CN205901904U - Magnetic resonance imaging system and image acquisition device thereof - Google Patents
Magnetic resonance imaging system and image acquisition device thereof Download PDFInfo
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- CN205901904U CN205901904U CN201620709255.XU CN201620709255U CN205901904U CN 205901904 U CN205901904 U CN 205901904U CN 201620709255 U CN201620709255 U CN 201620709255U CN 205901904 U CN205901904 U CN 205901904U
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Abstract
The utility model discloses embodiment discloses a magnetic resonance imaging system and image acquisition device thereof. Magnetic resonance imaging system's image acquisition device includes: an image sensing module for acquire magnetic resonance imaging scanning and keep watch on an image data of target, an illumination intensity confirms the module, be used for based on image data confirms an illumination intensity, a auto focus module, be used for based on illumination intensity confirms a auto focus mode of image sensing module. The utility model discloses embodiment can realize auto focus, has promoted the operation convenience. The utility model discloses embodiment can also be applicable to multiple light environment to having improved the image quality, having had multiple installation to arrange selection scheme moreover, the flexibility is high.
Description
Technical field
This utility model is related to nuclear magnetic resonance (mri) technical field, more particularly to a kind of magnetic resonance imaging system
Image acquiring device.
Background technology
Nuclear magnetic resonance (magnetic resonance imaging, mri) is as computer technology, electronic circuit skill
Art, the development of superconduction body technique and a kind of biomagnetism nuclear spin imaging technique of developing rapidly.It using magnetic field with penetrate
Frequency pulse makes the proton (i.e. h+) of precession in tissue occur nutating to produce radiofrequency signal, processes through computer and is imaged.When
Object is placed in magnetic field, with suitable electromagnetic wave irradiation it, be allowed to resonate, then analyze it discharge electromagnetic wave so that it may
To learn the nuclear position and species being constituted this object, the accurate stereo-picture of interior of articles can be depicted as accordingly.
Such as, the animation of the serial section that can be obtained by MRI scan human brain, by the crown, until
Base portion.
In the scanning process of magnetic resonance imaging system, generally obtained using the monitoring system being arranged in scanning room and examined
The image of survey person, staff observes, by the display screen of operation room, the health that image knows patient, and decides whether
Continue executing with scanning process.
In the prior art, staff needs in the indoor monitoring system that adjusts manually of scanning to focus, in operation room
Focal adjustment effect is observed, this needs staff to turn back back and forth with operation room in scanning room, operation inconvenience on display screen.
In addition, existing monitoring system usually not considers intensity of illumination factor, when the indoor intensity of illumination of scanning is relatively low
When, imaging effect is not good.
Utility model content
This utility model embodiment proposes a kind of image acquiring device of magnetic resonance imaging system.
The technical scheme of this utility model embodiment is as follows:
A kind of image acquiring device of magnetic resonance imaging system, comprising:
One image sensing module, monitors a view data of target for obtaining a MRI scan；
One intensity of illumination determining module, for determining an intensity of illumination based on described image data；
One automatic focusing module, for determining an auto-focusing mould of described image sensing module based on described intensity of illumination
Formula.
In one embodiment, described automatic focusing module, for when described intensity of illumination be less than a predetermined illumination strong
During degree threshold value, determine that described autofocus mode is a range finding autofocus mode；Or
When described intensity of illumination is more than or equal to described predetermined intensity of illumination threshold value, determine that described autofocus mode is
One focus detection autofocus mode.
In one embodiment, described image sensing module, for described range finding autofocus mode in, according to
Described MRI scan monitors that a distance of target executes focusing, or, in described focus detection autofocus mode, root
A contrast according to described image data executes focusing.
In one embodiment, described image sensing module includes:
One object lens；
One low light image sensor；
One motor.
A kind of image acquiring device of magnetic resonance imaging system, comprising:
One object lens, monitor an optical imagery of target for forming a MRI scan；
One imageing sensor, for being converted to a view data by described optical imagery；
One motor, for driving described object lens；
One control module, for determining an intensity of illumination based on described image data, and is determined based on described intensity of illumination
One autofocus mode of described object lens.
In one embodiment, described control module, for when described intensity of illumination be more than or equal to a predetermined illumination strong
During degree threshold value, one first focal distance is determined based on a contrast of described image data, and be based on described first focusing
Move described object lens from controlling described motor to execute focusing.
In one embodiment, also include:
One distance measurement element, monitors a distance of target for measurement and described MRI scan；
Described control module, is additionally operable to when described intensity of illumination is less than described predetermined intensity of illumination threshold value, based on institute
State distance and determine one second focal distance, and based on described second focal distance control the mobile described object lens of described motor with
Execute focusing.
In one embodiment, described distance measurement element includes a ultrasonic testing element or an infrared distance measurement element.
In one embodiment, described image sensor includes a low light image sensor.
In one embodiment, described image acquisition device is arranged in the one scan room of described magnetic resonance imaging system
On one wall, or, described image acquisition device is arranged in a cavity of a housing assembly of described magnetic resonance imaging system.
According to another aspect of the present utility model, there is provided a kind of magnetic resonance imaging system, this magnetic resonance imaging system
Including any one image acquiring device as above.
From technique scheme as can be seen that the embodiment of this utility model image acquiring device includes: image sensing
Module, monitors the view data of target for obtaining MRI scan；Intensity of illumination determining module, for based on picture number
According to determination intensity of illumination；Automatic focusing module, for determining the autofocus mode of image sensing module based on intensity of illumination.By
This is visible, and after application this utility model embodiment, image acquiring device achieves auto-focusing, and staff need not sweep
Retouch and repeatedly focus between room and operation room, promote operation ease.
And, this utility model embodiment can select different autofocus modes based on intensity of illumination.In low light
According under situation, auto-focusing is realized based on range finding, under normal illumination situation, auto-focusing is realized based on focus detection.Therefore, originally
Utility model embodiment goes for multiple photoenvironments, improves image quality.
Furthermore it is possible to the image acquiring device of this utility model embodiment is arranged on the wall of scanning room or frame
In assembly cavity, this utility model embodiment has multiple mounting arrangements schemes, and motility is high.
Brief description
Fig. 1 is the module map of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment.
Fig. 2 is the exemplary module of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment
Figure.
Fig. 3 is the structure chart of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment.
Fig. 4 is the first demonstrative structure of the monitoring system of the magnetic resonance imaging system according to this utility model embodiment
Figure.
Fig. 5 is the second demonstrative structure of the monitoring system of the magnetic resonance imaging system according to this utility model embodiment
Figure.
Wherein, reference is as follows:
Specific embodiment
In order that the technical solution of the utility model and advantage become more apparent, below in conjunction with drawings and the embodiments,
This utility model is further elaborated.It should be appreciated that specific embodiment described herein is only in order to illustrate
Property illustrates this utility model, is not used to limit protection domain of the present utility model.
In order to succinct and directly perceived on describing, hereafter by describing some representational embodiments come to this utility model
Scheme be illustrated.In embodiment, substantial amounts of details is only used for helping understand scheme of the present utility model.However, it will be apparent that
These details can be not limited to when the technical solution of the utility model is realized.New in order to avoid unnecessarily having obscured this practicality
The scheme of type, some embodiments are not meticulously described, but only give framework.Hereinafter, " include " referring to " bag
Include but be not limited to ", " according to ... " refer to " according at least to ..., but be not limited to according only to ... ".Language due to Chinese is practised
Used, be hereinafter not specifically stated a composition quantity when it is meant that it can also be multiple that this composition can be one, or can
It is interpreted as at least one.
Monitoring system based on magnetic resonance imaging system in prior art does not have the defect of automatic focusing function, this practicality
New embodiment proposes a kind of image acquiring device being applied to magnetic resonance imaging system, having automatic focusing function.
Fig. 1 is the module map of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment.
As shown in figure 1, image acquiring device 10 includes:
One image sensing module 11, monitors the view data of target for obtaining MRI scan；
One intensity of illumination determining module 12, for determining intensity of illumination based on view data；
One automatic focusing module 13, for determining the autofocus mode of image sensing module 11 based on intensity of illumination.
Image sensing module 11 is used for obtaining MRI scan and monitors that target (such as, accepts MRI scan
Examined person) optical imagery, and optical imagery is converted into the view data of electronic signal format.
In one embodiment, image sensing module 11 includes: object lens, an imageing sensor and a driving
Motor.
Specifically, object lens can comprise lens or the lens group by several lens combinations, for generating magnetic
The optical imagery of resonance image-forming scanning monitoring target.This optical imagery is converted to the image of electronic signal format by imageing sensor
Data.Motor is connected with object lens, can adjust object lens and monitor the distance between target with MRI scan, thus real
The now focusing to object lens.Specifically, imageing sensor may be embodied as charge coupled cell (charge coupled device,
Ccd) imageing sensor or metal oxide semiconductor device (complementary metal-oxide semiconductor,
Cmos) imageing sensor, etc..
Preferably, the imageing sensor in image sensing module 11 adopts low light image sensor.Using low illumination pattern
As after sensor, under low photoenvironment, image sensing module 11 remains able to obtain MRI scan supervision target
View data.It is highly preferred that the imageing sensor in image sensing module 11, strong less than the illumination of 0.1 lux (lux)
Remain able under degree obtain the view data that MRI scan monitors target.
Image sensing module 11 has automatic focusing function, comprises multiple autofocus modes.Image sensing module 11
Autofocus mode includes two classes: a class is range finding autofocus mode, and another kind of is focus detection autofocus mode.Surveying
In autofocus mode, monitor that the distance between target is realized based on image sensing module 11 and MRI scan right
Burnt.In focus detection autofocus mode, the detection based on imaging definition on the focusing screen of image sensing module 11 is real
Now focus.
Intensity of illumination determining module 12 is according to predetermined illuminance weighting algorithm, the figure being obtained based on image sensing module 11
As data determines intensity of illumination.Such as, can by by illuminance weighting algorithm with integrated circuit in the way of solidify and be integrated in illumination
In intensity determining module 12.Intensity of illumination determining module 12 can calculate illumination using this area existing illuminance weighting algorithm
Intensity, this utility model embodiment repeats no more to this.
The intensity of illumination that automatic focusing module 13 is determined based on intensity of illumination determining module 12, determines image sensing module
11 autofocus modes being adopted.
In one embodiment, when the intensity of illumination that intensity of illumination determining module 12 is determined is less than predetermined intensity of illumination
During threshold value, automatic focusing module 13 determines image sensing module 11 using range finding autofocus mode, when intensity of illumination determines
When the intensity of illumination that module 12 is determined is more than or equal to this predetermined intensity of illumination threshold value, automatic focusing module 13 determines that image passes
Sense module 11 adopts focus detection autofocus mode.
Preferably, predetermined intensity of illumination threshold value is set to 1 lux (lux).Therefore, when intensity of illumination is less than 1lux
When, image sensing module 11 is using range finding autofocus mode.When intensity of illumination is more than or equal to 1lux, image sensing module 11
Using focus detection autofocus mode.
It is highly preferred that the predetermined intensity of illumination threshold value in intensity of illumination determining module 12 is adjustable.
In range finding autofocus mode, it is possible to use infrared distance measurement mode or ultrasonic ranging mode determine and magnetic resonance
Image scanning monitors the distance of target, and determines focal distance based on the distance with MRI scan supervision target.Drive
Motor is based on focal distance and adjusts the distance between object lens and MRI scan supervision target to realize auto-focusing.Red
In outer distance measuring method, image sensing module 11 actively launches infrared ray as range finding light source, with determination and MRI scan
Monitor the distance between target.In supersonic sounding mode, ultrasonic emitting element is respectively mounted on image sensing module 11
With ultrasound wave receiving element.Ultrasonic emitting element sends lasting ultrasound wave, and ultrasound wave reaches MRI scan and monitors
After target, return immediately and perceived by ultrasound wave receiving element, image sensing module 11 calculated according to the two-way time of ultrasound wave
Monitor the distance of target with MRI scan.
In focus detection autofocus mode, the contrast according to view data calculates focal distance.Motor base
Adjusting object lens in focal distance monitors the distance between target to realize auto-focusing with MRI scan.Such as, permissible
It is respectively arranged one at the equidistance in front and back of the imageing sensor (such as, ccd imageing sensor) of image sensing module 11
Photoelectric detector.MRI scan monitors that the image of target is imaged on this two photoelectric detectors through light splitting simultaneously.
Motor moves object lens, when the absolute value of the poor contrast of this two photoelectric detector imagings is minimum, image planes of focusing is described
Just in the middle of two photoelectric detectors, that is, complete to focus.
The exemplary concrete mode describing auto-focusing above, it will be appreciated by those of skill in the art that this description
It is only exemplary, be not used to limit the protection domain of this utility model embodiment.
And, the also exemplary concrete numerical value describing predetermined intensity of illumination threshold value and range finding auto-focusing and poly- above
The instantiation of burnt detection auto-focusing, those skilled in the art will also be appreciated that, this description is only exemplary, with
Sample is not used in the protection domain limiting this utility model embodiment.
It can be seen that, it is achieved that auto-focusing after application this utility model embodiment, staff need not in scanning room and
Repeatedly focus between operation room, promote operation ease.
And, this utility model embodiment can select different autofocus modes based on intensity of illumination.In low light
According under situation, auto-focusing is realized based on range finding, under normal illumination situation, auto-focusing is realized based on focus detection.Therefore, originally
Utility model embodiment goes for multiple photoenvironments, improves image quality.
Based on the module map shown in Fig. 1, Image Acquisition of the present utility model can be embodied as by numerous embodiments
Device.
Fig. 2 is the exemplary module of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment
Figure.
In fig. 2, image acquiring device 20 is arranged in scanning room, and display 70 is arranged in operation room.Image Acquisition
The MRI scan that device 20 is used for obtaining in magnetic resonance scan sequences monitors that target (such as, accepts nuclear magnetic resonance to sweep
The examined person retouching) monitoring picture, and monitoring picture is sent to display 70 by wired or wireless way.Display 70
For showing this monitoring picture.Staff observes monitoring picture to know the health of patient on display 70, and certainly
Determine whether continue executing with scanning process.
As shown in Fig. 2 image acquiring device 20 includes low 21, image processing module of light image sensor
22nd, an intensity of illumination determining module 24, infrared distance measurement element 25 of 23, automatic focusing module and a communication and electricity
Source module 26.
Low light image sensing module 21 includes object lens, a low light image sensor and a motor.
Object lens form the optical imagery that MRI scan monitors target.This optical imagery is converted to electricity by low light image sensor
The view data of subsignal form, wherein under the intensity of illumination less than 0.1lux, low light image sensor remains able to obtain
Take corresponding view data.Motor is connected with object lens, can adjust object lens and MRI scan monitors between target
Distance, thus realizing automatic focusing to object lens.
The view data that image processing module 22 is used for obtaining low light image sensing module 21 is converted to display 70
Support the video data of form, and send display data to display 70.View data is also sent by image processing module 22
To intensity of illumination determining module 23.
In intensity of illumination determining module 23, solidification is integrated with illuminance weighting algorithm.Intensity of illumination determining module 23 basis
Illuminance weighting algorithm, determines intensity of illumination based on view data, and intensity of illumination is sent to automatic focusing module 24.
Automatic focusing module 24 determines the autofocus mode of low light image sensing module 21 based on intensity of illumination.Its
In: when intensity of illumination is less than predetermined intensity of illumination threshold value (such as 1lux), determine that autofocus mode is that range finding is automatically right
Burnt pattern, when intensity of illumination is more than or equal to this predetermined intensity of illumination threshold value, determine autofocus mode be focus detection from
Dynamic focal modes.
In focus detection autofocus mode, infrared distance measurement element 25 does not work.Low light image sensing module 21
Adjust object lens according to focal distance determined by the contrast of view data and monitor the distance between target with MRI scan,
To execute auto-focusing.
In range finding autofocus mode, infrared distance measurement element 25 works.Infrared distance measurement element 25 measurement is become with magnetic resonance
As the distance between scanning monitoring target.Low light image sensing module 21 determines focal distance based on this distance, and according to
This focal distance adjusts object lens and monitors the distance between target with MRI scan, to execute auto-focusing.
Communication and power module 26 are used for providing power supply and communication function for image acquiring device 20.Such as, system host
Open command, out code or dormancy instruction etc. can be sent via communication and power module 26 to image acquiring device 20 to control
Order.
The exemplary module architectures describing image acquiring device 20 above, it will be appreciated by those of skill in the art that also
Can increase, delete, merge or replace one or more modules in image acquiring device 20, this utility model embodiment is to this
And be not limited.
Printed substrate, also known as printed circuit board, is important electronic unit, the automatic plug-in mounting of achievable electronic devices and components or
Attachment, automatic tin soldering, automatic detection.
Can by the utility model proposes image acquiring device be applied in printed substrate.
Fig. 3 is the structure chart of the image acquiring device of the magnetic resonance imaging system according to this utility model embodiment.
As shown in figure 3, image acquiring device 30 includes:
One object lens 31, monitors the optical imagery of target for forming MRI scan；
One motor 32, mobile for driving object lens 31, monitor mesh to adjust object lens 31 with MRI scan
The distance between mark, thus realize the auto-focusing of object lens 31；
One imageing sensor 33, for being converted to view data by optical imagery；
One control module 34, for determining intensity of illumination based on view data, and determines object lens 31 based on intensity of illumination
Autofocus mode.
In one embodiment, a camera lens covering imageing sensor 32 be there also is provided on imageing sensor 33
Seat 35.
In one embodiment, control module 34, for being more than or equal to predetermined intensity of illumination threshold value when intensity of illumination
When, the contrast of the view data being provided based on imageing sensor 33 determines the first focal distance, and is based on the first focal distance
Control the mobile object lens 31 of motor 32 to realize auto-focusing.
In one embodiment, image acquiring device 30 also includes:
One distance measurement element 37, monitors the distance of target for measurement and MRI scan；
One control module 34, is additionally operable to when intensity of illumination is less than predetermined intensity of illumination threshold value, based on distance measurement element
The distance of 37 measurements determines the second focal distance, and controls the mobile object lens 31 of motor 32 to realize based on the second focal distance
Auto-focusing.
Preferably, distance measurement element 37 includes ultrasonic testing element or infrared distance measurement element.And, imageing sensor 33 is excellent
Choosing is embodied as low light image sensor.Distance measurement element 37 periphery is further preferably disposed with dark slide 38.
Preferably, control module 34 is embodied as printed circuit board (PCB).Such as, printed circuit board (PCB) may be embodied as single sided board, double
Panel and multi-layer sheet.Printed circuit board (PCB) is printed on base material 36.Specifically, substrate 36 may be embodied as: fr-1；fr-2；fr-3；
fr-4；fr-5；fr-6；g-10；cem-1cem-2；cem-3cem-4；cem-5；Aluminium nitride (ain)；Carborundum (sic) etc..
In order to improve the imaging effect of object lens 31, when intensity of illumination is less than predetermined intensity of illumination threshold value, can also be
On object lens 31, arrangement white glass is to receive more light.When intensity of illumination is optionally greater than predetermined intensity of illumination threshold value, also
Optical low-pass filter can be arranged on object lens 31, to filter Moire fringe.
The image acquiring device that this utility model embodiment proposes can have multiple mounting arrangements selection schemes.
Fig. 4 is the first demonstrative structure of the monitoring system of the magnetic resonance imaging system according to this utility model embodiment
Figure.
As shown in figure 4, examined person lies in accepts magnetic in the cavity of the MR imaging apparatus 44 in scanning room altogether
Shake image scanning.Image acquiring device 40 is arranged on the wall 41 of scanning room.Image acquiring device 40 has auto-focusing work(
Can, therefore can at multiple positions of wall 41 flexible arrangement image acquiring device 40, reduce installation difficulty.Image Acquisition
The view data of examined person is sent to the display screen 43 positioned at operation room by optical fiber 42 by device 40.
Fig. 5 is the second demonstrative structure of the monitoring system of the magnetic resonance imaging system according to this utility model embodiment
Figure.
As shown in figure 5, examined person lies in accepts magnetic resonance in the cavity 52 of the housing assembly 54 in scanning room
As scanning.Image acquiring device 50 is arranged in cavity 52.It is automatically right that the image acquiring device 50 being arranged in cavity 52 has
Burnt function, and preferably also there is the imaging function under low photoenvironment, it is particularly suited for the dim photoenvironment of intracavity.In behaviour
There is between work and scanning room between wall 51.The view data of examined person is wirelessly sent by image acquiring device 50
To the display screen 53 positioned at operation room.
Another embodiment of this utility model provides a kind of magnetic resonance imaging system, this magnetic resonance imaging system include as
Upper any one described image acquiring device.
The exemplary exemplary arrangements position describing image acquiring device above, those skilled in the art will be appreciated that
Arrive, this description is only exemplary, be not used to limit protection domain of the present utility model.
In sum, in this utility model embodiment, image sensing module, for obtaining MRI scan prison
View data depending on target；Intensity of illumination determining module, for determining intensity of illumination based on view data；Automatic focusing module,
For determining the autofocus mode of image sensing module based on intensity of illumination.As can be seen here, apply this utility model embodiment party
It is achieved that auto-focusing after formula, staff need not turn back between scanning room and operation room back and forth, promotes operation facility
Property.
And, this utility model embodiment can select different autofocus modes based on intensity of illumination.In low light
According under situation, auto-focusing is realized based on range finding, under normal illumination situation, auto-focusing, this practicality are realized based on focus detection
New embodiment goes for multiple photoenvironments, and improves image quality.
Furthermore it is possible to the image acquiring device of this utility model embodiment is arranged on the wall of scanning room or frame
In assembly cavity, this utility model embodiment has multiple mounting arrangements schemes, and motility is high.
The above, preferred embodiment only of the present utility model, it is not intended to limit protection of the present utility model
Scope.All of the present utility model spirit and principle within, any modification, equivalent substitution and improvement made etc., should be included in
Within protection domain of the present utility model.
Claims (11)
1. a kind of image acquiring device of magnetic resonance imaging system is it is characterised in that include:
One image sensing module, monitors a view data of target for obtaining a MRI scan；
One intensity of illumination determining module, for determining an intensity of illumination based on described image data；
One automatic focusing module, for determining an autofocus mode of described image sensing module based on described intensity of illumination.
2. magnetic resonance imaging system according to claim 1 image acquiring device it is characterised in that
Described automatic focusing module, for when described intensity of illumination is less than a predetermined intensity of illumination threshold value, determination is described certainly
Dynamic focal modes are a range finding autofocus mode；Or
When described intensity of illumination is more than or equal to described predetermined intensity of illumination threshold value, determine that described autofocus mode gathers for one
Burnt detection autofocus mode.
3. magnetic resonance imaging system according to claim 2 image acquiring device it is characterised in that
Described image sensing module, for, in described range finding autofocus mode, supervising according to described MRI scan
A distance depending on target executes focusing, or
In described focus detection autofocus mode, focusing is executed according to a contrast of described image data.
4. the magnetic resonance imaging system according to any one of claim 1-3 image acquiring device it is characterised in that
Described image sensing module includes:
One object lens；
One low light image sensor；
One motor.
5. a kind of image acquiring device of magnetic resonance imaging system is it is characterised in that include:
One object lens, monitor an optical imagery of target for forming a MRI scan；
One imageing sensor, for being converted to a view data by described optical imagery；
One motor, for driving described object lens；
One control module, for determining an intensity of illumination based on described image data, and is determined described based on described intensity of illumination
One autofocus mode of object lens.
6. magnetic resonance imaging system according to claim 5 image acquiring device it is characterised in that
Described control module, for when described intensity of illumination is more than or equal to a predetermined intensity of illumination threshold value, based on described figure
As a contrast of data determines one first focal distance, and described motor is controlled to move based on described first focal distance
Described object lens are to execute focusing.
7. the image acquiring device of magnetic resonance imaging system according to claim 6 is it is characterised in that also include:
One distance measurement element, monitors a distance of target for measurement and described MRI scan；
Described control module, be additionally operable to when described intensity of illumination be less than described predetermined intensity of illumination threshold value when, based on described away from
From determination one second focal distance, and the mobile described object lens of described motor are controlled to execute based on described second focal distance
Focusing.
8. the image acquiring device of magnetic resonance imaging system according to claim 7 is it is characterised in that described distance measurement element
Including a ultrasonic testing element or an infrared distance measurement element.
9. the magnetic resonance imaging system according to any one of claim 5-8 image acquiring device it is characterised in that
Described image sensor includes a low light image sensor.
10. the magnetic resonance imaging system according to any one of claim 5-8 image acquiring device it is characterised in that
Described image acquisition device is arranged on a wall of the one scan room of described magnetic resonance imaging system, or
Described image acquisition device is arranged in a cavity of a housing assembly of described magnetic resonance imaging system.
A kind of 11. magnetic resonance imaging systems are it is characterised in that the image including as any one of claim 1 to 10 obtains
Take device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708463A (en) * | 2019-10-09 | 2020-01-17 | Oppo广东移动通信有限公司 | Focusing method, focusing device, storage medium and electronic equipment |
| WO2020048540A1 (en) * | 2018-09-07 | 2020-03-12 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for monitoring an object |
-
2016
- 2016-07-07 CN CN201620709255.XU patent/CN205901904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048540A1 (en) * | 2018-09-07 | 2020-03-12 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for monitoring an object |
| CN110708463A (en) * | 2019-10-09 | 2020-01-17 | Oppo广东移动通信有限公司 | Focusing method, focusing device, storage medium and electronic equipment |
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