Abstract: Methods and devices for noise filtering of a three-dimensional scanner are disclosed. The scan image processing method according to one embodiment comprises: acquiring first scan data values regarding a surface of an object; acquiring second scan data values regarding the surface of the object; determining first vectors connecting the first scan data values from a virtual focus, or second vectors connecting the second scan data values from the virtual focus; determining whether first vectors intersect the second scan data values or second vectors intersect the first scan data values; and, if at least one of the first vectors intersects at least one of the second scan data values, deleting a data value associated with the intersected first vector, and, if at least one of the second vectors intersects at least one of the first scan data values, deleting the first scan data value that intersects with the second vector.

Abstract: The present invention relates to a three-dimensional intraoral scanner specifically comprising: a case which can be inserted into and withdrawn from the oral cavity, and has an opening portion which is open to allow the form of the inside of the oral cavity (hereinafter, referred to as an ‘image’) to be incident into the case in the form of light via an end portion thereof; at least one camera which is arranged inside the case to transmit the light incident via the opening portion of the case; a light projector which is arranged on one side of the at least one camera and emits light into the oral cavity via the opening portion; and a single polarized filter which positioned between the at least one camera and the opening portion at a position spaced a set distance (d) from the front end of the at least one camera. Thus, the present invention provides the advantages of making it possible to manufacture a product having a slim size and improve the reliability with which an object to be measured can be measured.

Abstract: Embodiments of the disclosure relate to an intraoral image processing method and an intraoral image processing device, wherein the intraoral image processing method according to an embodiment may include obtaining three-dimensional intraoral data that is data from scanning an object, generating a base, based on the three-dimensional intraoral data, generating, based on the base, a cylinder that penetrates through a wall of the base, generating a drain hole by deleting data corresponding to the cylinder from teeth model data including the base, and displaying the teeth model data in which the drain hole is generated.

Abstract: A wireless scanning system according to the present disclosure comprises: a wireless scanner which scans an object to acquire image data; a communication hub which receives the image data transmitted from the wireless scanner; a processing device which is connected to the communication hub and displays the image data received by the communication hub; and a pairer which is disposed in at least one of the wireless scanner or the communication hub and is configured to connect the wireless scanner and the communication hub to each other.

Abstract: A data processing apparatus for processing an intraoral model and a method of operating the data processing apparatus are disclosed. The data processing apparatus includes a memory storing one or more instructions, and a processor configured to execute the one or more instructions to, display an intraoral model including one or more teeth, select a target tooth from among the one or more teeth included in the intraoral model, and display transparently an area of the intraoral model included in a transparent processing area located in a screen direction based on a clipping plane located at a predetermined distance from the target tooth in the screen direction.

Abstract: The method according to one aspect of the present disclosure is a method being performed by an electronic device comprising at least one processor, the method comprising: acquiring at least one two-dimensional scan image by scanning of the three-dimensional scanner and generating a three-dimensional scan data set regarding a subject's oral cavity based on the acquired at least one two-dimensional scan image, the three-dimensional scan data set comprising multiple three-dimensional coordinate values; generating first plane data corresponding to a virtual occlusal plane; determining multiple reference coordinate values based on the three-dimensional scan data set; generating second plane data corresponding to an occlusal plane of the subject's oral cavity based on the multiple reference coordinate values; and aligning the three-dimensional scan data set on the virtual occlusal plane by matching the first plane data with the second plane data.

Abstract: Methods and apparatus for recording a process of constructing a three-dimensional image model based on information acquired from a three-dimensional scanner are provided. An electronic device according to the present disclosure comprises: a communication circuit communicatively connected to a three-dimensional scanner; an input device; a display; and at least one processor, wherein the at least one processor is configured to: generate a three-dimensional image of a shape of an oral cavity, based on an image acquired from the three-dimensional scanner; display, on the display, a screen comprising a first region in which at least the three-dimensional image is displayed; receive a user input for selectively recording a predetermined region of the screen; and generate a video image by recording a region of the screen corresponding to the user input in response to the user input, and wherein the recorded region comprises a portion of the first region.

Abstract: Provided are an intraoral image processing device and an intraoral image processing method. The intraoral image processing method includes obtaining scan data with respect to an intraoral cavity comprising an object, obtaining, from the scan data, first shape information of an object tooth of the object, the object tooth being an object of a die model, obtaining second shape information for determining a shape of the die model, and, based on the first shape information and the second shape information, obtaining the die model.

Abstract: Provided are an intraoral image processing device and an intraoral image processing method. The intraoral image processing method includes obtaining scan data regarding an object, determining a die insertion direction based on the scan data of the object, and obtaining a die model set in the die insertion direction.

Abstract: An image processing device according to the present disclosure comprises, a tool detachably coupled to one end of a scanner body, the scanner body having one end to which the tool is coupled, and a control unit configured to control an operation of the scanner body corresponding to the tool. An image processing method using an image processing apparatus, the method comprising, a tool attachment operation in which a user attaches a predetermined tool to a scanner body, a tool attachment/detachment identification operation in which a control unit determines attachment/detachment of the tool to/from the scanner body, a tool distinguishing operation in which the control unit distinguishes a type of the tool, and a scanner control operation in which the control unit controls an operation of the scanner body in response to the type of the tool.

Abstract: Provided are a method and device for processing an oral image according to embodiments. The oral image processing method includes displaying adjacent tooth data adjacent to preparation tooth data and restoration data for restoration of the preparation tooth data, receiving an input for adjusting adaptation between the restoration data and the adjacent tooth data, processing the adaptation between the restoration data and the adjacent tooth data in response to the received input, and displaying the restoration data adapted according to the processed adaptation.

Abstract: According to various embodiments of the present disclosure, an electronic device is configured to obtain scan data values for a surface of a target object through a scan of a three-dimensional scanner, the scan data values including a three-dimensional coordinate value, generate a three-dimensional image model of the target object based on the obtained scan data values, divide the three-dimensional image model into multiple clusters, determine at least one cluster having a size equal to or smaller than a predetermined size among the multiple clusters, and remove scan data values associated with the at least one cluster.

Abstract: Provided is a method for processing an oral image, the method including scanning two or more of a maxillary base model, a mandibular base model, and an abutment model together to obtain a multiple model image, scanning an occlusal model to obtain an occlusal model image, the occlusal model having a shape in which the maxillary base model and the mandibular base model are occluded, and aligning overlapping regions from the multiple model image and the occlusal model image to obtain a three-dimensional oral model, wherein the abutment model is detachable from the base model.

Abstract: Disclosed embodiments relate to an image processing method and an image processing apparatus. An image processing method according to an embodiment may include obtaining an oral image including data about at least one tooth and data about a restoration, obtaining, based on the oral image, an intersection area where a first tooth of the at least one tooth and the restoration overlap each other, and obtaining a final image of the restoration by cutting data corresponding to the intersection area from the data about the restoration.

Abstract: Disclosed is an intra image processing method including obtaining a first intraoral image, and obtaining a second intraoral image, into which input additional information is embedded, by embedding the input additional information into at least a partial area of the first intraoral image.

Abstract: The present disclosure relates to a single pattern shift projection optical system for a 3D scanner, which shifts and projects a pattern image for 3D scanning. The single pattern shift projection optical system for a 3D scanner of the present disclosure comprises: a plurality of light sources each emitting light in different constant wavelength bands; a pattern member that transmits only a portion of the light generated from each of the plurality of light sources as patterned light; and a refracting member disposed on a path of light passing through the pattern member to refract and transmit the patterned light.

Abstract: A method of adding text on a three-dimensional model representing an object includes obtaining three-dimensional text data corresponding to at least one character, displaying the three-dimensional text data and the three-dimensional model on a screen, determining whether the three-dimensional text data and the three-dimensional model are combinable with each other based on whether the three-dimensional text data with a certain offset applied thereto and the three-dimensional model intersect each other, and displaying a result of the determining on the screen.

Abstract: An image processing apparatus and an image processing method, according to the present invention, may sense an identifier positioned in a tip to identify unique information such as a serial number of the tip, and may update tip use information assigned to the identified unique information. In some cases, in connection with updating the tip use information, the use information may also be selectively updated based on the type of a scan target to be scanned. Alternatively, a scanning operation of the image processing apparatus may be restricted when a predetermined elapsed time from the removal to the mounting of the tip after scanning an oral cavity is not ensured. Due to the above-mentioned configuration, a user can conveniently recognize when to replace the tip.

Abstract: The present disclosure relates to a three-dimensional intraoral scanner which, in particular, includes: a case which may be drawn in and out of the oral cavity, and has an opening for introducing, into the case, via an end part thereof, the appearance of the oral cavity (hereinafter, image) in the form of light; at least one camera arranged inside the case, and allowing the light introduced via the opening of the case to pass; a light projector which is arranged on one side of the at least one camera and which radiates light into the oral cavity via the opening; an optical element provided to be rotatable while tilting so as to reflect or bend the path of the light from the at least one camera and the light projector from inside the case; and a light path change unit for moving the optical element so as to be adjustable. Therefore, the three-dimensional intraoral scanner may easily obtain image data for the entire oral cavity of a patient.

Abstract: A method of processing a three-dimensional oral cavity model may include: obtaining a first three-dimensional oral cavity model generated by scanning an object; obtaining a margin line of the first three-dimensional oral cavity model; and obtaining a second three-dimensional oral cavity model in which the margin line is represented by changing an attribute of data corresponding to a position of the margin line obtained in the first three-dimensional oral cavity model.