CN111528875B - X-ray scanning system based on linearization path - Google Patents
X-ray scanning system based on linearization path Download PDFInfo
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Abstract
The invention discloses an X-ray scanning system based on a linearization path, and relates to the field of X-ray scanning systems. In the invention, the following components are added: collecting node coordinate parameters of a human body part to be scanned on an X-ray receiving device of X-ray equipment; the analysis of regional node parameters in a computer analysis system comprises the analysis of end-side node parameters in the acquired parameter information and the analysis of link node parameters corresponding to boundary positions, and final linear path parameters/functions are output through the corresponding parameter comparison between the link dynamic node parameters and initial linearization functions formed between the end-side nodes. The invention collects regional node coordinate parameters of the occupied areas of different human body parts on the X-ray machine, and performs critical parameter definition on the human body parts by analyzing the parameters of the regional node parameters, thereby realizing X-ray scanning operation of the linearization area, reducing scanning of X-ray machine in an over-boundary manner, and reducing power consumption and radiation.
Description
Technical Field
The invention relates to the field of X-ray machine scanning systems, in particular to an X-ray scanning system based on a linearization path.
Background
The application of X-ray apparatus in medicine is very common, and the use of X-ray apparatus is more common in the medical fields of human examination, chemotherapy treatment, etc. When the X-ray machine performs corresponding examination on the human body part, the X-ray machine directly irradiates and scans the human body part in a large area without orientation, and the X-ray machine can better realize the examination effect, but generates larger radiation quantity, causes larger damage to the human body and wastes larger electric energy/energy consumption; when the X-ray machine is used for checking the human body parts, the human body parts are generally irregular, the individual body types of all the people are different, and also, some injured parts can be deformed, edema and the like, the fixed type X-ray machine scanning control is not an effective measure, and the problem to be solved is how to dynamically and linearly perform the X-ray machine scanning operation.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an X-ray scanning system based on a linearization path, so that X-ray scanning operation of a linearization area is realized, scanning of X-ray machine cross-demarcation is reduced, and power consumption and radiation are reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides an X-ray scanning system based on a linearization path, wherein a plurality of regional sensing parts are arranged in an X-ray receiving device of X-ray machine equipment, and each regional sensing part is provided with a plurality of sensors distributed in a punctiform manner;
defining system coordinates corresponding to synchronization on an X-ray irradiation device and an X-ray receiving device of X-ray equipment;
collecting node coordinate parameters of a human body part to be scanned on an X-ray receiving device of X-ray equipment;
the analysis of regional node parameters in a computer analysis system comprises the analysis of end-side node parameters in the acquired parameter information and the analysis of link node parameters corresponding to boundary positions, and final linear path parameters/functions are output through the corresponding parameter comparison between the link dynamic node parameters and initial linearization functions formed between the end-side nodes.
As a preferable technical scheme of the invention, the pressure position information adopted on the X-ray machine equipment is converted into coordinate parameter information preset in the system through a signal conversion module.
As a preferable technical scheme of the invention, the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the upper critical region: setting the node low-site coordinates of the upper critical area: (X1, Y1); setting the upper critical area node high-position point coordinates: (X2, Y2); setting the dynamic coordinates of the upper critical area: (Xu, yu); the upper initial linear function F12 (X) =f [ (X1, Y1), (X2, Y2) ].
Let upper level difference cs=yu-F12 (Xu); analyzing the corresponding value of the upper level difference, establishing a set { Cs }, and taking the maximum value Cmax (the maximum value Cmax can be a positive value or a negative value) thereof; when the maximum Cmax is positive, the upper linear boundary in the region segment is fa=f12 (X) +cmax; when the maximum value Cmax is negative, the upper linear boundary in the region segment is finally fa=f12 (X).
As a preferable technical scheme of the invention, the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the lower critical region: setting the lower critical area node low-site coordinates: (X3, Y3); setting the node high-point coordinates of the lower critical area: (X4, Y4); setting the dynamic coordinates of the lower critical area: (Xd, yd); the lower initial linear function F34 (X) =f [ (X3, Y3), (X4, Y4) ].
Setting a lower displacement amount cd=yd-F12 (Xd); analyzing the corresponding value of the lower differential quantity, establishing a set { Cs }, and taking the minimum value Cmin (the minimum value Cmin can be a positive value or a negative value) thereof; when the minimum value Cmin is a positive value, the lower linear boundary in the final region segment is fb=f34 (X); when the minimum value Cmin is negative, then finally the lower linear boundary in this region segment is fb=f34 (X) - |cmin|.
As a preferable technical scheme of the invention, the computer analysis system drives the control system/controller to complete the linearization scanning process of the X-ray machine by obtaining final linear path parameters/functions.
Compared with the prior art, the invention has the beneficial effects that:
the invention establishes systematic coordinate parameters for the X-ray device, collects regional node coordinate parameters for the occupied areas of different human body parts on the X-ray device, performs critical parameter definition for the human body parts by analyzing the parameters of the regional node parameters, realizes X-ray scanning operation of a linearization area, reduces scanning of X-ray over-boundary, and reduces power consumption and radiation.
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FIG. 1 is a schematic diagram of a system architecture of an X-ray scanning system based on a linearization path according to the invention;
FIG. 2 is a schematic diagram of a functional relationship of parameter analysis of regional node parameters in the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention relates to an X-ray scanning system based on a linearization path, wherein a plurality of regional sensing parts are arranged in an X-ray receiving device of X-ray machine equipment, and each regional sensing part is provided with a plurality of sensors distributed in a punctiform manner;
defining system coordinates corresponding to synchronization on an X-ray irradiation device and an X-ray receiving device of X-ray equipment;
collecting node coordinate parameters of a human body part to be scanned on an X-ray receiving device of X-ray equipment;
the analysis of regional node parameters in a computer analysis system comprises the analysis of end-side node parameters in the acquired parameter information and the analysis of link node parameters corresponding to boundary positions, and final linear path parameters/functions are output through the corresponding parameter comparison between the link dynamic node parameters and initial linearization functions formed between the end-side nodes.
As a preferable technical scheme of the invention, the pressure position information adopted on the X-ray machine equipment is converted into coordinate parameter information preset in the system through a signal conversion module.
As a preferable technical scheme of the invention, the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the upper critical region: setting the node low-site coordinates of the upper critical area: (X1, Y1); setting the upper critical area node high-position point coordinates: (X2, Y2); setting the dynamic coordinates of the upper critical area: (Xu, yu); the upper initial linear function F12 (X) =f [ (X1, Y1), (X2, Y2) ].
Let upper level difference cs=yu-F12 (Xu); analyzing the corresponding value of the upper level difference, establishing a set { Cs }, and taking the maximum value Cmax (the maximum value Cmax can be a positive value or a negative value) thereof; when the maximum Cmax is positive, the upper linear boundary in the region segment is fa=f12 (X) +cmax; when the maximum value Cmax is negative, the upper linear boundary in the region segment is finally fa=f12 (X).
As a preferable technical scheme of the invention, the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the lower critical region: setting the lower critical area node low-site coordinates: (X3, Y3); setting the node high-point coordinates of the lower critical area: (X4, Y4); setting the dynamic coordinates of the lower critical area: (Xd, yd); the lower initial linear function F34 (X) =f [ (X3, Y3), (X4, Y4) ].
Setting a lower displacement amount cd=yd-F12 (Xd); analyzing the corresponding value of the lower differential quantity, establishing a set { Cs }, and taking the minimum value Cmin (the minimum value Cmin can be a positive value or a negative value) thereof; when the minimum value Cmin is a positive value, the lower linear boundary in the final region segment is fb=f34 (X); when the minimum value Cmin is negative, then finally the lower linear boundary in this region segment is fb=f34 (X) - |cmin|.
As a preferable technical scheme of the invention, the computer analysis system drives the control system/controller to complete the linearization scanning process of the X-ray machine by obtaining final linear path parameters/functions.
In the invention, as shown in fig. 2, the upper linear boundary Fa is used for enclosing the upper critical area point position, carrying out full upper-position accommodation on the upper boundary parameter of the current area in a linear (straight line) mode, and the same principle is adopted that the upper linear boundary Fb is used for enclosing the lower critical area point position, carrying out full lower-position accommodation on the lower boundary parameter of the current area in a linear (straight line) mode, thus, the linear scanning can be completed by directly adopting an X-ray scanning mechanism with a linear movement angle, the movement requirement of hardware facilities is reduced, and the control complexity and the cost requirement of a movement system are reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. An X-ray scanning system based on a linearization path, characterized in that:
a plurality of regional sensing parts are arranged in an X-ray receiving device of X-ray equipment, and each regional sensing part is provided with a plurality of sensors distributed in a punctiform manner;
defining system coordinates corresponding to synchronization on an X-ray irradiation device and an X-ray receiving device of X-ray equipment;
collecting node coordinate parameters of a human body part to be scanned on an X-ray receiving device of X-ray equipment;
analyzing regional node parameters in a computer analysis system, including end side node parameter analysis in the acquired parameter information and link node parameter analysis corresponding to the boundary position, and outputting final linear path parameters/functions by comparing corresponding parameters between link dynamic node parameters and initial linearization functions formed between the end side nodes;
the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the upper critical region:
setting the node low-site coordinates of the upper critical area: (X1, Y1);
setting the upper critical area node high-position point coordinates: (X2, Y2);
setting the dynamic coordinates of the upper critical area: (Xu, yu);
the upper initial linear function F12 (X) =f [ (X1, Y1), (X2, Y2) ];
let upper level difference cs=yu-F12 (Xu);
analyzing the corresponding value of the upper level difference, establishing a set { Cs }, and taking the maximum value Cmax (the maximum value Cmax can be a positive value or a negative value) thereof;
when the maximum Cmax is positive, the upper linear boundary in the region segment is fa=f12 (X) +cmax;
when the maximum Cmax is negative, the upper linear boundary in the region segment is fa=f12 (X);
the computer analysis system performs parameter analysis on the regional node parameters:
including linear analysis of the lower critical region:
setting the lower critical area node low-site coordinates: (X3, Y3);
setting the node high-point coordinates of the lower critical area: (X4, Y4);
setting the dynamic coordinates of the lower critical area: (Xd, yd);
the lower initial linear function F34 (X) =f [ (X3, Y3), (X4, Y4) ];
setting a lower displacement amount cd=yd-F34 (Xd);
analyzing the corresponding value of the lower differential quantity, establishing a set { Cs }, and taking the minimum value Cmin (the minimum value Cmin can be a positive value or a negative value) thereof;
when the minimum value Cmin is a positive value, the lower linear boundary in the final region segment is fb=f34 (X);
when the minimum value Cmin is negative, then finally the lower linear boundary in this region segment is fb=f34 (X) - |cmin|.
2. An X-ray scanning system based on a linearization path according to claim 1, wherein:
the pressure position information adopted on the X-ray machine equipment is converted into coordinate parameter information preset in the system through a signal conversion module.
3. An X-ray scanning system based on a linearization path according to claim 1, wherein:
and the computer analysis system drives the control system/controller to complete the linearization scanning process of the X-ray machine by obtaining final linear path parameters/functions.
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| JP2007054372A (en) * | 2005-08-25 | 2007-03-08 | Ge Medical Systems Global Technology Co Llc | X-ray ct apparatus |
| US7995054B2 (en) * | 2005-11-21 | 2011-08-09 | Leica Geosystems Ag | Identification of edge regions from 3D point data |
| AU2007202027A1 (en) * | 2007-05-04 | 2008-11-20 | Canon Kabushiki Kaisha | Path Optimisation |
| KR101440620B1 (en) * | 2008-02-01 | 2014-09-17 | 삼성전자주식회사 | Method and apparatus for estimation of object boundaries in moving picture |
| CN102961154B (en) * | 2011-08-31 | 2016-07-06 | Ge医疗系统环球技术有限公司 | Regulate the method for exposure field of x-ray system and device and x-ray system |
| JP2016106814A (en) * | 2014-12-05 | 2016-06-20 | 株式会社日立メディコ | Medical image diagnostic apparatus and imaging range display method |
| EP3273861A1 (en) * | 2015-03-27 | 2018-01-31 | 3Shape A/S | A method of reducing the x-ray dose in an x-ray system |
| WO2017073703A1 (en) * | 2015-10-30 | 2017-05-04 | キヤノン株式会社 | Medical image processing device, control method therefor, and program |
| DE102015224331B4 (en) * | 2015-12-04 | 2019-03-21 | Siemens Healthcare Gmbh | Method for adjusting the brightness of an X-ray image, X-ray device, computer program and data carrier |
| JP7055599B2 (en) * | 2016-06-06 | 2022-04-18 | キヤノンメディカルシステムズ株式会社 | X-ray CT device |
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| US20190392265A1 (en) * | 2018-06-22 | 2019-12-26 | Siemens Medical Solutions Usa, Inc. | Patient-Adaptive Nuclear Imaging |
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