KR20200134371A - Method for planning implant surgery using HU information of CT device and medical image processing device for the same - Google Patents

Abstract

Disclosed are a method for establishing an implant surgery plan using HU information for each CT device, and a medical image processing device therefor. According to an embodiment, the method includes the steps of: configuring an HU library in which HU information is recorded for each CT device; recognizing the CT equipment of CT data by acquiring CT equipment information from photographed CT data; and providing a CT image by confirming HU information corresponding to the CT equipment recognized in the HU library, and reflecting the confirmed HU information to the CT data.

Description

{Method for planning implant surgery using HU information of CT device and medical image processing device for the same}

The present invention relates to a medical image processing technology including a guide design technology for dental implant surgery.

In the implant surgery process using the program, after establishing an implant placement plan in consideration of the implant structure (crown, abutment, fixture, etc.) and the patient's anatomical structure on the software, implant surgery is performed.

In the process of designing a guide for dental implant surgery using a program, it is common to determine the position of the fixture to be placed in consideration of the relationship with the crown, adjacent teeth, and anatomical structures such as alveolar bone. Among these, the alveolar bone information is used as important information related to the success and failure of implant surgery as it affects the fixation force of the implant including the fixture.

Dental computed tomography (CT, hereinafter referred to as'CT') or CBCT (cone-beam CT) data is widely used in implant surgery planning as it provides accurate 2D or 3D information. The program provides 2D and 3D medical images based on Hounsfield Unit (HU, hereinafter referred to as'HU') information related to the density of CT data, so that users can easily set up and check surgery plans. To be.

According to an embodiment, when establishing an implant surgery plan, a method for establishing an implant surgery plan using HU information for each CT device and a medical image processing device for the same, in order to minimize user manipulation and to be able to more accurately establish and check the surgery plan. Suggest.

According to an embodiment, the steps of configuring a HU library in which HU information is recorded for each CT device, acquiring CT device information from the captured CT data to recognize the CT device of the CT data, and the CT device recognized in the HU library And checking HU information corresponding to and reflecting the confirmed HU information to CT data to provide a CT image.

In the step of configuring the HU library, a HU library recorded by matching each CT device for each CT device and HU information of each density region constituting the CT image may be configured in advance.

In the step of configuring the HU library, the HU library can be customized for each user by including HU information for each density area of the CT image, color information and transparency information for each density area that can be adjusted by the user. have.

The steps of configuring the HU library include configuring and providing a user interface for additional input of the HU library list, expanding the HU library according to user manipulation through the user interface, and deleting a predetermined library list from the HU library. It may include at least one of the steps of configuring and providing a user interface for, and reducing the HU library according to a user manipulation through the user interface.

In the step of recognizing CT equipment of CT data, CT equipment information is acquired from the tag information recorded in the captured CT data, and CT equipment is recognized from the acquired CT equipment information, and the tag information is modality, manufacturer ( Manufacturer) and product name (StationName) information can be included.

Providing the CT image includes checking whether the recognized CT equipment is recorded in the HU library, and initial setting of a predetermined density area for the confirmed CT equipment, or the density desired to be expressed as a CT image by the user. Including the step of selecting and inputting the region from the HU library, checking the HU information that matches the density region initially set in the HU library or selected by the user, and reflecting and loading the confirmed HU information on the CT image of the density region. can do.

The method of establishing an implant surgery plan includes the steps of configuring a HU library that records density information for each density area based on HU information for the alveolar bone area for each CT device, and checking the equipment information included in the tag information of the captured CT data. Recognizing the device and checking the density information for each density area of the HU library corresponding to the recognized device, and providing the verified density information in the form of a color map on the loaded alveolar bone area.

The method of establishing an implant surgery plan may further include loading a CT image based on HU information of CT data when the recognized CT equipment is not recorded in the HU library. Implant surgery planning method is, if the recognized CT equipment is not recorded in the HU library. It may further include adjusting HU information through the HU adjustment interface.

A medical image processing apparatus according to another embodiment comprises a storage unit in which a HU library in which HU information is recorded for each CT device is stored, a data acquisition unit that acquires photographed CT data, and a HU library from the acquired CT data. The control unit that composes the CT image by acquiring CT equipment information, recognizing the CT equipment of CT data, checking the HU information corresponding to the recognized CT equipment in the HU library stored in the storage unit, and reflecting the confirmed HU information to the CT data. , And an output unit that displays a CT image configured by the control unit.

The control unit may pre-configure a HU library recorded by matching each CT device and HU information of each density area constituting the CT image for each CT device, and store it in the storage unit.

The control unit can configure the HU library customized for each user and store it in the storage unit as the HU library includes HU information for each density area of the CT image, as well as color information and transparency information for each density area that can be adjusted by the user. have.

The control unit configures a user interface for additional input of the HU library list or deletes a predetermined library list from the HU library, displays it on the screen through the output unit, and expands or contracts the HU library according to a user operation through the user interface. have.

The control unit acquires CT equipment information from the tag information recorded in the captured CT data and recognizes the CT equipment from the obtained CT equipment information, and the tag information is information on the inspection method (Modality), manufacturer (Manufacturer) and product name (StationName). It may include.

The control unit checks whether the recognized CT equipment is recorded in the HU library, and initially sets a predetermined density area for the confirmed CT equipment, or when the user selects and inputs the density area to be expressed as a CT image from the HU library. , After checking HU information that matches the density area initially set in the HU library or selected by the user, the confirmed HU information may be reflected in the CT image of the density area and loaded.

The control unit composes a HU library that records density information for each density area based on HU information for the alveolar bone area for each CT device, stores it in the storage unit, and checks the device information included in the tag information of the captured CT data, After recognizing and checking the density information for each density area of the HU library corresponding to the recognized equipment, the confirmed density information may be reflected in the form of a color map on the loaded alveolar bone area and provided.

If the recognized CT equipment is not recorded in the HU library, the controller may load a CT image based on HU information of the CT data. The control unit, if the recognized CT equipment is not recorded in the HU library The HU adjustment interface is configured and displayed on the screen through the output unit, and HU information can be adjusted according to a user operation through the HU adjustment interface.

According to a method of establishing an implant surgery plan using HU information for each CT device and a medical image processing apparatus therefor according to an embodiment, a CT image is expressed or an implant structure is provided by providing a CT image by reflecting the standard information of HU for each CT device. In the process of utilizing information on anatomical structures such as bone and alveolar bones, user manipulation can be minimized by using pre-built libraries rather than user manipulation methods.

In addition, as a HU library that presents the standard information of HU for each CT device is provided, the image accuracy is improved by solving the problem that there is a difference in the HU information of the CT image for each CT device when there is no HU reference information. Even if the device has multiple devices, user confusion due to differences in HU information for each device can be prevented.

Furthermore, it is possible to provide alveolar bone information reflecting HU information for each CT device, so that the user can more accurately check the alveolar bone information and utilize the alveolar bone information to establish an implant surgery plan.

1 is a diagram showing a CT image loaded through a CT scan;
2 is a diagram showing an example of adjusting HU of a density area by a user;
3 is a diagram showing the configuration of a medical image processing apparatus according to an embodiment of the present invention;
4 is a diagram showing a HU library constructed according to an embodiment of the present invention;
5 is a diagram showing tag information of CT data according to an embodiment of the present invention;
6 is a view showing an alveolar bone region represented by a color map based on density information of a density region according to HU information according to an embodiment of the present invention;
7 is a diagram illustrating a flow of a method for establishing an implant surgery plan using HU information for each CT device according to an embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

In describing embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted, and terms to be described later are in the embodiments of the present invention. These terms are defined in consideration of the function of the user and may vary according to the intention or custom of users or operators. Therefore, the definition should be made based on the contents throughout this specification.

Combinations of each block in the attached block diagram and each step in the flowchart may be executed by computer program instructions (execution engines), and these computer program instructions are provided on a processor of a general purpose computer, special purpose computer or other programmable data processing device. As it may be mounted, its instructions executed by the processor of a computer or other programmable data processing device generate means for performing the functions described in each block of the block diagram or each step of the flowchart.

These computer program instructions may also be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing device to implement a function in a particular way, so that the computer usable or computer readable memory It is also possible to produce an article of manufacture containing instruction means for performing the functions described in each block of the block diagram or each step of the flow chart.

In addition, since computer program instructions can be mounted on a computer or other programmable data processing device, a series of operation steps are performed on a computer or other programmable data processing device to create a computer-executable process. It is also possible for the instructions to perform the data processing apparatus to provide steps for executing the functions described in each block of the block diagram and each step of the flowchart.

In addition, each block or each step may represent a module, segment, or part of code containing one or more executable instructions for executing specified logical functions, and in some alternative embodiments mentioned in the blocks or steps. It should be noted that it is also possible for functions to occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially simultaneously, and the blocks or steps may be performed in the reverse order of a corresponding function as necessary.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments of the present invention exemplified below may be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. Embodiments of the present invention are provided to more completely describe the present invention to those of ordinary skill in the art.

1 is a diagram illustrating a CT image loaded through a CT scan.

In the process of acquiring the CT data captured by the program and loading it as a CT image on the screen, the loaded CT image is a Hounsfield Unit (HU) in a predetermined density region as shown in FIG. ') is displayed using information. For this, a CT image is loaded based on HU information of the selected density region of CT data by selecting a predetermined density region in the program or initially set. The loaded CT image may be in a 2D form as well as a 3D form such as the 3D volume image of FIG. 1. However, since the CT image loaded in this manner does not have the reference information of HU, there is a difference in HU information of the CT image for each CT device. Due to the difference in HU information for each CT device, the image of the CT data provided by the program may be inaccurate, and if you have multiple devices, there may be differences in HU information for each device, which may lead to user confusion.

2 is a diagram showing an example of adjusting HU of a density area by a user.

Referring to FIG. 2, a user using a HU adjustment interface 3 such as a box or bar that adjusts HU information of a corresponding density area targeting a density area that is initially set or is arbitrarily defined in the program. Can directly adjust the HU information. Alternatively, the HU can be adjusted by changing the HU value of the density area directly by the user.

Hereinafter, as a CT image is provided by reflecting the standard information of HU for each CT device with reference to the drawings to be described later, it is not a user manipulation method in the process of expressing a CT image or utilizing information on anatomical structures such as implant structures and alveolar bones. A method of establishing an implant surgery plan using HU information for each CT device that can minimize user manipulation and increase accuracy using a pre-built library, and a medical image processing device for this will be described later.

3 is a diagram showing a configuration of a medical image processing apparatus according to an embodiment of the present invention.

The medical image processing apparatus 1 is an electronic device capable of executing a medical image processing program such as a guide design program for dental implant surgery. Electronic devices include computers, notebook computers, laptop computers, tablet PCs, smartphones, mobile phones, personal media players (PMPs), personal digital assistants (PDAs), and the like. Medical image processing programs include scan programs, CAD programs, etc. in addition to guide design programs. In addition, it can be applied to programs for general medical image processing other than for dental implant surgery. Hereinafter, for convenience of explanation, a guide design program for dental implant surgery will be described as an example, but if image processing is possible, the same can be applied to other programs.

The image processing process using the program includes registration of surgical patients, acquisition of CT data and oral model data of the registered patient, registration of CT data and oral model data, generation of arch lines from the matched image data, and panoramic images using arch lines ( It consists of a process including creation of panoramic image), determining the position and size of the crown model from the patient's oral model data, positioning the implant structure including the fixture from the patient's CT data, designing the guide shape, and outputting the final guide. The present invention provides a CT image using HU information optimized for each CT device in the process of determining the position of an implant structure including a fixture in the above process, and is further configured to confirm the anatomical structure including the alveolar bone.

Hereinafter, a configuration of a medical image processing apparatus having the above-described characteristics will be described with reference to the configuration of FIG. 3.

3, a medical image processing apparatus 1 according to an embodiment includes a data acquisition unit 10, a storage unit 12, a control unit 14, an input unit 16, and an output unit 18. .

The data acquisition unit 10 acquires basic image data of a patient. The basic image data includes X-ray data, CT data, and oral model data. The data acquisition unit 10 may execute basic image data in a program or load data stored in a web page and a server. CT data, oral model data, etc. may be required as basic data for implant placement. In particular, CT data can be obtained by generating a patient's head tomography images using computed tomography (CT), segmenting the boundary of the tooth from each tomography image, and then combining them into one. . The obtained oral model data and CT data may be stored in the storage unit 12.

The storage unit 12 stores information necessary for performing an operation of the medical image processing apparatus 1 and information generated according to the operation, and provides information upon request of the control unit 14. For example, the storage unit 12 stores a HU library in which HU information is recorded for each CT device. The HU library is recorded by matching the HU information of each CT device and each density region constituting the CT image for each CT device. CT equipment is classified by manufacturer and product name.

The controller 14 generates placement design information including the placement position and direction of the virtual implant structure from the image data, and designs and provides a guide shape. In this case, the controller 14 may perform a simulation of placing a virtual implant structure object in the image data. The image data includes multidimensional images such as 2D and 3D showing the patient's tooth arrangement created for implant placement planning design. For example, various types of images are used, such as basic image data acquired through the data acquisition unit 10, panoramic image data, image data generated through reconstruction, and matching data obtained by matching a plurality of images. Can be.

The control unit 14 according to an embodiment configures the HU library stored in the storage unit 12. And, by acquiring CT equipment information from the obtained CT data, the CT equipment of the CT data is recognized, and the HU information corresponding to the CT equipment recognized in the HU library stored in the storage unit 12 is checked, and the confirmed HU information is added to the CT data. Reflect and compose a CT image.

According to an embodiment, the controller 14 may pre-configure a HU library recorded by matching each CT device and HU information of each density area constituting a CT image for each CT device, and store it in the storage unit 12. Furthermore, the control unit 14 configures and stores the HU library customized for each user as the HU library includes HU information for each density area of the CT image, as well as color information and transparency information for each density area that can be adjusted by the user. Can be stored in the unit 12.

The control unit 14 according to an embodiment expands or contracts the HU library. For example, a user interface for additional input of a HU library list or deletion of a predetermined library list from the HU library is configured and displayed on the screen through the output unit 18, and user manipulation of the input unit 16 through the user interface The HU library can be expanded or reduced according to.

The control unit 14 according to an embodiment acquires CT equipment information from tag information recorded in the captured CT data and recognizes the CT equipment from the acquired CT equipment information. At this time, the tag information includes information on a modality, a manufacturer, and a product name (StationName). Tag information of CT data will be described later with reference to FIG. 5.

The control unit 14 according to an embodiment checks whether the recognized CT equipment is recorded in the HU library. In addition, if a predetermined density area is initially set for the confirmed CT equipment, or the density area to be expressed as a CT image is selected and input from the HU library through the input unit 16 by the user, it is initially set in the HU library or by the user. After checking the HU information matching the selected density area, the confirmed HU information is reflected on the CT image of the density area and loaded. When the recognized CT equipment is not recorded in the HU library, the controller 14 may load a CT image based on HU information of the CT data. When the recognized CT equipment is not recorded in the HU library The HU adjustment interface may be configured and displayed on the screen through the output unit 18, and HU information may be adjusted according to a user manipulation of the input unit 16 through the HU adjustment interface.

The control unit 14 according to an embodiment configures a HU library in which density information for each density area is recorded based on HU information for an alveolar bone area for each CT device and stores it in the storage unit 12. Subsequently, when the CT equipment is recognized by checking the equipment information included in the tag information of the captured CT data, the density information for each density area of the HU library corresponding to the recognized equipment is checked. In addition, the confirmed density information is reflected in the form of a color map on the loaded alveolar bone area and provided. Accordingly, it is possible to provide alveolar bone information in which HU information is reflected for each CT device, so that the user can more accurately check the alveolar bone information and use the alveolar bone information to establish an implant surgery plan. An example of providing alveolar bone information in which HU information is reflected will be described later with reference to FIG. 6.

The output unit 18 displays a program screen including a CT image generated through the control unit 14 and an implantation simulation screen virtually placed on the CT image. The program screen may include a HU library screen for presetting user-customized HU information for each HU device. The input unit 16 receives a user manipulation signal. For example, a user operation for setting the HU library may be input.

4 is a diagram illustrating a HU library constructed according to an embodiment of the present invention.

Referring to FIG. 4, the medical image processing apparatus pre-configures and stores the HU library 4 recording HU information of each density area 44 for each CT device. In this case, HU information for each density area 44 of equipment actually used by the user may be recorded in the HU library 4. Equipment is classified according to Manufacture (40) and product (42). For example, the manufacturer of the equipment is Osstem Saigo, and the product is T1.

According to the CT image representation method using the preset HU library 4, the medical image processing apparatus checks whether the CT equipment recognized through the photographed CT data is recorded in the HU library. When it is confirmed, if the user selects the density area to be expressed as a CT image in the HU library (4), rather than a method in which the user manually corrects HU information (see Fig. 2), the medical image processing apparatus With reference to (4), the HU information matching the selected density area is checked, and the confirmed HU information is reflected on the CT image to load the CT image of the corresponding density area. Then, the user can check the loaded CT image. For example, as shown in FIG. 4, in the HU library 4 that stores HU information for each density area 44 for each device, the user defaults to a predetermined density area'Skull_01' item 440. ), the initial 3D image generated by loading CT data captured by Osstem's T1 device reflects and displays HU information matching the density area'Skull_01' 440. If the user wants to view the Airway area, if the user activates the HU library 4 and selects the density area'Airway_01' (442), the medical image processing device displays HU information matching the density area'Airway_01' (442). The confirmed HU information is reflected and displayed on the loaded CT image.

5 is a diagram illustrating tag information of CT data according to an embodiment of the present invention.

The CT equipment information of the CT data loaded in the medical image processing apparatus can be obtained from the CT equipment information of the tag information 5 recorded in the captured CT data as shown in FIG. 5. The tag information 5 of the captured CT data includes information on a modality 500, a manufacturer 510, and a product name 520. For example, the modality 500 of the tag information 5 of the CT data shown in FIG. 5 is CT imaging, the manufacturer 510 is Vatech Company Limited, and the product name (StationName) 520 ) Is PaX-i3D Smart.

When the CT equipment of the CT equipment information recognized through the tag information 5 is not recorded in the HU library, the CT image based on the HU information of the CT data in the medical image processing apparatus in the manner described above with reference to FIG. 1 Can be loaded. In addition, for CT equipment that is not in the HU library, the user can expand the HU library list by directly adding (46 in FIG. 4) equipment information of the CT equipment and HU information for each density area of the corresponding CT equipment. In addition, in the HU library, a predetermined library list may be deleted (48 in FIG. 4) according to a user manipulation input.

As another example, when the CT equipment of the CT equipment information recognized through the tag information 5 is not recorded in the HU library, the user may directly adjust the HU through the HU adjustment interface (see FIG. 2). Furthermore, the HU library can be customized for each user by including not only HU information for each density area of a CT image, but also color information and transparency information for each density area that can be adjusted by a user such as a density area.

6 is a view showing an alveolar bone region represented by a color map based on density information of a density region according to HU information according to an embodiment of the present invention.

Referring to FIG. 6, when the implant structure for each CT device expresses an area in contact with a patient's alveolar bone or an alveolar bone area such as an alveolar bone as a color map, each CT device is similar to the method described above with reference to FIGS. 4 and 5 Based on the HU value, the HU library is pre-configured by setting the density area of the alveolar bone, which is divided into D1~D5 or D1~D4. For example, as shown in Fig. 6, the density information for each density area of the alveolar bone area of the equipment having [Manufacture: Osstem, product name: T1] is recorded in the HU library and stored in advance. It is possible to determine whether the alveolar bone is cartilage (soft bone), intermediate bone (normal bone), or tibia (hard bone) through the classification of D1~D5 or D1~D4.

Thereafter, when CT data is captured, the device information included in the tag information of the captured CT data is checked, and the HU information in the HU library corresponding to the identified device is activated, and the activated HU information is reflected in the color map of the loaded alveolar bone region. To indicate. The color map is a method of displaying the alveolar bone model by applying different colors according to the bone quality. Accordingly, the user can establish an implant structure placement plan while checking the HU information of the alveolar bone displayed on the screen in the form of a color map. Further, although an example of the alveolar bone is shown in FIG. 6, it may be extended and applied to other anatomical structures.

7 is a diagram illustrating a flow of a method of establishing an implant surgery plan using HU information for each CT device according to an embodiment of the present invention.

Referring to FIG. 7, the medical image processing apparatus configures a HU library in which HU information is recorded for each CT device (S710). In the HU library construction step S710, the medical image processing apparatus may pre-configure and store a HU library recorded by matching each CT device for each CT device with HU information of each density area constituting the CT image. The library list of the HU library can be added or deleted.

In the HU library configuration step (S710), the medical image processing apparatus is customized for each user by configuring the HU library with HU information for each density area of the CT image, as well as color information and transparency information for each density area that can be adjusted by the user. The HU library can be constructed.

Subsequently, the medical image processing apparatus acquires CT equipment information from the photographed CT data and recognizes the CT equipment of the CT data (S720). In the CT equipment recognition stage S720 of CT data, the medical image processing apparatus may acquire CT equipment information from tag information recorded in the captured CT data and recognize the CT equipment from the acquired CT equipment information. The tag information may include information on a modality, a manufacturer, and a product name (StationName).

Subsequently, the medical image processing apparatus checks HU information corresponding to the CT equipment recognized in the HU library, reflects the confirmed HU information to the CT data, and provides a CT image (S730).

In step S730 of providing a CT image according to an exemplary embodiment, the medical image processing apparatus checks whether the recognized CT equipment is recorded in the HU library. At this time, a predetermined density area is initially set for the confirmed CT device, or a density area to be expressed as a CT image is selected and input from the HU library by the user. Subsequently, HU information matching the density area initially set in the HU library or selected by the user is checked, and the confirmed HU information is reflected on the CT image of the density area and loaded.

If the recognized CT equipment is not recorded in the HU library, a CT image can be loaded based on HU information of the CT data. As another example, if the recognized CT equipment is not recorded in the HU library HU information can be adjusted through the HU adjustment interface.

Further, the medical image processing apparatus may configure a HU library in which density information for each density area is recorded based on HU information for an alveolar bone area for each CT device. Thereafter, the equipment information included in the tag information of the captured CT data is checked to recognize the CT equipment, and the density information for each density area of the HU library corresponding to the recognized equipment is checked. Subsequently, the confirmed density information may be reflected in the form of a color map on the loaded alveolar bone region and provided.

So far, the present invention has been looked at around the embodiments. Those of ordinary skill in the art to which the present invention pertains will be able to understand that the present invention may be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative point of view rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

Claims (18)

Configuring a HU library in which HU information is recorded for each CT device;
Acquiring CT equipment information from the captured CT data to recognize CT equipment of the CT data; And
Checking HU information corresponding to the CT equipment recognized in the HU library and reflecting the confirmed HU information to the CT data to provide a CT image;
Implant surgery plan establishment method comprising a. The method of claim 1, wherein constructing the HU library
A method for establishing an implant surgery plan, characterized in that a HU library recorded by matching each CT device for each CT device and HU information of each density area constituting the CT image is configured in advance. The method of claim 1, wherein constructing the HU library
A method for establishing an implant surgery plan, characterized in that a HU library is customized for each user as the HU library includes HU information for each density area of the CT image, as well as color information and transparency information for each density area that can be adjusted by the user. . The method of claim 1, wherein constructing the HU library
Configuring and providing a user interface for additional input of a HU library list, and expanding the HU library according to a user manipulation through the user interface; And
Configuring and providing a user interface for deleting a predetermined library list from the HU library, and reducing the HU library according to a user operation through the user interface;
Implant surgery plan establishment method comprising at least one of. The method of claim 1, wherein the step of recognizing CT equipment of CT data
Acquires CT equipment information from the tag information recorded in the captured CT data, and recognizes CT equipment from the acquired CT equipment information,
The tag information is an implant surgery plan establishment method, characterized in that it includes information on the inspection method (Modality), manufacturer (Manufacturer) and product name (StationName). The method of claim 1, wherein providing a CT image
Checking whether the recognized CT equipment is recorded in the HU library;
Initially setting a predetermined density area for the identified CT equipment, or receiving a selection input from the HU library for a density area to be expressed as a CT image by a user; And
Checking HU information matching the density area initially set in the HU library or selected by the user, and reflecting the confirmed HU information on the CT image of the density area and loading;
Implant surgery plan establishment method comprising a. The method of claim 1, wherein the method of establishing an implant surgery plan
Constructing a HU library in which density information for each density area is recorded based on HU information for the alveolar bone area for each CT device;
Recognizing the CT equipment by checking equipment information included in the tag information of the photographed CT data, and checking density information for each density area of the HU library corresponding to the recognized equipment; And
Providing the checked density information in the form of a color map on the loaded alveolar bone region;
Implant surgery plan establishment method, characterized in that it further comprises. The method of claim 1, wherein the method of establishing an implant surgery plan
Loading a CT image based on HU information of CT data when the recognized CT equipment is not recorded in the HU library;
Implant surgery plan establishment method, characterized in that it further comprises. The method of claim 1, wherein the method of establishing an implant surgery plan
In case the recognized CT equipment is not recorded in the HU library Adjusting HU information through the HU adjustment interface;
Implant surgery plan establishment method, characterized in that it further comprises. A storage unit in which a HU library in which HU information is recorded for each CT device is stored;
A data acquisition unit that acquires photographed CT data;
Compose a HU library, acquire CT equipment information from the obtained CT data, recognize the CT equipment of the CT data, check the HU information corresponding to the recognized CT equipment in the HU library stored in the storage, and then use the confirmed HU information A controller configured to configure a CT image by reflecting the data; And
An output unit that displays a CT image configured by the control unit;
Medical image processing apparatus comprising a. The method of claim 10, wherein the control unit
A medical image processing apparatus, characterized in that, for each CT device, a HU library recorded by matching and recording HU information of each CT device and each density area constituting the CT image is configured in advance and stored in a storage unit. The method of claim 10, wherein the control unit
The HU library includes HU information for each density area of the CT image, as well as color information and transparency information for each density area that can be adjusted by the user, so that the HU library is customized for each user and stored in the storage unit. Medical image processing device. The method of claim 10, wherein the control unit
A user interface for additionally inputting a HU library list or deleting a predetermined library list from the HU library is displayed on the screen through the output unit, and the HU library is expanded or contracted according to a user operation through the user interface. Medical image processing device. The method of claim 10, wherein the control unit
Acquires CT equipment information from the tag information recorded in the captured CT data, and recognizes CT equipment from the acquired CT equipment information,
The tag information is a medical image processing device, characterized in that it includes information on a test method (Modality), a manufacturer (Manufacturer), and a product name (StationName). The method of claim 10, wherein the control unit
Check whether the recognized CT device is recorded in the HU library, and if a predetermined density area is initially set for the confirmed CT device or the density area to be expressed as a CT image is selected and input from the HU library by the user, the HU library A medical image processing apparatus, characterized in that after checking HU information initially set in or matching the density area selected by the user, and loading the confirmed HU information on a CT image of the density area. The method of claim 10, wherein the control unit
For each CT device, a HU library that records density information for each density area based on HU information for the alveolar bone area is configured and stored in the storage unit, and the device information included in the tag information of the captured CT data is checked to recognize the CT device. A medical image processing apparatus, characterized in that, after checking the density information for each density area of the HU library corresponding to the recognized equipment, the checked density information is reflected in the form of a color map to the loaded alveolar bone area and provided. The method of claim 10, wherein the control unit
A medical image processing apparatus, comprising: loading a CT image based on HU information of CT data when the recognized CT equipment is not recorded in the HU library. The method of claim 10, wherein the control unit
In case the recognized CT equipment is not recorded in the HU library A medical image processing apparatus comprising configuring a HU adjustment interface and displaying it on a screen through an output unit, and adjusting HU information according to a user manipulation through the HU adjustment interface.

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