Method for constructing medical diagnosis auricular point model based on three-dimensional point cloud

Abstract

The invention relates to a method for constructing a medical diagnosis auricular point model based on three-dimensional point cloud, and the method comprises the steps: obtaining ear three-dimensional point cloud data of a clinical patient through scanning, and constructing a corresponding ear three-dimensional model based on a three-dimensional reconstruction technology; performing feature processing on the ear three-dimensional model to obtain an auricular point application model and storing the auricular point application model in an HIS system; the auricular point application model is placed in a preset three-dimensional coordinate system, the three-dimensional coordinate where the target auricular point is located is recognized, and the three-dimensional coordinate of the target auricular point and attributes of the three-dimensional coordinate of the target auricular point are stored in an HIS system. An actual clinical ear application model can be constructed based on ear three-dimensional point cloud data of a patient, registration correction is performed on an actual ear model of the patient in combination with a standard model, and feature retention is performed on key auricular point parts. A doctor can carry out positioning treatment on the actual auricular point part of a patient, and the doctor can position the needed target auricular point through the attribute of the auricular point, so that the difficulty of searching the auricular point is reduced, and the diagnosis efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of model construction, and in particular to a method, system and electronic device for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud. Background Art

[0002] Ear points are acupuncture points distributed on the auricle. They are also called reaction points or stimulation points. When the internal organs or body of the human body are diseased, local reactions often occur in certain parts of the auricle, such as tenderness, nodules, discoloration, conductivity, etc. This phenomenon can be used as a reference for diagnosing diseases, or stimulating these reaction points (ear points) to prevent and treat diseases.

[0003] The ear is closely related to the internal organs and meridians. Each internal organ has a corresponding reaction area (ear acupoint) on the auricle. Stimulating the ear acupoints has a certain regulating effect on the corresponding internal organs. The main methods of stimulating the ear acupoints are: acupuncture, buried needles, bloodletting, ear acupoint sticking, magnetic therapy, massage, etc. When a part of the human body is sick, it will be reflected in certain parts of the auricle. These parts are the stimulation points of ear acupuncture treatment, collectively called ear acupoints.

[0004] An ear model is a model used to demonstrate the structure, function or appearance of the ear. It can be a physical model or a virtual 3D model. The following are some detailed descriptions of the ear model: 1. Physical ear model Physical ear models are often used in medical education, anatomical research, hearing aid design and other fields. These models can intuitively show the external shape, internal structure and the relationship between the various parts of the ear. Through the physical model, students can understand the structure of the ear more clearly, and doctors can diagnose ear-related diseases more accurately. Physical ear models usually include the following parts: External Ear: Shows the shape of the auricle (what we usually call "ear") and the external auditory canal, which is the passage for sound to enter the middle ear.

[0005] Middle ear: includes structures such as the eardrum, ossicles (malleus, incus, stapes) and Eustachian tube. The eardrum is a thin membrane that separates the outer ear from the middle ear, and the ossicles are responsible for transmitting sound from the eardrum to the inner ear. The Eustachian tube connects the middle ear and pharynx and plays a role in regulating the air pressure in the middle ear.

[0006] Inner ear: It is mainly composed of the bony labyrinth and the membranous labyrinth. The bony labyrinth includes structures such as the vestibule, semicircular canals and cochlea. The cochlea is the main part of the inner ear and is responsible for converting sound signals into nerve signals and transmitting them to the brain for recognition.

[0007] 2. Virtual 3D ear model With the development of computer technology, virtual 3D ear models have been widely used in medical education, surgical simulation, product design, etc. These models can present an appearance and internal structure that is almost consistent with the real ear through high-precision scanning and modeling technology.

[0008] The virtual 3D ear model has the following advantages: Highly realistic: Through high-precision scanning and modeling technology, the subtle structure and texture of the ear can be presented.

[0009] Strong interactivity: Users can use tools such as mouse, keyboard or VR devices to rotate, scale, slice and other operations on the model to gain a deeper understanding of the structure and function of the ear.

[0010] Easy to share and disseminate: Virtual 3D models can be easily transmitted and shared through the Internet, allowing more people to access these resources.

[0011] In clinical otolaryngology outpatient examinations, factors such as the patient's body shape and ear disease may cause the ear model to be different from the standard medical model used clinically. This may result in the doctor being unable to correctly identify the patient's ear findings, especially the key ear points, and therefore unable to correctly implement ear point positioning treatment for such patients.

[0012] In addition, when searching for ear acupoints, clinicians need to have rich experience in searching for acupoints, which requires doctors to have a higher level of professionalism and clinical experience. However, doctors in the industry generally lack experience, so it takes time to search for acupoints, which reduces diagnostic efficiency. Summary of the invention

[0013] In order to solve the above problems, the present application proposes a method, system and electronic device for constructing a medical diagnostic ear acupoint model based on three-dimensional point cloud.

[0014] On the one hand, the present application proposes a method for constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud, comprising the following steps: S1. Scan and obtain the three-dimensional point cloud data of the clinical patient's ear and save it to the HIS system; S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology; S3, performing feature processing on the three-dimensional ear model to obtain an ear acupoint application model and save it to the HIS system; S4. Place the ear point application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear point, and save the three-dimensional coordinates of the target ear point and its attributes in the HIS system.

[0015] As an optional implementation scheme of the present application, optionally, the following steps are also included: S5. Obtain the clinic patient's visit ID; Read the medical record file bound to the medical ID from the HIS system, extract the ear acupoint application model of the clinical patient from it, and display it on the front display screen; Input the attributes of the target auricular point, and automatically match the three-dimensional coordinates of the target auricular point according to the attributes; The system automatically locates the target auricular point on the auricular point application model according to the three-dimensional coordinates of the target auricular point.

[0016] As an optional implementation scheme of the present application, optionally, S3, performing feature processing on the three-dimensional ear model, comprises: S300: Smoothing the model part where the target ear point is located, and marking the model part where the target ear point is located with features.

[0017] As an optional implementation scheme of the present application, optionally, S3, performing feature processing on the three-dimensional ear model, comprises: S311, reading a standard ear model commonly used in medicine, and placing the standard ear model and the three-dimensional ear model in the same three-dimensional space; Based on the standard ear model, model registration and posture calibration are performed on other model parts except the target ear point.

[0018] As an optional implementation scheme of the present application, optionally, S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology, including: According to a preset ear point cloud preprocessing condition, the ear three-dimensional point cloud data is preprocessed; Converting the preprocessed three-dimensional point cloud data of the ear into a continuous grid structure, and preliminarily constructing a three-dimensional contour of the three-dimensional model of the ear; The three-dimensional contour surface of the three-dimensional ear model is smoothed to generate the three-dimensional ear model, and the model is saved in the HIS system.

[0019] On the other hand, the present application proposes an ear acupoint diagnosis system, which is implemented based on the method of constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud, and includes: 3D scanning equipment, used to scan and obtain 3D point cloud data of clinical patients' ears and upload it to the backend server; Backend server, including: Data port, used for data transmission; A three-dimensional modeling system is used to perform point cloud processing on the three-dimensional point cloud data of the ear, and construct a corresponding three-dimensional ear model based on a three-dimensional reconstruction technology; and perform feature processing on the three-dimensional ear model to obtain an ear acupoint application model; and place the ear acupoint application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear acupoint, and save the three-dimensional coordinates of the target ear acupoint and its attributes in the HIS system; HIS system, used to store clinical patient medical records and application data of ear models; The three-dimensional acupuncture point search system is used to obtain the clinic patient's medical ID; read the medical record file bound to the medical ID from the HIS system, extract the ear acupuncture point application model of the clinical patient from it, and send it to the front end; The front end is used to display the ear point application model on a display screen; and automatically match and obtain the three-dimensional coordinates of the target ear point according to the input attributes of the target ear point; and automatically locate the target ear point on the ear point application model according to the three-dimensional coordinates of the target ear point; The data port, the three-dimensional modeling system, the HIS system and the three-dimensional cave search system are all deployed on the background server; The three-dimensional scanning device and the front end are respectively connected to the backend server for communication.

[0020] In another aspect, the present application further provides an electronic device, comprising: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to implement the method of constructing a medical diagnostic ear acupoint model based on a three-dimensional point cloud when executing the executable instructions.

[0021] Technical effects of the present invention: This application obtains the three-dimensional point cloud data of the ear of a clinical patient by scanning and saves it to the HIS system; performs point cloud processing on the three-dimensional point cloud data of the ear, and constructs a corresponding three-dimensional model of the ear based on three-dimensional reconstruction technology; performs feature processing on the three-dimensional model of the ear, obtains an ear acupoint application model and saves it to the HIS system; places the ear acupoint application model in a preset three-dimensional coordinate system, identifies the three-dimensional coordinates of the target ear acupoint, and saves the three-dimensional coordinates of the target ear acupoint and its attributes to the HIS system. Based on the three-dimensional point cloud data of the patient's ear, an actual clinical ear application model can be constructed, and the target ear acupoint on the ear acupoint application model can be used for three-dimensional coordinate positioning to help doctors find the ear acupoints that need to be located for diagnosis. The model can be combined with the standard model to perform registration and correction on the actual ear model of the patient, and the features of the key ear acupoints can be retained. Therefore, doctors can perform positioning treatment on the actual ear acupoints of the patient, and combined with three-dimensional reconstruction and acupoint finding technology, doctors can locate the required target ear acupoints by the attributes of the ear acupoints, thereby reducing the difficulty of acupoint finding and improving diagnostic efficiency.

[0022] Further features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.

[0024] Figure 1 It is shown as a schematic diagram of the implementation process of the present invention; Figure 2 It is shown as a schematic diagram of the application system composition of the present invention; Figure 3 A schematic diagram of a three-dimensional ear model of the present invention is shown; Figure 4 Shown is a schematic diagram of marking the target auricular acupoints of the present invention; Figure 5 It is a schematic diagram showing the application of the electronic device of the present invention. DETAILED DESCRIPTION

[0025] Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0026] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0027] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present disclosure can also be implemented without certain specific details. In some examples, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the main purpose of the present disclosure. Example 1

[0028] like Figure 1 As shown, on the one hand, the present application proposes a method for constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud, comprising the following steps: S1. Scan and obtain the three-dimensional point cloud data of the clinical patient's ear and save it to the HIS system; S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology; S3, performing feature processing on the three-dimensional ear model to obtain an ear acupoint application model and save it to the HIS system; S4. Place the ear point application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear point, and save the three-dimensional coordinates of the target ear point and its attributes in the HIS system.

[0029] Combined with Figure 2 The application system shown in the figure, the present invention uses a 3D scanning device, such as a point cloud camera, etc., to perform a 3D scan on the ear of the current clinical patient, thereby obtaining the 3D point cloud data of the ear contour surface and uploading it to the backend server and saving it in the HIS system. All the data used by the clinical patient or the 3D point cloud processing data and model data are saved by the HIS system and bound to the clinical patient's consultation ID, so as to facilitate the management of the diagnosis data of the ear patient.

[0030] After scanning the 3D point cloud data, the point cloud data is processed based on the 3D reconstruction technology to perform 3D modeling. For details, please refer to the 3D reconstruction technology.

[0031] The 3D modeling system in this solution can be implemented by 3D simulation software or other 3D modeling software. The specific deployment and 3D modeling method are not described in detail in this embodiment, and the administrator configures the corresponding 3D software according to habits or diagnostic requirements.

[0032] There are many types of 3D modeling software, which can be divided into several categories, one of which is particularly suitable for 3D modeling based on 3D point cloud data. These software can create accurate 3D models by processing and analyzing point cloud data.

[0033] Among 3D modeling software, some are particularly good at processing 3D point cloud data. Such software usually has powerful data processing capabilities and can efficiently convert point cloud data into 3D models. These software are widely used in reverse engineering, cultural relics protection, virtual reality and other fields.

[0034] Software for 3D modeling based on 3D point clouds includes but is not limited to the following: Cyclone: ​​Professional data processing software developed by Leica for use with Leica 3D laser scanning systems. Cyclone is powerful enough to complete the entire processing process from raw point cloud data to 3D models.

[0035] Geomagic Studio: This is also a software commonly used for point cloud data processing and 3D modeling. It provides a rich tool set, supports the import and export of multiple data formats, and can generate high-quality 3D models.

[0036] Bentley ContextCapture: This software automatically generates detailed 3D reality models from simple photos and / or point clouds. It supports a variety of input data sources, including digital cameras, smartphones, laser scanners, and drones, and has high compatibility and accuracy.

[0037] Bentley Pointools: This is software for editing point clouds and creating point cloud deliverables. It provides a high-performance point cloud engine and layer-based editing capabilities to help users quickly process point cloud data and generate the required 3D models.

[0038] In addition to the above software, there are many other software for 3D modeling based on 3D point clouds. These software usually have different features and advantages, and users can choose the appropriate software according to their specific needs and project requirements.

[0039] When choosing 3D modeling software, users should consider factors such as the software's ease of use, data processing capabilities, model quality, supported file formats, and compatibility with other software. At the same time, users can also refer to information such as professional reviews and user reviews to make a more informed choice.

[0040] After obtaining the ear model through modeling in the plan, the administrator can determine the target ear points (clinical acupuncture points) that need to be treated for the clinical patient's condition based on the current clinical patient's condition and diagnosis results. The location of the target ear points is marked on the ear point application model, and the corresponding ear point attributes are written, and a dedicated target ear point diagnosis plan is generated for the clinical patient.

[0041] Because different clinical patients need different auricular acupoints for diagnosis and treatment, such as acupuncture or massage, etc. Therefore, it is necessary to determine the target auricular acupoints that clinical patients need to involve in combination with the clinical patient's condition (the clinical patient's case files can be read from the HIS system), and the administrator should mark the three-dimensional coordinates and attributes of the target auricular acupoints on the three-dimensional application model in advance, and save the three-dimensional coordinates and attributes of these target auricular acupoints in the HIS system. The subsequent doctors can read the patient's medical records to locate the acupoints according to the target acupoints determined in the early stage, find the corresponding auricular acupoints according to the attributes (the front end can display the target auricular acupoints on the three-dimensional model in three-dimensional space), and perform targeted treatment or diagnosis operations.

[0042] like Figure 3 The figure shows a schematic diagram of a 3D ear model constructed based on a 3D point cloud. There are some edge point cloud data in the 3D point cloud, so corona preprocessing is generally performed, such as deburring. 1. When scanning, you need to ensure that the scanning environment has moderate lighting, no obstructions, and the scanned object remains still to obtain accurate and complete point cloud data.

[0043] 2. Next is the point cloud processing stage. Since the directly collected point cloud data often contains noise, redundant points, discontinuities and other problems, a series of processing operations are required. This includes filtering denoising, that is, using appropriate filtering algorithms to remove noise points in the point cloud; point cloud simplification, reducing redundant points in the point cloud through downsampling and other methods to improve processing efficiency; and point cloud segmentation, dividing the point cloud into multiple meaningful areas for subsequent processing. In addition, pre-processing before point cloud registration may also be required, such as coordinate transformation, point cloud alignment, etc., to ensure that point cloud data collected from different perspectives or at different times can correspond correctly.

[0044] 3. Smoothing, feature extraction, posture calibration and other steps of the point cloud model. Smoothing can eliminate noise and burrs in the point cloud; feature extraction can help identify key structures and parts in the ear acupoint model; posture calibration adjusts the model's rotation, translation, and scaling parameters to make it more consistent with the shape and position of the real ear.

[0045] like Figure 4 As shown, in the three-dimensional coordinate system, the three-dimensional coordinates and attributes of the target ear acupoints can be marked and written into the patient's medical record file in the HIS system, so as to facilitate reading the patient's file and finding the corresponding ear acupoints according to the patient's visit ID.

[0046] The target acupoints, such as the Ermen acupoint, can be determined by the doctor based on clinical diagnosis. For example: There are many acupuncture points on the ear, each with its own unique function and therapeutic effect. The following is a detailed description of the functions of some ear acupuncture points: 1. Ermen acupoint: Located in the ear area, in the depression between the notch above the tragus and the condyle of the mandible. This acupoint belongs to the Shaoyang Triple Burner Meridian of the Hand. Its main functions include improving hearing, dispelling wind and clearing away heat. It is often used to treat ear diseases such as deafness and tinnitus. It also helps relieve toothache and neck and jaw pain. When locating the acupoint, you usually need to sit upright or lie prone with your mouth slightly open to find the acupoint more accurately.

[0047] 2. Tinggong acupoint: Located on the face, in the depression between the middle of the tragus and the mandibular condyle. Tinggong acupoint belongs to the hand-sun small intestine meridian and has the effects of improving hearing, calming the mind, and relieving pain. It is often used to treat diseases such as tinnitus and deafness, and also has a certain effect on relieving toothache. When selecting the acupoint, you also need to open your mouth slightly to facilitate treatment through acupuncture, moxa cone moxibustion or moxa stick moxibustion.

[0048] 3. Tinghui acupoint: Located in the depression between the intertragus notch and the mandibular condyle, it belongs to the foot Shaoyang Gallbladder Meridian. The functions of Tinghui acupoint include improving hearing, calming wind and clearing heat, and dredging meridians to relieve pain. It can not only treat tinnitus and deafness, but also has a certain effect on symptoms such as toothache, facial paralysis, and facial pain. When selecting the acupoint, it is generally chosen to sit upright and lean back for better positioning and operation.

[0049] 4. Tianhai Point (Note: This point may not be common in traditional Chinese medicine acupuncture points, but according to the information provided, it is located on the ear and has a specific function): This point may mainly stimulate acupuncture points and dredge meridians, which helps to improve symptoms such as tinnitus. However, since it is not a common name among the classic acupuncture points in Chinese medicine, it may be a special name in a specific therapy or school.

[0050] 5. Tianchong Point (again, this point may not be common in standard TCM acupuncture points): This point is said to have the effect of dredging meridians and promoting blood circulation and removing blood stasis, but the specific location and efficacy may vary among different literatures or schools.

[0051] As an optional implementation scheme of the present application, optionally, the following steps are also included: S5. Obtain the clinic patient's visit ID; Read the medical record file bound to the medical ID from the HIS system, extract the ear acupoint application model of the clinical patient from it, and display it on the front display screen; Input the attributes of the target auricular point, and automatically match the three-dimensional coordinates of the target auricular point according to the attributes; The system automatically locates the target auricular point on the auricular point application model according to the three-dimensional coordinates of the target auricular point.

[0052] Doctors can log in to the backend server through the PC, enter the three-dimensional acupuncture point search system, log in to the HIS system to view the patient's medical records, and locate the target acupuncture points required for treatment. The corresponding acupuncture point attributes can be entered to find its spatial coordinates and display the target acupuncture point location in three-dimensional space. The location of the target acupuncture point can be quickly displayed to the doctor on the front-end display, and the acupuncture point can be quickly located and entered for acupuncture treatment.

[0053] For the three-dimensional coordinate system or three-dimensional space in the three-dimensional modeling system, the three-dimensional model can be calibrated and corrected according to the system's default three-dimensional space. The coordinates of each point cloud of the three-dimensional model in the three-dimensional coordinate system and the coordinates of the target ear acupoints can be identified and output by the three-dimensional software. Therefore, the three-dimensional coordinates of the target ear acupoints required for clinical patient diagnosis and treatment can be directly determined according to their properties, such as name or function, etc., and the target ear acupoints can be located in the three-dimensional space, showing the location of the target ear acupoints of clinical patients to doctors, allowing them to quickly find the location of the ear acupoints required for treatment of the disease, thereby improving the efficiency of diagnosis and treatment.

[0054] As an optional implementation scheme of the present application, optionally, S3, performing feature processing on the three-dimensional ear model, comprises: S300: Smoothing the model part where the target ear point is located, and marking the model part where the target ear point is located with features.

[0055] On the three-dimensional model, the model parts where the target ear points are located are smoothed and marked, so that the model parts where these target ear points are located can be displayed almost according to the actual ear structure of the patient, avoiding the displacement of the target ear points after the model parts where the target ear points are located are calibrated according to the standard ear model in the later stage, and the positions of the target ear points are different from the actual positions of the patient's ear points. Therefore, the model parts where the target ear points are located are smoothed and feature marked (for example, the model parts where the area 3-5mm around the center of the target ear point is color marked) to highlight the location of the target ear points and quickly locate them. This part of the marked parts does not participate in the registration and correction of the model, restores the actual ear results of the patient, and avoids deviations in the acupoint positions.

[0056] As an optional implementation scheme of the present application, optionally, S3, performing feature processing on the three-dimensional ear model, comprises: S311, reading a standard ear model commonly used in medicine, and placing the standard ear model and the three-dimensional ear model in the same three-dimensional space; Based on the standard ear model, model registration and posture calibration are performed on other model parts except the target ear point.

[0057] For the contours of other parts, registration and correction are performed, and adjustments can be made with reference to the standard ear model to facilitate correction of the external structure and shape of the patient's three-dimensional ear model, making its contour surface beautiful and convenient for reference.

[0058] Model registration stage. In practical applications, it may be necessary to compare and analyze the patient's current ear model with the previous model or standard model, so model registration is required. The purpose of registration is to find the best transformation relationship (including rotation, translation, etc.) between the two models so that they can be aligned in space. There are many registration algorithms, such as the iterative closest point (ICP) algorithm, feature point matching algorithm, etc. These algorithms continuously iterate and optimize to achieve the best matching state for the corresponding points between different point clouds.

[0059] During the registration process, it is necessary to ensure the accuracy and robustness of the algorithm to avoid misregistration or insufficient registration accuracy.

[0060] As an optional implementation scheme of the present application, optionally, S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology, including: According to a preset ear point cloud preprocessing condition, the ear three-dimensional point cloud data is preprocessed; Converting the preprocessed three-dimensional point cloud data of the ear into a continuous grid structure, and preliminarily constructing a three-dimensional contour of the three-dimensional model of the ear; The three-dimensional contour surface of the three-dimensional ear model is smoothed to generate the three-dimensional ear model, and the model is saved in the HIS system.

[0061] In the model building stage, the main task is to convert the processed point cloud data into an ear acupoint model that can be used for medical diagnosis. This usually involves mesh modeling, which is to convert the point cloud data into a continuous mesh structure, such as a triangular mesh or a quadrilateral mesh. There are many algorithms for mesh modeling, such as moving least squares, Poisson reconstruction, etc., which can generate a smooth and continuous mesh model based on point cloud data. During the construction process, the model also needs to be fine-tuned based on medical knowledge to ensure the accuracy of the ear acupoint location and the practicality of the model.

[0062] When the point cloud data used in modeling is imported into 3D space, the 3D coordinate marking of the point cloud usually involves specifying the precise X, Y, and Z coordinate values ​​for each point in 3D space. These coordinate values ​​represent the specific position of the point in 3D space. These coordinate values ​​are crucial when processing point clouds because they provide the basis for subsequent modeling, measurement, analysis, and other operations.

[0063] Point cloud data is usually stored in the form of files, such as PLY, PCD, LAS and other formats, which contain the 3D coordinate information of each point. When the point cloud file is opened in the visualization software, the software will render each point in the 3D space according to the coordinate information in the file, thus presenting the 3D form of the object or scene.

[0064] When marking the 3D coordinates of a point cloud, you usually need to use professional point cloud processing software or 3D modeling software. These software provide a wealth of tools and functions to help users easily import, display, edit, analyze and export point clouds. Users can use the interactive tools on the software interface to select and mark specific points in the point cloud and view their 3D coordinate values.

[0065] The above operations can be performed by the administrator in terms of format and process according to the services supported by the 3D software.

[0066] Obviously, those skilled in the art should understand that the implementation of all or part of the processes in the above-mentioned embodiments can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the above-mentioned embodiments. Those skilled in the art can understand that the implementation of all or part of the processes in the above-mentioned embodiments can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the above-mentioned embodiments. Among them, the storage medium can be a disk, an optical disk, a read-only memory (ROM), a random access memory (RAM), a flash memory (Flash Memory), a hard disk (Hard Disk Drive, abbreviated as: HDD) or a solid-state drive (SSD), etc.; the storage medium can also include a combination of the above-mentioned types of memory. Example 2

[0067] As attached Figure 2 As shown, based on the implementation principle of Example 1, on the other hand, the present application proposes an ear acupoint diagnosis system, which is implemented based on the method of constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud, including: 3D scanning equipment, used to scan and obtain 3D point cloud data of clinical patients' ears and upload it to the backend server; Backend server, including: Data port, used for data transmission; A three-dimensional modeling system is used to perform point cloud processing on the three-dimensional point cloud data of the ear, and construct a corresponding three-dimensional ear model based on a three-dimensional reconstruction technology; and perform feature processing on the three-dimensional ear model to obtain an ear acupoint application model; and place the ear acupoint application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear acupoint, and save the three-dimensional coordinates of the target ear acupoint and its attributes in the HIS system; HIS system, used to store clinical patient medical records and application data of ear models; The three-dimensional acupuncture point search system is used to obtain the clinic patient's medical ID; read the medical record file bound to the medical ID from the HIS system, extract the ear acupuncture point application model of the clinical patient from it, and send it to the front end; The front end is used to display the ear point application model on a display screen; and automatically match and obtain the three-dimensional coordinates of the target ear point according to the input attributes of the target ear point; and automatically locate the target ear point on the ear point application model according to the three-dimensional coordinates of the target ear point; The data port, the three-dimensional modeling system, the HIS system and the three-dimensional cave search system are all deployed on the background server; The three-dimensional scanning device and the front end are respectively connected to the backend server for communication.

[0068] The modules or steps of the present invention described above can be implemented by a general-purpose computing system, they can be concentrated on a single computing system, or distributed on a network composed of multiple computing systems, and optionally, they can be implemented by a program code executable by a computing system, so that they can be stored in a storage system and executed by the computing system, or they can be made into individual integrated circuit modules, or multiple modules or steps therein can be made into a single integrated circuit module for implementation. Thus, the present invention is not limited to any specific combination of hardware and software. Example 3

[0069] like Figure 5 As shown, further, in another aspect, the present application also proposes an electronic device, including: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to implement a method for constructing a medical diagnostic ear acupoint model based on a three-dimensional point cloud as described in Example 2 when executing the executable instructions.

[0070] The electronic device of the embodiment of the present disclosure includes a processor and a memory for storing processor executable instructions. The processor is configured to implement the method of constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud as described in the above embodiment 2 when executing the executable instructions.

[0071] Here, it should be noted that the number of processors can be one or more. At the same time, the electronic device of the embodiment of the present disclosure may also include an input system and an output system. Among them, the processor, memory, input system and output system may be connected through a bus or in other ways, which are not specifically limited here.

[0072] The memory, as a computer-readable storage medium, can be used to store software programs, computer executable programs and various modules, such as the program or module corresponding to the method for constructing a medical diagnosis ear acupoint model based on a three-dimensional point cloud in the embodiment of the present disclosure. The processor executes various functional applications and data processing of the electronic device by running the software programs or modules stored in the memory.

[0073] The input system can be used to receive input numbers or signals. The signal can be a key signal related to user settings and function control of the device / terminal / server. The output system can include display devices such as display screens.

[0074] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud, characterized in that: The steps include: S1. Scan and obtain the three-dimensional point cloud data of the clinical patient's ear and save it to the HIS system; S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology; S3, performing feature processing on the three-dimensional ear model to obtain an ear acupoint application model and save it to the HIS system; S4. Place the ear point application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear point, and save the three-dimensional coordinates of the target ear point and its attributes in the HIS system.

2. The method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud according to claim 1, characterized in that: The following steps are also included: S5. Obtain the clinic patient's visit ID; Read the medical record file bound to the medical ID from the HIS system, extract the ear acupoint application model of the clinical patient from it, and display it on the front display screen; Input the attributes of the target auricular point, and automatically match the three-dimensional coordinates of the target auricular point according to the attributes; The system automatically locates the target auricular point on the auricular point application model according to the three-dimensional coordinates of the target auricular point.

3. The method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud according to claim 1, characterized in that: S3, performing feature processing on the three-dimensional ear model, including: S300: Smoothing the model part where the target ear point is located, and marking the model part where the target ear point is located with features.

4. The method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud according to claim 3, characterized in that: S3, performing feature processing on the three-dimensional ear model, including: S311, reading a standard ear model commonly used in medicine, and placing the standard ear model and the three-dimensional ear model in the same three-dimensional space; Based on the standard ear model, model registration and posture calibration are performed on other model parts except the target ear point.

5. The method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud according to claim 1, characterized in that: S2, performing point cloud processing on the ear three-dimensional point cloud data, and constructing a corresponding ear three-dimensional model based on three-dimensional reconstruction technology, including: According to a preset ear point cloud preprocessing condition, the ear three-dimensional point cloud data is preprocessed; Converting the preprocessed three-dimensional point cloud data of the ear into a continuous grid structure, and preliminarily constructing a three-dimensional contour of the three-dimensional model of the ear; The three-dimensional contour surface of the three-dimensional ear model is smoothed to generate the three-dimensional ear model, and the model is saved in the HIS system.

6. An ear acupoint diagnosis system, implemented based on the method for constructing a medical diagnosis ear acupoint model based on three-dimensional point cloud according to any one of claims 1 to 5, characterized in that: include: 3D scanning equipment, used to scan and obtain 3D point cloud data of clinical patients' ears and upload it to the backend server; Backend server, including: Data port, used for data transmission; A three-dimensional modeling system is used to perform point cloud processing on the three-dimensional point cloud data of the ear, and construct a corresponding three-dimensional ear model based on a three-dimensional reconstruction technology; and perform feature processing on the three-dimensional ear model to obtain an ear acupoint application model; and place the ear acupoint application model in a preset three-dimensional coordinate system, identify the three-dimensional coordinates of the target ear acupoint, and save the three-dimensional coordinates of the target ear acupoint and its attributes in the HIS system; HIS system, used to store clinical patient medical records and application data of ear models; The three-dimensional acupuncture point search system is used to obtain the clinic patient's medical ID; read the medical record file bound to the medical ID from the HIS system, extract the ear acupuncture point application model of the clinical patient from it, and send it to the front end; The front end is used to display the ear point application model on a display screen; and automatically match and obtain the three-dimensional coordinates of the target ear point according to the input attributes of the target ear point; and automatically locate the target ear point on the ear point application model according to the three-dimensional coordinates of the target ear point; The data port, the three-dimensional modeling system, the HIS system and the three-dimensional cave search system are all deployed on the background server; The three-dimensional scanning device and the front end are respectively connected to the backend server for communication.

7. An electronic device, characterized in that: include: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to implement a method for constructing a medical diagnostic ear acupoint model based on a three-dimensional point cloud as described in any one of claims 1 to 5 when executing the executable instructions.

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