# US 2015/0104084 A1 · Scanning system and image display method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0104084 A1 - Document ID: US20150104084A1 - Status: Published application - Kind: A1 - Application number: 14/142,953 - Filed: 2013-12-30 - Published: 2015-04-16 - Earliest claimed: 2013-10-12 - Assignees: Shenyang Neusoft Medical Systems Co., Ltd. - Applicants: Shenyang Neusoft Medical Systems Co., Ltd. - Inventors: Shanshan LOU; Jian Zhao - Web page: https://patentgrep.com/patent/US20150104084A1 ## CPC - A61B 6/00: Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment (instruments measuring radiation intensity for application in the field of nuclear medicine, e.g. in vivo counting, G01T1/161) - A61B 6/12: Arrangements for detecting or locating foreign bodies - A61B 6/463: {characterised by displaying multiple images or images and diagnostic data on one display} - A61B 5/06: Devices, other than using radiation, for detecting or locating foreign bodies {; Determining position of diagnostic devices within or on the body of the patient} - A61B 6/032: {Transmission computed tomography [CT]} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A scanning system and an image display method are provided, the method including: implementing a scanning process to obtain scanning data; converting the scanning data into image data; implementing an identification process and a segmentation process to the image data to obtain position and direction information of an interventional device; and calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters. Position and direction of interventional devices may be determined accurately. Further, multiple display modes are available, which may provide an accurate and full range image display. ## Claims ### Claim 1 An image display method used in a scanning system, the method comprising: implementing a scanning process to obtain scanning data; converting the scanning data into image data; implementing an identification process and a segmentation process to the image data to obtain position and direction information of an interventional device; and calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first image display mode comprises at least one selected from multi-planar reformation display, curve-planar reformation display and three-dimensional display. ### Claim 3 (depends on 1) The method according to claim 1, wherein when the first image display mode is multi-planar reformation display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining imaging parameters for one or more imaging planes based on the obtained position and direction information of the interventional device, where the one or more imaging planes at least comprise a plane in which the interventional device is disposed, where the imaging parameters for anyone of the one or more imaging planes comprise coordinate information of a point on the corresponding plane, normal vector of the corresponding plane, size of the corresponding plane and information of local coordinate vectors of the corresponding plane; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining one or more multi-planar reformation images based on the three-dimensional image data set and the determined imaging parameters of the one or more imaging planes; and displaying the multi-planar reformation images. ### Claim 4 (depends on 2) The method according to claim 2, wherein when the first image display mode is multi-planar reformation display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining imaging parameters for one or more imaging planes based on the obtained position and direction information of the interventional device, where the one or more imaging planes at least comprise a plane in which the interventional device is disposed, where the imaging parameters for anyone of the one or more imaging planes comprise coordinate information of a point on the corresponding plane, normal vector of the corresponding plane, size of the corresponding plane and information of local coordinate vectors of the corresponding plane; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining one or more multi-planar reformation images based on the three-dimensional image data set and the determined imaging parameters of the one or more imaging planes; and displaying the multi-planar reformation images. ### Claim 5 (depends on 3) The method according to claim 3, wherein the steps of obtaining one or more multi-planar reformation images based on the three-dimensional image data set and the determined imaging parameters of the one or more imaging planes and displaying the multi-planar reformation images comprise: calculating coordinate information of a left-top point on anyone of the one or more imaging planes based on the coordinate information of the point on the corresponding plane, the normal vector of the corresponding plane, the size of the corresponding plane and the information of local coordinate vectors of the corresponding plane; implementing traversal treatments to points on the one or more imaging planes, so as to obtain coordinate information of the points on the one or more imaging planes based on the coordinate information of the left-top points on the one or more imaging planes, respectively; obtaining image pixel values corresponding to the coordinate information of the points on the one or more imaging planes based on the three-dimensional image data set and the obtained coordinate information of the points on the one or more imaging planes; reconstructing the one or more multi-planar images based on the obtained image pixel values; and displaying the one or more multi-planar images. ### Claim 6 (depends on 3) The method according to claim 3, wherein when the one or more imaging planes comprise more than one plane, the one or more imaging planes comprise at least a first imaging plane and a second imaging plane, where the first image plane is a plane in which the interventional device is disposed, and the second imaging plane is a plane perpendicular to the first imaging plane; or, the first image plane is a plane in which the interventional device is disposed, and the second imaging plane is any plane which is not parallel with the first imaging plane. ### Claim 7 (depends on 1) The method according to claim 1, wherein when the first image display mode is curve-planar reformation display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining imaging parameters of an imaging curve plane in which the interventional device is disposed based on the obtained position and direction information of the interventional device, where the imaging parameters comprise information of a curve line along which the interventional device is disposed and size of the curve plane; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining a curve-planar reformation image based on the three-dimensional image data set and the determined imaging parameters of the curve plane; and displaying the curve-planar reformation image. ### Claim 8 (depends on 2) The method according to claim 2, wherein when the first image display mode is curve-planar reformation display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining imaging parameters of an imaging curve plane in which the interventional device is disposed based on the obtained position and direction information of the interventional device, where the imaging parameters comprise information of a curve line along which the interventional device is disposed and size of the curve plane; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining a curve-planar reformation image based on the three-dimensional image data set and the determined imaging parameters of the curve plane; and displaying the curve-planar reformation image. ### Claim 9 (depends on 7) The method according to claim 7, further comprising: after the position and direction information of the interventional device is obtained and before the imaging parameters of the imaging curve plane are determined based on the obtained position and direction information of the interventional device, determining whether the interventional device has a curve shape based on the obtained position and direction information of the interventional device, if yes, proceeding to the step of determining imaging parameters of an imaging curve plane in which the interventional device is disposed based on the obtained position and direction information of the interventional device. ### Claim 10 (depends on 1) The method according to claim 1, wherein when the first image display mode is three-dimensional display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining parameter information of an imaging camera plane based on the obtained position and direction information of the interventional device; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining a three-dimensional reformation image based on the three-dimensional image data set and the determined parameter information of the imaging camera plane; and displaying the three-dimensional reformation image. ### Claim 11 (depends on 2) The method according to claim 2, wherein when the first image display mode is three-dimensional display, the step of calculating a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implementing real-time image display based on the first set of imaging parameters comprises: determining parameter information of an imaging camera plane based on the obtained position and direction information of the interventional device; establishing a three-dimensional image data set based on the image data obtained from the scanning process; obtaining a three-dimensional reformation image based on the three-dimensional image data set and the determined parameter information of the imaging camera plane; and displaying the three-dimensional reformation image. ### Claim 12 (depends on 10) The method according to claim 10, wherein the steps of obtaining a three-dimensional reformation image based on the three-dimensional image data set and the determined parameter information of the imaging camera plane and displaying the three-dimensional reformation image comprises: implementing traversal treatments to points on the imaging camera plane, so as to cast a ray from each point on the imaging camera plane along a normal vector direction of the imaging camera plane; calculating intersection points of the rays and the three-dimensional image data set; taking the intersection points as sample points and processing the sample points using image composition to form the three-dimensional reformation image; and displaying the three-dimensional reformation image. ### Claim 13 A scanning system, comprising: a scanning device, adapted to implement a scanning process to obtain scanning data; a reformation device, adapted to convert the scanning data into image data; an identification device, adapted to implement an identification process and a segmentation process to the image data to obtain position and direction information of an interventional device; and a first image display device, adapted to calculate a first set of imaging parameters corresponding to a first image display mode based on the obtained position and direction information of the interventional device, and implement real-time image display based on the first set of imaging parameters. ### Claim 14 (depends on 13) The scanning system according to claim 13, wherein the scanning system is a computed tomography system or a magnetic resonance imaging system.