CN110037727A - Position quantization method, device, terminal and readable medium are put in imaging system - Google Patents
Position quantization method, device, terminal and readable medium are put in imaging system Download PDFInfo
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- 238000003384 imaging method Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000013139 quantization Methods 0.000 title claims abstract description 42
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- 210000002216 heart Anatomy 0.000 claims description 7
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- 238000012935 Averaging Methods 0.000 description 2
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- 238000007689 inspection Methods 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000002600 positron emission tomography Methods 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000002603 single-photon emission computed tomography Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
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- 238000012831 peritoneal equilibrium test Methods 0.000 description 1
- 238000012636 positron electron tomography Methods 0.000 description 1
- 238000012877 positron emission topography Methods 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
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Abstract
The embodiment of the invention discloses position quantization method, device, terminal and readable medium is put in a kind of imaging system, wherein this method comprises: obtaining the positioning image of subject；The location information of at least one preset structure is determined according to the positioning image；According to the location information of at least one preset structure and default imaging center, the pendulum position offset of the subject is determined.Position quantization method, device, terminal and readable medium are put in imaging system provided in an embodiment of the present invention, the pendulum position by quantifying subject deviates, and improves pendulum position efficiency, ensure that the pendulum bit integrity of subject, keep scanning imagery result preferable.
Description
Technical field
The present embodiments relate in Medical Image Processing more particularly to a kind of imaging system put position quantization method,
Device, terminal and readable medium.
Background technique
The medical image system clinically used, including projected X-rays imaging system, X ray computer tomographic imaging system
System, radioactive isotope imaging system, ultrasonic image-forming system and magnetic resonance imaging system etc..It can be with using medical image system
Imaging is scanned to tissues such as bone, muscle, blood vessel and organs.To obtain preferable scanning imagery as a result, it is desirable in scanning
Guarantee that the pendulum position of object construction meets default pendulum position condition.
In the prior art, positioning scanning usually is carried out before formal scanning, obtains positioning scanning result.Doctor is based on clinic
Micro-judgment positions the pendulum position of object construction in scanning result, and carries out subsequent operation, such as adjustment is put position or formally swept
It retouches.
It is in place of the deficiencies in the prior art, judges that the pendulum position of object construction in prescan result exists based on clinical experience
Very big subjectivity, it is understood that there may be repeatedly adjustment pendulum position is still unsatisfactory for the case where default pendulum position condition, not only influences scanning imagery
As a result, and reducing scanning imagery efficiency.
Summary of the invention
In view of this, the embodiment of the invention provides put position quantization method, device, terminal and readable in a kind of imaging system
Medium improves pendulum position efficiency, ensure that the pendulum bit integrity of subject, keep scanning imagery result preferable.
In a first aspect, the embodiment of the invention provides put position quantization method in a kind of imaging system, comprising:
Obtain the positioning image of subject；
The location information of at least one preset structure is determined according to the positioning image；
According to the location information of at least one preset structure and default imaging center, the pendulum of the subject is determined
Position offset.
Second aspect, the embodiment of the invention provides position quantization device is put in a kind of imaging system, comprising:
Image collection module is positioned, for obtaining the positioning image of subject；
Location information determining module, for determining the location information of at least one preset structure according to the positioning image；
Position offset determination module is put, location information and default imaging at least one preset structure according to
Center determines the pendulum position offset of the subject.
The third aspect, the embodiment of the invention provides a kind of terminals, comprising:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device, which is realized in the imaging system as described in any embodiment of the present invention, puts position quantization method.
Fourth aspect, the embodiment of the invention provides a kind of readable mediums, are stored thereon with computer program, the program quilt
It is realized when processor executes in the imaging system as described in any embodiment of the present invention and puts position quantization method.
Position quantization method, device, terminal and readable medium are put in a kind of imaging system provided in an embodiment of the present invention, first
The positioning image of subject is obtained, the location information of at least one preset structure, last basis are then determined according to positioning image
The location information of at least one preset structure and default imaging center determine the pendulum position offset of subject.The present invention is implemented
Position quantization method, device, terminal and readable medium are put in the imaging system that example provides, the pendulum position by quantifying subject deviates,
Pendulum position efficiency is improved, the pendulum bit integrity of subject is ensure that, keeps scanning imagery result preferable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that quantization method flow chart in position is put in a kind of imaging system of the offer of the embodiment of the present invention one；
Fig. 2 is the characteristic point that preset structure in the quantization method of position is put in a kind of imaging system of the offer of the embodiment of the present invention one
Schematic diagram；
Fig. 3 is pendulum position quantization method flow chart in a kind of imaging system provided by Embodiment 2 of the present invention；
Fig. 4 is that quantization device structural schematic diagram in position is put in a kind of imaging system of the offer of the embodiment of the present invention three；
Fig. 5 is a kind of structural schematic diagram for terminal that the embodiment of the present invention four provides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, clearly and completely describes technical solution of the present invention by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.Following each embodiments
In, optional feature and example are provided simultaneously in each embodiment, each feature recorded in embodiment can be combined, and be formed
The embodiment of each number should not be considered merely as a technical solution by multiple optinal plans.
Embodiment one
Fig. 1 is that quantization method flow chart in position is put in a kind of imaging system of the offer of the embodiment of the present invention one, and the present embodiment can
The case where position quantization is put suitable for imaging system, this method can be realized by terminal, specifically can by software in terminal and/
Or hardware is implemented.
Position quantization method is put referring to Fig. 1, in the imaging system to include the following steps:
S110, the positioning image for obtaining subject.
Wherein, the imaging system that the embodiment of the present invention proposes includes but is not limited to positron emission tomography
(Positron Emission Tomography, PET) system, magnetic resonance (Magnetic Resonance, MR) system, calculating
Machine tomographic imaging (Computed Tomography, CT) system, single photon emission tomographic imaging (Single-Photon
Emission Computed Tomography, SPECT) system, X-ray machine (X-ray Product) system, ultrasound
(Ultrasound) system, radiotherapy (Radiation Treatment, RT) system, and by above-mentioned multiple system in combination
Multimodal systems, such as PET-MR system or PET-CT system etc..
Wherein, imaging system scan instruction can carry out positioning scanning based on the received, to obtain the positioning figure of subject
Picture.Wherein, scan instruction can be triggered by user's operation, and may include the sweep parameter for positioning image in scan instruction.
Wherein, sweep parameter may include the parameters such as scanning area, scanning times and scanning resolution；Wherein, scanning area can be
The predefined positioning scanning area of imaging system, such as " body scan " region or " half body scanning " region, furthermore scanning area
It can also be user's self defined area, such as user can select the subrange of imaging system maximum scan range as positioning
Scanning area；Wherein, scanning times can be primary, or repeatedly, such as by PET imaging system to subject's progress
Scanning, can be obtained positioning image data, which can be obtained to the positioning of the direction in any direction projection
Scheme, such as the positioning image data is carried out projection in sagittal plain, Coronal and the direction of cross-section position three to obtain three Zhang Ding
Bit image, the positioning figure for obtaining these three directions can be single pass, be also possible to Multiple-Scan；Similarly, for MR at
As system, to obtain the positioning image of sagittal plain, Coronal and the direction of cross-section position three, subject can also be carried out primary
Or Multiple-Scan；Wherein, since positioning image is only used for subject's positioning rather than medical diagnosis, scanning can be differentiated
Rate is set as low resolution, to guarantee quick obtaining to positioning image.
S120, the location information that at least one preset structure is determined according to positioning image.
Wherein, preset structure can be understood as pre-set for carrying out the structure of subject's positioning.Wherein, knot is preset
Structure for example can be the structures such as head, shoulder, hand, buttocks, crotch, backbone and foot.Wherein it is possible to according to preset structure pair
The morphological feature answered identifies preset structure from positioning image, such as can obtain each knot of tissue in positioning image first
The profile of structure, if the similarity of the profile of the profile and preset structure of certain institutional framework is higher than preset threshold, by the knot of tissue
Structure is determined as preset structure.And then the present bit of the location information instruction subject using the preset structure in positioning image
It sets, by the way that the current location of subject to be compared with predeterminated position, so that the pendulum position offset of subject can be obtained.According to
Pendulum position offset carries out the adjustment of pendulum position to subject, each subject can be made to be located in the preferable scanning range of imaging system, i.e.,
The pendulum bit integrity that ensure that each subject, keeps scanning imagery result preferable；In addition, avoiding adjustment subject repeatedly puts position
Situation improves pendulum position efficiency.
Optionally, the location information of at least one preset structure is determined according to positioning image, comprising: true according to positioning image
The characteristic point of at least one fixed preset structure, and position of the characteristic point of at least one preset structure in preset coordinate system is sat
It is denoted as the location information at least one preset structure.
Wherein it is possible to choosing on preset structure profile at least one puts characteristic point as preset structure, and can will be special
Sign point is located at location information of the position coordinates as preset structure in preset coordinate system.Wherein, the coordinate of preset coordinate system is former
The coordinate system parameters such as point and reference axis positive direction can be all defined according to actual needs, such as can will position a left side for image
The pixel of top first is as coordinate origin, using horizontally to the right as the positive direction of X-axis, using straight down as Y-axis just
Direction is not specifically limited the coordinate origin setting coordinate parameters such as position and change in coordinate axis direction of preset coordinate at this.
Fig. 2 is the characteristic point that preset structure in the quantization method of position is put in a kind of imaging system of the offer of the embodiment of the present invention one
Schematic diagram.Wherein, figure (a) is human body structural schematic diagram, and figure (b) is the corresponding positioning image of PET imaging system, and figure (c) is MR
The corresponding positioning image of imaging system.
Black outer rim in figure (a) can be understood as imaging system maximum can scanning range, dashed centre line can manage
Solution is the imaging center line of imaging system.Indicating preset structure in figure (a) can be head, shoulder, hand and crotch；When pre-
It, can be using contouring head vertex and left and right extreme point as characteristic point if structure is head；When preset structure is shoulder,
Using shoulder contour or so extreme point as characteristic point；When preset structure is hand, using hand profile or so extreme point as spy
Sign point；When preset structure is crotch, using two thigh root tie points in two femoral regions as characteristic point.
According to the preset structure indicated in figure (a), can be positioned first with Corresponding matching pre- in figure (b) and positioning figure (c)
If structure, it specifically can be and preset structure determined according to the shape information of preset structure.For example, the default knot indicated in figure (a)
When structure is head, since the chamfered shape on head is close to circle, then it can choose profile in positioning figure (b) and positioning figure (c) and connect
The structure of subcircular is as head construction.And then the characteristic point of available positioning figure (b) and preset structure in positioning figure (c),
And characteristic point is located at the position coordinates in preset coordinate system as the location information of preset structure.For example, positioning can be chosen
(b) and the position coordinates of contouring head vertex and left and right extreme point in preset coordinate system in positioning figure (c) are schemed as head
Location information, and can by contouring head away from imaging system it is maximum can the nearest point of distance of scanning range upper sideline make
For contouring head vertex, by contouring head away from imaging system it is maximum can the nearest point of distance in scanning range or so sideline make
For contouring head or so extreme point.The analogy above method can get the characteristic point of other preset structures.
S130, location information and default imaging center according at least one preset structure, determine the pendulum position of subject
Offset.
Wherein, the construction and imaging pattern of each imaging system are neither identical, can be preferable by imaging system images effect
Position is determined as the imaging center of imaging system, such as the imaging center of PET imaging system can be the center of detector, MRI
The imaging center of imaging system can be field homogeneity and the linear band of position of gradient.As shown in Fig. 2, in (a) figure
Line of having a guilty conscience can indicate the straight line where the imaging center of imaging system.Wherein it is possible to using the imaging center of imaging system as
Default imaging center, is scanned in default imaging center a certain range, the scan image of better quality can be obtained.Wherein,
Can pendulum position offset according to the location information of at least one preset structure away from the distance of default imaging center as subject,
So that subject obtains the scan image of better quality after the adjustment of pendulum position.
Optionally, characteristic point includes marginal point and/or central point, and wherein central point is determined based on marginal point.
Wherein, marginal point can be understood as the point on preset structure profile, and central point can be fitted center according to marginal point
It obtains, certain marginal point can also be determined as central point.Illustratively, when preset structure is shoulder, by shoulder contour or so
Shoulder central point can be obtained as marginal point, by the averaging of left and right extreme point in extreme point；When preset structure is backbone, by backbone
Point on the contour line of left and right will be on obtained center line according to the point carry out center fitting on the contour line of left and right as marginal point
Point as backbone central point；When preset structure is crotch, using two thigh root tie points in two femoral regions as feature
Point, this feature point be not only marginal point but also centered on point.
Correspondingly, the location information of at least one preset structure and default imaging center, determine that the pendulum position of subject is inclined
Shifting amount, comprising: according to position coordinates in preset coordinate system of the marginal point of at least one preset structure and/or central point away from pre-
It is set as the distance of inconocenter, determines the pendulum position offset of subject.
Illustratively, when preset structure is shoulder, using shoulder contour or so extreme point as marginal point, by left and right extreme value
Point is averaging and obtains shoulder central point.According to the position coordinates of the marginal point of shoulder and/or central point in preset coordinate system away from
The distance of default imaging center, determines the pendulum position offset of subject, comprising: seek shoulder contour or so extreme point respectively away from pre-
It is set as the distance of inconocenter line, judges whether two distances are equal, after relatively large distance value is subtracted small distance value if unequal
Pendulum position offset of the numerical value obtained divided by 2 as subject；And/or by shoulder central point away from default imaging center line away from
From the pendulum position offset as subject.
After determining that subject puts position offset, it can know that subject puts position again according to offset, if such as being examined
The pendulum position offset of person is that shoulder offsets by 5cm to the left, then subject's shoulder can be prompted to move right according to the pendulum position offset
5cm is located at default imaging center so as to put the subject behind position again, keeps scanning imagery result preferable, also avoid repeatedly
The case where subject puts position is adjusted, pendulum position efficiency is improved.Wherein, prompting mode can for example can also be certainly taking human as prompt
Dynamic prompt；Wherein automatic prompt for example can be text prompt and/or voice prompting.
Position quantization method is put in imaging system provided in this embodiment, subject positions at least one in image by quantization
The more accurately pendulum position offset of subject can be obtained in the location information of preset structure.Imaging provided in an embodiment of the present invention
Position quantization method, device, terminal and readable medium are put in system, the pendulum position by quantifying subject deviates, and improves pendulum position effect
Rate ensure that the pendulum bit integrity of subject, keep scanning imagery result preferable.
Embodiment two
The present embodiment on the basis of the above embodiments, is optimized pendulum position quantization method.Specific optimal way are as follows:
The location information of structure to be scanned is determined according to positioning image；According to the location information of structure to be scanned and preset model to be scanned
It encloses, determines the auxiliary pendulum position offset of subject.The present embodiment and above-described embodiment inventive concept having the same, with above-mentioned reality
Apply that example is identical or corresponding term explains that this embodiment is not repeated.
Fig. 3 is pendulum position quantization method flow chart in a kind of imaging system provided by Embodiment 2 of the present invention.It, should referring to Fig. 3
Method includes the following steps:
S310, the positioning image for obtaining subject；
S320, the location information that at least one preset structure is determined according to positioning image, and determine structure to be scanned
Location information；
S330, location information and default imaging center according at least one preset structure, determine the pendulum position of subject
Offset；According to the location information of structure to be scanned and range to be scanned is preset, determines the auxiliary pendulum position offset of subject.
Wherein, imaging system can further treat Scan Architecture and be scanned after positioning scanning, such as correct
The structures such as portion, lung, heart, liver or bladder are scanned, wherein can be using structure to be scanned as area-of-interest
(Region of Interest, ROI)；ROI can not also be scanned, such as carry out radiotherapy after positioning scanning.
Wherein, imaging system is scanned after positioning scanning if treating Scan Architecture, can be determined from positioning image it is default to
Scanning range, and the auxiliary of subject is determined according to presetting range to be scanned and positioning the location information of structure to be scanned in image
Position offset is put, so as to further adjust the position of structure to be scanned on the basis of guaranteeing that subject puts bit integrity,
To ensure that structure to be scanned can obtain preferable scanning imagery result.
Wherein, to the location information for determining at least one preset structure from positioning image, with determination structure to be scanned
The sequencing of location information is simultaneously not especially limited, and can first determine the location information of at least one preset structure, can also be with
First determine the location information of structure to be scanned, location information that is acceptable while determining at least one preset structure is with determining wait sweep
Retouch the location information of structure.Similarly, to the location information and default imaging center according at least one preset structure, determine by
The pendulum position offset of inspection person, and according to the location information of structure to be scanned and presets range to be scanned, determines that subject's is auxiliary
The sequencing of pendulum position offset is helped also to be not especially limited.
Wherein, structure to be scanned can be identical as preset structure, can also be different from preset structure.Wherein, when to be scanned
When structure is preset structure, the pendulum position of subject can be determined according to the distance that the location information of preset structure presets imaging center
Offset, and determine that the auxiliary pendulum position of subject is deviated with the edge for presetting range to be scanned according to the location information of preset structure
Amount.For example, and head is similarly preset structure, then the characteristic point of available head construction when structure to be scanned is head,
Pendulum position offset is determined at a distance from system imaging center according to characteristic point, and can be according to characteristic point and the preset scanning model in head
The distance at the edge enclosed determines auxiliary pendulum position offset, so that subject head is according to pendulum position offset and auxiliary pendulum position offset
It carries out head and puts position again, obtain optimal head scanning image.
It wherein, can be according in the default imaging of the location information of preset structure when structure to be scanned is not preset structure
The distance of the heart determines the pendulum position offset of subject, and according to the location information of structure to be scanned and the side for presetting range to be scanned
Edge determines the auxiliary pendulum position offset of subject.For example, positioning image can be for " above the waist when structure to be scanned is lung
Image ", at least one preset structure in available positioning image, such as head and/or shoulder structure are obtained, according to head
And/or the characteristic point of shoulder determines the pendulum position offset of subject, and according to pulmonary position information and default lung wait sweep
Range is retouched, determines the auxiliary pendulum position offset of subject, so that subject guarantees pendulum bit integrity according to pendulum position offset, according to
Auxiliary pendulum position offset carries out the position fine tuning of lung's pendulum, to obtain optimal lung scanning image.
Wherein, presetting range to be scanned can be arranged according to clinical experience, and presetting range to be scanned can be according to subject's
The factors such as height, weight, head circumference and/or shoulder breadth carry out dynamic adjustment.
Wherein, according to the location information of structure to be scanned and range to be scanned is preset, determines the auxiliary pendulum position of subject
Offset may include: the characteristic point for choosing structure to be scanned, and wherein characteristic point includes Edge Feature Points and/or central feature
Point, and central feature point can be by being fitted acquisition to Edge Feature Points；According to structure feature point to be scanned with it is to be scanned
Range sideline distance determines that auxiliary puts position offset.For example, when structure to be scanned is heart, it can be according to heart edge feature
Point whether in range to be scanned determine heart whether can scan completely, according to Heart center point whether with range sideline to be scanned
Whether clear it is equidistant determining heart scanning image.Wherein, according to structure feature point to be scanned and range sideline to be scanned away from
From determining the concrete methods of realizing for assisting pendulum position offset, and the location information and default imaging center according to preset structure,
Determine that the pendulum position offset of subject belongs to unified inventive concept, detail can be found in above-described embodiment.
Optionally, the location information of structure to be scanned is determined according to positioning image, comprising: will in positioning image with it is to be scanned
The location information of the corresponding preset structure of structure, is determined as the location information of structure to be scanned.
Wherein, there are the contour edges of structure to be scanned to be not easy the case where extracting, at this time can will be with structure phase to be scanned
Location information of the location information of corresponding preset structure as structure to be scanned.For example, when structure to be scanned is bladder, by
It is not easy to extract in bladder edge, therefore can be using crotch corresponding with bladder as the location information of bladder, to carry out auxiliary pendulum
The determination of position offset.Wherein it is possible to pre-define the corresponding relationship of structure and preset structure to be scanned；Wherein, choose with to
It, can be according to position coordinates of the preset structure in preset coordinate system and range to be scanned after the corresponding preset structure of Scan Architecture
Sideline distance determines that auxiliary puts position offset.
Position quantization method is put in imaging system provided in this embodiment, above-described embodiment is optimized, according to pre-
, can if the scanning of imaging system further progress structure to be scanned after if the location information of structure determines pendulum position offset
Auxiliary pendulum position offset is further determined according to the location information of structure to be scanned, thus guaranteeing subject's pendulum bit integrity
On the basis of, advanced optimize the scanning imagery structure of structure to be scanned.In addition, the present embodiment is with above-described embodiment with identical
Inventive concept, the technical detail of detailed description not can be found in above-described embodiment in the present embodiment, and the present embodiment is reachable
To beneficial effect same as the previously described embodiments.
Embodiment three
Fig. 4 is that position quantization device structural schematic diagram, this implementation are put in a kind of imaging system of the offer of the embodiment of the present invention three
Example is applicable to the case where position quantization is put in imaging system.
Referring to fig. 4, position quantization device is put in the present embodiment in imaging system, comprising:
Image collection module 410 is positioned, for obtaining the positioning image of subject；
Location information determining module 420, for determining the location information of at least one preset structure according to positioning image；
Position offset determination module 430 is put, for according to the location information of at least one preset structure and default imaging
Center determines the pendulum position offset of subject.
Further, location information determining module, for determining the feature of at least one preset structure according to positioning image
Point, and using position coordinates of the characteristic point of at least one preset structure in preset coordinate system as at least one preset structure
Location information.
Optionally, characteristic point includes marginal point and/or central point, and wherein central point is determined based on marginal point；Correspondingly, pendulum
Position offset determination module, for the marginal point and/or central point according at least one preset structure in preset coordinate system
Distance of the position coordinates away from default imaging center determines the pendulum position offset of subject.
Optionally, location information determining module is also used to determine the location information of structure to be scanned according to positioning image；Phase
It answers, puts position offset determination module, be also used to the location information according to structure to be scanned and preset range to be scanned, determine
The auxiliary of subject puts position offset.
Further, location information determining module, for preset structure corresponding with structure to be scanned in image will to be positioned
Location information, be determined as the location information of structure to be scanned.
Position quantization device is put in imaging system provided in this embodiment, puts position in the imaging system proposed with above-described embodiment
Quantization method belongs to same inventive concept, and the technical detail of detailed description not can be found in above-described embodiment in the present embodiment, and
And the present embodiment and above-described embodiment beneficial effect having the same.
Example IV
A kind of terminal is present embodiments provided, can be used in imaging system the case where putting position quantization.Fig. 5 is of the invention real
A kind of structural schematic diagram of terminal of the offer of example three is provided.Referring to Fig. 5, which includes:
One or more processors 510；
Memory 520, for storing one or more programs；
When one or more programs are executed by one or more processors 510, so that one or more processors 510 are realized
Position quantization method is put in the imaging system proposed such as embodiment one.Wherein, when one or more programs are handled by one or more
Device 510 executes, so that one or more processors 510 mainly realize following method: obtaining the positioning image of subject；According to fixed
Bit image determines the location information of at least one preset structure；According to the location information of at least one preset structure and it is preset to
Inconocenter determines the pendulum position offset of subject.
In Fig. 5 by taking a processor 510 as an example；Processor 510 and memory 520 can be connected by bus or other modes
It connects, in Fig. 5 for being connected by bus.
Memory 520 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, as put quantization method corresponding program instruction/module in position in the imaging system in the embodiment of the present invention.Processor
510 software program, instruction and the modules being stored in memory 520 by operation, are answered thereby executing the various functions of terminal
With and data processing, that is, realize in above-mentioned imaging system pendulum position quantization method.
Memory 520 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 520 may include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 520 can be into one
Step includes the memory remotely located relative to processor 510, these remote memories can pass through network connection to terminal.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Pendulum position quantization method belongs to same hair in the imaging system that the terminal and above-described embodiment that the present embodiment proposes propose
Bright design, the technical detail of detailed description not can be found in above-described embodiment, and the present embodiment and above-mentioned reality in the present embodiment
Apply example beneficial effect having the same.
Embodiment five
The present embodiment provides a kind of readable mediums, are stored thereon with computer program, real when which is executed by processor
Now as put position quantization method in the imaging system of above-described embodiment proposition.Wherein, the program stored in readable medium is by processor
When execution, processor can be made mainly to realize following method: obtain the positioning image of subject；It is determined at least according to positioning image
The location information of one preset structure；According to the location information of at least one preset structure and default imaging center, determine by
The pendulum position offset of inspection person.
Pendulum position quantization method belongs to together in the imaging system that the readable medium and above-described embodiment that the present embodiment proposes propose
One inventive concept, the technical detail of detailed description not can be found in above-described embodiment in the present embodiment, and the present embodiment with it is upper
State embodiment beneficial effect having the same.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
The method that standby (can be personal computer, server or the network equipment etc.) executes each embodiment of the present invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of pendulum position quantization method in imaging system characterized by comprising
Obtain the positioning image of subject；
The location information of at least one preset structure is determined according to the positioning image；
According to the location information of at least one preset structure and default imaging center, determine that the pendulum position of the subject is inclined
Shifting amount.
2. the method according to claim 1, wherein described determine that at least one is default according to the positioning image
The location information of structure, comprising:
The characteristic point of at least one preset structure is determined according to the positioning image, and by the spy of at least one preset structure
Position coordinates location information as at least one preset structure of the sign point in preset coordinate system.
3. according to the method described in claim 2, it is characterized in that, the characteristic point includes marginal point and/or central point, wherein
The central point is determined based on the marginal point.
4. according to the method described in claim 3, it is characterized in that, the position of at least one preset structure according to is believed
Breath and default imaging center, determine the pendulum position offset of the subject, comprising:
According to the position coordinates of the marginal point of at least one preset structure and/or central point in preset coordinate system away from default
The distance of imaging center determines the pendulum position offset of the subject.
5. method according to claim 1 to 4, which is characterized in that deviated in the pendulum position of the determination subject
After amount, further includes:
The location information of structure to be scanned is determined according to the positioning image；
According to the location information of the structure to be scanned and range to be scanned is preset, determines that the auxiliary pendulum position of the subject is inclined
Shifting amount.
6. according to the method described in claim 5, it is characterized in that, described determine structure to be scanned according to the positioning image
Location information, comprising:
By the location information of preset structure corresponding with the structure to be scanned in the positioning image, it is determined as described to be scanned
The location information of structure.
7. putting position quantization device in a kind of imaging system characterized by comprising
Image collection module is positioned, for obtaining the positioning image of subject；
Location information determining module, for determining the location information of at least one preset structure according to the positioning image；
Position offset determination module is put, for according in the location information of at least one preset structure and default imaging
The heart determines the pendulum position offset of the subject.
8. device according to claim 7, which is characterized in that the location information determining module is also used to according to
Positioning image determines the location information of structure to be scanned；Correspondingly,
Position offset determination module is put, the location information according to the structure to be scanned is also used to and presets range to be scanned,
Determine the auxiliary pendulum position offset of the subject.
9. a kind of terminal, which is characterized in that the terminal includes:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now as put position quantization method in imaging system as claimed in any one of claims 1 to 6.
10. a kind of readable medium, is stored thereon with computer program, which is characterized in that the realization when program is executed by processor
As put position quantization method in imaging system as claimed in any one of claims 1 to 6.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323509.2A CN110037727A (en) | 2019-04-22 | 2019-04-22 | Position quantization method, device, terminal and readable medium are put in imaging system |
| US16/726,868 US11666241B2 (en) | 2019-02-02 | 2019-12-25 | System and method for medical imaging |
| US18/329,544 US20230320590A1 (en) | 2019-02-02 | 2023-06-05 | System and method for medical imaging |
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| CN201910323509.2A CN110037727A (en) | 2019-04-22 | 2019-04-22 | Position quantization method, device, terminal and readable medium are put in imaging system |
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