Abstract: An image processing method according to the present disclosure includes the steps of: receiving at least one image data; assigning a plurality of feature points to the at least one image data; fitting the at least one image data to have at least one of a predetermined size and a predetermined angle based on at least one feature line generated by connecting at least two of the feature points; and designing a smile line by applying at least one template to a feature region generated by the feature points of the fitted image data.

Abstract: In an alignment state indicating apparatus and method according to the present invention, scanning is performed by a scanner, raw data is formed through light incident into the scanner, 3D data is formed through the raw data, and alignment is performed. When it is determined that such an alignment process of 3D data is not performed normally, the alignment state indicating apparatus and method according to the present invention provide visual feedback to a user on an alignment error in the form of a specific pattern, thereby allowing the user to quickly recognize whether to perform the alignment. Accordingly, the alignment state indicating apparatus and method have the advantage of improving the reliability of scanning by allowing the user to scan an object closely.

Abstract: An image processing method according to the present disclosure includes the steps of receiving at least one piece of image data as an input, assigning a plurality of feature points to the image data, and modifying a part of the image data based on a feature line generated by connecting at least two of the plurality of feature points or a feature region generated by connecting at least three of the plurality of feature points.

Abstract: Provided is an area determination method for determining an area corresponding to an object from a three-dimensional model of an oral cavity. The area determination method includes: obtaining the three-dimensional model; determining a seed point on the three-dimensional model; based on the seed point, determining a reference point on the three-dimensional model; determining an area corresponding to an object, by gradually expanding a selection area based on the reference point; and displaying the determined area on the three-dimensional model.

Abstract: The present invention relates to a calibration cradle for a three-dimensional scanner. Particularly, the calibration cradle comprises: a cradle body into which a front end portion of a three-dimensional scanner is inserted and seated; a calibration pattern plate (hereinafter, abbreviated as “pattern plate”) which is disposed inside the cradle body to correct the scanning of the three-dimensional scanner; and a pattern movement part which automatically axially rotates and axially reciprocates the pattern plate in the cradle body when the three-dimensional scanner is coupled to the cradle body, whereby the present invention provides an advantage of improving the convenience and reliability of performing calibration.

Abstract: A method of providing information for dental treatment includes acquiring a design model that is generated based on a first scan model acquired by scanning a target object and is a model for an artifact to be attached to the target object, acquiring a second scan model generated by scanning the artifact manufactured based on the design model, aligning the first scan model and the second scan model, and identifying an incorrectly-made part in the second scan model, based on a result of the alignment, and generating information corresponding to the identified incorrectly-made part in the second scan model.

Abstract: Provided are a data processing device, a scanner, operating methods thereof, and computer-readable storage media having stored thereon programs for performing the operating methods. The data processing device includes a display, a communication interface, a memory storing one or more instructions, and a processor configured to execute the one or more instructions to control the communication interface to receive, from a scanner, scan data of an object obtained by scanning the object, control the display to display an image corresponding to three-dimensional data generated based on the scan data, while the image is displayed, control the communication interface to receive, from the scanner, a control signal generated according to a user input detected through one or more user interfaces of the scanner, perform a function of adjusting the generated three-dimensional data according to the control signal, and control the display to display the image, based on the adjusted three-dimensional data.

Abstract: According to embodiments, a method and apparatus for processing a three-dimensional (3D) intraoral model are provided. The method of processing a 3D intraoral model may include obtaining a tooth model and a gingival model from the 3D intraoral model, deforming the gingival model by reflecting an amount of movement of gingiva according to a displacement indicating movement of one or more teeth included in the tooth model, obtaining a final gingival model by suppressing, using one or more control factors, at least a part of the displacement indicating movement of the teeth from being reflected in the amount of movement of the gingiva, and displaying, on a display, the obtained final gingival model and a final tooth model representing movement of the one or more teeth included in the tooth model.

Abstract: A three-dimensional scan system and an operating method thereof are provided. Embodiments of the present disclosure provide a method and a three-dimensional scan system for analyzing property information of an object from at least one image obtained by imaging an object to which light is projected, and automatically changing the color of a light source projecting light to the object based on the analyzed property information.

Abstract: Provided are an intraoral image processing method and an intraoral image processing apparatus. The intraoral image processing method includes obtaining an intraoral image generated by scanning teeth, segmenting teeth of the intraoral image, generating a customized curve based on one or more teeth included in the intraoral image, and obtaining a final position of teeth by arranging teeth segmented from the intraoral image to be aligned with the customized curve.

Abstract: An intraoral scanner according to an embodiment of the present disclosure includes: a camera module comprising at least one camera; a communication unit including a first communication module configured to perform wireless communication in a first frequency band, and a second communication module configured to perform wireless communication in a second frequency band; and a processor configured to execute at least one instruction.

Abstract: Embodiments of the disclosure relate to an intraoral image processing method and an intraoral image processing apparatus, and the intraoral image processing method according to an embodiment may include obtaining an intraoral image by scanning an object including one or more teeth, generating a first tooth image from the intraoral image, generating, based on the first tooth image and tooth model data, a second tooth image including roots of the teeth, and displaying the second tooth image.

Abstract: An image processing apparatus is disclosed. The image processing apparatus includes a communicator configured to transmit or receive information to or from an intraoral scanner, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to identify an oral image obtainment mode based on tip information about a tip included in the intraoral scanner, and obtain an oral image based on two-dimensional image data received from the intraoral scanner through the communicator and the identified oral image obtainment mode, wherein the tip information may include at least one of tip fastening direction information and tip size information.

Abstract: The present disclosure relates to a method for self-investigating an optical element embedded in an intraoral scanner, and a system using the same. The reliability of an intraoral scanner may decrease due to foreign matter attached to an optical element. Accordingly, the present disclosure provides a prescribed method for investigating foreign matter attached to an optical element, and a system using the same, wherein an alarm providing notification of the need to inspect the optical element is generated when it is determined that foreign matter has stained the optical element. According to said investigation method and system, a user of an intraoral scanner can automatically determine the presence or absence of foreign matter when scanning an object (patient's affected area), and thus can service the optical element or replace a part in which the corresponding component is formed. Therefore, there is an advantage of improving the scanning efficiency and data reliability of the intraoral scanner.

Abstract: Provided is a method of setting a scan region, the method including: placing a target object on an upper surface of a jig of a three-dimensional scanner in such a manner that at least one portion of a target object image representing a shape of the target object is plotted on an input region; determining, by a control unit, a predetermined upper portion of the input region, as a scan region, from a jig image representing the shape of the jig; and generating, by the control unit, a three-dimensional model of the target object on the basis of the target object image resulting from scanning the scan region.

Abstract: The present disclosure relates to a method for processing scanned images from an intraoral scanner, an apparatus for performing the method, and a recording medium for recording instructions for performing the method. An image processing method according to some embodiments of the present disclosure, which is implemented by an electronic apparatus, may include: identifying a tooth region in a two-dimensional image of a target oral cavity; identifying, in the two-dimensional image, a first neighboring region located within a predetermined distance from a boundary of the tooth region; determining, based on a difference in depth between the tooth region and the first neighboring region, whether to include the first neighboring region in a region of interest; and generating a three-dimensional image of the target oral cavity from the two-dimensional image which includes the region of interest.

Abstract: Provided are an intraoral image processing method and an intraoral image processing apparatus. The intraoral image processing method includes obtaining three-dimensional (3D) intraoral data of a scanned object; creating a 3D intraoral image including a scanned surface area and a rear surface area of the scanned surface area, based on the 3D intraoral data; and deleting at least a portion of the rear surface area.

Abstract: An occlusion alignment method according to the present disclosure includes: extracting at least one tooth area data from upper jaw scan data and lower jaw scan data; and adjusting an occlusion position of the upper jaw scan data and the lower jaw scan data using the at least one tooth area data.

Abstract: The present invention relates to a system for displaying orthodontic information of an oral cavity and, more specifically, to a system for displaying orthodontic information of an oral cavity, the system being capable of displaying changes in the positions of teeth to be corrected and also displaying a tooth extraction state, by using oral cavity scan data obtained by scanning the shape of a patient's oral cavity for orthodontic treatment. The system for displaying orthodontic information of an oral shape, according to the present invention, enables movements of teeth for the patient's orthodontic treatment to be easily displayed or enables teeth to be extracted to be easily displayed, and enables the shape of the oral cavity after orthodontic treatment and tooth extraction are finished, to be visually displayed in an easy and quick manner, thereby facilitating the establishment of a plan for orthodontic treatment.

Abstract: An archline optimization method according to the present disclosure includes generating a Spee curve based on an arc of a circle having a predetermined radius of curvature, and changing a three-dimensional archline based on the Spee curve.