CN203244404U - Multi-mode digital radiography system - Google Patents
Multi-mode digital radiography system Download PDFInfo
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- CN203244404U CN203244404U CN 201320163280 CN201320163280U CN203244404U CN 203244404 U CN203244404 U CN 203244404U CN 201320163280 CN201320163280 CN 201320163280 CN 201320163280 U CN201320163280 U CN 201320163280U CN 203244404 U CN203244404 U CN 203244404U
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Abstract
The utility model provides a multi-mode DR system which belongs to the technical field of medical X ray imaging. The DR system comprises an acquisition control console and a plurality of detectors of multiple types coupled with the acquisition control console, wherein any one detector is operationally selected and activated by the acquisition control console. The multi-mode digital radiography system can work under multiple modes by selecting and activating the detectors of different types, has flexible functions, and is wide in application range. In addition, imaging quality is easily ensured.
Description
Technical field
This utility model belongs to the medical X-ray imaging technical field, relates to digitalization radiation shooting (Digital Radiography, DR) system, relates in particular to the multi-mode digital radiation filming system of supporting polytype detector (Detector).
Background technology
Digitalization radiation shooting (DR) system is widely used in the image section office of hospital, and it usually comprises x ray generator (being also referred to as bulb), detector (or being called sampler), acquisition controlling platform (having simultaneously gathering the image processing function of image) and machinery part (such as bed, arm etc.).Wherein, detector is the critical component of DR system, and it is larger on the impact of DR picture quality.In the DR system that produce or dissimilar of different vendor, select possibly dissimilar detector.
The type of detector mainly is that the difference according to its imaging operation principle and/or critical piece constituent material defines.Such as, difference according to operation principle, detector comprises the Amorphous silicon flat-panel detectors of indirect conversion type, the direct polytype detector such as the Amorphous Selenium Flat-Panel Detectors of conversion type and ccd detector, wherein, the photoreceptor material of Amorphous silicon flat-panel detectors, Amorphous Selenium Flat-Panel Detectors is not identical (being respectively amorphous silicon layer and amorphous selenium layer); Further, Amorphous silicon flat-panel detectors according to the difference of its scintillator that adopts (also being conversion screen) material, can be divided into cesium iodide non-crystalline silicon type and gadolinium oxysulfide non-crystalline silicon type again; Wherein, the structure of cesium iodide non-crystalline silicon type (being designated hereinafter simply as the CsI flat board) is roughly cesium iodide (CsI)+a-Si+TFT, and the structure of gadolinium oxysulfide non-crystalline silicon type (being designated hereinafter simply as the GOS flat board) is roughly cesium iodide Gd
2O
2S:Tb+a-Si+TFT.Certainly, the division of the type of detector is not limited to above situation and above type class, and it can also carry out type to it according to the difference of various structures divides, and perhaps the model definition according to manufacturer carries out the type division.
Because the difference of the type of detector, the characteristic of detector (such as size, sensitivity, pixel etc.) also shows different, the formation method of the DR system that it is corresponding also is difference to some extent, it is reflected on the hardware of acquisition controlling platform or the Image Acquisition software system needs to become privileged accordingly design, and becomes privileged operation.For example, it is mutually different using DR system employed exposure parameter in imaging process of dissimilar detector, and employed image processing parameter also is mutually different in image processing process.And dissimilar detector also reflects its mass discrepancy, and the dissimilar imaging applications occasion that detector was suitable for is not identical yet; For example, the detector of relatively high-quality type (price is also relatively costly) is suitable for pediatric diagnosis to be used, and the detector of relatively low-quality type (price is also relatively cheap) is suitable for the diagnostic application of being grown up; Again for example, for same check point DR imaging, the picture quality of dissimilar detector is difference to some extent, thereby different check points are needed dissimilar detector sometimes, to shoot the image that is conducive to diagnose most; Also for example, the noise pattern of dissimilar detector is also different.
Current, the DR system usually adopts one type detector, for example, veneer DR system, the systems soft ware of the acquisition controlling platform of this DR system adopts corresponding a kind of imaging system type, and its imaging control procedure is relatively simple, but its applicable surface is narrow, very flexible.For enlarging its applicable surface, many of the logical buyings of hospital adopt respectively the DR system of dissimilar detector to solve this problem, for example, use is based on the DR system of GOS flat board with based on two kinds of the DR systems of CsI flat board, and the two is exclusively used in respectively the radial imaging of different case crowds or different check points.But, significantly, this solution high cost, the equipment waste is serious.
Summary of the invention
For solving above or the other technologies problem, this utility model provides a kind of multi-mode DR system that can support flexibly polytype detector simultaneously.
According to one side of the present utility model, a kind of formation method of multi-mode digital radiation filming system is provided, it is characterized in that, may further comprise the steps:
From polytype detector, select a detector and activate selecteed detector;
Determine its corresponding imaging system type according to the type of this detector;
Automatically load imaging parameters that should detector according to this imaging system type; And
Expose based on this imaging parameters, and carry out image and process.
Formation method according to the multi-mode digital radiation filming system of this utility model one embodiment, wherein, the type of the corresponding detector of each detector is registered among the imaging system type information data base, in the step of determining corresponding imaging system type, determine the type of described detector according to imaging system type information data base, and further according to the type of detector, related corresponding imaging system type from imaging system type information data base.
Further, described imaging system type information data base makes up by following steps at least:
When the multi-mode digital radiation filming system is installed or is registered arbitrary detector, determine the type of this detector and specify its corresponding imaging system type, the type information of this detector and the corresponding information of this imaging system type are stored among the imaging system type information data base.
Alternatively, described detector is the detector that is fixedly mounted in the described digitalization radiation shooting system.
Formation method according to the multi-mode digital radiation filming system of the another embodiment of this utility model, wherein, the type of described detector is definite by the product ID of this detector, and when activating detector, and by the related corresponding imaging system type of this product ID.
Alternatively, described detector is the packaged type detector, and it is by communication and described digitalization radiation shooting system, coupled.
In the formation method of the multi-mode digital radiation filming system of described arbitrary embodiment before, described imaging parameters can comprise image correction parameter, exposure parameter and image processing parameter.
In the formation method of the multi-mode digital radiation filming system of described arbitrary embodiment before, described polytype detector can comprise: cesium iodide non-crystalline silicon type flat panel detector and gadolinium oxysulfide non-crystalline silicon type flat panel detector.
According to this utility model formation method of the multi-mode digital radiation filming system of an embodiment also, wherein, the imaging parameters of the detector of corresponding the second type can be according to the imaging parameters of corresponding the first type according to calculating.
In the formation method of the multi-mode digital radiation filming system of described arbitrary embodiment before, described imaging parameters can be stored among the imaging system type information data base, and is being shown in user interface after automatically loading.
According to another aspect of the present utility model, a kind of multi-mode digital radiation filming system is provided, it comprises acquisition controlling platform and a plurality of polytype detector that is coupled with described acquisition controlling platform, wherein, described acquisition controlling platform comprises:
Detector is selected module, is used for selecting a detector and activating selecteed detector from described polytype detector;
Imaging system type determination module is used for activating selecteed detector and determining its corresponding imaging system type according to the type of this detector; With
The imaging parameters load-on module is used for automatically loading imaging parameters that should detector according to this imaging system type.
According to the multi-mode digital radiation filming system of this utility model one embodiment, wherein, described acquisition controlling platform also comprises:
Picture system type information data base, it is for type information and the corresponding information of imaging system type of storing described detector;
Wherein, described imaging system type determination module, imaging parameters load-on module and described picture system type information data base couple.
In the multi-mode digital radiation filming system of described embodiment before, preferably, described acquisition controlling platform also comprises: the detector Registering modules, it is used for type, the imaging system type of the corresponding detector of each detector are registered in imaging system type information data base.
Alternatively, described a plurality of polytype detector is by wired or wireless connected mode and the coupling of described acquisition controlling platform.
Alternatively, described polytype detector can comprise: cesium iodide non-crystalline silicon type flat panel detector and gadolinium oxysulfide non-crystalline silicon type flat panel detector.
Preferably, described acquisition controlling platform also comprises subscriber interface module, exposure control module and image processing module.
Provide a kind of multi-mode digital radiation filming system also on the one hand according to of the present utility model, it comprises
Detector is selected module, is used for selecting a detector and activating selecteed detector from described polytype detector;
Imaging system type determination module is used for determining its corresponding imaging system type according to the type of this detector; With
The imaging parameters load-on module is used for automatically loading imaging parameters that should detector according to this imaging system type;
The exposure control module, it is used for technology and exposes based on this imaging parameters; And
Image processing module, it is used for carrying out image based on this imaging parameters and processes.
This utility model can be supported polytype detector, and can make the user can determine fast the corresponding IST of employed detector, uses different imaging techniques thereby distinguish easily; Therefore, formation method of the present utility model can be worked the DR system under multi-mode, and flexible function is widely applicable, easy-to-use; And, processing ease when type photodetector changes, system extension is good, and it is more accurate easy to calibrate, and image quality easily is guaranteed; Can save in particular the DR system upgrade cost of hospital.
Description of drawings
From following detailed description by reference to the accompanying drawings, will make above and other purpose of the present utility model and advantage more complete clear, wherein, same or analogous key element adopts identical label to represent.
Fig. 1 is the modular structure schematic diagram according to the multi-mode DR system of this utility model one embodiment.
Fig. 2 is the formation method schematic flow sheet according to the DR system of this utility model one embodiment.
Fig. 3 is the formation method embodiment illustrated in fig. 2 procedure schematic diagram to installation or the registration of detector before enforcement.
The specific embodiment
The below introduces is a plurality of some in may embodiment of the present utility model, aims to provide basic understanding of the present utility model, is not intended to confirm key of the present utility model or conclusive key element or limits claimed scope.Easily understand, according to the technical solution of the utility model, do not changing under the connotation of the present utility model other implementations that one of ordinary skill in the art can propose mutually to replace.Therefore, the following specific embodiment and accompanying drawing only are the exemplary illustrations to the technical solution of the utility model, and should not be considered as of the present utility model all or be considered as restriction or restriction to technical solutions of the utility model.
In the following description, clear and simple and clear for what describe, all a plurality of parts that do not have the DR system are not described.Provide the disclosure that can realize fully of the present utility model shown in the drawings of a plurality of parts for those of ordinary skills.To those skilled in the art, it all is familiar and obvious being permitted multipart operation.
Herein, dissimilar detector refers to because the institutes such as the difference of its operation principle difference, critical piece constituent material and/or architectural difference cause needs to use different imaging system type (Imaging System Type, IST) detector, for example, CsI flat board and the GOS flat board of current main flow are two kinds of dissimilar detectors, the material of the scintillator that it adopts is different, and it adopts respectively different IST; IST has reflected the type of Image Acquisition software, different IST can corresponding different imaging parameters, thereby have at least different noise (noise) pattern, different image processing process and image processing parameter, therefore, different IST can reflect different imaging techniques.
Figure 1 shows that the modular structure schematic diagram according to the multi-mode DR system of this utility model one embodiment.The detector of number of different types can be set in the DR system 10, embodiment as shown in Figure 1, the flat board 113 of CsI flat board 111, GOS dull and stereotyped 112 and other types is coupled with the acquisition controlling platform 130 of DR system 10.In this embodiment, dissimilar detector describes take CsI flat board 111, GOS dull and stereotyped 112 as example, but, set detector is not limited to these two types in the DR system 10, for example, the flat board 113 of other types can be Amorphous Selenium Flat-Panel Detectors, ccd detector, and, along with the development of detector technology is changed, emerging type photodetector also can be arranged in this DR system 10.
The flat board 113 of CsI flat board 111, GOS dull and stereotyped 112 and other types is not restrictive with the coupled modes of acquisition controlling platform 130, and for example it can adopt wired or wireless mode to connect; For the flat panel detector of movable type, preferably adopt wireless mode to be of coupled connections.
The mode of operation that DR system 10 supports at least to use the mode of operation of CsI flat board 111 and supports to use GOS flat board 112, therefore, it can realize multi-mode function, and its applicable surface is enlarged greatly.For realizing this function, the acquisition controlling platform 130 of DR system 10 is configured to comprise detector selection module 131, IST determination module 132, imaging parameters load-on module 133 and IST information database 134.The CsI flat board 111 of acquisition controlling platform 130, GOS flat board 112 are when installing registration, its respectively corresponding type photodetector information, appointed IST information be stored in IST information database 134, and the corresponding information of each IST (for example image-forming information) is stored in the IST information database 134.Wherein, for IST, those skilled in the art can design the IST system that is applicable to this type photodetector in advance according to the type requirement of existing detector, therefore IST are not elaborated at this.
Figure 2 shows that the formation method schematic flow sheet according to the DR system of this utility model one embodiment.Figure 3 shows that the formation method embodiment illustrated in fig. 2 procedure schematic diagram to installation or the registration of detector before enforcement.Describe below in conjunction with Fig. 1-Fig. 3.
At first need to make up IST information database as shown in Figure 1, as shown in Figure 3, step S310 selects the detector of a model to install or register at acquisition controlling platform 130.Usually the detector supported of DR system 10 is provided by manufacturer, and it has corresponding model, the user also can by some mode know type photodetector under it, with and the IST that is suitable for., before imaging is used, need to install or register it at the detector of this model.
Further, step S321 judges whether this detector belongs to the CsI flat board; Enter step S322 if be judged as "No", judge whether this detector belongs to the GOS flat board; Enter step S323 if further be judged as "No", judge whether this detector belongs to other a certain type detectors.Until be judged as "Yes", to determine the type of this detector, enter step S330, in the data base, preserve the type information of this detector.The type information of detector can be stored in the IST information database 134, so that in imaging process thereafter, and when using this detector, can be by know fast the type photodetector under it such as the type information of detector.
Further, step S340 specifies the IST of this detectors.The user can specify the IST of this detectors in the situation of knowing the IST that this detector is suitable for.Whether detector is fit to this IST is mainly to be to determine according to the type of detector, and the detector of unlike signal may be corresponding to same IST in the situation that its described type is identical.
Further, step S350 is stored in the corresponding information of this IST among this data base.The corresponding information of IST be stored with the data base in, therefore, type photodetector changes and during automatic switchover IST, this information can be transferred configuration exposure control module, image processing module etc. easily, therefore fast, convenient, efficient.
So far, the installation of the detector of this model or registration process are finished.A plurality of dissimilar detectors can carry out process as shown in Figure 3 not one by one, finishing its installation or registration process, thereby make the relevant information of polytype detector that IST information database 134 corresponding stored might be used to.
Consult Fig. 2, in imaging process, primarily, select a detector.Particularly, the user is when logging in use acquisition controlling platform 130, GUI module 136 can show the detector of each type of having installed or having registered and supply user selection, and can load simultaneously and show the dependent imaging parameter corresponding to the detector of each type, for example exposure parameter.Detector selects module 131 to be used for selecting from polytype detector a kind of detector of current application.
Further, step S220 activates this detector.Detector selects module 131 further it can be activated, thereby this detector can be connected with acquisition controlling platform 130.
Further, step S230 determines its IST according to the type of detector.In this step, because the type of the corresponding detector of each detector is registered in the IST information database 134, IST determination module 132 not only can be known the type photodetector that it is corresponding fast according to the model of detector from IST information database 134, simultaneously, IST determination module 132 can also be according to the type of detector, related corresponding IST from IST information database 134 is to determine fast its employed IST.For example, if be that CsI is dull and stereotyped according to detector, in IST information database 134, store the dull and stereotyped corresponding IST type of this CsI and the corresponding information of IST, read storage information from IST information database 134, determined to use a certain IST to carry out imaging operation.This method goes for being fixedly mounted on the detector in the DR system 10.
In another embodiment, for the packaged type detector, it is by communication and 10 couplings of DR system, because some manufacturer identifies its corresponding type by product ID, for example, represent the type of detector by a certain numeral in the serial number, detector selected and that activate can directly be determined its type by its product ID, and by the related IST that it is suitable for mutually of this product ID.
Therefore, when the type photodetector that uses changed, IST determination module 132 can correspondingly switch IST fast at this, made this IST be applicable to the detector of current type in imaging process thereafter.
Further, step S240 automatically loads imaging parameters that should detector according to this IST.In this step, imaging parameters load-on module 133 is transferred imaging parameters according to corresponding IST from IST information database 134, be loaded on DR system 10.Owing to (for example having stored information corresponding to IST in the IST information database 134, the CsI flat board is stored corresponding configuration parameter in IST information database 134, the GOS flat board is stored corresponding configuration parameter in IST information database 134), this information has comprised usually required whole parameters of imaging, also is the imaging parameter.Particularly, imaging parameters comprises image correction parameter, exposure parameter and image processing parameter, and it can reflect the physical characteristic that IST is corresponding.
In one embodiment, when there is certain relatedness in the characteristic between two types the detector, also may there be corresponding relatedness in its imaging parameters, for example, normally, for the exposure dose in the exposure parameter, the CsI dull and stereotyped 111 required relative GOS of exposure dose dull and stereotyped 112 required exposure doses lack about 30%; Therefore, when the exposure dose parameter of GOS flat board 112 has been stored in the IST information database 134, imaging parameters load-on module 133 can be according to the exposure dose parameter of the exposure dose calculation of parameter CsI flat board 111 of GOS flat board 112, and then automatically is carried in the DR system 10.When there is relatedness in the imaging parameters of two types detectors, can according to the imaging parameters of the detector of a type wherein, calculate the imaging parameters that mates of the detector of another type.Certainly, the imaging parameters that calculates can be stored in corresponding to the IST of this detector in the IST information database 134, in order to using next time.
The imaging parameters that is automatically loaded can be shown in GUI user interface 136, is convenient to like this user and checks affirmation, and when some situation, some parameter is made amendment.
Further, step S250 exposes based on this imaging parameters.In this step, exposure parameter in the imaging parameters (for example, generator voltage, electric current, time of exposure etc.) be loaded in the exposure control module of acquisition controlling platform 130, be used for arranging x ray generator etc., so that the detector of the type exposes under its conditions of exposure that is suitable for mutually.
Further, step S260 carries out image based on this imaging parameters and processes.In this step, the image that step of exposure is caught carries out the image processing, with the image of final acquisition for diagnosis; Image correction parameter in the imaging parameters (for example, noise (noise), grid suppress (grid suppression) etc.), the image processing parameter (for example, brightness, tolerance, contrast, definition etc.) etc. in the image processing module of acquisition controlling platform 130, be loaded, different IST can corresponding different image processing techniques, these image processing techniquess can be various technology known in those skilled in the art, and applied image processing techniques can be expanded with the development of technology.Like this, to different IST, even obtain by dissimilar detector, image processing process is relatively rapid.
So far, the imaging process of DR system 10 shown in Figure 1 is finished substantially.This shows, polytype detector is installed or registered to acquisition controlling 130 in DR system 10, and the multiple IST of corresponding polytype detector is installed in acquisition controlling 130, select for user flexibility, thereby DR system 10 can work under various modes, for example, selecting CsI was a kind of mode of operation in dull and stereotyped 111 o'clock, and selecting GOS was a kind of work in dull and stereotyped 112 o'clock; The switching of various patterns can be carried out according to employed type photodetector, and is simple to operate, and do not rely on the professional service of DR system manufacturer, reduces doctor or technician's operation easier; And greatly expanded the applicable surface of DR system, function is expanded, and, can need as the case may be to increase the dissimilar detector of configuration, system extension is good.
Simultaneously, support the multi-mode DR system of dissimilar detector can support equally the multiple detector according to different imager materials (for example difference of scintillator material) classification, the imaging calibration can dynamically load different exposure parameters to different imager materials, can guarantee that like this detector calibrates with the exposure parameter of expectation according to the difference of imager material, and the tolerance with expectation is analyzed, can make like this calibration accurately, guarantee the image quality of intrasystem all detectors of same DR.
Multi-mode DR system of the present utility model and formation method thereof are applicable to existing monotype DR system of hospital is carried out upgrading in particular, and cost is low, can be modified on the whole picture.
Above example has mainly illustrated multi-mode DR of the present utility model system.Although only some of them embodiment of the present utility model is described, those of ordinary skills should understand, and this utility model can be within not departing from its purport and scope be implemented with many other forms.Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, in the situation that do not break away from such as the defined this utility model spirit of appended each claim and scope, this utility model may be contained various modifications and replacement.
Claims (8)
1. a multi-mode digital radiation filming system is characterized in that, comprises acquisition controlling platform and a plurality of polytype detector that is coupled with described acquisition controlling platform, and wherein any one described detector is operationally selected and activated by described acquisition controlling platform.
2. multi-mode digital radiation filming system as claimed in claim 1 is characterized in that, described a plurality of polytype detectors are by wired or wireless connected mode and the coupling of described acquisition controlling platform.
3. multi-mode digital radiation filming system as claimed in claim 1 is characterized in that, described detector is the detector that is fixedly mounted in the described digitalization radiation shooting system.
4. such as claim 1 or 2 or 3 described multi-mode digital radiation filming systems, it is characterized in that, described polytype detector comprises: cesium iodide non-crystalline silicon type flat panel detector and gadolinium oxysulfide non-crystalline silicon type flat panel detector.
5. multi-mode digital radiation filming system as claimed in claim 1 is characterized in that, described acquisition controlling platform comprises:
Detector is selected module, is used for selecting a detector and activating selecteed detector from described polytype detector;
Imaging system type determination module is used for determining its corresponding imaging system type according to the type of this detector; With
The imaging parameters load-on module is used for automatically loading imaging parameters that should detector according to this imaging system type.
6. multi-mode digital radiation filming system as claimed in claim 5 is characterized in that, described acquisition controlling platform also comprises:
Picture system type information data base, it is for type information and the corresponding information of imaging system type of storing described detector;
Wherein, described imaging system type determination module, imaging parameters load-on module and described picture system type information data base couple.
7. such as claim 5 or 6 described multi-mode digital radiation filming systems, it is characterized in that, described acquisition controlling platform also comprises: the detector Registering modules, it is used for type, the imaging system type of the corresponding detector of each detector are registered in imaging system type information data base.
8. such as claim 5 or 6 described multi-mode digital radiation filming systems, it is characterized in that, described acquisition controlling platform also comprises subscriber interface module, exposure control module and image processing module.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104095644A (en) * | 2013-04-03 | 2014-10-15 | 锐珂（上海）医疗器材有限公司 | Multi-mode DR (Digital Radiographic) system and imaging method thereof |
| CN104545959A (en) * | 2014-12-17 | 2015-04-29 | 上海联影医疗科技有限公司 | X ray imaging system and switching method of image acquisition system thereof |
| CN107203959A (en) * | 2017-07-27 | 2017-09-26 | 上海联影医疗科技有限公司 | Image acquiring method, device and digital radiography equipment |
| CN108169256A (en) * | 2016-12-07 | 2018-06-15 | 同方威视技术股份有限公司 | Multi-power spectrum x-ray imaging system and the method for identifying article using multi-power spectrum x-ray imaging system |
| CN110123351A (en) * | 2014-10-17 | 2019-08-16 | 三星电子株式会社 | X-ray imaging device, the method and X-ray imaging system for controlling X-ray imaging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104095644A (en) * | 2013-04-03 | 2014-10-15 | 锐珂（上海）医疗器材有限公司 | Multi-mode DR (Digital Radiographic) system and imaging method thereof |
| CN110123351A (en) * | 2014-10-17 | 2019-08-16 | 三星电子株式会社 | X-ray imaging device, the method and X-ray imaging system for controlling X-ray imaging device |
| US10610178B2 (en) | 2014-10-17 | 2020-04-07 | Samsung Electronics Co., Ltd. | X-ray imaging apparatus, method of controlling the same, and x-ray imaging system |
| CN110123351B (en) * | 2014-10-17 | 2020-10-27 | 三星电子株式会社 | X-ray imaging device, method for controlling X-ray imaging device and X-ray imaging system |
| US11369327B2 (en) | 2014-10-17 | 2022-06-28 | Samsung Electronics Co., Ltd. | X-ray imaging apparatus, method of controlling the same, and x-ray imaging system |
| CN104545959A (en) * | 2014-12-17 | 2015-04-29 | 上海联影医疗科技有限公司 | X ray imaging system and switching method of image acquisition system thereof |
| CN104545959B (en) * | 2014-12-17 | 2017-12-22 | 上海联影医疗科技有限公司 | The switching method of x-ray imaging system and its image capturing system |
| CN108169256A (en) * | 2016-12-07 | 2018-06-15 | 同方威视技术股份有限公司 | Multi-power spectrum x-ray imaging system and the method for identifying article using multi-power spectrum x-ray imaging system |
| US10646179B2 (en) | 2016-12-07 | 2020-05-12 | Nuctech Company Limited | Multi-energy spectrum x-ray imaging systems and methods for recognizing article using multi-energy spectrum x-ray imaging system |
| CN107203959A (en) * | 2017-07-27 | 2017-09-26 | 上海联影医疗科技有限公司 | Image acquiring method, device and digital radiography equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |