CN110507341A - Medical laser positioning system and image position method - Google Patents
Medical laser positioning system and image position method Download PDFInfo
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- CN110507341A CN110507341A CN201910797290.XA CN201910797290A CN110507341A CN 110507341 A CN110507341 A CN 110507341A CN 201910797290 A CN201910797290 A CN 201910797290A CN 110507341 A CN110507341 A CN 110507341A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000523 sample Substances 0.000 claims description 14
- 238000009432 framing Methods 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims description 3
- 230000004927 fusion Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000002603 single-photon emission computed tomography Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/037—Emission tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
Abstract
The invention discloses a kind of medical laser positioning system and image position method, the medical laser positioning system include: it is scanning bed, it is scanning bed be suitable for support scanned object；Laser aid, laser aid are located on scanning bed to be scanned to scanned object；Scale, scale is fixed on scanning bed upper and extends along scanning bed length direction, to measure the physical location of scanned object；Image collecting device, image collector are set in the physical location on scanning bed to record scanned object；Computing module, computing module are connected with laser aid and image collecting device respectively, and computing module can be used for calculating the difference between the physical location of scanned object and multiple physical locations；Feed unit, feed unit are connected with computing module, and the difference that feed unit can be fed back according to computing module makes compensation data.Medical laser positioning system according to an embodiment of the present invention, reduces the workload of doctor, solves the orientation problem of new and old visual fusion.
Description
Technical field
The present invention relates to medical imaging device technical fields, fixed more particularly, to a kind of medical laser positioning system and image
Position method.
Background technique
Medical imaging scanning system such as SPECT (single photon emission computed tomography), CT (electronic computer tomography
Scanning), the support device including scanning support and scanned object, support device is used to support scanned object, and can will be swept
It retouches immediately below the imaging device that object is transported to below scanning support.
Before scanning, doctor needs to determine scanned pair according to the figure of scanned object scanning system in the related technology
As the position on scanning bed, doctor needs to repeat when the same patient to same case scans again to determine that scanned object exists
Position on scanning bed increases the workload of doctor, and more to the nuclear radiation of scanned object.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, the present invention proposes a kind of medical laser positioning system, which can reduce doctor's
Workload is reduced and is radiated to the nucleic of scanned object.
The present invention also proposes a kind of image position method using above-mentioned medical laser positioning system.
The medical laser positioning system of embodiment according to a first aspect of the present invention, comprising: it is scanning bed, it is described scanning bed to be suitable for
Support scanned object；Laser aid, the laser aid be located at it is described it is scanning bed on to the scanned object carry out
Scanning；Scale, the scale is fixed on described scanning bed upper and extends along the scanning bed length direction, described to measure
The physical location of scanned object；Image collecting device, described image acquisition device be located at it is described it is scanning bed on to record
State the physical location of scanned object；Computing module, the computing module are acquired with the laser aid and described image respectively
Device is connected, and the computing module can be used for calculating between the physical location of the scanned object and multiple physical locations
Difference；Feed unit, the feed unit are connected with the computing module, and the feed unit can be according to the computing module
The difference fed back makes compensation data.
Medical laser positioning system according to an embodiment of the present invention, by using above-mentioned laser orientation system, in doctor couple
When scanned object is accurately positioned, the workload of doctor is reduced, while the positioning for solving new and old visual fusion is asked
Topic.
According to one embodiment of present invention, the laser aid can be swept when scanning the scanned object to described
Retouch the laser beam of object transmitting X-direction and Z-direction.
An optional example according to the present invention, the laser aid include: laser part, and the laser part is used for described
Scanned object emits laser beam；It is divided part, the light splitting part is located in the Z-direction flat the laser beam to be separated into
Row is at least two light beams of the X-direction.
According to another embodiment of the invention, the medical laser positioning system further include: the first adjustment device, it is described
The first adjustment device is connected to the scanning range for adjusting the laser aid, the first adjustment device with the laser aid
It is connected with described image acquisition device to the pitch angle for adjusting described image acquisition device.
Further, when scanning the designated organ of the scanned object, institute is adjusted by the first adjustment device
State the position for the laser beam that laser aid is launched be pre-positioned the scanned object it is described it is scanning bed on position.
According to still another embodiment of the invention, the medical laser positioning system further include: second adjustment device, it is described
Scanning bed to be equipped with bracket, the laser aid and described image acquisition device are all provided on the bracket, the second adjustment
Device is connected with the bracket to the physical location for adjusting the bracket.
Another optional example according to the present invention, the bracket are equipped with probe, the laser aid and described image
Acquisition device is installed on the probe.
Another optional example according to the present invention, the bracket are equipped with switch member, the switch member and the laser
Device is connected the opening and closing to control the laser aid.
Another optional example according to the present invention, the scanning bed upper and/or described probe, which is equipped with, is adapted to provide for power supply
With the data-interface of exchange data.
Another optional example according to the present invention, the medical laser positioning system further include: rotating device, the rotation
Rotary device and the bracket are connected to be switched over controlling the bracket between scan position and stowed position.
The image position method of embodiment according to a second aspect of the present invention, using medical laser described in above-described embodiment
Positioning system carries out framing, specifically includes the following steps: S1, being swept to the scanned object by laser aid
It retouches, and has the photo of the scale by the shooting of described image acquisition device, described image acquisition device believes the photo
Breath is transmitted to the computing module；S2, the computing module calculate the scanned object on photo described in two width of front and back
The difference of physical location, and the difference is fed back into feed unit；S3, the feed unit make the difference corresponding
Compensation data.
Image position method according to an embodiment of the present invention carries out framing by using above-mentioned laser orientation system,
When scanned object is accurately positioned in doctor, the workload of doctor is reduced, while solving new and old visual fusion
Orientation problem.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the side view of medical laser positioning system according to an embodiment of the present invention；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1；
Fig. 3 is the top view of medical laser positioning system according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of medical laser positioning system according to an embodiment of the present invention；
Fig. 5 is the partial structure diagram of medical laser positioning system according to an embodiment of the present invention.
Appended drawing reference:
Medical laser positioning system 100, scanned object 200,
Scanning bed 10, bracket 11, probe 12, switch member 13, data-interface 14, tail portion 15, laser aid 20, scale 30,
Image collecting device 40.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The medical laser positioning system 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 5.
As shown in Figure 1 to Figure 3, medical laser positioning system 100 according to an embodiment of the present invention includes scanning bed 10, laser
Device 20, scale 30, image collecting device 40, computing module and feed unit.
Specifically, scanning bed 10 are suitable for support scanned object 200, and as shown in figures 1 and 3, scanned object 200 can be with
It lies low on scanning bed 10, laser aid 20 is located on scanning bed 10, and laser aid 20 can be launched to scanned object 200
Laser beam, to be scanned to scanned object 200.
Further, scale 30 is fixed on scanning bed 10, scale 30 can along scanning bed 10 length direction (such as
Fig. 1 and front-rear direction shown in Fig. 3) extend, it, can be with by scale 30 while scanned object 200 is lain on scanning bed 10
The physical location of scanned object 200 is measured, and more accurate to the measurement of the physical location of scanned object 200.
Further, image collecting device 40 is located on scanning bed 10, and image collecting device 40 can be on scanning bed 10
The photo that is shot, and shot of scanned object 200 in have scale 30, in this way, being adopted by image collecting device 40
Collection operation can effectively record the physical location of scanned object 200.
Optionally, computing module is connected with laser aid 20 and image collecting device 40 respectively, and laser aid 20 will scan
To information pass to computing module, while physical location information taken by image collecting device 40 is also passed to calculating mould
Block, computing module can be used for calculating physical location of the different scanning object on scanning bed 10, such as calculate the different portions of patient
Physical location of the position on scanning bed 10, can also calculate the difference between multiple physical locations, such as can calculate new and old photograph
Difference between the physical location of on piece scanned object 200.In the description of the present invention, the meaning of " plurality " is two or two
More than a.
In addition, being additionally provided with feed unit on scanning bed 10, wherein feed unit is connected with computing module, and computing module can
Calculated result is passed to feed unit, the difference that feed unit can be fed back according to computing module makes data benefit
It repays, in this way, can be obtained even if scanned object 200 is different in the physical location that front and back is scanned by the feed unit
To the automatic compensation of difference, there is no the physical locations because of scanned object 200 for the data result for finally seeing observer not
It is affected together, that is to say, that the scanned object object for needing observer (such as doctor) manually to consider in the related art
Change in location factor is managed, automatic compensation, observation more intuitiveization, observation have been obtained in feed unit in embodiments of the present invention
Person, without considering the physical location change factor of scanned object 200, reduces the work of observer when observing data result
Load, easier, intuitiveization.
Medical laser positioning system 100 according to an embodiment of the present invention, by using above-mentioned laser orientation system 100, In
When scanned object 200 is accurately positioned in observer (such as doctor), without manually considering the physics of scanned object 200
Change in location factor can carry out automatic compensation difference by feed unit, reduce the workload of doctor, solve simultaneously
The orientation problem of new and old visual fusion.
It should be noted that the length of scale 30 can be configured, according to the scanned object 200 of actual scanning to reach
To the purpose that can measure the physical location of corresponding position in scanned object 200.
According to one embodiment of present invention, laser aid 20 is in scanning 200 Shi Kexiang scanned object of scanned object
The laser beam of 200 transmitting X-directions and Z-direction, as shown in figure 3, laser aid 20 can emit edge to scanned object 200
Left and right directions and in the front-back direction laser beam, the left and right directions as shown in Figure 3 of X-direction here, Z-direction are as shown in Figure 3
Front-rear direction, to scanned object 200 left and right range and antero-posterior extent be scanned.
An optional example according to the present invention, laser aid 20 include laser part and light splitting part, and laser part is used for quilt
Sweep object 200 emits laser beam, and light splitting part is set in the Z-axis direction, and laser beam can be separated by the effect by being divided part
At least two light beams of X-direction are parallel to, in this way, can produce at least two laser to scan scanned object 200
Light beam is positioned, so that two different locations of the laser positioning beam distribution in the Z-direction at scanned object 200, enhancing
Effect is scanned, scanning range is increased.
According to another embodiment of the invention, medical laser positioning system 100 further includes the first adjustment device, and first adjusts
Engagement positions are connected adjustable sharp to the scanning range for adjusting laser aid 20, such as the first adjustment device with laser aid 20
Electro-optical device 20 is swung in the lateral direction, and also adjustable laser aid 20 is in upper and lower, swing, to adjust laser
Device 20 can expand scanning range for being scanned at the different parts of scanned object 200.
Optionally, the first adjustment device is connected with image collecting device 40, to adjust the pitching of image collecting device 40
Angle, in this way, can be shot at the different parts to scanned object 200, to obtain the physical location of corresponding position
Information.
Further, when scanning the designated organ of scanned object 200, laser aid is adjusted by the first adjustment device
The position of 20 laser beams launched, and then to be pre-positioned to position of the scanned object 200 on scanning bed 10,
In this, as a reference position, it is understood that for as a base position.
According to still another embodiment of the invention, medical laser positioning system 100 further includes second adjustment device, is being scanned
Bed 10 is equipped with bracket 11, and laser aid 20 and image collecting device 40 are each provided on bracket 11, second adjustment device and bracket
11 are connected, to adjust the physical location of bracket 11.
As depicted in figs. 1 and 2, bracket 11, the bracket 11 are equipped in scanning bed 10 tail portion 15 (scanning bed 10 rear ends)
Including vertical bar and horizon bar, vertical bar is connected between scanning bed 10 and horizon bar, and the end of horizon bar can extend forward, is swashed
Electro-optical device 20 and image collecting device 40 are each provided on horizon bar so that laser aid 20, image collecting device 40 with scanning
Scanned object 200 on bed 10 is vertically spaced apart a certain distance, convenient to be scanned to scanned object 200,
It can guarantee certain scanning range, while a certain range of physical location information can also be taken.
As a result, by the way that second adjustment device is connected with bracket 11, specifically, adjustable bracket 11 is vertical or horizontal
It stretches on direction, also adjustable bracket 11 is swung in a certain range, to facilitate laser aid 20 that can scan quilt
Sweep object 200, image collecting device 40 can take the physical location information at scanned object 200.
Another optional example according to the present invention, is equipped with probe 12 on bracket 11, and probe 12 may be mounted at bracket
The end of 11 horizon bar, as shown in figure 5, laser aid 20 and image collecting device 40 are installed on probe 12, with convenient
Scanned object 200 is scanned and is shot.In addition, as shown in figure 5, also by the first adjustment device and second adjustment device
It the position of adjustable probe 12 can be to avoid 12 collision of bracket 11 when scanning and probe.
Another optional example according to the present invention, bracket 11 are equipped with switch member 13, switch member 13 and laser aid 20
It is connected, to control the opening and closing of laser aid 20, as shown in Figure 2 and Figure 4, switch member 13 can be located at the water of bracket 11
It on flat bar, can also be located in the vertical bar of bracket 11, switch member 13 and the electrical connection of laser aid 20 are sharp to open or close
Electro-optical device 20, to avoid the eyes for being irradiated to scanned object 200 in scanning.
As shown in Figure 4 and Figure 5, another optional example according to the present invention, on scanning bed 10 and/or probe 12 is equipped with
Data-interface 14, which such as can be transmitted to captured photo for providing power supply and exchange data
For storing in scanning management equipment, specifically, it can be equipped with data-interface 14 on scanning bed 10 and on probe 12, it can also
To be only equipped with data-interface 14 on scanning bed 10 or on probe 12, can be chosen according to actual needs, with convenient to use
And operation.
Another optional example according to the present invention, medical laser positioning system 100 further include rotating device, rotating device
It is connected with bracket 11, can control bracket 11 and switched between scan position and stowed position, scan position is as shown in Figure 3
The position a, the stowed position position b as shown in Figure 3, in this way, the scanned object 200 on scanning bed 10 is moved to pre-determined bit
It sets, rotating device can control bracket 11 and be in scan position, is scanned with facilitating, when scanned object 200 needs to continue
When moving backward (front-rear direction as shown in Figure 3), rotating device, which can control bracket 11 and be turned to by scan position, packs up position
It sets, the quilt to prevent from colliding, when bracket 11 is not adjusted to position (stowed position) avoided collision, on scanning bed 10
Sweep object 200 will not move backward.
The medical laser positioning system 100 of the embodiment of the present invention can be applied on SPECT, the equipment of SPECT/CT, with
The workload that auxiliary carries out positioning scanned object 200, mitigates doctor.
The image position method of embodiment according to a second aspect of the present invention is positioned using the medical laser in above-described embodiment
System 100 carries out framing, specifically includes the following steps: the laser beam launched first by laser aid 20 is to scanned
Object 200 is scanned, while being shot by image collecting device 40 to scanned object 200, and is needed to shoot and be had
The photo of scale 30, to facilitate the physical location of record scanned object 200, then image collecting device 40 can believe photo
Breath is transmitted to computing module, and computing module calculates the physical location of scanned object 200 on photo, by the photo of comparison front and back
The physical location of laser beam can calculate the difference of the physical location of the scanned object 200 on two photos of front and back, calculate mould
Difference can also be fed back to feed unit by block, make corresponding compensation data to difference by feed unit, be realized to being swept
Retouch the function that the difference of the front and back physical location of object 200 compensates automatically.
Further, photo captured by image collecting device 40 may exist the management system for being placed on scanned object 200
In system, according to scanned object 200 ID (identity number) save photo, in this way, patient separate the time check when,
Still the physical location of initial examination scanned can be executed, i.e. the feed unit of the medical laser positioning system 100 can be with
Captured physical location is compensated automatically when to front and back twice sweep, and 200 management system of scanned object passes through scanned
The ID of object 200 is automatically performed realization positioning, without carrying out additional scanning and repositioning, reduces to scanned object
200 nucleic radiation.
It is fixed to carry out image by using above-mentioned laser orientation system 100 for image position method according to an embodiment of the present invention
Position, when scanned object 200 is accurately positioned in doctor, reduces the workload of doctor, while solving new and old shadow
It as the orientation problem of fusion, avoids and carries out additional scanning and repositioning to scanned object 200, reduce to scanned
The nucleic of object 200 radiates, and to assist, doctor is simple, accurately positions sweep test.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Other of medical laser positioning system 100 according to an embodiment of the present invention and image position method constitute and operation
All be for those of ordinary skills it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of medical laser positioning system characterized by comprising
It is scanning bed, it is described scanning bed suitable for support scanned object；
Laser aid, the laser aid be located at it is described it is scanning bed on to be scanned to the scanned object；
Scale, the scale is fixed on described scanning bed upper and extends along the scanning bed length direction, described to measure
The physical location of scanned object；
Image collecting device, described image acquisition device be located at it is described it is scanning bed on to record the physics of the scanned object
Position；
Computing module, the computing module are connected with the laser aid and described image acquisition device respectively, the calculating mould
Block can be used for calculating the difference between the physical location of the scanned object and multiple physical locations；
Feed unit, the feed unit are connected with the computing module, and the feed unit can be according to the computing module institute
The difference of feedback makes compensation data.
2. medical laser positioning system according to claim 1, which is characterized in that the laser aid is scanning the quilt
The laser beam of X-direction and Z-direction can be emitted when sweep object to the scanned object.
3. medical laser positioning system according to claim 2, which is characterized in that the laser aid includes:
Laser part, the laser part are used to emit laser beam to the scanned object；
It is divided part, the light splitting part, which is located in the Z-direction, is parallel to the X-direction so that the laser beam to be separated into
At least two light beams.
4. medical laser positioning system according to claim 1, which is characterized in that further include: the first adjustment device, it is described
The first adjustment device is connected to the scanning range for adjusting the laser aid, the first adjustment device with the laser aid
It is connected with described image acquisition device to the pitch angle for adjusting described image acquisition device.
5. medical laser positioning system according to claim 4, which is characterized in that in the finger for scanning the scanned object
When determining organ, the position for the laser beam that the laser aid is launched is adjusted to be pre-positioned by the first adjustment device
State scanned object it is described it is scanning bed on position.
6. medical laser positioning system according to claim 1, which is characterized in that further include: second adjustment device, it is described
Scanning bed to be equipped with bracket, the laser aid and described image acquisition device are all provided on the bracket, the second adjustment
Device is connected with the bracket to the physical location for adjusting the bracket.
7. medical laser positioning system according to claim 6, which is characterized in that the bracket is equipped with probe, described
Laser aid and described image acquisition device are installed on the probe.
8. medical laser positioning system according to claim 6, which is characterized in that the bracket is equipped with switch member, institute
Switch member is stated to be connected with the laser aid to the opening and closing for controlling the laser aid.
9. medical laser positioning system according to claim 6, which is characterized in that further include: rotating device, the rotation
Device and the bracket are connected to be switched over controlling the bracket between scan position and stowed position.
10. a kind of image position method, which is characterized in that positioned using medical laser of any of claims 1-9
System carries out framing, specifically includes the following steps:
S1, the scanned object is scanned by laser aid, and band has been shot by described image acquisition device
The photo of scale is stated, the photographic intelligence is transmitted to the computing module by described image acquisition device；
S2, the computing module calculate the difference of the physical location of the scanned object on photo described in two width of front and back, and
The difference is fed back into feed unit；
S3, the feed unit make corresponding compensation data to the difference.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113100798A (en) * | 2021-04-20 | 2021-07-13 | 上海联影医疗科技股份有限公司 | Calibration method and system of image acquisition equipment, electronic device and storage medium |
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| WO2022222976A1 (en) * | 2021-04-20 | 2022-10-27 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for calibrating image acquisition devices |
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