Abstract: Embodiments of the present disclosure relate to a method and apparatus for processing scanning data, an electronic device, and a medium. The method includes: obtaining a plurality of scanned images including auxiliary feature points; and processing the plurality of scanned images to obtain three-dimensional coordinate points of the auxiliary feature points, and generating target scanning data based on the three-dimensional coordinate points of the auxiliary feature points and point cloud data.

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 relates to a data processing method, an electronic device, and a storage medium. The method includes: acquiring a plurality of closing motion trajectories of a mandible of a user; acquiring a plurality of intersection points between each of a plurality of preset planes and the plurality of closing motion trajectories; determining the highest density point from the plurality of intersection points for each preset plane; and obtaining a muscular closure path by connecting the multiple highest density points corresponding to the plurality of the preset planes.

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: Liquid crystal antenna box, antenna, and method of manufacturing the antenna box are provided. The antenna box includes first baseplate, second baseplate, liquid crystal layer, and insulation layer. The first baseplate includes a first substrate and a first metal layer. The first metal layer includes a ground part and a via between the ground parts. The second baseplate includes a second substrate and a second metal layer. The second metal layer includes a phase shifter and an interval groove between the phase shifters. Surface spacing between the phase shifter, and the insulation layer in the via or a surface of the first substrate close to the second substrate, surface spacing between the ground part, and the insulation layer at the interval groove or a surface of the second substrate close to the first substrate, and surface spacing between the ground part and the phase shifter, are equal.

Abstract: Microfluidic device and application method thereof are provided. The microfluidic device includes a first substrate and a second substrate that are oppositely arranged along a first direction; and a first storage box and a second storage box that are oppositely arranged along the first direction. The first direction is a thickness direction of the microfluidic device. The first storage box includes a first storage cavity and a first opening communicating with the first storage cavity, and the first substrate is fixed in the first storage cavity. The second storage box includes a second storage cavity and a second opening communicating with the second storage cavity, and the second substrate is fixed in the second storage cavity. Along the first direction, the first opening is arranged opposite to the second opening and the first storage box is nested with the second storage box.

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: An antenna, a formation method of the antenna, and an antenna group are provided in the present disclosure. The antenna includes a first substrate, a second substrate, a third substrate and a feed source. A first frequency selective surface is on a side of the first substrate; a reflective layer is on a side of the second substrate; a first electrode layer is on a side of the third substrate; and the third substrate is on a side of the second substrate away from the first substrate, and liquid crystal molecules are between the second substrate and the third substrate; or the third substrate is on a side of the first substrate away from the second substrate, and liquid crystal molecules are between the third substrate and the first substrate. The feed source is on the side of the second substrate or on the side of the third substrate.

Abstract: The present application discloses a three-dimensional reconstruction method, an apparatus, an electronic device and a computer-readable storage medium. The three-dimensional reconstruction method includes: a scanner acquiring data of a target scene, wherein the data includes an area of a target object; the scanner encoding and compressing the data to obtain encoded-and-compressed data; the scanner sending the encoded-and-compressed data to a computer terminal, so that the computer terminal performs a three-dimensional reconstruction or performs a display three-dimensionally using the encoded-and-compressed data to obtain a three-dimensional model of the target object; the scanner may switch data transmission modes between the scanner and the computer terminal, where the data transmission modes include a wireless transmission and a wired transmission, and may improve an efficiency of the wireless transmission while improving a user experience.

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 application provides a three-dimensional reconstruction method, an electronic device and a storage medium, the method includes obtaining a first image frame set of an oral cavity in a first state, where the oral cavity in the first state indicates that at least one actual scan body is installed in the oral cavity. A scan body area of each image frame in the first image frame set is identified. Once multiple image frames in the first image frame set are spliced and constructed based on feature information of the scan body area, the target three-dimensional data corresponding to the actual scan body in the oral cavity is obtained.

Abstract: In embodiments a component includes a semiconductor layer sequence having a p-side semiconductor layer, an n-side semiconductor layer and an active zone located therebetween, wherein the active zone has a multiple quantum well structure including a plurality of quantum barrier layers and quantum well layers, the quantum barrier layers and the quantum well layers being arranged alternately along a vertical direction, wherein the active zone has at least one recess having facets extending obliquely to a main surface of the active zone, the recess being opened towards the p-side semiconductor layer, wherein, at least within the recess, the quantum barrier layers are n-doped and have a non-constant doping profile so that the component is configured to increase transport negatively charged charge carriers, from the n-side semiconductor layer towards the p-side semiconductor layer, based on the non-constant doping profile, and wherein, from the n-side semiconductor layer towards the p-side semiconductor layer, dopa

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: A manufacturing method of a heat pipe structure is provided. Firstly, a step S1 is performed. An original heat pipe structure is provided. The original heat pipe structure includes an enclosed space in a sealed state and an original wick structure disposed within the enclosed space. Then, a step S2 is performed. Portion of the original heat pipe structure is deformed to form a deformation portion. The deformation portion clamps portion of the original wick structure. The enclosed space is separated into two subspaces. Then, a step S3 is performed. The deformation portion is cut to separate the two subspaces to form two heat pipe structures.

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.