CN112150543A - Imaging positioning method, device and equipment of medical imaging equipment and storage medium - Google Patents
Imaging positioning method, device and equipment of medical imaging equipment and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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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
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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
- A61B6/50—Clinical applications
- A61B6/504—Clinical applications involving diagnosis of blood vessels, e.g. by angiography
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10104—Positron emission tomography [PET]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10116—X-ray image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30008—Bone
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30101—Blood vessel; Artery; Vein; Vascular
Abstract
The embodiment of the invention discloses an imaging positioning method, an imaging positioning device, imaging positioning equipment and a storage medium of medical imaging equipment. The method comprises the following steps: acquiring a virtual human body model corresponding to an imaging object, and acquiring first position information corresponding to a user operation instruction; determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and displaying the human body internal image; and if the human body internal image corresponding to the first position information corresponds to the target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first position information. The embodiment of the invention solves the problem of damage of radiation to a human body in the imaging operation process, enables a user to set parameters at will in the imaging positioning process, does not cause any damage to the human body, and further ensures the positioning accuracy.
Description
Technical Field
The embodiment of the invention relates to the technical field of image processing, in particular to an imaging positioning method, an imaging positioning device, imaging positioning equipment and a storage medium of medical imaging equipment.
Background
When using medical devices to diagnose or treat a tissue site of a patient, it is important to ensure that the medical device can be positioned at the target tissue site so that the pathological characteristics of the target tissue site can be accurately observed or the therapeutic effect can be improved.
In order to achieve the above purpose, the prior art widely adopts a mode that the X-ray penetrates through the human body, the densities of different tissue parts are different, so that the absorption degree of the X-ray is different, and the tissue parts with different densities can be distinguished according to the property of differential absorption so as to reflect the tissue information in the human body. However, the damage of ionizing radiation to the human body is very extensive and difficult to predict.
Disclosure of Invention
The embodiment of the invention provides an imaging positioning method, an imaging positioning device, imaging positioning equipment and a storage medium of medical imaging equipment, which are used for realizing imaging positioning without causing any damage to a human body, and further improving the positioning accuracy.
In a first aspect, an embodiment of the present invention provides an imaging positioning method for a medical imaging apparatus, where the method includes:
acquiring a virtual human body model corresponding to an imaging object, and acquiring first position information corresponding to a user operation instruction;
determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and displaying the human body internal image;
if the human body internal image corresponding to the first position information corresponds to a target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first position information;
and if the human body internal image corresponding to the first position information does not correspond to the target shooting position, continuously acquiring second position information different from the first position information, and determining a target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second position information.
In a second aspect, an embodiment of the present invention further provides an imaging positioning apparatus for a medical imaging device, the apparatus including:
the virtual human body model acquisition module is used for acquiring a virtual human body model corresponding to the imaging object and acquiring first position information corresponding to the user operation instruction;
the human body internal image display module is used for determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information and displaying the human body internal image;
the first target imaging position determining module is used for determining a target imaging position corresponding to the medical imaging equipment according to the first position information if the human body internal image corresponding to the first position information corresponds to a target shooting position;
and the second target imaging position determining module is used for continuously acquiring second position information different from the first position information if the human body internal image corresponding to the first position information does not correspond to the target shooting position, and determining a target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second position information.
In a third aspect, an embodiment of the present invention further provides a medical imaging apparatus, including:
one or more processors;
a memory for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of imaging localization for a medical imaging device as recited in any of the above-referenced paragraphs.
In a fourth aspect, embodiments of the present invention further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform the imaging localization method of any of the medical imaging devices mentioned above.
According to the embodiment of the invention, the internal image of the human body corresponding to the first position information input by the user is determined based on the virtual human body model, and the target imaging position corresponding to the medical imaging equipment is obtained by judging whether the internal image of the human body corresponds to the target shooting position, so that the problem of damage of radiation to the human body in the imaging operation process is solved, the user can freely set parameters in the imaging positioning process, no damage is caused to the human body, and the positioning accuracy is further ensured.
Drawings
Fig. 1 is a flowchart of an imaging positioning method of a medical imaging apparatus according to an embodiment of the present invention.
Fig. 2 is a flowchart of an imaging positioning method of a medical imaging apparatus according to a second embodiment of the present invention.
Fig. 3 is a schematic diagram of an interactive interface according to a second embodiment of the present invention.
Fig. 4 is a flowchart of an imaging positioning method of a medical imaging apparatus according to a third embodiment of the present invention.
Fig. 5 is a schematic view of an imaging scene of a virtual human body model according to a third embodiment of the present invention.
Fig. 6 is a schematic diagram of an imaging positioning device of a medical imaging apparatus according to a fourth embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a medical imaging apparatus according to a fifth embodiment of the present invention.
Detailed Description
In various embodiments including the first embodiment, the medical imaging apparatus is illustrated as a DSA apparatus (digital subtraction angiography apparatus), and those skilled in the art will understand that other medical imaging apparatuses may be implemented as the following embodiments. Generally, DSA apparatuses include a C-arm, a radiation source and a detector, wherein the radiation source and the detector are mounted at both ends of the C-arm, which may be supported by a movable gantry, which may be either suspended or floor-mounted. The frame may also be a robotic frame. During imaging, an imaging object lies on a patient bed and is positioned between a ray source and a detector, and DSA equipment performs perspective on the imaging object to obtain a plurality of frames of internal images of a human body, so as to assist a doctor in operations, such as operations of surgery, guide wire insertion and the like.
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of an imaging positioning method of a medical imaging device according to an embodiment of the present invention, where the embodiment is applicable to a case where a target region is positioned, the method may be implemented by an imaging positioning method, and the apparatus may be implemented by software and/or hardware. The method specifically comprises the following steps:
s110, acquiring a virtual human body model corresponding to an imaging object, and acquiring first position information corresponding to a user operation instruction.
In one embodiment, optionally, obtaining a virtual human body model corresponding to the imaging object includes: selecting a virtual human body model corresponding to the height data according to the acquired height data corresponding to the imaging object; the virtual human body model comprises a human body type model and a human body internal model.
Specifically, the virtual human body model is composed of two parts, one part is a human body type model related to the height data, and the other part is a human body internal model corresponding to the human body type model. Specifically, the virtual human body model may be a two-dimensional model or a three-dimensional model.
The height data corresponding to the imaging object may be obtained by receiving user input of the height data corresponding to the imaging object, or obtaining a historical medical image of the imaging object, and determining the height data based on image sizes between key points in the historical medical image, where, for example, the key points may include boundary points or joint points.
In one embodiment, optionally, the height data is matched with at least one stored height interval data, and the virtual human body model corresponding to the successfully matched height interval data is used as the virtual human body model corresponding to the height data. Wherein, for example, the height interval data can be 1.0-1.1m, 1.1-1.2m, 1.2-1.3m, 1.3-1.4m, 1.4-1.5m, 1.5-1.6m, 1.6-1.7m, 1.7-1.8m, 1.9-2.0m, etc., and each height interval data corresponds to a human body shape model. Illustratively, the height of the human body shape model corresponding to the height interval data is taken as the average height corresponding to the height interval data. For example, the height of the human body shape model corresponding to the height interval data of 1.0-1.1m may be 1.05 m.
It will be appreciated that the span of height interval data may be smaller or larger, and correspondingly, the number of reference mannequins may be larger or smaller. Of course, the height interval data of 2.0-2.1m can be added or the height interval data of 1.0-1.1m can be deleted on the basis of the height interval data.
In one embodiment, the human internal model optionally includes at least one of a blood vessel model, an organ model, a bone model, and a muscle model. In one embodiment, optionally, the body type model and the internal body model are stored correspondingly based on the height interval data. Illustratively, each height interval data corresponds to an intra-body model for height interval data of 1.0-1.1m, 1.1-1.2m, 1.2-1.3m, 1.3-1.4m, 1.4-1.5m, 1.5-1.6m, 1.6-1.7m, 1.7-1.8m and 1.9-2.0 m.
In one embodiment, optionally, when the height data does not match the height interval data, the virtual human body model matching the height data is determined based on the virtual human body models respectively corresponding to two height interval data adjacent to the height data. For example, if the height data is 1.45m, but the stored height range data is 1.0 to 1.1m, 1.1 to 1.2m, 1.2 to 1.3m, 1.3 to 1.4m, 1.5 to 1.6m, 1.6 to 1.7m, 1.7 to 1.8m, and 1.9 to 2.0m, the virtual human body model corresponding to the height range data of 1.4 to 1.5m is estimated based on the virtual human body model corresponding to 1.3 to 1.4m and the virtual human body model corresponding to 1.5 to 1.6m, and the estimated virtual human body model is used as the virtual human body model matching the height data. The estimation method may be, for example, a difference or an average value, and the specific estimation method is not limited herein. The method has the advantages that the matching degree between the obtained virtual human body model and the imaging object is improved as much as possible, and further, the error between the subsequent human body internal image and the real tissue image is reduced.
In one embodiment, optionally, the first location information includes first model information corresponding to the virtual human body model or first device information corresponding to the medical imaging device, where there is an association relationship between the first model information and the first device information. Specifically, based on the association relationship between the first model information and the second model information, the first device information changes when the first model information changes; conversely, when the first device information changes, the first model information also changes.
In one embodiment, optionally, the association relationship includes a location association relationship, and the method further includes: converting the relative position relationship between the medical imaging equipment and the imaging object into the position association relationship between the medical imaging equipment and the virtual human body model; the position incidence relation is used for representing the relation of the position parameters between the first model information and the first equipment information.
In an exemplary embodiment, the medical imaging device matches with the imaging object through a preset reference point or a preset reference line, and establishes a relative positional relationship between the two. The preset reference point or the preset reference line can be a preset reference point or a preset reference line on the treatment couch. Illustratively, the preset reference line may be a reference line on the couch aligned with a vertex of the head of the imaging subject.
Specifically, the first model information includes model position parameters corresponding to the virtual human body model, and the first device information includes device position parameters corresponding to the medical imaging device. For example, the model position parameter may be a center position and a model angle corresponding to an image of the inside of the human body, and the device position parameter may be a center position of the radiation source and an angle of an axis between the radiation source and the detector with respect to the treatment couch.
In one embodiment, optionally, the association relationship further includes a view association relationship, and the method further includes: acquiring a view incidence relation between first model information and first equipment information; and the visual field incidence relation is used for representing the relation of visual field parameters between the first model information and the first equipment information.
Specifically, the first model information includes a model view parameter corresponding to the virtual human body model, and the first device information includes a device view parameter corresponding to the medical imaging device. Illustratively, the model field-of-view parameter may be an image size corresponding to an image of an interior of the human body, and the device field-of-view parameter may be at least one of a magnification, a source image distance, and a source object distance. Specifically, a mapping list may be pre-established for describing a view association relationship between the first model information and the first device information.
And S120, determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and displaying the human body internal image.
Illustratively, the human body internal image is a virtual image of the virtual human body model corresponding to the first position information. Specifically, when the virtual human body model is a three-dimensional model, the human body internal image may be a three-dimensional image or a two-dimensional projection image corresponding to the angle information in the first position information.
In one embodiment, optionally, the internal human body image includes a model image corresponding to at least one internal human body model of the virtual human body models, wherein the internal human body model includes at least one of a blood vessel model, an organ model, a bone model, and a muscle model. In one embodiment, the user may select an internal human model corresponding to the internal human image on the interactive interface. If the user selects the blood vessel model before imaging the blood vessel, the internal image of the human body only displays the model image of the blood vessel model. In another embodiment, the user may select the transparency of the internal human body model on the interactive interface, for example, if the transparency of the blood vessel model is 0%, and the transparency of the other models is 100%, then the internal human body image only displays the model image of the blood vessel model. The advantage of this arrangement is that the visual interference of the models except the target model to the user is reduced as much as possible, thereby improving the positioning accuracy of the subsequent human body internal image.
And S130, if the human body internal image corresponding to the first position information corresponds to the target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first position information.
Specifically, the target shooting position may be a shooting position preset by the user according to an imaging plan before performing imaging positioning, and may be, for example, a body position such as a chest, a head, and an abdomen, or an organ position such as a stomach, a small intestine, an esophagus, and a throat. The specific setting content of the target shooting position is not limited herein. For example, if the internal image of the human body contains an image corresponding to the target photographing position, the internal image of the human body is considered to correspond to the target photographing position.
S140, if the human body internal image corresponding to the first position information does not correspond to the target shooting position, second position information different from the first position information is continuously acquired, and the target imaging position corresponding to the medical imaging equipment is determined according to the human body internal image corresponding to the second position information.
Specifically, when the first position information is first model information, the second position information is second model information different from the first model information; when the first location information is first device information, the second location information is second device information different from the first device information.
According to the technical scheme, the internal image of the human body corresponding to the first position information input by the user is determined based on the virtual human body model, and whether the internal image of the human body corresponds to the target shooting position is judged, so that the target imaging position corresponding to the medical imaging equipment is obtained, excessive radiation to the human body in the imaging operation process is solved, the user can set parameters randomly in the imaging positioning process, no damage is caused to the human body, and the positioning accuracy is further guaranteed.
Example two
Fig. 2 is a flowchart of an imaging positioning method of a medical imaging apparatus according to a second embodiment of the present invention, and the technical solution of the present embodiment is further detailed based on the above-mentioned embodiment. Optionally, the obtaining of the first location information corresponding to the user operation instruction includes: and when the first position information is first model information, displaying the virtual human body model on an interactive interface, and displaying the first model information corresponding to the user operation instruction on the virtual human body model.
The specific implementation steps of this embodiment include:
and S210, acquiring a virtual human body model corresponding to the imaging object.
S220, displaying the virtual human body model on the interactive interface, and displaying first model information corresponding to the user operation instruction on the virtual human body model.
In one embodiment, optionally, the first model information comprises graphical indicia.
The shape of the graphical mark may be, for example, a square, a circle, a diamond, or any shape, and the specific shape of the graphical mark is not limited herein. In one embodiment, optionally, the graphical marker performs at least one of selection, movement, zooming out and zooming in based on user operation instructions. Illustratively, when a selection operation instruction input by a user is received, a graphical mark corresponding to the selection operation instruction is displayed. Specifically, when the virtual human body model is a three-dimensional model, the graphical mark can move not only in the XOY plane where the virtual human body model is located, but also in the XOZ plane and/or the YOZ plane where the virtual human body model is located, and in addition, the movement includes translation and rotation. Specifically, the model image at any layer and angle of the virtual human body model can be determined and selected by moving the graphical marks.
And S230, determining a human body internal image corresponding to the first model information in the virtual human body model based on the first model information, and displaying the human body internal image.
In one embodiment, when the first model information is a graphical marker, the internal image of the human body corresponding to the graphical marker is determined according to the size of the graphical marker and the position of the graphical marker relative to the virtual human body model. Specifically, the position of the graphical marker relative to the virtual human body model includes an angle and a position coordinate of the graphical marker relative to the virtual human body model.
Fig. 3 is a schematic diagram of an interactive interface according to a second embodiment of the present invention. As shown in fig. 3, the left image includes the virtual human body model and the graphical marks (black boxes) on the virtual human body model, and the right image represents the internal image of the human body corresponding to the graphical marks in the virtual human body model.
S240, if the human body internal image corresponding to the first model information corresponds to the target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first model information.
And S250, if the human body internal image corresponding to the first model information does not correspond to the target shooting position, continuously acquiring second model information different from the first model information, and determining the target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second model information.
In one embodiment, optionally, before continuing to acquire the second location information different from the first location information, the method further includes: and when the first position information is first model information, determining a first imaging position corresponding to the medical imaging equipment according to the first model information and the association relation, and controlling the medical imaging equipment to move to the first imaging position. The technical effect realized by the embodiment is as follows: during the imaging process of the medical imaging device, a user views the internal image of the human body by inputting at least one type of first model information, and during the viewing process, the imaging component corresponding to the medical imaging device moves along with the change of the first model information. And when the human body internal image corresponding to the second model information corresponds to the target shooting position, the current imaging position of the imaging assembly of the medical imaging equipment is the target imaging position.
In another embodiment, optionally, determining the target imaging position corresponding to the medical imaging device according to the first position information includes: and when the first position information is first model information, determining a target imaging position corresponding to the medical imaging equipment according to the first model information and the association relation, and controlling the medical imaging equipment to move to the target imaging position. The technical effect realized by the embodiment is as follows: during imaging of the medical imaging device, a user views an internal image of a human body by inputting at least one type of first model information, and during the viewing, an imaging component of the medical imaging device can not move along with the change of the first model information. When a positioning instruction input by a user is received, the medical imaging device is controlled to move the target imaging position from the initial position based on the target device information.
In this embodiment, optionally, after controlling the medical imaging device to move to the target imaging position based on the target device information, the method further includes: controlling an imaging assembly in the medical imaging device to perform an imaging operation based on a field of view parameter; wherein the field of view parameter includes at least one of a source image distance, a source object distance, and a magnification. Specifically, the source-image distance represents a distance between the source and the detector, the source-object distance represents a distance between the source and the imaging object, and the magnification represents a magnification of the imaging image.
According to the technical scheme, the problem that the user is complex to directly input the first model information is solved by displaying the virtual human body model and the graphical marks on the interactive interface, the user can visually observe the virtual human body model and achieve the purpose of previewing the internal structure of the human body at any relative position by changing the position relation between the graphical marks and the virtual human body model without seeing through the actual human body.
EXAMPLE III
Fig. 4 is a flowchart of an imaging positioning method of a medical imaging apparatus according to a third embodiment of the present invention, and the technical solution of the present embodiment is further detailed based on the above-mentioned embodiments. Optionally, the determining, based on the first position information, an internal human body image corresponding to the first position information in the virtual human body model includes: when the first position information is first equipment information, determining first model information corresponding to the virtual human body model according to the first equipment information and the association relation, and determining an internal image of the human body based on the first model information.
The specific implementation steps of this embodiment include:
s310, acquiring a virtual human body model corresponding to the imaging object, and acquiring first device information corresponding to the user operation instruction.
The user operation instruction can be a parameter input operation instruction, first device information input by a user is received, and in one example, the device parameter information of the medical imaging device input by the user is taken as the first device information; in another example, because the system coordinates of the medical imaging device are calibrated in advance, the coordinates of the various components of the medical imaging device at each location may be updated in real time and known to the system. In this way, an operator, such as a physician, moves the medical imaging device from a first position to a second position, and the system is then able to know the system coordinates of the components of the medical imaging device, whether in the first position or the second position.
S320, determining first model information corresponding to the virtual human body model according to the first equipment information and the incidence relation, and determining an internal image of the human body based on the first model information.
Specifically, according to the association relationship, first device information input by a user is converted into first model information corresponding to the virtual human body model, and a human body internal image corresponding to the first model information is determined.
In one embodiment, optionally, the correlation includes a matching relationship between a field of view parameter, such as a source image distance, in the first device information and an image depth in the first model information. Wherein the source image distance represents the distance between the source and the detector. Fig. 5 is a schematic view of an imaging scene of a virtual human body model according to a third embodiment of the present invention. The three solid lines and one dashed line emanating from the source of radiation indicate that the beam emanating from the source of radiation, i.e. the cone beam emanating from the source of radiation, passes through the virtual phantom. Fig. 5 shows the field of view of the beam as it propagates, at different depth levels of the virtual phantom. As can be seen from fig. 5, the different depth levels correspond to different field of view ranges in the beam propagation path.
In one embodiment, the medical imaging device optionally comprises a digital radiography device, a C-arm radiography device, a breast machine, a computed tomography device, a magnetic resonance device, a positron emission tomography PET device, a positron emission tomography and computed tomography PET-CT device, a positron emission tomography and magnetic resonance imaging PET-MR device or a radiotherapy imaging RT device.
S330, if the human body internal image corresponding to the first device information corresponds to the target shooting position, determining a target imaging position corresponding to the medical imaging device according to the first position information.
In one embodiment, the imaging location in the first device information is optionally taken as the target imaging location corresponding to the medical imaging device.
On the basis of the foregoing embodiment, optionally, the method further includes: displaying the virtual human body model on the interactive interface, and displaying graphical marks on the virtual human body model based on the first device information. Specifically, the first model information is determined according to the first device information and the second matching information, and the graphical mark is displayed according to the first model information. The advantage of this arrangement is that after the user inputs the first device information, the user can continue to input the first model information by performing operations such as selecting, moving, zooming out or enlarging on the graphical marker. The first equipment information and the second model information are alternately input, so that the internal images of the human body can be determined from different dimensions, and the positioning accuracy is further improved.
S340, if the human body internal image corresponding to the first device information does not correspond to the target shooting position, continuously acquiring second device information different from the first device information, and determining a target imaging position corresponding to the medical imaging device according to the human body internal image corresponding to the second device information.
According to the technical scheme of the embodiment, the internal image of the human body is displayed according to the incidence relation between the first equipment information and the first model information by receiving the first equipment information input by the user, so that the positioning can be performed quickly.
Example four
Fig. 6 is a schematic diagram of an imaging positioning device of a medical imaging apparatus according to a fourth embodiment of the present invention. The embodiment can be applied to the situation of positioning the target part, the device can be realized by adopting a software and/or hardware mode, and the imaging positioning device comprises: the system comprises a virtual human body model obtaining module 410, a human body internal image display module 420, a first target imaging position determining module 430 and a second target imaging position determining module 440.
The virtual human body model obtaining module 410 is configured to obtain a virtual human body model corresponding to an imaging object, and obtain first position information corresponding to a user operation instruction;
the human body internal image display module 420 is configured to determine a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and display the human body internal image;
a first target imaging position determining module 430, configured to determine a target imaging position corresponding to the medical imaging device according to the first position information if the internal image of the human body corresponding to the first position information corresponds to the target shooting position;
the second target imaging position determining module 440 is configured to, if the internal human body image corresponding to the first position information does not correspond to the target shooting position, continue to acquire second position information different from the first position information, and determine a target imaging position corresponding to the medical imaging device according to the internal human body image corresponding to the second position information.
According to the technical scheme, the internal image of the human body corresponding to the first position information input by the user is determined based on the virtual human body model, and the target information is obtained through the internal image of the human body corresponding to the positioning instruction, so that the problem of damage of radiation to the human body in the imaging operation process is solved, the user can set parameters at will in the imaging and positioning process, no damage is caused to the human body, and the positioning accuracy is further ensured.
On the basis of the foregoing technical solution, optionally, the first position information includes first model information corresponding to the virtual human body model or first device information corresponding to the medical imaging device, where there is an association relationship between the first model information and the first device information.
On the basis of the above technical solution, optionally, the association relationship includes a position association relationship, and the apparatus further includes:
the position incidence relation determining module is used for converting the relative position relation between the medical imaging equipment and the imaging object into the position incidence relation between the medical imaging equipment and the virtual human body model; the position incidence relation is used for representing the relation of the position parameters between the first model information and the first equipment information.
On the basis of the above technical solution, optionally, the association relationship further includes a view association relationship, and the apparatus further includes:
the visual field incidence relation acquisition module is used for acquiring a visual field incidence relation between the first model information and the first equipment information; and the visual field incidence relation is used for representing the relation of visual field parameters between the first model information and the first equipment information.
On the basis of the above technical solution, optionally, the virtual human body model obtaining module 410 includes:
and when the first position information is first model information, displaying the virtual human body model on the interactive interface, and displaying first model information corresponding to the user operation instruction on the virtual human body model.
On the basis of the above technical solution, optionally, the first model information includes a graphical mark.
On the basis of the above technical solution, optionally, the graphical mark performs at least one of selection, movement, reduction and enlargement based on a user operation instruction.
On the basis of the above technical solution, optionally, the apparatus further includes:
and when the first position information is first model information, determining a first imaging position corresponding to the medical imaging equipment according to the first model information and the association relation, and controlling the medical imaging equipment to move to the first imaging position.
On the basis of the above technical solution, optionally, the first target imaging position determining module 430 includes:
and the first target equipment information determining unit is used for determining a target imaging position corresponding to the medical imaging equipment according to the first model information and the association relation when the first position information is the first model information, and controlling the medical imaging equipment to move to the target imaging position.
On the basis of the above technical solution, optionally, the apparatus further includes:
the imaging operation execution module is used for controlling an imaging assembly in the medical imaging equipment to execute the imaging operation based on the field of view parameter; wherein the view field parameters include at least one of source image distance, source object distance, and magnification.
On the basis of the above technical solution, optionally, the human body internal image display module 420 is specifically configured to:
when the first position information is first equipment information, determining first model information corresponding to the virtual human body model according to the first equipment information and the association relation, and determining an internal image of the human body based on the first model information.
On the basis of the above technical solution, optionally, the first target imaging position determining module 430 includes:
and a second target device information determination unit configured to take the imaging position in the first device information as a target imaging position corresponding to the medical imaging device when the first position information is the first device information.
On the basis of the above technical solution, optionally, the virtual human body model obtaining module 410 is specifically configured to:
selecting a virtual human body model corresponding to the height data according to the acquired height data corresponding to the imaging object; the virtual human body model comprises a human body type model and a human body internal model.
On the basis of the above technical solution, optionally, the human body internal model includes at least one of a blood vessel model, an organ model, a bone model, and a muscle model.
On the basis of the above technical solution, optionally, the medical imaging device includes a digital X-ray imaging device, a C-arm X-ray device, a breast machine, a computed tomography device, a magnetic resonance device, a positron emission tomography PET device, a positron emission tomography and computed tomography PET-CT device, a positron emission tomography and magnetic resonance imaging PET-MR device, or a radiotherapy imaging RT device.
The imaging positioning device provided by the embodiment of the invention can be used for executing the imaging positioning method provided by the embodiment of the invention, and has corresponding functions and beneficial effects of the executing method.
It should be noted that, in the embodiment of the imaging positioning apparatus, the included units and modules are merely divided according to the functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
EXAMPLE five
Fig. 7 is a schematic structural diagram of a medical imaging apparatus according to a fifth embodiment of the present invention, where the fifth embodiment of the present invention provides a service for implementing the imaging positioning method of the medical imaging apparatus according to the foregoing embodiment of the present invention, and an imaging positioning device of the medical imaging apparatus according to the foregoing embodiment may be configured. FIG. 7 illustrates a block diagram of an exemplary medical imaging device 12 suitable for use in implementing embodiments of the present invention. The medical imaging device 12 shown in fig. 7 is only an example and should not impose any limitations on the functionality or scope of use of embodiments of the present invention.
As shown in FIG. 7, the medical imaging device 12 is in the form of a general purpose computing device. The components of the medical imaging device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The medical imaging device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by medical imaging device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. The medical imaging device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 7, and commonly referred to as a "hard drive"). Although not shown in FIG. 7, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The medical imaging device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a user to interact with the medical imaging device 12, and/or with any devices (e.g., network card, modem, etc.) that enable the medical imaging device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, the medical imaging device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 20. As shown in FIG. 7, the network adapter 20 communicates with the other modules of the medical imaging device 12 via the bus 18. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with medical imaging device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes programs stored in the system memory 28 to execute various functional applications and data processing, such as implementing an imaging localization method provided by an embodiment of the present invention.
In one embodiment, the medical imaging device 12 may be a terminal device configured with an imaging positioning device, the terminal device communicatively coupled to the illumination system. In another embodiment, the medical imaging device 12 may also be an illumination system configured with an imaging positioning device.
Through the medical imaging equipment, the problem of damage of radiation to a human body is solved, the imaging positioning is ensured, meanwhile, parameters can be set randomly by a user in the imaging positioning process, no damage can be caused to the human body, and the positioning accuracy can be further improved.
EXAMPLE six
An embodiment of the present invention further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, perform a method for imaging localization, the method including:
acquiring a virtual human body model corresponding to an imaging object, and acquiring first position information corresponding to a user operation instruction;
determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and displaying the human body internal image;
if the human body internal image corresponding to the first position information corresponds to the target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first position information;
and if the human body internal image corresponding to the first position information does not correspond to the target shooting position, continuously acquiring second position information different from the first position information, and determining a target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second position information.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
Of course, the storage medium provided by the embodiments of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the above method operations, and may also perform related operations in the imaging positioning method provided by any embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (18)
1. An imaging localization method of a medical imaging device, comprising:
acquiring a virtual human body model corresponding to an imaging object, and acquiring first position information corresponding to a user operation instruction;
determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information, and displaying the human body internal image;
if the human body internal image corresponding to the first position information corresponds to a target shooting position, determining a target imaging position corresponding to the medical imaging equipment according to the first position information;
and if the human body internal image corresponding to the first position information does not correspond to the target shooting position, continuously acquiring second position information different from the first position information, and determining a target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second position information.
2. The method according to claim 1, wherein the first position information comprises first model information corresponding to the virtual human body model or first device information corresponding to the medical imaging device, and a correlation exists between the first model information and the first device information.
3. The method of claim 2, wherein the association comprises a location association, the method further comprising:
converting the relative position relation between the medical imaging device and the imaging object into the position association relation between the medical imaging device and the virtual human body model; the position incidence relation is used for representing the relation of the position parameters between the first model information and the first equipment information.
4. The method of claim 3, wherein the associations further comprise a view association, the method further comprising:
acquiring a view incidence relation between first model information and first equipment information; and the visual field incidence relation is used for representing the relation of visual field parameters between the first model information and the first equipment information.
5. The method according to claim 2, wherein the acquiring first position information corresponding to a user operation instruction comprises:
and when the first position information is first model information, displaying the virtual human body model on an interactive interface, and displaying the first model information corresponding to the user operation instruction on the virtual human body model.
6. The method of claim 5, wherein the first model information comprises graphical indicia.
7. The method of claim 6, wherein the graphical indicia performs at least one of selecting, moving, zooming out, and zooming in based on user manipulation instructions.
8. The method of claim 2, wherein before continuing to acquire second location information different from the first location information, the method further comprises:
when the first position information is first model information, determining a first imaging position corresponding to the medical imaging device according to the first model information and the association relation, and controlling the medical imaging device to move to the first imaging position.
9. The method of claim 2, wherein determining the target imaging location corresponding to the medical imaging device from the first location information comprises:
when the first position information is first model information, determining a target imaging position corresponding to the medical imaging equipment according to the first model information and the association relation, and controlling the medical imaging equipment to move to the target imaging position.
10. The method of claim 9, further comprising, after controlling the medical imaging device to move to a target imaging position:
controlling an imaging assembly in the medical imaging device to perform an imaging operation based on a field of view parameter; wherein the field of view parameter includes at least one of a source image distance, a source object distance, and a magnification.
11. The method according to claim 2, wherein the determining an internal human body image corresponding to the first position information in the virtual human body model based on the first position information comprises:
when the first position information is first equipment information, determining first model information corresponding to the virtual human body model according to the first equipment information and the association relation, and determining an internal image of the human body based on the first model information.
12. The method of claim 2, wherein determining the target imaging location corresponding to the medical imaging device from the first location information comprises:
and when the first position information is first equipment information, taking the imaging position in the first equipment information as a target imaging position corresponding to the medical imaging equipment.
13. The method of claim 1, wherein the obtaining a virtual human body model corresponding to an imaging object comprises:
selecting a virtual human body model corresponding to the height data according to the acquired height data corresponding to the imaging object; the virtual human body model comprises a human body type model and a human body internal model.
14. The method of claim 13, wherein the human internal model comprises at least one of a vessel model, an organ model, a bone model, and a muscle model.
15. The method of claim 1, wherein the medical imaging device comprises a digital radiography device, a C-arm X-ray device, a mammography machine, a computed tomography device, a magnetic resonance device, a positron emission tomography PET device, a positron emission tomography and computed tomography PET-CT device, a positron emission tomography and magnetic resonance imaging PET-MR device, or a radiotherapy imaging RT device.
16. An imaging positioning apparatus for a medical imaging device, comprising:
the virtual human body model acquisition module is used for acquiring a virtual human body model corresponding to the imaging object and acquiring first position information corresponding to the user operation instruction;
the human body internal image display module is used for determining a human body internal image corresponding to the first position information in the virtual human body model based on the first position information and displaying the human body internal image;
the first target imaging position determining module is used for determining a target imaging position corresponding to the medical imaging equipment according to the first position information if the human body internal image corresponding to the first position information corresponds to a target shooting position;
and the second target imaging position determining module is used for continuously acquiring second position information different from the first position information if the human body internal image corresponding to the first position information does not correspond to the target shooting position, and determining a target imaging position corresponding to the medical imaging equipment according to the human body internal image corresponding to the second position information.
17. A medical imaging device, characterized in that the medical imaging device comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method for imaging localization of a medical imaging device as recited in any of claims 1-15.
18. A storage medium containing computer-executable instructions for performing the method of imaging localization of a medical imaging device of any one of claims 1-15 when executed by a computer processor.
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| CN202011019324.1A CN112150543A (en) | 2020-09-24 | 2020-09-24 | Imaging positioning method, device and equipment of medical imaging equipment and storage medium |
| EP21866101.5A EP4201331A4 (en) | 2020-09-11 | 2021-09-13 | Dynamic perspective method, apparatus and system for c-shaped arm equipment |
| PCT/CN2021/118006 WO2022053049A1 (en) | 2020-09-11 | 2021-09-13 | Dynamic perspective method, apparatus and system for c-shaped arm equipment |
| US18/182,286 US20230230243A1 (en) | 2020-09-11 | 2023-03-10 | Methods, devices, and systems for dynamic fluoroscopy of c-shaped arm devices |
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