CN109567843A - A kind of image scanning automatic positioning method, device, equipment and medium - Google Patents
A kind of image scanning automatic positioning method, device, equipment and medium Download PDFInfo
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- CN109567843A CN109567843A CN201910107788.9A CN201910107788A CN109567843A CN 109567843 A CN109567843 A CN 109567843A CN 201910107788 A CN201910107788 A CN 201910107788A CN 109567843 A CN109567843 A CN 109567843A
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- object construction
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- 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
- A61B6/0487—Motor-assisted positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- 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
- A61B6/48—Diagnostic techniques
- A61B6/488—Diagnostic techniques involving pre-scan acquisition
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- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/40—Positioning of patients, e.g. means for holding or immobilising parts of the patient's body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
Abstract
The embodiment of the invention discloses a kind of image scanning automatic positioning method, device, equipment and media, which comprises obtains the positioning image of subject；The location information of at least one object construction is determined according to the positioning image；The corresponding scan protocols of the object construction are determined based on the location information of the object construction.Method provided by the embodiment of the present invention is by carrying out the location information that identification automatically determines object construction to positioning image, location information based on each object construction is scanned the planning of agreement, realize the automatic positioning for accurately and rapidly carrying out image scanning, keep scanning mode more reasonable, improves imaging effect.
Description
Technical field
The present embodiments relate to medical imaging field more particularly to a kind of image scanning automatic positioning method, device, set
Standby and medium.
Background technique
Currently, in whole body or half body signal acquisition, since detector is in longitudinal scope limitation, need point more than bed
Signal acquisition is carried out, the image of needs is then rebuild and be spliced into.It is right in order to optimize body scan picture quality and sweep time
It generallys use in different beds without sweeping scheme.In the prior art, when being scanned to subject, doctor generally from sweeping in advance
The acquisition range that whole body or privileged site are determined in the simple whole body structure chart retouched, is then planned according to prescan structure chart manually
The bedspace of scanning, adjusts the acquisition range of each bed, bed position when determining scanning, scanning range corresponding to adjacent bed
Between overlapping region parameter and scanning system parameter.The scan protocols finally planned manually according to doctor carry out more beds and sweep
It retouches.In general, the overlapping region parameter and scanning between scanning range corresponding to adjacent bed are excellent in order to realize quick scanning
Change parameter and is set as consistent parameter.
Obviously, doctor is according to acquisition range determining in prescan figure, and the planning for carrying out scan protocols is time-consuming and laborious, gives
Doctor increases burden, and the locations of structures that doctor estimates may be inaccurate, causes scan protocols planning unreasonable, influences most
Whole imaging effect.
Summary of the invention
The embodiment of the invention provides a kind of image scanning automatic positioning method, device, equipment and media, to realize standard
Really, it is rapidly performed by the automatic positioning of image scanning, keeps scanning mode more reasonable, improves imaging effect.
In a first aspect, the embodiment of the invention provides a kind of image scanning automatic positioning methods, comprising:
Obtain the positioning image of subject；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
Second aspect, the embodiment of the invention also provides a kind of automatic device for planning of image scanning, described device includes:
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 object construction according to the positioning image；
Bed planning module, for determining the corresponding scanning of the object construction based on the location information of the object construction
Agreement.
The third aspect, the embodiment of the invention also provides a kind of computer equipment, the equipment includes:
One or more processors；
Storage device, 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 realizes such as image scanning automatic positioning method provided by any embodiment of the invention.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes such as image scanning automatic positioning method provided by any embodiment of the invention when the program is executed by processor.
The positioning image that the embodiment of the present invention passes through acquisition subject；At least one target is determined according to the positioning image
The location information of structure；The corresponding scan protocols of the object construction are determined based on the location information of the object construction, are passed through
The location information that identification automatically determines object construction is carried out to positioning image, the location information based on each object construction is scanned
The planning of agreement realizes the automatic positioning for accurately and rapidly carrying out image scanning, keeps scanning mode more reasonable, improve
Imaging effect.
Detailed description of the invention
Fig. 1 a is the flow chart of image scanning automatic positioning method provided by the embodiment of the present invention one；
Fig. 1 b is the flow diagram of image scanning automatic positioning method provided by the embodiment of the present invention one；
Fig. 2 is the flow chart of image scanning automatic positioning method provided by the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of image scanning automatic positioning equipment provided by the embodiment of the present invention three；
Fig. 4 is the structural schematic diagram of computer equipment provided by the embodiment of the present invention four.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 a is the flow chart of image scanning automatic positioning method provided by the embodiment of the present invention one, and the present embodiment can fit
For the situation when carrying out the scanning of more beds, when planned automatically scan protocols.This method can be by image scanning certainly
Dynamic positioning system executes, which can be realized by the way of software and/or hardware, for example, should
Image scanning automatic positioning equipment is configured in computer equipment.As shown in Figure 1a, this method specifically includes:
S110, the positioning image for obtaining subject.
In the present embodiment, it in order to keep the planning of scan protocols more reasonable, to obtain the preferable medical image of effect, adopts
The method for determining the corresponding scan protocols of object construction with the position based on object construction.Therefore, determine scan protocols it
Before, it needs to obtain the positioning image of subject, the location information of object construction is identified from positioning image.
In one embodiment of the invention, the scan instruction that the basis detects determines at least one target knot
Structure, and prescan is carried out to subject, generate pre-scan images, comprising:
Prescan region is determined according to the scan instruction detected；
The prescan region is scanned using pre-set at least one image mode, is obtained at least one set of pre-
Scan data generates an at least width pre-scan images according to the prescanned data, and the pre-scan images are positioning image.
In the present embodiment, scan instruction is generated according to user's operation, for controlling image scanning automatic positioning dress
It sets and is scanned agreement planning or the instruction of prescan.Wherein, the operational order that prescan region can be triggered according to user is true
It is fixed.
In one embodiment of the invention, user directly can select scanning area in operation interface, detect
After the operational order of user's triggering, operational order is parsed, the operating area carried in the operational order parsed is made
For prescan region.For example, selected in the operation interface when needing to obtain the whole body images of subject " body scan " as
Scanning area, and driver sweep instructs.After image scanning automatic positioning equipment monitors the scan instruction of user's triggering, to scanning
Instruction is parsed, and obtains " body scan " scanning area for including in scan instruction, and " body scan " is used as prescan
Region.
In another embodiment of the invention, prescan area can also be determined according to the object construction that user selects
Domain.Illustratively, when user is interested in subject some regions, need to obtain area-of-interest (such as head, half body, neck,
The regions such as lung, heart, liver, bladder) clear image when, area-of-interest can also be selected in operation interface, and triggered
Scan instruction parses scan instruction, obtains after image scanning automatic positioning equipment detects the operational order of user's triggering
The area-of-interest carried in operational order is obtained, determines prescan region as object construction, and based on the position of object construction.
Optionally, it can will include that the Minimum Area of object construction is determined as prescan region, object construction can also be pre-established
With the corresponding relationship of scanning area, the corresponding prescan region of object construction is determined according to pre-set corresponding relationship.It can be with
Understand, user can choose an area-of-interest as object construction, also can choose multiple semi-cylindrical hills conduct
Object construction.
For example, when user needs to obtain the image comprising head and lung, select in the operation interface " head " and
" lung " is used as object construction, and driver sweep instructs.Image scanning automatic positioning equipment monitors that the scanning of user's triggering refers to
After order, scan instruction is parsed, determines that object construction is " head " and " lung " according to the information that parsing obtains, is based on mesh
Marking structure determination prescan region is " half body scanning ", is then carried out according to determining prescan mode to determining prescan region
Scanning obtains scanning signal, generates pre-scan images according to scanning signal.
In the present embodiment, it can be for example for carrying out the medical imaging scanning device of image scanning automatic positioning: magnetic
Resonant device (Magnetic Resonance, MR), computer tomography equipment (Computed Tomography, CT), just
Positron emission tomography equipment (Positron Emission Tomography, PET), single photon emission tomographic imaging
(Single-Photon Emission Computed Tomography, SPECT), X-ray machine equipment (X-ray Product),
Ultrasonic device (Ultrasound), radiotherapy equipment (Radiation Treatment, RT), and by above-mentioned multiple equipment
Combined multimodal device, such as PET-MR equipment, PET-CT equipment etc..
In general, more bed signal acquisitions are usually used in multimodal device, in the present embodiment, using multimodal device into
When row prescan, one of image mode can be used only, prescan is carried out to subject, two or more also can be used
Image mode carries out prescan to subject.By taking PET-CT as an example, CT can be used only, subject prescan region is carried out in advance
Scanning obtains pre-scan images, can also be carried out simultaneously using two kinds of image modes of PET and CT to subject prescan region pre-
Scanning obtains pre-scan images.Preferably, prescan is carried out to subject using a variety of image modes, a variety of image modes obtain
The structure obtained is more compared with the number of structures that single mode imaging obtains, and the location information of structure is also relatively accurate.
S120, the location information that at least one object construction is determined according to the positioning image.
In the present embodiment, object construction can be the pre-selected area-of-interest of user, or according to sweeping in advance
Retouch the default configuration that region determines.Illustratively, the corresponding relationship that prescan region and object construction can be preset, true
After determining prescan region, the corresponding object construction in prescan region is determined by searching for pre-set corresponding relationship.It can manage
Solution, will when user has also selected area-of-interest when the corresponding relationship for being previously provided with prescan region and object construction
The area-of-interest that user selects is as object construction.
In the present embodiment, after obtaining positioning image, by identifying to positioning image, each object construction is obtained fixed
Location information in bit image.Wherein, the location information of object construction can scheme for object construction edge and/or center in positioning
Coordinate information as in.Illustratively, the location information on head can be coordinate information of the crown in positioning image, liver
Location information can be the coordinate information of liver center and liver's profile in positioning image, and the location information of neck can be
Location information of the neck center in positioning image.
Wherein, positioning image can be a width, or several.Illustratively, pre- to subject when being imaged by MRI
Scanning area carries out prescan, when obtaining pre-scan images according to prescanned data, can obtain in sagittal plain, Coronal and cross
The pre-scan images of disconnected position.Optionally, the pre-scan images comprising the more preset quantity of structural information can be chosen as use
In the positioning image of identification object construction location information.In general, the knot that right sagittal image and preceding coronal bit image include
Structure information is more, using right sagittal image and preceding coronal bit image as the positioning figure of object construction location information for identification
Picture.Prescan is carried out to subject prescan region when being imaged by PET, when obtaining positioning image according to prescanned data, energy
A three-dimensional positioning image is accessed, using obtained three-dimensional localization image determining as object construction location information for identification
Bit image.
Optionally, position of each object construction in positioning image can be determined by the structural information of each object construction,
For example, can identify each object construction from positioning image by the shape information and signal strength of each object construction.
Optionally, position of each object construction in positioning image can also be identified by machine learning algorithm.Specifically
, for each image mode, the history of the available image mode positions image, and is manually marked to history positioning image
Note obtains the location information of history positioning image and the corresponding each object construction of history positioning image, based on history positioning figure
The location information (mark and coordinate of such as each object construction) of picture and the corresponding each object construction of history positioning image generates
Training sample pair is trained the structure recognition model pre-established, obtains trained structure recognition model.When needing to know
When Chu not position the location information of object construction in image, positioning image and object construction to be identified mark are input to instruction
In the structure recognition model perfected, the location information of each object construction of structure recognition model output is obtained.
In the present embodiment, it is contemplated that when bed is planned, bed width is preset parameter, need to only determine that bed is moved in bed
The signal acquisition range in dynamic region, therefore when the position for carrying out object construction identifies, it can only identify object construction
Position coordinates in the vertical direction.
S130, the corresponding scan protocols of the object construction are determined based on the location information of the object construction.
In the present embodiment, it after the location information for determining each object construction, is determined according to the location information of each object construction
The corresponding scan protocols of object construction.In the present embodiment, scan protocols include in bed information, scanning range and sweep parameter
At least one.Wherein, bed information may include the location information of bed quantity and each bed.Scanning range may include
Scan vision size and location, sweep parameter can be the optimization range of the parameter of scanning system or the system ginseng of scanning system
Number.It is understood that different image modes, the system parameter of scanning system is also different.Illustratively, work as scanning system
When for MRI system or PET-MRI system, sweep parameter can be the shimming parameter of main field B0 and RF magnetic field B1, or frequency
Rate calibration parameter, when scanning system is PET system, PET-MR system or PET-CT system, sweep parameter can be decaying school
Positive parameter.
In general, the corresponding scan protocols of different object constructions are different.For example, for by Human Physiology exercise factor
The organ (liver, the heart) for the thorax abdomen that (breathing, heartbeat) influences often acquires multiple groups chest and abdomen scan data and carries out respiratory rectification with this
Promote picture quality；Opposite, lesser head and lower limb are influenced for physiological movement, directly use the collected number of single pass
The time is shortened with this according to figure is reconstructed.It can be seen that the opposite object construction being affected by physiological movement corresponds to dynamic scan
Agreement and the image reconstruction algorithm for correcting motor message are opposite by physiological movement to be influenced lesser object construction and correspond to static state to sweep
Retouch agreement and still image algorithm for reconstructing.In the present embodiment, it can be influenced according to object construction by physiological movement factor
Size, presets the label of object construction, and establishes the corresponding relationship of label and scan protocols, image reconstruction algorithm, into
When the planning of row scan protocols, which is determined according to the corresponding relationship of the label of object construction and label and scan protocols
Structure corresponds to the scan protocols of bed, to obtain the preferable reconstruction image of effect.When being scanned agreement planning, can also pass through
Adjustment object construction corresponds to the scan protocols of bed, to realize physiological signal dynamic reconstruction or specific function about object construction
It can imaging.Illustratively, the label of object construction can be " big ", " small ", or " dynamic ", " quiet ", as long as being capable of basis
The size influenced by physiological status distinguishes.
The embodiment of the present invention can adaptively adjust each object construction and correspond to bed according to the location information of each object construction
Acquisition position so that the pickup area of each bed includes object construction, for example, the crown, neck, liver position, to separate target
Structure carries out the scanning optimization of single-minded customization to it, and such as to being breathed, heartbeat influences position (liver abdomen) and carries out special exercises
Correction.
Fig. 1 b is the flow diagram of image scanning automatic positioning method provided by the embodiment of the present invention one.In Fig. 1 b with
For PET-MRI system, the process of image scanning automatic positioning is schematically illustrated.As shown in Figure 1 b, image scanning from
Dynamic positioning is divided into two steps: firstly, being accurately positioned to area-of-interest.Use positron emission tomography and magnetic resonance
Be imaged two kinds of image modes to prescan region carry out prescan, respectively obtain positron emission tomography prescan figure and
Magnetic resonance imaging prescan figure, wherein positron emission tomography prescan figure is a width 3-D image, and magnetic resonance imaging is pre-
Scanning figure is two-dimensional images, and right sagittal image and preceding coronal bitmap are selected from several magnetic resonance prescan figures
Picture, according to the right sagittal image in the positron emission tomography prescan figure of acquisition and magnetic resonance imaging prescan figure
And preceding coronal bit image is accurately positioned area-of-interest (object construction), determines the location information of object construction.So
Afterwards, the optimization of the corresponding scan protocols of each object construction is carried out according to the location information of each object construction, wherein scan protocols
Optimization includes the planning of bed and overlapping region, system parameter adjustment and scanning area planning.As shown in Figure 1 b, according to each
The location information of object construction cooks up the location information (bed 1, bed 2 ...) and phase that each object construction corresponds to bed
Adjacent bed corresponds to the overlay region of scanning area, while cooking up according to the location information of each object construction that object construction is corresponding to be swept
Retouch the overlay region between region (region 1, region 2 ...), adjacent scan areas and sweep parameter.
The positioning image that the embodiment of the present invention passes through acquisition subject；At least one target is determined according to the positioning image
The location information of structure；The corresponding scan protocols of the object construction are determined based on the location information of the object construction, are passed through
The location information that identification automatically determines object construction is carried out to positioning image, the location information based on each object construction is scanned
The automatic planning of agreement realizes the automatic positioning for accurately and rapidly carrying out image scanning, keeps scanning mode more reasonable, mention
High imaging effect, and set different scan protocols based on different object constructions and can be realized and object construction is determined
The optimization of system, such as physiological signal dynamic reconstruction or specific functional imaging.
Embodiment two
Fig. 2 is the flow chart of image scanning automatic positioning method provided by the embodiment of the present invention two, and the present embodiment is upper
It states and is further optimized on the basis of embodiment.As shown in Figure 2, which comprises
S210, the positioning image for obtaining subject.
S220, position of the object construction in the positioning image is determined according to the structural information of the object construction
Coordinate.
In the present embodiment, it will determine that the location information of at least one object construction is embodied as according to the positioning image
Position coordinates of the object construction in the positioning image are determined according to the structural information of the object construction.Wherein, mesh
The structural information for marking structure may include the shape information of object construction and/or the signal strength of object construction.
In general, different object constructions has different shape informations, and when imaging mode is fixed, fixed target
The signal strength of structure is also in certain signal strength range.Optionally, the corresponding shape of each object construction can be preset
State information and signal strength range.For each structure in positioning image, the structure in positioning image can be extracted
Marginal information matches form and pre-set shape information that the marginal information of the structure is constituted, and by the structure
Intramarginal signal strength matches with pre-set signal strength range, if the form that the marginal information of the structure is constituted
Match with the shape information of either objective structure, and the signal strength of the structure is also in the signal strength range of the object construction
It is interior, then judge that the structure for the object construction, is schemed using position of the structure in positioning image as the object construction in positioning
Position as in.
Optionally, the marginal information for extracting structure in positioning image may include: to be extracted by Boundary extracting algorithm
The marginal information of structure in image is positioned, or extracts the marginal information of structure in positioning image by center extraction algorithm.
The overlapping region that S230, the position coordinates based on the object construction are scanned range to the object construction is excellent
Change.
In the present embodiment, for different object constructions, the overlapping region optimization of different scanning ranges is carried out.Example
Property, object construction is carried out corresponding label setting by the size that can be influenced according to object construction by physiological status, and label can
Think " big " or " small ", or " dynamic " or " quiet ", or other label forms, as long as can be influenced according to by physiological status
Size distinguish.According to the label of setting, so that it is determined that object construction be arranged in adjacent bed scanning range it
Between overlay region or the non-overlap area that is arranged between the scanning range of adjacent bed.Optionally, target knot can be preset
The label of structure.Illustratively, the label influenced by physiological status can be set by liver, heart, lung, abdomen, by head
Portion, neck, bladder, hand are set as being influenced small label by physiological status.
In one embodiment of the invention, the position coordinates based on the object construction are to the object construction
It is scanned the overlapping region optimization of range, comprising:
For object construction described at least one, using the coordinate value of the object construction edge in the vertical direction as institute
Coordinate value of the edge on bed moving direction that object construction corresponds to the scanning range of bed is stated, so that the object construction position
Overlapping region between the scanning range corresponding to adjacent bed.
In general, in order to obtain stronger signal, can be set small object construction is influenced by physiological status in scanning
The overlay region between the scanning range corresponding to adjacent bed is set, small mesh is influenced by physiological status by multiple scanning acquisition
The Multiple-Scan signal of structure is marked, superposition obtains the image of clearer object construction.Optionally, when object construction is by physiology
When state influences small object construction, using the object construction edge, coordinate value in the vertical direction corresponds to bed as object construction
Coordinate value of the bed edge of position on bed moving direction, so that the object construction is located at adjacent bed institute to the full extent
Overlapping region between corresponding scanning range.It is understood that the scanning range edge of object construction edge and bed is
It is corresponding.For example, corresponding to the scanning model of bed using the coordinate value of object construction top edge in the vertical direction as object construction
Coordinate value of the edge on bed moving direction is placed, or using the coordinate value of object construction lower edge in the vertical direction as mesh
Mark structure corresponds to coordinate value of the scanning range lower edge of bed on bed moving direction.
In one embodiment of the invention, the position coordinates based on the object construction are to the object construction
It is scanned the overlapping region optimization of range, comprising:
For object construction described at least one, using the coordinate value of the object construction center in the vertical direction as institute
Coordinate value of the center on bed moving direction that object construction corresponds to the scanning range of bed is stated, so that the object construction position
Non-overlapping Domain between the scanning range corresponding to adjacent bed.
If object construction is the object construction influenced by physiological status, and the object construction is located at adjacent bed correspondence and sweeps
It retouches in the overlapping region in region, when carrying out signal acquisition, since the movement of the object construction influenced by physiological status causes
Adjacent bed corresponding to scanning area object construction collected signal it is different, will lead to final imaging effect not
Together, therefore when being scanned agreement planning, by the object construction influenced by physiological status planning corresponding to the adjacent bed
Scanning area between Non-overlapping Domain, so that the object construction influenced by physiological status is only carried out one when more beds scan
Secondary scanning.
It optionally, can will be in the object construction when object construction is the object construction influenced by physiological status
Heart position coordinates correspond to the center position coordinates of the scanning range of bed as the object construction, guarantee the big portion of the object construction
Non-overlapping Domain of the subregion between the scanning area corresponding to adjacent bed.It should be noted that carrying out by physiology shape
When state influences the positioning of big object construction, it is thus necessary to determine that the margin location of the center of the object construction and the object construction
It sets, to determine whether the object construction is fully located at the Non-overlapping Domain between scanning area corresponding to adjacent bed, with true
The corresponding scan protocols of the structure that sets the goal.
The technical solution of the embodiment of the present invention will determine extremely on the basis of the above embodiments according to the positioning image
The location information of a few object construction is embodied as determining that the object construction exists according to the structural information of the object construction
Position coordinates in the positioning image, and the position coordinates based on each object construction have carried out scanning model to the object construction
The overlapping region optimization enclosed, by determining each object construction in positioning image according to the structural information of each object construction
Position determines the positional relationship of object construction and overlapping region based on the label of each object construction, realize to certain organs or
The scanning of bed carries out parameter optimization setting, and then avoids influencing the scanning of uncorrelated organ.
On the basis of above scheme, the location information based on the object construction determines that the object construction is corresponding
Scan protocols, comprising: the position coordinates based on the object construction are scanned the optimization of range to the object construction.
In the present embodiment, the optimization for being scanned range to object construction includes that be scanned range to object construction big
Small optimization and/or the optimization that range position is scanned to object construction.Optionally, the position based on the object construction
Set the optimization that object construction described in coordinate pair is scanned range, comprising: be directed at least one described object construction, make the mesh
The target area that is constituted of coordinate value of mark structure is contained in the object construction and corresponds to what the coordinate value of scanning range was constituted
Scanning area, so that the object construction is located within the scanning range.
In the present embodiment, the optimization of range is scanned to object construction according to the position coordinates of object construction.True
After the position coordinates for the structure that sets the goal, target can be determined according to the target area that the position coordinates at object construction edge are constituted
Structure corresponds to the scanning area of scanning range, then determines that object construction corresponds to scanning range edge according to determining scanning area
Coordinate value.Specifically, scanning area can be set to the region comprising target area, so that object construction is located at scanning model
Within enclosing.The present embodiment according to the corresponding Scanning size of the automatic object of planning structure in position of object construction and can be swept
Regional location is retouched, keeps the setting of scanning area more reasonable, and then improve imaging effect.
On the basis of above scheme, the location information based on the object construction determines that the object construction is corresponding
Scan protocols, comprising:
Position coordinates based on the object construction are scanned the optimization of parameter to the object construction.
In the present embodiment, the position coordinates for being also based on object construction determine what the sweep parameter of object construction optimized
Range.Optionally, the position coordinates based on the object construction are scanned the optimization of parameter to the object construction, packet
Include: at least one described object construction, the target area for constituting the coordinate value of the object construction is contained in described
The optimization region that the coordinate value that object construction corresponds to sweep parameter optimization range is constituted, so that the object construction is positioned at described
Within the optimization range of sweep parameter.
It optionally, can be according to the position coordinates institute structure at object construction edge after determining the position coordinates of object construction
At target area determine that object construction corresponds to the optimization region of sweep parameter optimization, then determined according to determining optimization region
Object construction corresponds to the edge coordinate value of sweep parameter optimization.Specifically, can set in optimization region to comprising target area
Region so that object construction is located within the optimization range of sweep parameter.The present embodiment can be according to the position of object construction
Automatically the optimization range of the corresponding sweep parameter of object of planning structure, keeps the optimization range of sweep parameter more reasonable, additionally it is possible to
The optimization that organ of interest is customized by the way that different scanning optimization parameter is arranged, such as physiological signal dynamic reconstruction or specific
Functional imaging.
On the basis of above scheme, the location information based on the object construction determines that the object construction is corresponding
Scan protocols, comprising: the position coordinates based on the object construction to the object construction carry out bed information optimization.It can
Choosing, bed needed for the corresponding bed position of object construction can be determined according to the position coordinates of object construction and completes scanning
Bit quantity.Illustratively, at least one object construction, the coordinate value of object construction center in the vertical direction can be made
Coordinate value of the bed center of bed on bed moving direction is corresponded to for object construction, or by object construction edge in vertical side
Upward coordinate value corresponds to coordinate value of the edge on bed moving direction of the scanning range of bed as object construction.It can be with
Understand, the position coordinates of the corresponding bed of object construction scanning range corresponding with object construction has certain corresponding pass
System.Determine that the mode of the position of corresponding bed need to be with the target knot determining according to object construction according to the position coordinates of object construction
The mode that structure corresponds to scanning range is identical.
Embodiment three
Fig. 3 is the structural schematic diagram of image scanning automatic positioning equipment provided by the embodiment of the present invention three.The imaging is swept
Retouching automatic positioning equipment can be realized by the way of software and/or hardware, such as the image scanning automatic positioning equipment can be with
It is configured in computer equipment, as shown in figure 3, described device includes: that positioning image collection module 310, location information determine mould
Block 320 and scan protocols determining module 330, in which:
Image collection module 310 is positioned, for obtaining the positioning image of subject；
Location information determining module 320, for determining that the position of at least one object construction is believed according to the positioning image
Breath；
Scan protocols determining module 330, for determining the object construction pair based on the location information of the object construction
The scan protocols answered.
The embodiment of the present invention obtains the positioning image of subject by positioning image collection module；Location information determining module
The location information of at least one object construction is determined according to the positioning image；Scan protocols determining module is based on the target knot
The location information of structure determines the corresponding scan protocols of the object construction, automatically determines target by carrying out identification to positioning image
The location information of structure, the location information based on each object construction are scanned the planning of agreement, realize accurately and rapidly into
The automatic positioning of row image scanning keeps scanning mode more reasonable, improves imaging effect, and can be realized to object construction
The optimization being customized, such as physiological signal dynamic reconstruction or specific functional imaging.
On the basis of above scheme, the scan protocols include in bed information, scanning range and sweep parameter extremely
Few one kind.
On the basis of above scheme, the location information determining module 320 is specifically used for:
Position coordinates of the object construction in the positioning image are determined according to the structural information of the object construction.
On the basis of above scheme, the scan protocols determining module 330 includes that scanning range optimizes unit, described to sweep
Range optimization unit is retouched to be used for:
Position coordinates based on the object construction are scanned the optimization of range to the object construction.
On the basis of above scheme, the scanning range optimization unit is specifically used for:
For object construction described at least one, the target area for constituting the coordinate value of the object construction is contained in
The object construction corresponds to the scanning area that the coordinate value of scanning range is constituted, so that the object construction is located at the scanning
Within the scope of.
On the basis of above scheme, the scan protocols determining module 330 includes that sweep parameter optimizes unit, described to sweep
Parameter optimization unit is retouched to be used for:
Position coordinates based on the object construction are scanned the optimization of parameter to the object construction.
On the basis of above scheme, the sweep parameter optimization unit is specifically used for:
For object construction described at least one, the target area for constituting the coordinate value of the object construction is contained in
The optimization region that the coordinate value that the object construction corresponds to sweep parameter optimization range is constituted, so that the object construction is located at
Within the optimization range of the sweep parameter.
On the basis of above scheme, the scan protocols determining module 330 includes that overlapping region optimizes unit, described heavy
Folded optimization of region unit is used for:
The overlapping region that position coordinates based on the object construction are scanned range to the object construction optimizes.
On the basis of above scheme, the overlapping region optimization unit is specifically used for:
For object construction described at least one, using the coordinate value of the object construction center in the vertical direction as institute
It states object construction and corresponds to coordinate value of the bed center of bed on bed moving direction, so that the object construction is positioned at adjacent
Non-overlapping Domain between scanning range corresponding to bed.
On the basis of above scheme, the overlapping region optimization unit is specifically used for:
For object construction described at least one, using the coordinate value of the object construction edge in the vertical direction as institute
Coordinate value of the edge on bed moving direction that object construction corresponds to the scanning range of bed is stated, so that the object construction position
Overlapping region between the scanning range corresponding to adjacent bed.
On the basis of above scheme, the positioning image collection module 310 is specifically used for:
Prescan region is determined according to the scan instruction detected；
The prescan region is scanned using pre-set at least one image mode, is obtained at least one set of pre-
Scan data generates an at least width pre-scan images according to the prescanned data, and the pre-scan images are positioning image:
Imaging provided by any embodiment can be performed in image scanning automatic positioning equipment provided by the embodiment of the present invention
Scanning automatic positioning method has the corresponding functional module of execution method and beneficial effect.
Example IV
Fig. 4 is the structural schematic diagram of computer equipment provided by the embodiment of the present invention four.Fig. 4, which is shown, to be suitable for being used in fact
The block diagram of the exemplary computer device 412 of existing embodiment of the present invention.The computer equipment 412 that Fig. 4 is shown is only one
Example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in figure 4, computer equipment 412 is showed in the form of universal computing device.The component of computer equipment 412 can
To include but is not limited to: one or more processor 416, system storage 428 connect different system components (including system
Memory 428 and processor 416) bus 418.
Bus 418 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor 416 or total using the local of any bus structures in a variety of bus structures
Line.For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture
(MAC) bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) are total
Line.
Computer equipment 412 typically comprises a variety of computer system readable media.These media can be it is any can
The usable medium accessed by computer equipment 412, including volatile and non-volatile media, moveable and immovable Jie
Matter.
System storage 428 may include the computer system readable media of form of volatile memory, such as deposit at random
Access to memory (RAM) 430 and/or cache memory 432.Computer equipment 412 may further include it is other it is removable/
Immovable, volatile/non-volatile computer system storage medium.Only as an example, storage device 434 can be used for reading
Write immovable, non-volatile magnetic media (Fig. 4 do not show, commonly referred to as " hard disk drive ").Although not shown in fig 4,
The disc driver for reading and writing to removable non-volatile magnetic disk (such as " floppy disk ") can be provided, and non-easy to moving
The CD drive that the property lost CD (such as CD-ROM, DVD-ROM or other optical mediums) is read and write.In these cases, each
Driver can be connected by one or more data media interfaces with bus 418.Memory 428 may include at least one
Program product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform this
Invent the function of each embodiment.
Program/utility 440 with one group of (at least one) program module 442, can store in such as memory
In 428, such program module 442 includes but is not limited to operating system, one or more application program, other program modules
And program data, it may include the realization of network environment in each of these examples or certain combination.Program module 442
Usually execute the function and/or method in embodiment described in the invention.
Computer equipment 412 can also be with one or more external equipments 414 (such as keyboard, sensing equipment, display
424 etc.) it communicates, the equipment interacted with the computer equipment 412 communication can be also enabled a user to one or more, and/or
(such as network interface card is adjusted with any equipment for enabling the computer equipment 412 to be communicated with one or more of the other calculating equipment
Modulator-demodulator etc.) communication.This communication can be carried out by input/output (I/O) interface 422.Also, computer equipment
412 can also by network adapter 420 and one or more network (such as local area network (LAN), wide area network (WAN) and/or
Public network, such as internet) communication.As shown, network adapter 420 passes through its of bus 418 and computer equipment 412
The communication of its module.It should be understood that although not shown in the drawings, other hardware and/or software can be used in conjunction with computer equipment 412
Module, including but not limited to: microcode, device driver, redundant processing unit, external disk drive array, RAID system, magnetic
Tape drive and data backup storage system etc..
Processor 416 by the program that is stored in system storage 428 of operation, thereby executing various function application and
Data processing, such as realize image scanning automatic positioning method provided by the embodiment of the present invention, this method comprises:
Obtain the positioning image of subject；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
Certainly, it will be understood by those skilled in the art that processor can also realize it is provided by any embodiment of the invention
The technical solution of image scanning automatic positioning method.
Embodiment five
The embodiment of the present invention five additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
The image scanning automatic positioning method as provided by the embodiment of the present invention is realized when program is executed by processor, this method comprises:
Obtain the positioning image of subject；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, the computer program stored thereon
The method operation being not limited to the described above, can also be performed image scanning automatic positioning side provided by any embodiment of the invention
Relevant operation in method.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++, also
Including conventional procedural programming language-such as " C " language or similar programming language.Program code can be complete
Ground executes on the user computer, partly executes on the user computer, executing as an independent software package, partially existing
Part executes on the remote computer or executes on a remote computer or server completely on subscriber computer.It is being related to
In the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or wide area
Net (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as using ISP come
It is connected by internet).
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 invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (14)
1. a kind of image scanning automatic positioning method characterized by comprising
Obtain the positioning image of subject；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
2. the method according to claim 1, wherein the scan protocols include bed information, scanning range and
At least one of sweep parameter.
3. the method according to claim 1, wherein described determine at least one target according to the positioning image
The location information of structure, comprising:
Position coordinates of the object construction in the positioning image are determined according to the structural information of the object construction.
4. according to the method described in claim 3, it is characterized in that, the location information based on the object construction determines institute
State the corresponding scan protocols of object construction, comprising:
Position coordinates based on the object construction are scanned the optimization of range to the object construction.
5. according to the method described in claim 4, it is characterized in that, the position coordinates based on the object construction are to described
Object construction is scanned the optimization of range, comprising:
For object construction described at least one, the target area for constituting the coordinate value of the object construction is contained in described
Object construction corresponds to the scanning area that the coordinate value of scanning range is constituted, so that the object construction is located at the scanning range
Within.
6. according to the method described in claim 3, it is characterized in that, the location information based on the object construction determines institute
State the corresponding scan protocols of object construction, comprising:
Position coordinates based on the object construction are scanned the optimization of parameter to the object construction.
7. according to the method described in claim 6, it is characterized in that, the position coordinates based on the object construction are to described
Object construction is scanned the optimization of parameter, comprising:
For object construction described at least one, the target area for constituting the coordinate value of the object construction is contained in described
The optimization region that the coordinate value that object construction corresponds to sweep parameter optimization range is constituted, so that the object construction is positioned at described
Within the optimization range of sweep parameter.
8. according to the method described in claim 3, it is characterized in that, the location information based on the object construction is automatically true
Determine the corresponding scan protocols of the object construction, comprising:
The overlapping region that position coordinates based on the object construction are scanned range to the object construction optimizes.
9. according to the method described in claim 8, it is characterized in that, the position coordinates based on the object construction are to described
Object construction is scanned the overlapping region optimization of range, comprising:
For object construction described at least one, using the coordinate value of the object construction center in the vertical direction as the mesh
Mark structure corresponds to coordinate value of the bed center of bed on bed moving direction, so that the object construction is located at adjacent bed
Non-overlapping Domain between corresponding scanning range.
10. according to the method described in claim 8, it is characterized in that, the position coordinates based on the object construction are to institute
State the overlapping region optimization that object construction is scanned range, comprising:
For object construction described at least one, using the coordinate value of the object construction edge in the vertical direction as the mesh
Mark structure corresponds to coordinate value of the edge of the scanning range of bed on bed moving direction, so that the object construction is located at phase
Overlapping region between scanning range corresponding to adjacent bed.
11. the method according to claim 1, wherein the positioning image for obtaining subject, comprising:
Prescan region is determined according to the scan instruction detected；
The prescan region is scanned using pre-set at least one image mode, obtains at least one set of prescan
Data generate an at least width pre-scan images according to the prescanned data, and the pre-scan images are positioning image.
12. a kind of image scanning automatic positioning equipment, which is characterized in that described device includes:
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 object construction according to the positioning image；
Scan protocols determining module, for determining the corresponding scanning of the object construction based on the location information of the object construction
Agreement.
13. a kind of computer equipment, which is characterized in that the equipment includes:
One or more processors；
Storage device, 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 following operation:
Obtain the positioning image of subject；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Following operation is realized when execution:
Obtain positioning image；
The location information of at least one object construction is determined according to the positioning image；
The corresponding scan protocols of the object construction are determined based on the location information of the object construction.
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| CN201910107788.9A CN109567843B (en) | 2019-02-02 | 2019-02-02 | Imaging scanning automatic positioning method, device, equipment and medium |
| 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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| CN201910107788.9A CN109567843B (en) | 2019-02-02 | 2019-02-02 | Imaging scanning automatic positioning method, device, equipment and medium |
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