CN102128842B - Portable double-resource X-ray parallel three-dimensional industrial CT (computed tomography) system and control method thereof - Google Patents
Portable double-resource X-ray parallel three-dimensional industrial CT (computed tomography) system and control method thereof Download PDFInfo
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- CN102128842B CN102128842B CN201010549357A CN201010549357A CN102128842B CN 102128842 B CN102128842 B CN 102128842B CN 201010549357 A CN201010549357 A CN 201010549357A CN 201010549357 A CN201010549357 A CN 201010549357A CN 102128842 B CN102128842 B CN 102128842B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000002591 computed tomography Methods 0.000 title abstract description 29
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- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 1
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Abstract
The invention relates to a portable double-resource X-ray parallel three-dimensional industrial CI (computed tomography) system, which can greatly reducing a mechanical rotation angle of an imaging system. In the technical scheme, the system comprises a notebook computer (18) and a CT machine (12), wherein the notebook computer (18) is provided with a GPU (graphics processing unit) for supporting OpenCL parallel processing; an embedded control system and two vertical light source platforms, namely a first X light source platform (21) and a second X light source platform (24), are arranged in the CT machine (12); an imaging object support platform (23) capable of horizontally rotating for 180 degrees is arranged at the crossing point of the light of light sources of the first X light source platform (21) and the second X light source platform (24); the embedded control system is respectively connected to a control panel of the imaging object support platform (23), an X-ray tube control panel, a control panel of the high-definition CCD detection imagers and a control key (15) of the CT machine (12). The invention also discloses a control method of the portable double-resource X-ray parallel three-dimensional industrial CT system.
Description
Technical field
The invention belongs to industrial CT system device field; Especially a kind ofly obtain projected image fast, significantly be reduced to the picture system mechanics anglec of rotation, thereby improve system stability and parallel three-dimensional industrial CT system of the portable double source X-ray that reduces mechanical rotation imaging system cost and control method thereof.
Background technology
At present the CT system does not still have and adopts two light sources-be detected as the picture parallel processing, and two parallel processing techniques of embedded system, CPU-GPU parallel processing.Common CT system, the image imaging processing time is long, and the mechanical imaging moiety anglec of rotation is big, and the special image disposal system is comparatively expensive.Be unfavorable for portable realization, be unfavorable for wireless network communication.
Summary of the invention
The purpose of this invention is to provide and a kind ofly obtain projected image fast, significantly be reduced to the picture system mechanics anglec of rotation, thereby improve system stability and parallel three-dimensional industrial CT system of the portable double source X-ray that reduces mechanical rotation imaging system cost and control method thereof.
Technical scheme of the present invention is: the portable double source X-ray three-dimensional industrial CT system that walks abreast; It is characterized in that forming by notebook computer (18) and CT machine (12); Notebook computer (18) disposes GPU in order to support the OpenCL parallel processing; In CT machine (12) set inside embedded control system and mutual vertical two light source platforms setting up are arranged; The i.e. first X source platform (21) second X source platforms (24); The first X source platform (21) and the second X source platform (24) are respectively arranged with X-ray tube and high definition CCD surveys imager, is provided with the imaging object support platform (23) that can horizontally rotate 180 degree at the first X source platform (21) and place, second X source platform (24) the source light point of crossing; Embedded control system is connected through lead with the control button (15) of imaging object support platform (23) control panel, X-ray tube control panel, high definition CCD detection imager control panel and CT machine (12) respectively, and the embedded control system of notebook computer (18) and CT machine (12) is connected through netting twine (17).
The said first X source platform (21) is formed by connecting orthogonal first facade (211) and first plane (212); First X-ray tube (22) is arranged on first facade (211) side; The high definition CCD of the first X source platform surveys imager (26) and is arranged on a upward end relative with first X-ray tube (22) of first plane (212), and first plane (212) are provided with first X-ray tube (22) lens direction, the first translation guide rail (28); The said second X source platform (24) is formed by connecting orthogonal second facade (213) and second plane (214); Second X-ray tube (25) of the second X source platform is arranged on second facade (213) side; The high definition CCD detection imager (21
6 of the second X source platform) is arranged on second plane (214) and goes up an end relative with second X-ray tube (25); Second plane (214) is provided with second X-ray tube (25) lens direction, the second translation guide rail (215); First plane (212) be positioned at below second plane (214) and with second plane (214) vertical setting, embedded control system is connected with second translation guide rail (215) control panel with the first translation guide rail (28) respectively.
The RJ45 Ethernet interface of said embedded control system CPU (30) and notebook computer (18) CPU (37) is connected through ethernet line (39); Embedded control system CPU (30) is made up of CPU core (31), graphics process accelerator GE (32) and central dedicated digital signal processor DSP (33), and CPU core (31) is connected with central dedicated digital signal processor DSP (33) with graphics process accelerator GE (32) respectively; Notebook computer (18) is provided with graph processing chips GPU (38), and notebook computer (18) CPU (37) is connected with graph processing chips GPU (38).
Said embedded control system is provided with the 3G communication module.
Control the method for the parallel three-dimensional industrial CT system of portable double source X-ray, it is characterized in that comprising the following steps:
The first step, system boot preheating judge whether that then the X-ray tube preheating finishes, as do not have, and then continue preheating, otherwise get into for second step;
Second goes on foot, spends at subject The Cloud Terrace initial position 0, begins the shooting successively of first X source and second X source;
The 3rd step, successively after the shooting, being provided with according to embedded system program increases subject The Cloud Terrace angle D;
The 4th goes on foot, under this angle of subject The Cloud Terrace, is made a video recording successively by first X source and second X source, gets into next step then;
The 5th goes on foot, judges whether the The Cloud Terrace angle reaches 180 degree, as then not getting back to for the 3rd step, as reaching 180 degree, then gets into next step;
The 6th step, employing OPENCL use the CPU on the notebook computer, and the double source image information that the GE of GPU and embedded system, the parallel processing of DSP unit are obtained is carried out the CT three-dimensional image reconstruction.After image reconstruction finished, science and engineering finished here.
Effect of the present invention is: portable double source X-ray three-dimensional industry CT (Computed Tomography) system that walks abreast; The 3G radio communication with embedded system of joining; Make that the three-dimensional industry CT of the parallel X-ray of this portable double source can the communication of wireless and long-range master-control room server, realize that three-dimensional industry CT portable, quick, real-time Connection Service forms images.Be suitable for using at operation field.Native system adopts two miniature X-ray pipes (mini X-ray tube) that are mutually 90 degree to form two light sources; Form double source imaging system with two high definition X-ray CCD cameras of 90 degree each other for measured body; Under the management of embedded system control circuit, realize the optimization X-ray projected image of measured object is obtained.Its characteristics are:
1, obtains projected image fast, will obtain projected image speed and be enhanced about more than once; 2, significantly be reduced to the picture system mechanics anglec of rotation, thereby improved system stability and reduced mechanical rotation imaging system cost; 3, native system adopts the central processing unit (CPU) and graphic process unit (GPU) parallel processing of embedded system and portable servicer, obtains the calculation function of superhuge computer, the Rapid Realization three-dimensional imaging; 4, join in the 3G of embedded system radio communication; Make that the three-dimensional industry CT of the parallel X-ray of this portable double source can the communication of wireless and long-range master-control room server; Realize three-dimensional industry CT imaging portable, quick, real-time Connection Service, be suitable for using at operation field.
Below in conjunction with accompanying drawing and embodiment the utility model is done further explanation.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a light-source structure synoptic diagram among Fig. 1;
Fig. 3 is that CPU of the present invention connects synoptic diagram;
Fig. 4 is a control flow chart of the present invention.
Embodiment
Among Fig. 1; The portable double source X-ray three-dimensional industrial CT system that walks abreast; Form by notebook computer 18 and CT machine 12; Notebook computer 18 disposes GPU (graph processing chips) in order to support the OpenCL parallel processing, in CT machine 12 set inside embedded control system and mutual vertical two light source platforms setting up, the i.e. first X source platform, 21 second X source platforms 24 is arranged; The first X source platform 21 and the second X source platform 24 are respectively arranged with X-ray tube and high definition CCD surveys imager, is provided with the imaging object support platform 23 that can horizontally rotate 180 degree at the first X source platform 21 and place, the second X source platform, 24 source light point of crossing; Embedded control system is connected (referring to Fig. 2) with the control button 15 of imaging object support platform 23 control panels, X-ray tube control panel, high definition CCD detection imager control panel and CT machine 12 through lead respectively; Embedded control system is provided with the 3G communication module; The embedded control system of notebook computer 18 and CT machine 12 is connected through netting twine 17; 14 is high definition LCD colorful display screen among the figure, and 16 is the outer cabinet handle of CT machine 12.
Among Fig. 2; The first X source platform 21 is formed by connecting with plane 212 orthogonal facade 211; X-ray tube 22 is arranged on facade 211 sides; The high definition CCD of the first X source platform surveys imager 26 and is arranged on the plane 212 end relative with X-ray tube 22, and plane 212 is provided with X-ray tube 22 lens direction translation guide rails 28; The said second X source platform 24 is formed by connecting on orthogonal facade 213 and plane 214; The X-ray tube 25 of the second X source platform is arranged on facade 213 sides; The high definition CCD of the second X source platform surveys imager 216 and is arranged on the plane 214 end relative with X-ray tube 25; Plane 214 is provided with X-ray tube 25 lens direction translation guide rails 215; Plane 212 be positioned at below the plane 214 and with plane 214 vertical setting, embedded control system is connected with translation guide rail 215 control panels with translation guide rail 28 respectively, 29 is the pedestal that support can horizontally rotate the 180 imaging object support platforms spent; 27 for supporting the platform that the corresponding first X source high definition CCD surveys imager, and 210 for supporting the platform that the corresponding second X source high definition CCD surveys imager.
Among Fig. 3, the RJ45 Ethernet interface of embedded control system CPU30 and notebook computer 18CPU37 is connected through ethernet line 39; Embedded control system CPU30 is made up of CPU core 31, graphics process accelerator GE32 and central dedicated digital signal processor DSP33, and CPU core 31 is connected with central dedicated digital signal processor DSP33 with graphics process accelerator GE32 respectively; Notebook computer 18 is provided with graph processing chips GPU38, and notebook computer 18CPU37 is connected with graph processing chips GPU38.
Among Fig. 4, control the method for the parallel three-dimensional industrial CT system of portable double source X-ray, it is characterized in that comprising the following steps:
The first step, system boot preheating judge whether that then the preheating of X-light ray pipe finishes, as do not have, and then continue preheating, otherwise get into for second step;
Second goes on foot, spends at subject The Cloud Terrace initial position 0, begins the shooting successively of an X-light source and the 2nd X-light source;
The 3rd step, successively after the shooting, being provided with according to embedded system program increases The Cloud Terrace angle D;
The 4th goes on foot, under this angle of The Cloud Terrace, is made a video recording successively by an X-light source and the 2nd X-light source, gets into next step then;
The 5th goes on foot, judges whether The Cloud Terrace reaches 180 degree, as then not getting back to for the 3rd step, as reaching 180 degree, then gets into next step;
The 6th step, employing OPENCL use the CPU on the notebook computer, and the double source image information that the GE of GPU and embedded system, the parallel processing of DSP unit are obtained is carried out the CT three-dimensional image reconstruction.After image reconstruction finished, science and engineering finished here
Claims (4)
1. the portable double source X-ray three-dimensional industrial CT system that walks abreast; It is characterized in that forming by notebook computer (18) and CT machine (12); Notebook computer (18) disposes GPU in order to support the OpenCL parallel processing; In CT machine (12) set inside embedded control system and mutual vertical two light source platforms setting up are arranged; The i.e. first X source platform (21) second X source platforms (24), the first X source platform (21) and the second X source platform (24) are respectively arranged with X-ray tube and high definition CCD surveys imager, are provided with at the first X source platform (21) and place, second X source platform (24) the source light point of crossing to horizontally rotate the 180 imaging object support platforms (23) spent; Embedded control system is connected through lead with the control button (15) of imaging object support platform (23) control panel, X-ray tube control panel, high definition CCD detection imager control panel and CT machine (12) respectively, and the embedded control system of notebook computer (18) and CT machine (12) is connected through netting twine (17);
The said first X source platform (21) is formed by connecting orthogonal first facade (211) and first plane (212); First X-ray tube (22) is arranged on first facade (211) side; The high definition CCD of the first X source platform surveys imager (26) and is arranged on a upward end relative with first X-ray tube (22) of first plane (212), and first plane (212) are provided with first X-ray tube (22) lens direction, the first translation guide rail (28); The said second X source platform (24) is formed by connecting orthogonal second facade (213) and second plane (214); Second X-ray tube (25) of the second X source platform is arranged on second facade (213) side; The high definition CCD of the second X source platform surveys imager (216) and is arranged on a upward end relative with second X-ray tube (25) of second plane (214); Second plane (214) is provided with second X-ray tube (25) lens direction, the second translation guide rail (215); First plane (212) be positioned at below second plane (214) and with second plane (214) vertical setting, embedded control system is connected with second translation guide rail (215) control panel with the first translation guide rail (28) respectively.
2. the portable double source X-ray according to claim 1 three-dimensional industrial CT system that walks abreast is characterized in that the RJ45 Ethernet interface of said embedded control system CPU (30) and notebook computer (18) CPU (37) is connected through ethernet line (39); Embedded control system CPU (30) forms by CPU core (31), graphics process accelerator GE (32) with for central dedicated digital signal processor DSP (33), and CPU core (31) is connected with central dedicated digital signal processor DSP (33) with graphics process accelerator GE (32) respectively; Notebook computer (18) is provided with graph processing chips GPU (38), and notebook computer (18) CPU (37) is connected with graph processing chips GPU (38).
3. the portable double source X-ray according to claim 1 and 2 three-dimensional industrial CT system that walks abreast is characterized in that said embedded control system is provided with the 3G communication module.
4. the method for the parallel three-dimensional industrial CT system of the described portable double source X-ray of above-mentioned each claim of control is characterized in that comprising the following steps:
The first step, system boot preheating judge whether that then the X-ray tube preheating finishes, as do not have, and then continue preheating, otherwise get into for second step;
Second goes on foot, spends at subject support platform initial position 0, begins the shooting successively of first X source and second X source;
The 3rd step, successively after the shooting, being provided with according to embedded system program increases subject support platform angle;
The 4th goes on foot, under this angle of subject support platform, is made a video recording successively by first X source and second X source, gets into next step then;
The 5th goes on foot, judges whether subject support platform angle reaches 180 degree, as then not getting back to for the 3rd step, as reaching 180 degree, then gets into next step;
The 6th step, employing OPENCL use the CPU on the notebook computer; The double source image information that the graphics processing engine GE of GPU and embedded system, the parallel processing of digital signal processing DSP unit are obtained; Carry out the CT three-dimensional image reconstruction, after image reconstruction finished, science and engineering finished here.
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| CN102497386B (en) * | 2011-10-09 | 2015-02-25 | 李华 | Control system for mobile platform of quantum microscopic CT (computed tomography) instrument in cloud computing environment |
| CN102621681B (en) * | 2012-03-09 | 2014-07-16 | 李华 | Compensation system for imaging attenuation of quantum microscopic computer tomography (CT) cone beam (CONE BEAM) and control method of compensation system |
| CN104007131A (en) * | 2014-05-23 | 2014-08-27 | 中国科学院过程工程研究所 | Portable CT (computed tomography) scanning equipment, portable CT system and CT detection method |
| US9933375B2 (en) * | 2015-09-25 | 2018-04-03 | Olympus Scientific Solutions Americas, Inc. | XRF/XRD system with dynamic management of multiple data processing units |
| CN109164116B (en) * | 2018-07-26 | 2021-01-12 | 中国人民解放军96630部队 | Control system for industrial CT detection system |
| CN110726741A (en) * | 2019-11-18 | 2020-01-24 | 中山新永一测控设备有限公司 | Double-lens X-ray food detection equipment |
| CN114994103A (en) * | 2022-08-05 | 2022-09-02 | 安徽启路达光电科技有限公司 | Portable article inspection apparatus |
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| DE102007052448A1 (en) * | 2007-11-02 | 2009-05-07 | Siemens Ag | Correction of the transverse spread in a multi-beam CT device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4120295A1 (en) * | 1991-06-17 | 1992-12-24 | Zentralinstitut Fuer Kernforsc | Gamma-ray absorption meter for flowing fluid density - uses soft radiation with four intense spectral lines improving energy resolution by selection of pulse shape |
| CN1607385A (en) * | 2003-10-16 | 2005-04-20 | 清华大学 | Double radiation source frame structure used for container detecting system |
| CN1794898A (en) * | 2004-12-22 | 2006-06-28 | 西门子公司 | X-ray system having a first and a second X-ray array |
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| CN201611480U (en) * | 2010-04-08 | 2010-10-20 | 辉达公司 | Device for transmitting and receiving general-purpose computation data of graphics processing unit by MIO interface |
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