CN113303759A - Method and system for controlling operation of oral scanner - Google Patents
Method and system for controlling operation of oral scanner Download PDFInfo
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- CN113303759A CN113303759A CN202010121588.1A CN202010121588A CN113303759A CN 113303759 A CN113303759 A CN 113303759A CN 202010121588 A CN202010121588 A CN 202010121588A CN 113303759 A CN113303759 A CN 113303759A
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
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Abstract
The invention provides an operation method and a system for controlling an oral scanner, wherein the method comprises the following steps: generating an operation instruction according to a preset operation received by a user interface; displaying a scanning mode setting menu according to the operation instruction, wherein the scanning mode setting menu comprises a plurality of mode options for scanning and taking images; and executing a corresponding scanning mode according to the mode setting result received by the user interface so that the oral cavity scanner performs projection image capture according to the scanning parameter setting in the scanning mode. The invention is provided with a scanning mode setting menu, and performs projection image capture according to scanning parameter setting in a corresponding scanning mode by executing the corresponding scanning mode, so that an operator can adjust the setting of the scanning parameter according to requirements, oral scanning is more conveniently and intelligently completed, and the effect of improving scanning quality is finally achieved.
Description
Technical Field
The invention relates to the field of oral scanning, in particular to an operation method and system for controlling an oral scanner.
Background
Generally, in the process of establishing a three-dimensional depth image, a user (such as a medical staff) usually performs optical scanning (for example, a scanning method of projecting a structured Light with a specific pattern by using a Digital Light Processing (DLP) projection technology or projecting a linear laser beam by using a laser Light source) on the upper and lower jaw areas in the oral cavity of a patient in a way of an oral cavity scanner (IOS), so that a corresponding three-dimensional depth image can be displayed on a screen after image recognition and synthesis are performed by a back-end host for reference in subsequent tooth implantation or denture fabrication.
In the prior art, the oral scanner generally adopts factory preset fixed parameters for image capture. However, when the teeth in the mouth of a patient are scanned, the imaging quality is not good due to different external factors, such as different real tooth color plaque, different materials of artificial teeth, or surface attachments such as saliva, and the like, which causes problems such as failure of the three-dimensional modeling procedure.
Disclosure of Invention
The invention aims to provide an operation method for controlling an oral cavity scanner and a system thereof, which can set scanning parameters according to a scanning mode selected by a user, so that the oral cavity scanner can perform projection image capture according to the scanning parameters to complete oral cavity scanning.
To achieve the above object, the present invention provides a method of controlling an operation of an oral scanner, the method comprising: generating an operation instruction according to a preset operation received by a user interface; displaying a scanning mode setting menu according to the operation instruction, wherein the scanning mode setting menu comprises a plurality of mode options for scanning and taking images; and executing a corresponding scanning mode according to the mode setting result received by the user interface so that the oral cavity scanner performs projection image capture according to the scanning parameter setting in the scanning mode.
Preferably, the step of setting the oral scanner to perform projection imaging according to the scanning parameters in the scanning mode specifically includes: the scanning mode corresponds to the preset scanning parameters so that the oral cavity scanner performs projection image capture according to the scanning parameters; or the sub-menu in the scanning mode has a plurality of sub-scanning modes, the plurality of sub-scanning modes respectively correspond to the preset scanning parameters, and the oral scanner sets the result according to the sub-scanning mode received by the user interface so as to perform projection image capture.
Preferably, the plurality of sub-scanning patterns are respectively set corresponding to different types and/or materials of teeth.
Preferably, the step of setting the oral scanner to perform projection imaging according to the scanning parameters in the scanning mode specifically includes: the oral cavity scanner receives the manual setting of the scanning parameters in the scanning mode so as to perform projection image capturing according to the scanning parameters.
Preferably, before the step of receiving the manual setting of the scanning parameters by the oral scanner in the scanning mode to perform projection imaging according to the scanning parameters, the method further includes: the oral cavity scanner performs at least one projection imaging in the scanning mode, and the user interface displays the scanning result of the at least one projection imaging.
Preferably, the step of setting the oral scanner to perform projection imaging according to the scanning parameters in the scanning mode specifically includes: and receiving the scanning result of the oral cavity scanner in the scanning mode at least once, thereby determining or adjusting the scanning parameter, so that the oral cavity scanner performs projection imaging according to the scanning parameter.
Preferably, the step "receives a scanning result of the oral cavity scanner in the scanning mode at least once, so as to determine or adjust the scanning parameter, so that the oral cavity scanner performs projection imaging according to the scanning parameter. The method specifically comprises the following steps: step S301, the oral scanner performs projection imaging on an object to be scanned to obtain a scanning result; step S302, decoding the scanning result to obtain two-dimensional image information and/or three-dimensional depth information of the scanning result; step S303, judging whether the scanning parameter needs to be adjusted according to the two-dimensional image information and/or the three-dimensional depth information; step S304, if yes, after adjusting the scanning parameter, repeatedly executing steps S301 to S303.
Preferably, the step of adjusting the scanning parameters if yes specifically includes: a plurality of groups of scanning parameters are preset in the scanning mode, and if the scanning parameters need to be adjusted, any other group in the plurality of groups of scanning parameters is switched to be set; or if the scanning parameters need to be adjusted, synchronously adjusting all the numerical values in the scanning parameters.
Preferably, the scanning parameters include one or more of a projection brightness of the projection light source, an exposure parameter of the image sensor, and a gain parameter of the image sensor.
In addition, the present invention also provides an oral scanning system, comprising: an oral scanner; and an image processing device in data connection with the oral scanner, the image processing device comprising: the receiving module is used for generating an operation instruction according to the preset operation received by the user interface; the display module is used for displaying a scanning mode setting menu according to the operation instruction, and the scanning mode setting menu comprises a plurality of mode options for scanning and taking images; and the execution module is used for executing a corresponding scanning mode according to the mode setting result received by the user interface so as to enable the oral cavity scanner to perform projection image taking according to the scanning parameter setting in the scanning mode.
Compared with the prior art, the operation method and the system for controlling the oral scanner provided by the invention are provided with the scanning mode setting menu, and the projection image capture is carried out according to the scanning parameter setting in the corresponding scanning mode by executing the corresponding scanning mode, so that an operator can adjust the setting of the scanning parameter according to the requirement, the oral scanning is more conveniently and intelligently completed, and the effect of improving the scanning quality is finally achieved.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for controlling an operation of an oral scanner according to an embodiment of the present invention;
fig. 2 is a schematic interface diagram of a scan mode setting menu according to an embodiment of the present invention;
FIG. 3 is a schematic interface diagram of a scan mode setting menu according to another embodiment of the present invention;
fig. 4 is a flow chart of a method of controlling the operation of an oral scanner according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of an application of the oral scanning system according to an embodiment of the present invention;
fig. 6 is a block diagram of an image processing apparatus according to an embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Certain terms are used throughout the description and following claims to refer to particular components. As one of ordinary skill in the art will appreciate, manufacturers may refer to a component by different names. The present specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to.
Referring to fig. 1 to 6, fig. 1 is a schematic flow chart of a method for controlling an operation of an oral scanner according to an embodiment of the present invention, fig. 2 is a schematic interface of a scan mode setting menu according to an embodiment of the present invention, fig. 3 is a schematic interface of a scan mode setting menu according to another embodiment of the present invention, fig. 4 is a schematic flow chart of a method for controlling an operation of an oral scanner according to another embodiment of the present invention, fig. 5 is a schematic application diagram of an oral scanning system according to an embodiment of the present invention, and fig. 6 is a schematic block diagram of an image processing apparatus according to an embodiment of the present invention.
As shown in fig. 1, the present invention provides a method for controlling the operation of an oral scanner 1, the method comprising:
step S100, generating an operation instruction according to a preset operation received by a user interface;
step S200, displaying a scanning mode setting menu according to an operation instruction, wherein the scanning mode setting menu comprises a plurality of mode options for scanning and taking images;
step S300, according to the mode setting result received by the user interface, executing a corresponding scanning mode, so that the oral cavity scanner performs projection image capturing according to the scanning parameter setting in the scanning mode.
In practical applications, the oral scanner 1 may include a projection image capturing module, wherein the projection image capturing module at least has a projection light source and an image sensor, and the oral scanner 1 is configured to capture a plurality of scanned images of each tooth within a target scanning range. The projection Light source may be a Digital Light Processing (DLP) module, a 3LCD projection module, a Liquid Crystal on Silicon (LCos) projection module, a laser projection module, or other projection modules. The image sensor may be a Charge-coupled Device (CCD) sensor, a Complementary Metal-Oxide Semiconductor (CMOS) sensor, or other sensors.
In addition, the oral scanning system 10 further includes an image processing device 2, the image processing device 2 can be in data connection with the oral scanner 1 to obtain a scanning result, the scanning result can include a two-dimensional image and/or a three-dimensional depth image, and preferably, the image processing device 2 can further obtain two-dimensional image information and three-dimensional depth information according to the two-dimensional image and/or the three-dimensional depth image. In the present application, the image processing apparatus 2 may further provide an operation end system for receiving an operation of an operator, so as to execute the steps S100 to S300.
In one embodiment, the scanning parameters may include one or more of a projection brightness of the projection light source, an exposure parameter of the image sensor, and a gain parameter of the image sensor. For example, the longer the exposure time, the more the sum of photons reaching the surface of the CCD/CMOS, the brighter the acquired image tone, and conversely, the darker the acquired image tone, and on the premise of no exposure, the increased exposure time can increase the signal-to-noise ratio to make the image clear. The gain parameter may be an amplification gain of the analog signal after double sampling, that is, the sensitivity of the image sensor to light is increased to change the photosensitivity of the image sensor.
In step S100, an operation instruction is generated according to a preset operation received by the user interface. The operator can operate the image processing device through an operation body, wherein the operation body can be a finger, a touch pen or a touch glove of the operator; and the operation instruction may include one or more of clicking, selecting and sliding operation.
In steps S200 to S300, a scan mode setting menu is displayed according to the operation instruction, the scan mode setting menu including a plurality of scan image capturing mode options; and executing a corresponding scanning mode according to a mode setting result received by the user interface so that the oral cavity scanner performs projection image capture according to the scanning parameter setting in the scanning mode. As shown in fig. 2, the scan mode setting menu may include mode options including: a preset mode, a material selection mode, a manual adjustment mode, an automatic training mode, etc.
For example, the scanning parameters in the preset mode may be default values set when the oral scanner leaves a factory, or set values set by scanning when the oral scanner is started last time, and the operator cannot manually adjust the scanning parameters through the setting menu, that is, the preset mode corresponds to the preset scanning parameters, and when the operator selects the preset mode to scan, the oral scanner 1 directly sets the scanning parameters in the preset mode to perform projection image capture.
Referring to fig. 2 again, after the operator selects the material selection mode, the sub-menu in the mode further has a plurality of sub-scanning modes for the operator to select, it can be understood that the plurality of sub-scanning modes respectively correspond to the preset scanning parameters, and the operator can select one of the plurality of sub-scanning modes through the operation body, so that the oral scanner completes projection image capture according to the scanning parameter setting corresponding to the selected sub-scanning mode.
Preferably, the sub-menu in the material selection mode of the present application may include a plurality of sub-scanning modes configured for different types and/or materials of teeth, such as: the sub-menu in the material selection mode may further include sub-scanning modes corresponding to other materials, which is not limited in the present application.
Referring to fig. 3, after the operator selects the manual adjustment mode, the operator can set the scan parameters through the operation body. Preferably, after the oral scanner 1 enters the manual adjustment mode, the projection orientation module can automatically perform at least one projection image capture in the manual adjustment mode, and display the scanning result of the projection image capture through the user interface, for example, display the scanned two-dimensional image and/or three-dimensional depth image through the user interface, so that an operator can determine the adjustment value required by each scanning parameter according to the current scanning result, thereby completing the setting of the scanning parameters.
When the oral scanner 1 enters the automatic training mode, the image processing device 2 may adjust the scanning parameters according to the at least one scanning result to control the oral scanner 1 to perform projection imaging. As shown in fig. 4, in step S301, a projection image of an object to be scanned 3 (e.g., a tooth) is captured to obtain a scanning result; step S302, decoding the scanning result to obtain two-dimensional image information and/or three-dimensional depth information of the scanning result; step S303, judging whether the scanning parameters need to be adjusted or not according to the two-dimensional image information and/or the three-dimensional depth information; step S304, if yes, after adjusting the scanning parameters, repeatedly executing steps S301 to S303. It is understood that, if it is determined that no adjustment is needed, step S305 is executed to end the process and set the current scanning parameters as the most preferable ones to control the oral scanner 1 to perform projection imaging according to the scanning parameters.
Preferably, a plurality of sets of scanning parameters for debugging may be preset in the image processing apparatus 2, and if the scanning parameters need to be adjusted, the image processing apparatus 2 may switch any other set of the plurality of sets of scanning parameters to perform new parameter setting; alternatively, the image processing apparatus 2 may also perform adjustment such as increase or decrease of the scanning parameters in synchronization, thereby completing new parameter setting.
Specifically, after the oral scanner 1 completes at least one projection image capture, the image processing device 2 decodes the scanning result to obtain two-dimensional image information and/or three-dimensional depth information. The two-dimensional image information may include a pixel gray scale value of a block in the image, and the three-dimensional depth information may include a depth value in the three-dimensional depth image, and the image processing apparatus 2 may determine whether the scanning parameter corresponding to the current scanning result needs to be adjusted by presetting threshold values of a plurality of numerical values in the two-dimensional image information and the three-dimensional depth information.
In addition, if the oral scanner 1 performs multiple projection imaging, the image processing device 2 can further determine which scanning parameter corresponding to the scanning result is the best value according to the variation of the pixel gray-scale value and/or the depth value. For example, the variation curve can be obtained by a plurality of sets of pixel gray-scale values and/or depth values, and the scan parameter corresponding to the peak of the curve can be selected as the most preferable one. The image processing apparatus 2 may also determine the scan parameter in other manners, and the above embodiment is only an example, and the present invention is not limited thereto.
Further, after the image processing device 2 completes the determination of the scanning parameters, the user can be prompted in a display reminding or voice broadcasting mode, so that the user can conveniently perform the next oral scanning operation.
In specific implementation, after the operator selects the automatic training mode through the image processing device 2, the oral scanner 1 may be moved to a scanning start position (e.g., a specific tooth), the projection image capturing module is actively triggered to perform projection image capturing, at least one scanning result is individually sampled and decoded, and finally, the optimal scanning parameters are determined according to the identification indexes and the operator is prompted to finish correction, thereby conveniently and intelligently completing oral scanning.
In addition, the present application also provides an oral cavity scanning system 10, as shown in fig. 5 and 6, the oral cavity scanning system 10 includes: an oral scanner 1 and an image processing device 2 connected to the same. Wherein, oral cavity scanner 1 includes that the projection is got for instance the module, and image processing apparatus 2 includes: the receiving module 100 is configured to generate an operation instruction according to a preset operation received by a user interface; a display module 200, configured to display a scan mode setting menu according to an operation instruction, where the scan mode setting menu includes multiple scan image capture mode options; the executing module 300 is configured to execute a corresponding scanning mode according to the mode setting result received by the user interface, so that the oral cavity scanner performs projection image capture according to the scanning parameter setting in the scanning mode.
In one embodiment, the oral scanner 1 and the image processing device 2 may be connected by wire or wirelessly, and the image processing device 2 may be an electronic device with computing capability. Preferably, the receiving module 100 and the display module 200 in the image processing apparatus 2 may be a Touch Panel (TP) and a Liquid Crystal Display (LCD), respectively. If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from an operator. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The execution module 300 may include one or more processors to execute instructions to perform all or part of the steps of the method described above. Furthermore, execution module 300 may include one or more modules that facilitate interaction between execution module 300 and other components. For example, the execution module 300 may include a multimedia module to facilitate interaction between the display module 200 and the execution module 300.
Preferably, the image processing apparatus 2 may further have a storage module 400, and the storage module 400 is configured to store various types of data to support operations at the image processing apparatus 2. Examples of such data include instructions for any application or method operating on the image processing apparatus 2, preset scan parameters, image information, and the like. The memory module 400 may also be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
In summary, the operation method and system for controlling the oral scanner 1 provided by the present invention are provided with the scan mode setting menu, and perform projection image capture according to scan parameter settings in the corresponding scan mode by executing the corresponding scan mode, so that an operator can adjust the settings of the scan parameters according to needs, thereby completing oral scanning more conveniently and intelligently, and finally achieving the effect of improving scanning quality.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. A method of controlling operation of an oral scanner, the method comprising:
generating an operation instruction according to a preset operation received by a user interface;
displaying a scanning mode setting menu according to the operation instruction, wherein the scanning mode setting menu comprises a plurality of mode options for scanning and taking images;
and executing a corresponding scanning mode according to the mode setting result received by the user interface so that the oral cavity scanner performs projection image capture according to the scanning parameter setting in the scanning mode.
2. The method as claimed in claim 1, wherein the step of setting the oral scanner to perform projection imaging according to the scan parameters in the scan mode includes:
the scanning mode corresponds to the preset scanning parameters so that the oral cavity scanner performs projection image capture according to the scanning parameters; or
The sub-menu under the scanning mode has a plurality of sub-scanning modes, the plurality of sub-scanning modes are respectively corresponding to the preset scanning parameters, and the oral scanner sets a result according to the sub-scanning mode received by the user interface so as to perform projection image capture.
3. The method of claim 2, wherein the plurality of sub-scanning patterns are respectively configured for different types and/or materials of teeth.
4. The method as claimed in claim 1, wherein the step of setting the oral scanner to perform projection imaging according to the scanning parameters in the scanning mode includes:
the oral cavity scanner receives the manual setting of the scanning parameters in the scanning mode so as to perform projection image capturing according to the scanning parameters.
5. The method as claimed in claim 4, wherein before the step of the oral scanner receiving the manual setting of the scanning parameters in the scanning mode for projection imaging according to the scanning parameters, the method further comprises:
the oral cavity scanner performs at least one projection imaging in the scanning mode, and the user interface displays the scanning result of the at least one projection imaging.
6. The method as claimed in claim 1, wherein the step of setting the oral scanner to perform projection imaging according to the scan parameters in the scan mode includes:
and receiving the scanning result of the oral cavity scanner in the scanning mode at least once, thereby determining or adjusting the scanning parameter, so that the oral cavity scanner performs projection imaging according to the scanning parameter.
7. The method as claimed in claim 6, wherein the step of receiving the scanning result of the oral cavity scanner in the scanning mode at least once, so as to determine or adjust the scanning parameter, so that the oral cavity scanner performs projection imaging with the scanning parameter. The method specifically comprises the following steps:
step S301, the oral scanner performs projection imaging on an object to be scanned to obtain a scanning result;
step S302, decoding the scanning result to obtain two-dimensional image information and/or three-dimensional depth information of the scanning result;
step S303, judging whether the scanning parameter needs to be adjusted according to the two-dimensional image information and/or the three-dimensional depth information;
step S304, if yes, after adjusting the scanning parameter, repeatedly executing steps S301 to S303.
8. The method of claim 7, wherein the step of adjusting the scan parameters if yes comprises:
a plurality of groups of scanning parameters are preset in the scanning mode, and if the scanning parameters need to be adjusted, any other group in the plurality of groups of scanning parameters is switched to be set; or
If the scanning parameter needs to be adjusted, each numerical value in the scanning parameter is synchronously adjusted.
9. The method of claim 1, wherein the scanning parameters include one or more of a brightness of the projection light source, an exposure parameter of the image sensor, and a gain parameter of the image sensor.
10. An oral scanning system, comprising:
an oral scanner; and
an image processing device in data connection with the oral scanner, the image processing device comprising:
the receiving module is used for generating an operation instruction according to the preset operation received by the user interface;
the display module is used for displaying a scanning mode setting menu according to the operation instruction, and the scanning mode setting menu comprises a plurality of mode options for scanning and taking images;
and the execution module is used for executing a corresponding scanning mode according to the mode setting result received by the user interface so as to enable the oral cavity scanner to perform projection image taking according to the scanning parameter setting in the scanning mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010121588.1A CN113303759A (en) | 2020-02-26 | 2020-02-26 | Method and system for controlling operation of oral scanner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010121588.1A CN113303759A (en) | 2020-02-26 | 2020-02-26 | Method and system for controlling operation of oral scanner |
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| CN113303759A true CN113303759A (en) | 2021-08-27 |
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| CN202010121588.1A Withdrawn CN113303759A (en) | 2020-02-26 | 2020-02-26 | Method and system for controlling operation of oral scanner |
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| CN106572831A (en) * | 2014-05-07 | 2017-04-19 | 阿莱恩技术有限公司 | Identification of areas of interest during intraoral scans |
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| CN110537160A (en) * | 2017-03-20 | 2019-12-03 | 3 形状股份有限公司 | 3D beam scanner system with hand-held scanner |
| CN110621259A (en) * | 2017-03-09 | 2019-12-27 | 马辛宾科夫斯基N-实验室 | Intraoral scanning device, method of operating such a device and scanner system |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106572831A (en) * | 2014-05-07 | 2017-04-19 | 阿莱恩技术有限公司 | Identification of areas of interest during intraoral scans |
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| US20170289523A1 (en) * | 2016-03-30 | 2017-10-05 | Vatech Co., Ltd. | Dental intraoral scanner system |
| CN110621259A (en) * | 2017-03-09 | 2019-12-27 | 马辛宾科夫斯基N-实验室 | Intraoral scanning device, method of operating such a device and scanner system |
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Application publication date: 20210827 |