Abstract: A method and apparatus for matching gingival data, and a device are provided. The method includes: acquiring first data of an oral cavity in a first state, the first data including three-dimensional data of a gingiva; acquiring second data of the oral cavity in a second state, the second data including three-dimensional data of a mark point of the scanning rod mounted on a implant and scanning data corresponding to a scanning area, the scanning data including data of a gingiva and the mark point of the scanning rod in the scanning area; and performing a splicing operation on the three-dimensional data of the gingiva and the three-dimensional data of the mark point according to the scanning data of the scanning area to acquire matched data of the gingiva and the scanning rod.

Abstract: Provided are a method and an apparatus for three-dimensional reconstruction. The method includes: acquiring a first image and a second image, wherein the first image and the second image are obtained by respectively collecting a target image by a pre-calibrated binocular camera; respectively determining positions of feature points in the first image and the second image, and respectively determining a plurality of first adjacent domains corresponding to the feature points in the first image and a plurality of second adjacent domains corresponding to the feature points in the second image; matching the feature points in the first image with the feature points in the second image one to one according to matching degree between the first adjacent domains and the 10 second adjacent domains; and performing three-dimensional reconstruction of an object to be measured according to matched feature points in the first image and the second image.

Abstract: The present disclosure provides a scanning method and system of a scanning rod, and a storage medium. The method includes: scanning a scanned scene in a first scanning rod assembling status to obtain first scanning data; scanning the scanned scene in a second scanning rod assembling status to obtain second scanning data; and obtaining position information of assembly sites in the scanned scene based on the first scanning data and the second scanning data. By using a batch scanning manner in the present disclosure, the scanning rods are installed at a third assembly site and a first assembly site for scanning to obtain the first scanning data; the scanning rods are installed at the third assembly site and a second assembly site for scanning to obtain the second scanning data.

Abstract: A method and apparatus for recognizing mark points, a device, and a storage medium are provided. The method for recognizing mark points includes: acquiring a plurality of first three-dimensional coordinates corresponding to a plurality of mark points when a maxilla and a mandible are in a first pose; acquiring a plurality of second three-dimensional coordinates corresponding to the plurality of mark points when the maxilla and the mandible are in a second pose; and recognizing, according to the plurality of first three-dimensional coordinates and the plurality of second three-dimensional coordinates, first mark points located on the maxilla and second mark points located on the mandible from the plurality of mark points.

Abstract: The present disclosure discloses a Method for Processing Three-dimensional Scanning, a three-dimensional scanning device, and a computer-readable storage medium. The method includes: projecting, by a pattern projector, a plurality of lines to a surface of an object-to-be-measured; collecting, by three cameras, two-dimensional images on the surface of the object-to-be-measured to correspondingly obtain three frames of two-dimensional images; determining matching point pairs between every two of the three frames of two-dimensional images to correspondingly obtain three sets of matching point pairs; verifying matching consistency between the matching point pairs; and performing three-dimensional reconstruction on the matching point pairs with the matching consistency to obtain three-dimensional points on the surface of the object-to-be-measured.

Abstract: The present disclosure relates to a three-dimensional (3D) scanner, a 3D system, and a 3D reconstruction method. An emitting device in the three-dimensional scanner is configured to emit preset light rays that include at least two types of monochromatic light rays. A collimating device is configured to perform uniform illumination processing on the preset light rays. A pattern forming device is configured to project the preset light rays undergone uniform illumination processing as a structured light pattern. An optical path adjustment device is configured to change a transmission path of the structured light pattern to project the structured light pattern to a target object and project the structured light pattern modulated by the target object to an image acquisition device. The image acquisition device is configured to perform spectral splitting on the structured light pattern modulated by the target object and acquire split structured light patterns through multiple cameras.

Abstract: A scanning body is provided. The scanning body includes a scanning body positioning portion provided with an inner cavity. A first fastener is provided in the inner cavity. The first fastener includes a stopper portion and a fastening portion. The bottom of the scanning body positioning portion is provided with a mounting hole for the fastening portion to pass through. The bottom of the scanning body positioning portion is in limiting fit with the stopper portion along an extending direction of the inner cavity. The fastening portion passes through the mounting hole and is configured for connecting to an implant; and the inner cavity passes through the top end of the scanning body positioning portion for allowing a user to operate the first fastener.

Abstract: Disclosed in the present disclosure are a method, apparatus and system for three-dimensional reconstruction. The method includes: projecting a first image onto a surface of a measured object to obtain a second image; determining, in the first image, a plurality of candidate code elements corresponding to any code element in the second image, and determining, from the plurality of candidate code elements, a target code element corresponding to the any code element to complete matching between the code elements in the first image and the second image; and determining three-dimensional coordinates of the code elements in the second image based on a matching relationship between the code elements in the first image and the second image and predetermined three-dimensional coordinates of the code elements in the first image, and determining three-dimensional coordinates of the measured object based on the three-dimensional coordinates of the code elements to complete three-dimensional reconstruction.

Abstract: Disclosed in the present application are a method, apparatus and system for three-dimensional reconstruction. The method includes: acquiring a first image and a second image, wherein the first image and the second image are respectively obtained by means of different image collection devices collecting a predetermined code element image projected onto the surface of an object to be measured; acquiring a first target pixel point of each code element in the first image, and determining, in the second image, a matched pixel point for the first target pixel point of each code element in the first image; and determining the three-dimensional coordinates of the first target pixel point at least according to the predetermined pixel point coordinates of the first target pixel point in the first image and the predetermined pixel point coordinates of the matched pixel point in the second image, so as to complete three-dimensional reconstruction.

Abstract: A method, apparatus and device for determining tooth restoration data, and a storage medium are provided. A real tooth model of a target object and a standard prepared tooth model corresponding to the real tooth model are acquired. The real tooth model includes a tooth to be prepared, the standard prepared tooth model includes a standard prepared body corresponding to the tooth to be prepared, and the standard prepared body is a standard prepared tooth for wearing a prosthesis. The tooth to be prepared in the real tooth model is compared with the standard prepared body in the standard prepared tooth model, so as to obtain data to be restored of the tooth to be prepared. The data to be restored is data to be ground that corresponds to the restoration of the tooth to be prepared to the standard prepared body.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for processing scanning, a device, and a medium. The method includes: obtaining scanning process information based on target oral cavity information, scanning a target oral cavity based on the scanning process information to obtain customized scan post data and dental and jaw data, performing calculation based on a preset relative position relationship between a customized scan post and an adaptive scan post, as well as the customized scan post data to obtain adaptive scan post data, and aligning the dental and jaw data and the adaptive scan post data to obtain target scanning data.

Abstract: A method and apparatus for displaying scanning data, and a device and a storage medium are provided. According to the method, when a three-dimensional scanning device scans a target object on the basis of a first scanning mode, initial scanning data corresponding to the first scanning mode is displayed on an interaction interface; a first region is determined from the interaction interface; and, when the three-dimensional scanning device is switched from the first scanning mode to a second scanning mode, target scanning data corresponding to the second scanning mode is acquired, where one type of scanning data between the initial scanning data and the target scanning data is displayed inside the first region, and the other type of the scanning data between the initial scanning data and the target scanning data is displayed outside the first region.

Abstract: The present application provides a point cloud processing method and apparatus, a device, and a storage medium.

Abstract: Embodiments of the present disclosure relate to a method and system for processing intraoral scanning, an electronic device, and a medium. The method includes: obtaining a positioning mode of a scan post in response to a request for scanning an oral cavity including scan posts, scanning the oral cavity to obtain target scanning data, and performing processing based on the positioning mode of the scan post and the target scanning data to determine positioning information of the scan posts.

Abstract: A method and apparatus for rendering scanning image, and an electronic device and a storage medium are provided. The method includes: acquiring a current frame scanning image; updating information of all control points in a fusion field according to a point cloud corresponding to the current frame scanning image, to obtain a target fusion field; acquiring a display point cloud and weight of each display point in the display point cloud from the target fusion field, and based on the weight of each display point in the display point cloud, determining each display point and a rendering color of a region in which each display point is located; and rendering the display point cloud based on the rendering color, to obtain and display a rendering result.

Abstract: A three-dimensional scanner and a scanning method is provided. The three-dimensional scanner includes a bracket, at least two sets of projectors and at least two sets of cameras mounted on the bracket and a controller; different sets of projectors correspond to different scanning ranges, so that each set of projectors projects structured light onto an object to be scanned, and an image reflected by the object to be scanned is collected by one set of cameras with a corresponding focal length; the controller is configured to control one set of projectors to turn on at a same time. When any one set of projectors is turned on, control one set of cameras with a corresponding focal length to collect an image reflected by the object to be scanned.

Abstract: The present disclosure provides a scanning method and system of a scanning rod, and a storage medium. The method includes: scanning a scanned scene in a first scanning rod assembling status to obtain first scanning data; scanning the scanned scene in a second scanning rod assembling status to obtain second scanning data; and obtaining position information of assembly sites in the scanned scene based on the first scanning data and the second scanning data. By using a batch scanning manner in the present disclosure, the scanning rods are installed at a third assembly site and a first assembly site for scanning to obtain the first scanning data; the scanning rods are installed at the third assembly site and a second assembly site for scanning to obtain the second scanning data.

Abstract: A method and apparatus for displaying scanning data, and a device and a storage medium are provided. In a scanning scene, identification points of a scanning rod are identified, and state information of the various identification points are determined; and the various identification points are displayed based on the state information of the various identification points. Therefore, a scanning process and current scanning states of the identification points can be displayed.

Abstract: A scanning body is provided. The scanning body includes a scanning body positioning portion provided with an inner cavity. A first fastener is provided in the inner cavity. The first fastener includes a stopper portion and a fastening portion. The bottom of the scanning body positioning portion is provided with a mounting hole for the fastening portion to pass through. The bottom of the scanning body positioning portion is in limiting fit with the stopper portion along an extending direction of the inner cavity. The fastening portion passes through the mounting hole and is configured for connecting to an implant; and the inner cavity passes through the top end of the scanning body positioning portion for allowing a user to operate the first fastener.

Abstract: The present disclosure provides a three-dimensional imaging module and a three-dimensional scanner. The three-dimensional imaging module includes: a first camera module, a second camera module, a lens mount, a first lens group, and a second lens group, wherein the lens mount is provided with a first accommodating cavity and a second accommodating cavity, the first camera module is integrated at a bottom of the first accommodating cavity, the first lens group is integrated in the first accommodating cavity, the second camera module is integrated at a bottom of the second accommodating cavity, and the second lens group is integrated in the second accommodating cavity. The three-dimensional scanner can include: a housing; and a three-dimensional imaging module as provided in the present disclosure, wherein the three-dimensional imaging module is accommodated in the housing.