depends on 12) The MRI apparatus of claim 12, wherein the control unit estimates a boundary of the subject in a current slice based on the boundary of the subject in a previous slice and adjusts the FoV of the current slice by using the estimated boundary of the subject. ### Claim 22 (depends on 12) The MRI apparatus of claim 12, wherein the control unit obtains a scout image of the subject as the shape information of the subject. ### Claim 23 (depends on 12) The MRI apparatus of claim 12, wherein the control unit receives an image of the subject and obtains the shape information of the subject from the received image.