CN112258638A - Human body model modeling method and device, storage medium and electronic equipment - Google Patents
Human body model modeling method and device, storage medium and electronic equipment Download PDFInfo
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Abstract
The invention provides a modeling method, a device, a storage medium and electronic equipment of a human body model, which are used for acquiring model data of the same human body in different modes, wherein the model data comprises a skeleton three-dimensional model, a brain model nerve model, a blood vessel model, a muscle model and an internal organ model, a skull three-dimensional model in the skeleton three-dimensional model is taken as a common point of the two human body models, and the two skull three-dimensional models are contrasted and analyzed under the same coordinate system by utilizing the positions of common mark points (anatomical mark points such as a nasal base point, a nasal root point and the like) and a six-vision reference plane corresponding to the skull three-dimensional model, so that different data are fused to acquire a more accurate skull three-dimensional model and even a bone three-dimensional model.
Description
Technical Field
The invention relates to a human body model modeling method, a human body model modeling device, a storage medium and electronic equipment.
Background
With the development of biomedicine and human body biomechanics, a human body is analyzed and researched by establishing a human body model, and then the influence of the relative position relationship of human tissues and organs on human health is explored.
At present, the human body structure data are obtained through medical scanning equipment detection and are led into terminal equipment, the commonly used obtaining method comprises spiral CT and nuclear magnetic resonance, the two modes have superiority and inferiority for obtaining different body data, and the existing medical information detection is difficult to obtain a complete human body model so as to be used for medical staff or researchers to judge the influence of the relative position of each tissue organ in the body of a patient on the state of illness of the patient, so that a modeling method capable of obtaining a more accurate human body model is needed.
Disclosure of Invention
The invention provides a human body model modeling method, a human body model modeling device, a storage medium and electronic equipment, and aims to solve the problem that model data provided by the background technology are not accurate enough.
The invention provides a human body model building method, which comprises the steps of obtaining a first human body model for a human body through spiral CT (computed tomography), and obtaining a second human body model for the same human body through nuclear magnetic resonance, wherein the first human body model comprises a first skeleton three-dimensional model, a first brain model, a first nerve model, a first blood vessel model, a first muscle model and a first internal organ model, the second human body model comprises a second skeleton three-dimensional model, a second brain model, a second nerve model, a second blood vessel model, a second muscle model and a second internal organ model, and the method further comprises the following steps:
the method comprises the following steps:
establishing a first six-view datum plane according to a skull three-dimensional model in the first skeleton three-dimensional model;
establishing a second six-view datum plane according to the skull three-dimensional model in the second skeleton three-dimensional model;
fusing data of the first skeleton three-dimensional model and the second skeleton three-dimensional model through positions of mark points relative to the first six-view datum plane and the second six-view datum plane respectively to obtain a third skeleton three-dimensional model;
fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first viscera model and the second viscera model with the third bone three-dimensional model as a reference to obtain a third human body model.
Further, the step of establishing the six-view reference plane according to the three-dimensional skull model specifically comprises
According to the foremost point of the forehead and the foremost point of the chin in the initial side view of the skull three-dimensional model, connecting the foremost point of the forehead and the foremost point of the chin to determine a forward-looking datum line;
determining a foresight reference plane which passes through the foresight reference line and is perpendicular to the plane of the initial side view according to the foresight reference line;
determining a front view of the skull three-dimensional model according to the front view datum plane, and determining a middle axis perpendicular line according to an anatomical landmark point of the front view;
determining a left-view critical line and a right-view critical line on the front view, wherein the left-view critical line is parallel to the central axis perpendicular line and intersects the leftmost side of the skull, and the right-view critical line is parallel to the central axis perpendicular line and intersects the rightmost side of the skull;
determining a left-view reference plane which passes through the left-view critical line and is perpendicular to the front-view reference plane according to the left-view critical line, and determining a right-view reference plane which passes through the right-view critical line and is perpendicular to the front-view reference plane according to the right-view critical line;
determining a superior and inferior critical line on the frontal view, wherein the superior critical line is mutually perpendicular to the medial axis perpendicular line and intersects the superior most side of the skull, the inferior critical line is mutually perpendicular to the medial axis perpendicular line and intersects the inferior most side of the skull;
determining an upper-view datum plane which passes through the upper-view critical line and is perpendicular to the front-view datum plane according to the upper-view critical line, and determining a lower-view datum plane which passes through the lower-view critical line and is perpendicular to the front-view datum plane according to the lower-view critical line;
and determining a back-view reference plane which is parallel to the front-view reference plane and is respectively vertical to the left-view reference plane and the upper-view reference plane to obtain the skull six-view reference plane.
Further, the "determining the medial axis perpendicular from the anatomical landmark points of the anterior view" includes:
determining a nasal base point, a left anatomical landmark point and a right anatomical landmark point according to the front view, wherein the left anatomical landmark point and the right anatomical landmark point correspond to each other in the anatomy in the left-right direction;
determining a reference line segment passing through the left anatomical landmark point and the right anatomical landmark point;
and determining a centre axis perpendicular line, wherein the centre axis perpendicular line passes through the midpoint of the datum line segment and the nasal base point.
Further, acquiring a view with the maximum nose projection area of the skull three-dimensional model as an initial side view of the skull three-dimensional model.
Further, the method comprises:
and fusing one clear item of information in the first brain model and the second brain model, one clear item of information in the first nerve model and the second nerve model, one clear item of information in the first blood vessel model and the second blood vessel model, one clear item of information in the first muscle model and the second muscle model and one clear item of information in the first internal organ model and the second internal organ model by taking the third skeleton three-dimensional model as a reference to obtain a third human body model.
Further, the third three-dimensional skeleton model is the first three-dimensional skeleton model, and the second brain model, the second nerve model, the second blood vessel model, the second muscle model and the second internal organ model are fused with the first three-dimensional skeleton model as a reference to obtain a third human body model.
Further, the "fusing the data of the first bone three-dimensional model and the second bone three-dimensional model by the positions of the landmark points relative to the first and second six-view reference planes respectively to obtain a third bone three-dimensional model" includes:
and respectively corresponding the positions of the first six-view datum plane and the second six-view datum plane to the positions of the marking points, taking the skull three-dimensional model in the first skeleton three-dimensional model as a datum, and combining the data except the skull in the first skeleton three-dimensional model and the data except the skull in the second skeleton three-dimensional model to obtain the third skeleton three-dimensional model.
The invention also provides a modeling device of a human body model, which obtains a first human body model for a human body through spiral CT and obtains a second human body model for the same human body through nuclear magnetic resonance, wherein the first human body model comprises a first skeleton three-dimensional model, a first brain model, a first nerve model, a first blood vessel model, a first muscle model and a first internal organ model, the second human body model comprises a second skeleton three-dimensional model, a second brain model, a second nerve model, a second blood vessel model, a second muscle model and a second internal organ model, and the device comprises:
the first datum establishing module is used for establishing a first six-view datum plane according to a skull three-dimensional model in the first skeleton three-dimensional model;
the second reference establishing module is used for establishing a second six-view reference plane according to the skull three-dimensional model in the second skeleton three-dimensional model;
the first data fusion module fuses the data of the first skeleton three-dimensional model and the data of the second skeleton three-dimensional model through the positions of the mark points relative to the first six-view datum plane and the second six-view datum plane respectively so as to obtain a third skeleton three-dimensional model;
a second data fusion module for fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first internal organ model and the second internal organ model with the third three-dimensional bone model as a reference to obtain a third human body model.
The invention also provides a storage medium on which a computer program is stored which, when executed by a processor, implements the above-described method of modelling a human body model.
The present invention also provides an electronic device, comprising:
one or more processors;
a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the above-described method of modeling a human body model.
The invention obtains model data of the same human body in different modes, the model data comprises a bone three-dimensional model, a brain model nerve model, a blood vessel model, a muscle model and an internal organ model, the skull three-dimensional model in the bone three-dimensional model is taken as a common point of the two human body models, and the position of a six-vision reference plane corresponding to the skull three-dimensional model is utilized by utilizing a common marking point (an anatomical marking point, such as a nasal base point, a nasal root point and the like) so as to realize the comparative analysis of the two skull three-dimensional models in the same coordinate system, and then different data are fused to obtain more accurate skull three-dimensional models and even bone three-dimensional models.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
FIG. 1 is a flow chart illustrating an embodiment of a modeling method of a human body model according to the present invention.
Fig. 2 is a schematic flow chart of an embodiment of the determination method of the six-vision reference plane of the skull according to the invention.
Fig. 3 is a demonstration diagram of an embodiment of the skull anterior reference line determination method of the invention.
Fig. 4 is a diagram illustrating an embodiment of the method for determining the perpendicular axis of the skull in accordance with the present invention.
Fig. 5 is another schematic diagram of the method of determining the perpendicular to the center axis in fig. 4.
Fig. 6 is a demonstration view of an embodiment of the skull portion reference line of the present invention.
Fig. 7 is a schematic diagram of an embodiment of the modeling apparatus of the human body model of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In one embodiment, the present invention provides a method for modeling a human body model, wherein a first human body model is obtained for a human body by spiral CT, and a second human body model is obtained for the same human body by nuclear magnetic resonance, wherein the first human body model comprises a first bone three-dimensional model, a first brain model, a first nerve model, a first blood vessel model, a first muscle model and a first internal organ model, and the second human body model comprises a second bone three-dimensional model, a second brain model, a second nerve model, a second blood vessel model, a second muscle model and a second internal organ model, as shown in fig. 1, the method comprises the following steps:
and S1, establishing a first six-view datum plane according to the skull three-dimensional model in the first skeleton three-dimensional model.
And S2, establishing a second six-view datum plane according to the skull three-dimensional model in the second skeleton three-dimensional model.
And S3, fusing the data of the first skeleton three-dimensional model and the second skeleton three-dimensional model through the positions of the mark points relative to the first six-view datum plane and the second six-view datum plane respectively to obtain a third skeleton three-dimensional model.
And S4, fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model and any one of the first viscera model and the second viscera model by taking the third skeleton three-dimensional model as a reference to obtain a third human body model.
The invention obtains model data of the same human body in different modes, the model data comprises a bone three-dimensional model, a brain model nerve model, a blood vessel model, a muscle model and an internal organ model, the skull three-dimensional model in the bone three-dimensional model is taken as a common point of the two human body models, and the position of a six-vision reference plane corresponding to the skull three-dimensional model is utilized by utilizing a common marking point (an anatomical marking point, such as a nasal base point, a nasal root point and the like) so as to realize the comparative analysis of the two skull three-dimensional models in the same coordinate system, and then different data are fused to obtain more accurate skull three-dimensional models and even bone three-dimensional models.
In the embodiment, model data of each tissue and organ in the human body model is used as a split block, the model split block obtained by any one of the two obtaining modes is selected by taking the obtained third skeleton three-dimensional model as a reference, and a complete human body model is obtained by splicing, and the model data of the tissue and organ can be obtained by selecting spiral CT or nuclear magnetic resonance, so that the advantages of examination of different tissue and organs by using different obtaining methods are combined, and a human body model with more accurate data is obtained.
In an embodiment of the present invention, the S4 includes:
and fusing one clear item of information in the first brain model and the second brain model, one clear item of information in the first nerve model and the second nerve model, one clear item of information in the first blood vessel model and the second blood vessel model, one clear item of information in the first muscle model and the second muscle model and one clear item of information in the first internal organ model and the second internal organ model by taking the third skeleton three-dimensional model as a reference to obtain a third human body model.
In an embodiment of the invention, the third three-dimensional bone model is the first three-dimensional bone model, and the second brain model, the second nerve model, the second blood vessel model, the second muscle model and the second internal organ model are fused with reference to the first three-dimensional bone model to obtain a third human body model.
In this embodiment, a first three-dimensional skeleton model obtained by spiral CT is used as a reference, and the brain model, the nerve model, the blood vessel model, the muscle model, the visceral model data and the relative position of the second three-dimensional skeleton model in the second human body model, and the common standard of the first three-dimensional skeleton model and the second three-dimensional skeleton model based on a six-view reference plane are used to supplement the brain model, the nerve model, the blood vessel model, the muscle model and the visceral model data to obtain a complete and accurate third human body model.
In an embodiment of the present invention, the S3 includes:
and respectively corresponding the positions of the first six-view datum plane and the second six-view datum plane to the positions of the marking points, taking the skull three-dimensional model in the first skeleton three-dimensional model as a datum, and combining the data except the skull in the first skeleton three-dimensional model and the data except the skull in the second skeleton three-dimensional model to obtain the third skeleton three-dimensional model.
In this embodiment, a skull three-dimensional model in the first three-dimensional skeleton model is used as a reference, and data of other models of the first three-dimensional skeleton model and the second three-dimensional skeleton model except the skull are fused, so as to obtain a more accurate three-dimensional skeleton model.
The invention also provides a method for determining a six-view reference plane of a skull, which comprises the following steps:
and S100, connecting the foremost point of the forehead and the foremost point of the chin according to the foremost point of the forehead and the foremost point of the chin in the initial side view of the skull three-dimensional model to determine a forward-looking reference line 10.
S200, determining a foresight reference plane which passes through the foresight reference line 10 and is perpendicular to the plane of the initial side view according to the foresight reference line 10;
as shown in fig. 3, in this embodiment, the information of the human skull is obtained by scanning a medical instrument, and then the information is loaded into a computer to obtain a three-dimensional model, the manner of obtaining the three-dimensional model of the skull includes spiral CT, nuclear magnetic resonance, and the like, an initial side view is determined by using the loaded three-dimensional model, a frontal reference plane is established by using a frontmost point on the initial side view and a chin frontmost point, and the frontal reference plane is used as an initial reference for establishing a six-view reference plane of the skull.
S300, determining a front view of the skull three-dimensional model according to the front view datum plane, and determining a middle axial perpendicular line 104 according to an anatomical landmark point of the front view.
And S400, determining a left-view critical line 20 and a right-view critical line 30 on the front view, wherein the left-view critical line 20 is parallel to the central perpendicular line 104 and the left-view critical line 20 intersects with the leftmost side of the skull, and the right-view critical line 30 is parallel to the central perpendicular line 104 and the right-view critical line 30 intersects with the rightmost side of the skull.
And S500, determining a left-view critical line 20 and a right-view critical line 30 which are parallel to the center axis perpendicular line on the front view according to the center axis perpendicular line 104, determining a left-view datum plane which passes through the left-view critical line 20 and is perpendicular to the front-view datum plane according to the left-view critical line 20, and determining a right-view datum plane which passes through the right-view critical line 30 and is perpendicular to the front-view datum plane according to the right-view critical line 30.
And S600, determining an upper visual critical line 40 and a lower visual critical line 50 on the front view, wherein the upper visual critical line 40 is perpendicular to the central perpendicular line 104, the upper visual critical line 40 intersects with the uppermost side of the skull, the lower visual critical line 50 is perpendicular to the central perpendicular line 104, and the lower visual critical line 50 intersects with the lowermost side of the skull.
And S700, determining an upper-view reference plane which passes through the upper-view critical line 40 and is perpendicular to the front-view reference plane according to the upper-view critical line 40, and determining a lower-view reference plane which passes through the lower-view critical line 50 and is perpendicular to the front-view reference plane according to the lower-view critical line 50.
As shown in fig. 6, in this embodiment, a left-view critical line 20 and a right-view critical line 30 parallel to the central axis perpendicular line 104 are obtained as a reference, so as to generate a left-view reference plane and a right-view reference plane that are closely attached to the three-dimensional skull model, and further limit the three-dimensional skull model between the left-view reference plane and the right-view reference plane; and further acquiring an upper-view critical line 40 and a lower-view critical line 50 which are perpendicular to the left-view critical line 20 by taking the central axis perpendicular line 104 as a reference, so as to generate an upper-view reference plane and a lower-view reference plane which are tightly attached to the skull three-dimensional model, and further limiting the skull three-dimensional model between the upper-view reference plane and the lower-view reference plane. It should be noted that the critical line mentioned in the present invention refers to a boundary line that divides the three-dimensional model and other regions, one side of the critical line is the three-dimensional model, the other side is the other regions, and there is an intersection between the critical line and the three-dimensional model.
And S800, determining a rear-view reference plane which is parallel to the front-view reference plane and is respectively vertical to the left-view reference plane and the upper-view reference plane.
The invention determines a foresight datum line and a foresight datum plane through a frontmost point and a chin frontmost point in an initial side view, further determines a skull middle axis perpendicular line by using the foresight datum plane, and establishes a left-view datum plane and a right-view datum plane by taking the skull middle axis perpendicular line as a datum, thereby determining a six-view datum plane wrapping the skull to determine skull coronal plane, sagittal plane and horizontal plane standards, and facilitates data comparison and analysis according to the law of conservation of parity through determining the standards, thereby realizing the establishment of corresponding standards according to the skull of different human bodies, and having stronger adaptability; and skull data information of the same human body obtained in different acquisition modes can be compared according to the established six-view datum plane so as to combine the advantages of various model acquisition modes.
According to another embodiment of the invention, by acquiring a human body overall three-dimensional model, on the premise of determining a six-view reference plane of the skull three-dimensional model, standard coordinates of a human body are established, and then relative coordinates of all bones are derived, so that geometric modeling and mathematical modeling of bones such as a spine, a pelvis, lower limbs, upper limbs, a sternum, a clavicle, ribs and the like are realized, and through data conversion based on the model and the relative coordinates, conversion standardization, scientification, intellectualization and datamation of a measurement and evaluation structure of the bones are realized, and a scientific basis is laid for deduction of coordinates of biomechanics among all bones.
Furthermore, another embodiment of the present invention establishes a standard coordinate system of a human body through modeling of human bones, and then performs modeling of any one or more of brain, blood vessels, nerves, muscles and internal organs on the basis of such a coordinate system, so that a forward algorithm and a reverse algorithm are derived through the combination of the modeling and the standard coordinate system and a relative coordinate system, thereby being capable of realizing accurate positioning of the position distance relationship between bones and brain, nerves, blood vessels, muscles, internal organs, etc., and forming a complete global scientific measurement system for human tissues, thereby realizing digital twinning under the fusion of the tissue structures of human digital people.
Furthermore, the position distance relationship between the skeleton and the brain, nerves, blood vessels, muscles, viscera and the like and the subsequent medical treatment scheme and medical treatment effect aiming at the human body can be stored as analysis data sources to enter a cloud server, the analysis data sources corresponding to each human body are analyzed based on big data, the relative position distance relationship, the medical treatment scheme and the corresponding relationship function of the medical treatment effect are determined and obtained, and medical diagnosis and analysis are carried out according to the relationship function.
In another embodiment of the present invention, the method further comprises:
and acquiring a view with the maximum nose projection area of the skull three-dimensional model as an initial side view of the skull three-dimensional model.
In this embodiment, a view with the largest projection area on the side of the nose is found to serve as an initial side view of the three-dimensional skull model, or a view with the most prominent nasal tip point is found to serve as an initial side view of the three-dimensional skull model and serve as an original reference plane for determining the forward-looking reference line.
In an embodiment of the present invention, as shown in fig. 4 to 5, the S300 includes:
s301, determining a nasal base point 101, a left anatomical landmark point 102 and a right anatomical landmark point 103 according to the front view, wherein the left anatomical landmark point 102 and the right anatomical landmark point 103 correspond to each other in the anatomy.
S302, a reference line segment passing through the left anatomical landmark point 102 and the right anatomical landmark point 103 is determined.
And S303, determining a centre plumb line 104, wherein the centre plumb line 104 passes through the midpoint of the datum line segment and the nasal base point 101.
In this embodiment, a nasal base point (nasal base point refers to a bottommost end point of a nasal bone in a direction toward a lip in an anatomy) is selected as a first reference point of the medial axis perpendicular line 104, a second reference point is obtained through a left side anatomical landmark point and a right side anatomical landmark point which correspond to each other in a human anatomy, and the medial axis perpendicular line 104 is established by using a principle that two points determine a straight line. The left anatomical landmark point 102 is a infraorbital foramen on the right side of the maxilla, and the right anatomical landmark point 103 is an infraorbital foramen on the left side of the maxilla, and of course, the left anatomical landmark point 102 and the right anatomical landmark point 103 may also be symmetrical left and right anatomical landmark points such as the uppermost edge point of the upper orbital foramen, the distance point between the inner side walls of the left and right orbits, the intersection of the frontal bone and the zygomatic bone, and the outer side walls of the left and right orbits.
In an embodiment of the present invention, the S800 further includes:
and determining a back vision reference plane which is parallel to the front vision reference plane and is respectively vertical to the left vision reference plane and the upper vision reference plane, wherein the back vision reference plane and the skull three-dimensional model have only one intersection point.
In the embodiment, the skull three-dimensional model is limited in the six-view reference plane by setting the back-view reference plane which has only one intersection point with the skull three-dimensional model, so as to establish a more accurate skull standard.
Further, in an embodiment of the present invention, after S500, the method further includes:
and acquiring a front view of the skull three-dimensional model according to the front view reference plane, and acquiring a first sagittal tangent and a second sagittal tangent which are symmetrical about the central perpendicular line 104 from the front view, wherein the first sagittal tangent and the second sagittal tangent are parallel to the central perpendicular line 104.
A first sagittal plane slice is acquired through the first sagittal tangent line and parallel to the left viewing reference plane.
A second sagittal plane slice is acquired through the second sagittal tangent line and parallel to the left viewing reference plane.
And determining the asymmetry information of the skull three-dimensional model according to the first sagittal plane slice and the second sagittal plane slice.
In this embodiment, two first sagittal plane tangents and a second sagittal plane tangent that are theoretically symmetrical on the skull three-dimensional model are determined through the front view and the perpendicular axis 104, and the asymmetry information of the human body is determined by obtaining the deviation of the position data of the corresponding skull bone, so that the problem part of the human body is determined through the asymmetry information, and then the corresponding problem part is deeply diagnosed and analyzed.
Furthermore, in another embodiment of the present invention, based on the standard coordinate system established by the skull, at least one of the corresponding brain, nerve, blood vessel, muscle, ligament and internal organ is loaded, and a digital twin model corresponding to the actual human body is established, so that the relative position relationship between the bone and the brain, nerve, blood vessel, muscle, ligament or internal organ is obtained through the first sagittal plane slice and the second sagittal plane slice, and then more accurate human body asymmetry information is obtained, and the influence of the relative position relationship on the human body organ or tissue is determined.
In an embodiment of the present invention, after S700, the method further includes:
s401, dividing N equally spaced horizontal sections, wherein the horizontal sections are parallel to the upper view datum plane, and all the horizontal sections are located between the upper view datum plane and the lower view datum plane.
S402, acquiring a horizontal plane slice of the skull three-dimensional model corresponding to the horizontal tangent plane according to the horizontal tangent plane.
In this embodiment, the upper and lower limits of the skull are limited by the upper and lower viewing reference surfaces, equidistant horizontal slices are divided to generate equidistant horizontal slices, and on the basis that the upper and lower viewing reference surfaces are established to be closely attached to the skull, the number of the horizontal slices obtained by cutting is relatively small, that is, effective data obtained on the horizontal slices is relatively large.
Further, in an embodiment of the present invention, after S800, the method further includes:
and S501, dividing N coronal sections at equal intervals, wherein the coronal sections are parallel to the foresight reference plane, and all the coronal sections are positioned between the foresight reference plane and the rear-view reference plane.
And S502, acquiring a coronal plane slice of the skull three-dimensional model corresponding to the coronal plane slice.
In this embodiment, the anterior-posterior limit of the skull is limited by the anterior reference plane and the posterior reference plane, the equidistant horizontal slices are divided to generate equidistant coronal plane slices, and on the basis that the anterior reference plane and the posterior reference plane are established to be tightly attached to the skull, the number of the horizontal plane slices obtained by cutting is relatively small, that is, the effective data obtained on the coronal plane slices is relatively large.
In one embodiment, the present invention provides a skull model building apparatus 1000, the apparatus storing a plurality of instructions adapted to be loaded by a processor and execute a modeling apparatus of a human model, comprising:
and establishing a first six-view datum plane according to the skull three-dimensional model in the first skeleton three-dimensional model.
And establishing a second six-view datum plane according to the skull three-dimensional model in the second skeleton three-dimensional model.
And fusing the data of the first skeleton three-dimensional model and the second skeleton three-dimensional model through the positions of the mark points relative to the first six-view datum plane and the second six-view datum plane respectively to obtain a third skeleton three-dimensional model.
Fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first viscera model and the second viscera model with the third bone three-dimensional model as a reference to obtain a third human body model.
For convenience of description, the modeling organization 1000 of the human body model is split into a functional module architecture, as shown in fig. 7, including:
the first reference establishing module 100 establishes a first six-view reference plane according to a skull three-dimensional model in the first skeleton three-dimensional model.
The second reference establishing module 200 establishes a second six-view reference plane according to the skull three-dimensional model in the second skeleton three-dimensional model.
The first data fusion module 300 fuses the data of the first three-dimensional skeleton model and the data of the second three-dimensional skeleton model to obtain a third three-dimensional skeleton model according to the positions of the landmark points relative to the first six-view reference plane and the second six-view reference plane respectively.
The second data fusion module 400 fuses any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first visceral model and the second visceral model with reference to the third three-dimensional bone model to obtain a third human body model.
The present invention also provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described method of modeling a human body model.
The present invention also provides an electronic device, comprising:
one or more processors;
a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the above-described method of modeling a human body model.
The electronic device integrated module/unit, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the processes in the application program multi-open method described in the above embodiments may be implemented by referring to related hardware through a computer program, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of the human body model modeling method described in the above method embodiments. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
Based on human privacy considerations, the human model diagram shown in the invention is a schematic diagram drawn by software and is only used as a reference for the invention.
Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.
Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A human body model building method is characterized in that a first human body model is obtained for a human body through spiral CT, a second human body model is obtained for the same human body through nuclear magnetic resonance, wherein the first human body model comprises a first skeleton three-dimensional model, a first brain model, a first nerve model, a first blood vessel model, a first muscle model and a first internal organ model, the second human body model comprises a second skeleton three-dimensional model, a second brain model, a second nerve model, a second blood vessel model, a second muscle model and a second internal organ model, and the method further comprises the following steps:
the method comprises the following steps:
establishing a first six-view datum plane according to a skull three-dimensional model in the first skeleton three-dimensional model;
establishing a second six-view datum plane according to the skull three-dimensional model in the second skeleton three-dimensional model;
fusing data of the first skeleton three-dimensional model and the second skeleton three-dimensional model through positions of mark points relative to the first six-view datum plane and the second six-view datum plane respectively to obtain a third skeleton three-dimensional model;
fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first viscera model and the second viscera model with the third bone three-dimensional model as a reference to obtain a third human body model.
2. The modeling method of human body model according to claim 1, wherein said "establishing a six-view reference plane based on a three-dimensional model of skull" specifically comprises
According to the foremost point of the forehead and the foremost point of the chin in the initial side view of the skull three-dimensional model, connecting the foremost point of the forehead and the foremost point of the chin to determine a forward-looking datum line;
determining a foresight reference plane which passes through the foresight reference line and is perpendicular to the plane of the initial side view according to the foresight reference line;
determining a front view of the skull three-dimensional model according to the front view datum plane, and determining a middle axis perpendicular line according to an anatomical landmark point of the front view;
determining a left-view critical line and a right-view critical line on the front view, wherein the left-view critical line is parallel to the central axis perpendicular line and intersects the leftmost side of the skull, and the right-view critical line is parallel to the central axis perpendicular line and intersects the rightmost side of the skull;
determining a left-view reference plane which passes through the left-view critical line and is perpendicular to the front-view reference plane according to the left-view critical line, and determining a right-view reference plane which passes through the right-view critical line and is perpendicular to the front-view reference plane according to the right-view critical line;
determining a superior and inferior critical line on the frontal view, wherein the superior critical line is mutually perpendicular to the medial axis perpendicular line and intersects the superior most side of the skull, the inferior critical line is mutually perpendicular to the medial axis perpendicular line and intersects the inferior most side of the skull;
determining an upper-view datum plane which passes through the upper-view critical line and is perpendicular to the front-view datum plane according to the upper-view critical line, and determining a lower-view datum plane which passes through the lower-view critical line and is perpendicular to the front-view datum plane according to the lower-view critical line;
and determining a back-view reference plane which is parallel to the front-view reference plane and is respectively vertical to the left-view reference plane and the upper-view reference plane to obtain the skull six-view reference plane.
3. The method of claim 2, wherein said determining the medial perpendicular axis from the anatomical landmark points of the anterior view comprises:
determining a nasal base point, a left anatomical landmark point and a right anatomical landmark point according to the front view, wherein the left anatomical landmark point and the right anatomical landmark point correspond to each other in the anatomy in the left-right direction;
determining a reference line segment passing through the left anatomical landmark point and the right anatomical landmark point;
and determining a centre axis perpendicular line, wherein the centre axis perpendicular line passes through the midpoint of the datum line segment and the nasal base point.
4. The method for modeling a human body model according to claim 2, wherein a view of the skull three-dimensional model with the largest nose projection area is obtained as an initial side view of the skull three-dimensional model.
5. A method of modelling a human model according to claim 1, the method comprising:
and fusing one clear item of information in the first brain model and the second brain model, one clear item of information in the first nerve model and the second nerve model, one clear item of information in the first blood vessel model and the second blood vessel model, one clear item of information in the first muscle model and the second muscle model and one clear item of information in the first internal organ model and the second internal organ model by taking the third skeleton three-dimensional model as a reference to obtain a third human body model.
6. The method of claim 1, wherein the third three-dimensional skeletal model is the first three-dimensional skeletal model, and the second brain model, the second nerve model, the second blood vessel model, the second muscle model and the second internal organ model are fused with respect to the first three-dimensional skeletal model to obtain a third human body model.
7. The method of claim 1, wherein the obtaining a third three-dimensional bone model by fusing data of the first three-dimensional bone model and the second three-dimensional bone model according to the positions of the landmark points relative to the first and second six-view reference planes, respectively, comprises:
and respectively corresponding the positions of the first six-view datum plane and the second six-view datum plane to the positions of the marking points, taking the skull three-dimensional model in the first skeleton three-dimensional model as a datum, and combining the data except the skull in the first skeleton three-dimensional model and the data except the skull in the second skeleton three-dimensional model to obtain the third skeleton three-dimensional model.
8. A modeling apparatus for a human body model, wherein a first human body model is obtained for a human body by spiral CT, and a second human body model is obtained for the same human body by nuclear magnetic resonance, wherein the first human body model includes a first three-dimensional skeleton model, a first brain model, a first nerve model, a first blood vessel model, a first muscle model and a first internal organ model, and the second human body model includes a second three-dimensional skeleton model, a second brain model, a second nerve model, a second blood vessel model, a second muscle model and a second internal organ model, the apparatus comprising:
the first datum establishing module is used for establishing a first six-view datum plane according to a skull three-dimensional model in the first skeleton three-dimensional model;
the second reference establishing module is used for establishing a second six-view reference plane according to the skull three-dimensional model in the second skeleton three-dimensional model;
the first data fusion module fuses the data of the first skeleton three-dimensional model and the data of the second skeleton three-dimensional model through the positions of the mark points relative to the first six-view datum plane and the second six-view datum plane respectively so as to obtain a third skeleton three-dimensional model;
a second data fusion module for fusing any one of the first brain model and the second brain model, any one of the first nerve model and the second nerve model, any one of the first blood vessel model and the second blood vessel model, any one of the first muscle model and the second muscle model, and any one of the first internal organ model and the second internal organ model with the third three-dimensional bone model as a reference to obtain a third human body model.
9. A storage medium on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out a method of modelling a manikin as claimed in any one of claims 1 to 7.
10. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement a method of modelling a human model as claimed in any one of claims 1 to 7.
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| PCT/CN2021/118041 WO2022089058A1 (en) | 2020-10-30 | 2021-09-13 | Modeling method and apparatus for human body model, storage medium and electronic device |
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| WO2022089054A1 (en) * | 2020-10-30 | 2022-05-05 | 李艳 | Method and apparatus for establishing skull model, storage medium, and electronic device |
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| WO2022089058A1 (en) * | 2020-10-30 | 2022-05-05 | 李艳 | Modeling method and apparatus for human body model, storage medium and electronic device |
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