CN103800027A - Positron emission computed tomography scanning method and system - Google Patents
Positron emission computed tomography scanning method and system Download PDFInfo
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- CN103800027A CN103800027A CN201210457750.2A CN201210457750A CN103800027A CN 103800027 A CN103800027 A CN 103800027A CN 201210457750 A CN201210457750 A CN 201210457750A CN 103800027 A CN103800027 A CN 103800027A
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Abstract
The invention discloses a positron emission computed tomography scanning method and a positron emission computed tomography scanning system. The method comprises the steps of loading a scanning protocol, wherein the scanning protocol at least comprises the number of berths and the sequence of the berths, and the number of the berths is at least one; acquiring the number of the berths and the sequence of the berths in the scanning protocol, and configuring scanning time for each berth; sequentially moving sickbeds to the corresponding berths according to the sequence of the berths in the scanning protocol, and carrying out PET (positron emission tomography) scanning according to the scanning time configured for each berth until PET scanning for all the berths are completed. The system comprises main control equipment, medical imaging equipment, equipment interfaces and a timer. The invention provides the positron emission computed tomography scanning method and a positron emission computed tomography scanning device which are convenient and efficient.
Description
Technical field
The present invention relates to the field of nuclear medicine, relate in particular to a kind of positron emission computer tomography scan method and a kind of positron emission computer tomography system.
Background technology
Now, computer aided medicine imaging technique has been widely used in medical diagnosis.Imaging of medical can pass through such as magnetic resonance imaging (Magnetic Resonance Imaging, MRI), ultrasonic scanning, electronic computer x-ray tomography (Electronic Computer X-ray Tomography Technique, CT), positron emission tomography scans method acquisitions such as (Positron Emission Tomography, PET).
Wherein, positron emission computer tomography (PET) is the more advanced a kind of clinical examination image technology of current the field of nuclear medicine.
Its roughly method be, on certain material, be generally necessary material in biological life metabolism, as glucose, protein, nucleic acid, fatty acid etc., after the short-life radionuclide of labelling (as F18, carbon 11 etc.), inject human body.This material is with predictable speed and characteristic energy experience gamma-ray decay, and the gathering in metabolism, is used for reflecting the situation of life metabolic activity, thereby reaches the object of diagnosis.
Conventionally,, in order to obtain PET image more comprehensively, need to carry out to patient the PET scanning of multiple berths.The time that whole scanning process needs from a few minutes to dozens of minutes not etc.According to the requirement of different scanning position corresponding to different berths and different images quality, sweep time is also different.Regrettably, in current PET imaging device, the sweep time of all berths is all identical, cannot meet the demand of operator to the different berth customization different scanning times.
On the other hand, before or after PET scanning, the waiting period that patient also needing to experience one, so that the medicament being injected in vivo is diffused into whole health.For different medicaments, the waiting time is also different.Regrettably, the waiting time manually computes by operator at present, in current PET imaging device, does not all provide the customization of different waiting time.
Granted publication number is in the Chinese patent of CN100563595C, has disclosed a kind of operational approach and imaging device, by identification relevant parameter, selects the scan protocols and the contrast agent agreement that adapt.But this patent has only solved the matching problem between sweep time and waiting time, do not provide different customized solution with regard to sweep time, waiting time itself.
Summary of the invention
Technical problem to be solved by this invention is to provide convenience, efficient positron emission computer tomography scan method and device.
In order to address the above problem, the invention provides a kind of positron emission computer tomography scan method, comprise the following steps:
Load scan protocols; In described scan protocols, at least comprise berth quantity and berth order, described berth quantity is at least one;
Obtaining berth quantity in described scan protocols and berth order, is each Bed collocation sweep time;
According to the berth order in described scan protocols, sick bed is moved to each berth successively, carry out PET scanning the sweep time having configured according to this berth, until complete the PET scanning of all berths.
Optionally, described berth quantity is multiple.
Optionally, for the sweep time of each Bed collocation is not identical.
Optionally, describedly comprise sweep time for each Bed collocation: provide patterned parameter that frame is set, in described parameter, input sweep time corresponding with berth is set in frame.
Optionally, described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system.
Optionally, in described user interface, also provide the configuration Operating Guideline of sweep time.
Optionally, carry out PET scanning the described sweep time having configured according to this berth and comprise: in starting PET scanning, start timer, in the time that the time on timer is consistent with described sweep time, stop PET scanning.
Optionally, in described berth quantity in scan protocols and the berth order obtained, also comprise for before or after each Bed collocation sweep time: be each Bed collocation waiting time;
Before or after carrying out PET scanning the described sweep time having configured according to this berth, also comprise: the waiting time having configured according to this berth is waited for medicament reaction.
Optionally, after being each Bed collocation sweep time and waiting time, also comprise: the sequencing that described wait medicament reaction and described PET scanning are set.
Optionally, for the waiting time of each sick bed configuration is not identical.
Optionally, describedly comprise for each Bed collocation waiting time: provide patterned parameter that frame is set, in described parameter, be set the input waiting time corresponding with berth in frame.
Optionally, described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system.
The Operating Guideline of configuration waiting time optionally, is also provided in described user interface.
Optionally, the described waiting time having configured according to this berth waits for that medicament reaction comprises: under clothes, in medicament, start timer, in the time that the time on timer is consistent with the described waiting time, finish to wait for.
The present invention also provides a kind of positron emission computer tomography system, comprising:
Main control device, for loading scan protocols, configuration PET sweep time, according to controlling medical imaging devices described sweep time;
Medical imaging devices, for the control signal providing according to main control device, Mobile sickbed, PET scanning, and give main control device feedback signal;
Equipment interface, is configured to described main control device to be electrically connected with described medical imaging devices;
The timer being connected with main control device with described medical imaging devices, for calculating the time of having scanned.
The present invention also provides another kind of positron emission computer tomography system, comprising:
Main control device, for loading scan protocols, configuration PET waiting time and PET sweep time, according to controlling described waiting time and sweep time medical imaging devices;
Medical imaging devices, for the control signal providing according to main control device, Mobile sickbed, the reaction of wait medicament, PET scanning, and give main control device feedback signal;
Equipment interface, is configured to described main control device to be electrically connected with described medical imaging devices;
The timer being connected with main control device with described medical imaging devices, for calculating the time of waiting for and having scanned.
Compared with prior art, technical scheme of the present invention has the following advantages:
1, the present invention is before starting PET scanning, for the sweep time of the pre-configured correspondence of each berth, when actual scanning according to set sweep time this berth being carried out to PET scanning, after the current berth end of scan, move to next berth and continue PET scanning, operating process is more convenient, efficient.
2, in possibility, can also be each Bed collocation waiting time, before or after berth being carried out to PET scanning according to sweep time, according to set waiting time wait drug diffusion, the motility of operating process be higher.
3,, in possibility, by the parameter setting iconifying frame is provided, handled easily person carries out time configuration.
Accompanying drawing explanation
Fig. 1 is the flow chart of positron emission computer tomography scan method of the present invention one specific embodiment;
Fig. 2 is the flow chart of another specific embodiment of positron emission computer tomography scan method of the present invention;
Fig. 3 is the schematic diagram of positron emission computer tomography scan method of the present invention the first embodiment;
Fig. 4 is the user interface schematic diagram of positron emission computer tomography scan method of the present invention the first embodiment;
Fig. 5 is the structural representation of positron emission computer tomography system of the present invention one specific embodiment.
The specific embodiment
A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public concrete enforcement.
Secondly, the present invention utilizes schematic diagram to be described in detail, and in the time that the embodiment of the present invention is described in detail in detail, for ease of explanation, described schematic diagram is example, and it should not limit the scope of protection of the invention at this.
In order to solve the technical problem in background technology, the invention provides a kind of positron emission computer tomography scan method.Fig. 1 is the flow chart of positron emission computer tomography scan method of the present invention one specific embodiment.As shown in Figure 1, this specific embodiment comprises the following steps:
Execution step S11, loads scan protocols; In described scan protocols, at least comprise berth quantity and berth order, described berth quantity is at least one;
Execution step S12, obtains berth quantity and berth order in scan protocols;
Execution step S13 is each Bed collocation sweep time; Particularly, described for each Bed collocation sweep time is by providing patterned parameter that frame is set, arrange in frame and input described sweep time to realize in described parameter.Described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system, and can provide the Operating Guideline that frame is set for described parameter in described user interface.It should be noted that, for the sweep time of each Bed collocation can be identical, also can be different, to make the motility of positron emission computer tomography scanning stronger, the present invention does not do concrete restriction to this.
Execution step S14, according to the berth order in scan protocols, moves to berth by sick bed;
Execution step S15, carries out PET scanning according to this berth the sweep time having configured; Particularly, in starting PET scanning, start timer, in the time that the time on timer is consistent with described sweep time, stop PET scanning.It should be noted that, described timer can be physical timer or software timer, and the present invention does not do concrete restriction to this.
Execution step S16, judges whether that the PET scanning of all berths completes.If so, finish.If not,, from step S14, continue the PET scanning of next berth.
Fig. 2 is the flow chart of another specific embodiment of positron emission computer tomography scan method of the present invention, in this specific embodiment, except be provided different sweep times, also provides the different waiting time, comprises the following steps:
Execution step S21, loads scan protocols;
Execution step S22, obtains berth quantity and berth order in scan protocols;
Execution step S23 is each Bed collocation sweep time; The mode that is specially each Bed collocation sweep time illustrates in the last specific embodiment, repeats no more herein.
Execution step S24 is each Bed collocation waiting time; Particularly, described for each Bed collocation waiting time also can be by providing patterned parameter that frame is set, arrange in frame and input the described waiting time to realize in described parameter.Described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system, and can provide the Operating Guideline that frame is set for described parameter in described user interface.
It should be noted that, the present invention does not specifically limit the configuration waiting time and configures the sequencing of sweep time.Simultaneously, for the waiting time of each Bed collocation can be identical, also can be different, can be only also effective waiting time of part Bed collocation (that is: the waiting time that does not need the berth of waiting for medicament reaction being configured to sky), the present invention does not do concrete restriction yet to this.
Also it should be noted that, the reaction of described wait medicament can be before the PET of this berth scanning, also can be after the PET of this berth scanning, and specifically by the self-defined setting of operator, the present invention does not do concrete restriction to this.So correspondingly, the present invention, after being each Bed collocation sweep time and waiting time, also can comprising the sequencing of waiting for that medicament reaction and PET scan is set.Particularly, can increase a mark (tag), by this tag value is set, to distinguish the sequencing of waiting for that medicament reaction and PET scan.Such as: represent first to carry out PET scanning with " 0 ", rear wait medicament reaction; Represent first to wait for medicament reaction with " 1 ", after carry out PET scanning.
Execution step S25, according to the berth order in scan protocols, moves to berth by sick bed;
Execution step S26, carries out PET scanning according to this berth the sweep time having configured; Specifically illustrate in the last specific embodiment according to the mode of carrying out PET scanning the sweep time having configured, repeat no more herein.
Execution step S27, the waiting time having configured according to this berth is waited for medicament reaction; Particularly, under clothes, in medicament, start timer, in the time that the time on timer is consistent with the described waiting time, finish to wait for.It should be noted that, described timer can be physical timer or software timer, and the present invention does not do concrete restriction to this.
It should be noted that, this specific embodiment does not arrange separately the sequencing of sweep time and waiting time, but employing default setting, to each berth be carry out PET scanning after, then wait for medicament reaction, but should not be construed as limitation of the present invention, it will be appreciated by those skilled in the art that, operator can be according to actual needs, and selecting to arrange for each berth is first PET scanning, still first waits for medicament reaction.
Execution step S28, judges whether that the PET scanning of all berths completes.If so, finish.If not, start to continue to process next berth from step S25.
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described further.
Fig. 3 is the schematic diagram of positron emission computer tomography scan method of the present invention the first embodiment, and Fig. 4 is the user interface schematic diagram of positron emission computer tomography scan method of the present invention the first embodiment.Have 4 with reference to the berth in PET scan protocols corresponding with certain patient in figure 3, the first embodiment, be respectively 1,2,3,4.Scanning direction is for from top to bottom, and therefore the order of the berth in scan protocols is 1 to 2 to 3 to 4.In conjunction with reference to figure 3, Fig. 4, in the user interface 5 of positron emission computer tomography system, provide corresponding to the patterned parameter of each berth frame is set, be used to each Bed collocation sweep time and waiting time.It is sweep time (" persistent period " hurdle in corresponding diagram 4) and the waiting time (" time-out " hurdle in corresponding diagram 4) of 4 Bed collocations that Fig. 4 shows in the present embodiment.As shown in Figure 4, the waiting time of the first berth is 2 minutes, and be 2 minutes sweep time; The waiting time of the second berth is 3 minutes, and be 3 minutes sweep time; The waiting time of the 3rd berth is 4 minutes, and be 4 minutes sweep time; The waiting time of the 4th berth is 5 minutes, and be 5 minutes sweep time.
It should be noted that, the sweep time of 4 berths in the present embodiment and waiting time are all not identical, in other embodiments, can be all identical or part is identical yet.4 berths in the present embodiment are provided with sweep time and waiting time, can only have in other embodiments part berth that the waiting time need to be set.4 berths in the present embodiment are and first wait for medicament reaction, after carry out PET scanning, in other embodiments, can be also first to scan rear wait, or part first scan afterwards and waits for, partly first wait for afterwards and scanning.
It should be noted that, in the user interface 5 of positron emission computer tomography system, also can be provided for each parameter and arrange the Operating Guideline of frame.Such as: the drop-down icon that " bed number " hurdle and " total " side, hurdle provide in Fig. 4.For another example: the parameter of " persistent period " hurdle or " time-out " hurdle corresponding sweep time, waiting time arranges lower the arrow icon (not shown) that frame side provides upward arrow icon that express time increases and express time to reduce.
Particularly, on certain patient lies sick bed after, load the scan protocols corresponding with this patient.Then, the berth quantity of obtaining in described scan protocols is 4, and berth order is 1 to 2 to 3 to 4.Correspondingly producing the parameter that is followed successively by 4 berth waiting time of 1,2,3,4 arranges frame and is followed successively by the parameter of 4 berth sweep times of 1,2,3,4 frame is set.By clicking upper and lower the arrow icon (not shown), the waiting time of configuration the first berth is 2 minutes successively, and be 2 minutes sweep time; The waiting time of the second berth is 3 minutes, and be 3 minutes sweep time; The waiting time of the 3rd berth is 4 minutes, and be 4 minutes sweep time; The waiting time of the 4th berth is 5 minutes, and be 5 minutes sweep time.
Then, the part of corresponding berth 1 in sick bed is moved to PET scanning center, wait for 2 minutes so that medicine fully spreads according to the waiting time of setting, start PET scanning after 2 minutes, scanning continues 2 minutes.Owing to having also had the berth of PET scanning, so the sick bed part of next berth 2 correspondence is moved to PET scanning center, according to waiting time wait 3 minutes, after 3 minutes, start PET scanning, scanning continues 3 minutes.Then, the part of corresponding berth 3 in sick bed is moved to PET scanning center, according to waiting time wait 4 minutes, start PET scanning after 4 minutes, scanning continues 4 minutes.The part of corresponding berth 4 in sick bed is moved to PET scanning center, according to waiting time wait 5 minutes, start PET scanning after 5 minutes, scanning continues 5 minutes, so far completes the PET scanning of all berths.It should be noted that, what in the present embodiment, timing adopted is the software timer (not shown) carrying in positron emission computer tomography system, also can use in other embodiments the physical timer such as stopwatch, clock.
It should be noted that, through the above description of the embodiments, those skilled in the art can be well understood to partly or entirely can realizing by software and in conjunction with essential general hardware platform of the application.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can comprise the one or more machine readable medias that store machine-executable instruction on it, and these instructions can make these one or more machines carry out executable operations according to embodiments of the invention in the time being carried out by one or more machines such as such as computer, computer network or other electronic equipments.Machine readable media can comprise, but be not limited to floppy disk, CD, CD-ROM(compact-disc-read only memory), magneto-optic disk, ROM(read only memory), RAM(random access memory), EPROM(Erasable Programmable Read Only Memory EPROM), EEPROM(Electrically Erasable Read Only Memory), magnetic or optical card, flash memory or be suitable for the medium/machine readable media of the other types of storing machine-executable instruction.
The application can be used in numerous general or special purpose computingasystem environment or configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, system, set top box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer based on microprocessor, comprise the distributed computing environment of above any system or equipment etc.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises and carries out particular task or realize routine, program, object, assembly, data structure of particular abstract data type etc.Also can in distributed computing environment, put into practice the application, in these distributed computing environment, be executed the task by the teleprocessing equipment being connected by communication network.In distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium including memory device.
The present invention also provides a kind of positron emission computer tomography system.Fig. 5 is the structural representation of positron emission computer tomography system of the present invention one specific embodiment.As shown in Figure 5, this specific embodiment comprises:
Main control device U1, for loading scan protocols, configuration PET waiting time and PET sweep time, controlling medical imaging devices;
Medical imaging devices U2 including the image-forming assemblies such as sick bed, X-ray banj, PET frame, for the control signal providing according to main control device U1, Mobile sickbed, the reaction of wait medicament, PET scanning, and give main control device U1 feedback signal;
With described main control device U1 and the equipment interface U3 that described medical imaging devices U2 is connected, be configured to described main control device to be electrically connected with described medical imaging devices;
And the timer U4 that is connected with described medical imaging devices U2 of described main control device U1, for calculating the time of waiting for and/or having scanned.
It should be noted that, it will be appreciated by those skilled in the art that, above-mentioned part assembly can be such as programmable logic array (Programmable Array Logic, PAL), GAL (GenericArray Logic, GAL), field programmable gate array (Field-Programmable Gate Array, FPGA), CPLD (Complex Programmable Logic Device, one or more in PLD such as CPLD), but the present invention does not do concrete restriction to this.
It should be noted that, it will be appreciated by those skilled in the art that, the present invention also can be applicable to other medical image systems, such as: magnetic resonance imaging imaging system (Magnetic Resonance Imaging, MRI), ultrasonic scanning image system, electronic computer x-ray tomography imaging system (ElectronicComputer X-ray Tomography Technique, CT), SPECT (single photon emission computed tomography) (Single-Photon Emission Computed Tomography, SPECT) etc.
The present invention is by before starting PET scanning, for the sweep time of the pre-configured correspondence of each berth, in the time of actual scanning according to set sweep time this berth being carried out to PET scanning, after this berth end of scan, move to next berth and continue PET scanning, operating process is more convenient, efficient.
In possibility, can also be each Bed collocation waiting time, before or after berth being carried out to PET scanning according to sweep time, according to set waiting time wait drug diffusion, the motility of operating process be higher.
In possibility, also, by the parameter setting frame iconifying and/or the Operating Guideline that frame is set for parameter are provided, handled easily person be configured.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible variation and modification to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.
Claims (16)
1. a positron emission computer tomography scan method, is characterized in that, comprises the following steps:
Load scan protocols; In described scan protocols, at least comprise berth quantity and berth order, described berth quantity is at least one;
Obtaining berth quantity in described scan protocols and berth order, is each Bed collocation sweep time;
According to the berth order in described scan protocols, sick bed is moved to each berth successively, carry out PET scanning the sweep time having configured according to this berth, until complete the PET scanning of all berths.
2. positron emission computer tomography scan method as claimed in claim 1, is characterized in that, described berth quantity is multiple.
3. positron emission computer tomography scan method as claimed in claim 1, is characterized in that, for the sweep time of each Bed collocation not identical.
4. positron emission computer tomography scan method as claimed in claim 1, is characterized in that:
Describedly comprise sweep time for each Bed collocation: provide patterned parameter that frame is set, in described parameter, input sweep time corresponding with berth is set in frame.
5. positron emission computer tomography scan method as claimed in claim 4, is characterized in that: described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system.
6. positron emission computer tomography scan method as claimed in claim 5, is characterized in that: the configuration Operating Guideline of sweep time is also provided in described user interface.
7. positron emission computer tomography scan method as claimed in claim 1, it is characterized in that, carrying out PET scanning the described sweep time having configured according to this berth comprises: in starting PET scanning, start timer, in the time that the time on timer is consistent with described sweep time, stop PET scanning.
8. the positron emission computer of any as described in claim 1 to 7 tomography scan method, is characterized in that:
In described berth quantity in scan protocols and the berth order obtained, also comprise for before or after each Bed collocation sweep time: be each Bed collocation waiting time;
Before or after carrying out PET scanning the described sweep time having configured according to this berth, also comprise: the waiting time having configured according to this berth is waited for medicament reaction.
9. positron emission computer tomography scan method as claimed in claim 8, is characterized in that, after being each Bed collocation sweep time and waiting time, also comprises: the sequencing that described wait medicament reaction and described PET scanning are set.
10. positron emission computer tomography scan method as claimed in claim 8, is characterized in that, for the waiting time of each sick bed configuration not identical.
11. positron emission computer tomography scan methods as claimed in claim 8, it is characterized in that, describedly comprise for each Bed collocation waiting time: provide patterned parameter that frame is set, in described parameter, be set the input waiting time corresponding with berth in frame.
12. positron emission computer tomography scan methods as claimed in claim 11, is characterized in that, described patterned parameter arranges in the user interface that frame is provided in positron emission computer tomography system.
13. positron emission computer tomography scan methods as claimed in claim 12, is characterized in that: the Operating Guideline that the configuration waiting time is also provided in described user interface.
14. positron emission computer tomography scan methods as claimed in claim 8, it is characterized in that, described waiting time of having configured according to this berth waits for that medicament reaction comprises: under clothes in medicament, start timer, in the time that the time on timer is consistent with the described waiting time, finish to wait for.
15. 1 kinds of positron emission computer tomography systems, is characterized in that, comprising:
Main control device, for loading scan protocols, configuration PET sweep time, according to controlling medical imaging devices described sweep time;
Medical imaging devices, for the control signal providing according to main control device, Mobile sickbed, PET scanning, and give main control device feedback signal;
Equipment interface, is configured to described main control device to be electrically connected with described medical imaging devices;
The timer being connected with main control device with described medical imaging devices, for calculating the time of having scanned.
16. 1 kinds of positron emission computer tomography systems, is characterized in that, comprising:
Main control device, for loading scan protocols, configuration PET waiting time and PET sweep time, according to controlling described waiting time and sweep time medical imaging devices;
Medical imaging devices, for the control signal providing according to main control device, Mobile sickbed, the reaction of wait medicament, PET scanning, and give main control device feedback signal;
Equipment interface, is configured to described main control device to be electrically connected with described medical imaging devices;
The timer being connected with main control device with described medical imaging devices, for calculating the time of waiting for and having scanned.
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| WO2017140133A1 (en) * | 2016-02-18 | 2017-08-24 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for medical imaging |
| US9990718B2 (en) | 2016-02-29 | 2018-06-05 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for reconstructing ECT image |
| CN108272464A (en) * | 2018-01-02 | 2018-07-13 | 沈阳东软医疗系统有限公司 | Scan aid in treatment method, apparatus, electronic equipment and storage medium |
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| US10147206B2 (en) | 2015-09-17 | 2018-12-04 | Shenyang Neusoft Medical Systems Co., Ltd. | Determining PET scanning time |
| CN110084429A (en) * | 2019-04-29 | 2019-08-02 | 东软医疗系统股份有限公司 | Prediction technique, device, storage medium and the electronic equipment of sweep time |
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