Abstract: Certain aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for beam determination, multi-user transmission, and channel state variance information (CSVI) reporting in a holographic multiple input multiple output (MIMO) system.

Abstract: This application provides a task migration system and method. The system includes a first terminal and a second terminal. The second terminal runs a first application. The first terminal opens a recent task interface after receiving a user operation, where the recent task interface includes an identifier of the second terminal; after receiving a user operation performed on the identifier of the second terminal, displays, in the recent task interface, at least one task card corresponding to an application run by the second terminal in the background; and after receiving a user operation performed on a first task card corresponding to the first application, runs the first application, and displays a first user interface of the first application.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to obtain volumetric data of at least one three-dimensional (3D) visual content, derive a mesh from a frame of the volumetric data, the mesh including a plurality of base mesh vertices, determine a displacement of at least one vertex, that is not of the base mesh vertices, based on a series of projections from at least one of the plurality of base mesh vertices that is a neighboring one of the plurality of base mesh vertices to the at least one vertex, predicting the at least one vertex based at least on the determined displacement, and encode the volumetric data based on the predicted at least one vertex.

Abstract: A display panel and a fabricating method thereof, and a displaying device. The display panel includes a substrate, a resistance reducing trace, an inter-layer-medium layer and a signal line. The substrate is divided into a plurality of sub-pixel regions and a pixel separating region. The resistance reducing trace is provided on the pixel separating region of the substrate. The inter-layer-medium layer is provided on the substrate, and the inter-layer-medium layer has an opening exposing the resistance reducing trace. The signal line is provided within the opening, the signal line is connected to the resistance reducing trace, the signal line is distributed in a column direction along the display panel, and in a row direction along the display panel, a width of the opening is greater than or equal to a width of the signal line.

Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.

Abstract: A system for a decentralized cloud-storage solution operated within a P2P network. The decentralized cloud-storage solution includes a system and specific operations that not only performs data-classification analysis on an end-user's data, but also enhances a data-distribution mechanism with route distances related to geographical factors and facilitates a block-chained technology implemented for decentralized cloud storages; thereby reducing the risks on data storage and facilitating a user's big data transactions through a shared P2P network.

Abstract: One aspect provides a system and method for provisioning an access point (AP) in a wireless mesh network. During operation, a controller can obtain a set of published global encryption parameters comprising a master public key, apply an identity-based encryption (IBE) scheme to encrypt a configuration message based at least on the master public key, and transmit the encrypted configuration message to a proxy device, which forwards the encrypted configuration message to the AP. The proxy device is coupled to the controller via a previously established secure communication channel and coupled to the AP via an open communication channel. The AP can decrypt the encrypted configuration message using an AP-specific secret key generated based on a unique identifier of the AP and a master private key corresponding to the master public key, thereby facilitating provisioning of the AP based on the configuration message.

Abstract: Method, apparatus, and system for texture coordinate prediction for mesh compression are provided. The process may include receiving, for a mesh, a coordinate of a first vertex and a coordinate of a prediction candidate vertex in a three dimensional (3D) space. The process may include determining a stretch perpendicular distance associated with the first vertex and the prediction candidate vertex, the stretch perpendicular distance being based on a conversion of the 3D space into a two dimensional (2D) space, and determining a 2D texture coordinate of the first vertex based on the stretch perpendicular distance associated with the first vertex and the prediction candidate vertex. The process may also include determining a residual of a predicted coordinate of the first vertex and an actual 2D coordinate of the first vertex; and compressing the mesh based on entropy coding the residual.

Abstract: The federated learning system includes a moderator and client devices. Each client device performs a method for verifying model update as follows: receiving a hash function and a general model; training a client model according to the general model and raw data; calculating a difference as an update parameter between the general model and the client model, sending the update parameter to the moderator; inputting the update parameter to the hash function to generate a hash value; sending the hash value to other client devices, and receiving other hash values; summing all the hash values to generate a trust value; receiving an aggregation parameter calculated according to the update parameters; inputting the aggregation parameter to the hash function to generate a to-be-verified value; and updating the client model according to the aggregation parameter when the to-be-verified value equals the trust value.

Abstract: Aspects of the disclosure provide methods and apparatuses for mesh coding (e.g., compression and decompression). In some examples, an apparatus for mesh coding includes processing circuitry. The processing circuitry decodes a plurality of initial maps in two-dimension from a bitstream carrying a three-dimensional (3D) mesh frame. The processing circuitry determines at least two sampling rates associated with different portions of the plurality of initial maps and recovers from the plurality of initial maps and based on the at least two sampling rates associated with the different portions of the plurality of initial maps to obtain a plurality of recovered maps. A first portion of the plurality of initial maps is recovered based on a first sampling rate, and a second portion of the plurality of initial maps is recovered based on a second sampling rate. The processing circuitry reconstructs the 3D mesh frame based on the plurality of recovered maps.

Abstract: A processing circuitry decodes a plurality of maps in 2D from a bitstream carrying a mesh frame. The mesh frame represents a surface of an object with polygons. The plurality of maps includes a decoded geometry map and a decoded attribute map with an adaptive 2D atlas sampling applied. The processing circuitry determines at least a first sampling rate and a second sampling rate according to syntaxes signaled in the bitstream. The first sampling rate is applied to a first region of the mesh frame and the second sampling rate is applied to a second region of the mesh frame during the adaptive 2D atlas sampling. The processing circuitry reconstructs, based on the plurality of maps, at least a first vertex of the mesh frame according to the first sampling rate, and a second vertex of the mesh frame according to the second sampling rate.

Abstract: The present disclosure is directed to a semiconductor device. The semiconductor device includes a substrate, an insulating layer disposed on the substrate, a first conductive feature disposed in the insulating layer, and a capacitor structure disposed on the insulating layer. The capacitor structure includes a first electrode, a first dielectric layer, a second electrode, a second dielectric layer, and a third electrode sequentially stacked. The semiconductor device also includes a first via connected to the first electrode and the third electrode, a second via connected to the second electrode, and a third via connected to the first conductive feature. A part of the first via is disposed in the insulating layer. A portion of the first conductive feature is directly under the capacitor structure.

Abstract: A semiconductor element and a method for manufacturing the same are provided. The semiconductor element includes a plug and a via on the plug and electrically connected to the plug. The plug includes a tungsten plug and a conductive layer on the tungsten plug. The tungsten plug and the conductive layer include different materials. The tungsten plug has a first width in a lateral direction. The conductive layer has a second width in the lateral direction. The second width is greater than or equal to the first width. The conductive layer is between the via and the tungsten plug.

Abstract: A method for continuously preparing nano zinc oxide using carbon dioxide. The method includes: step 1, determining experimental materials and experimental instruments; step 2, preparing a raw material and processing the raw material; step 3, oxidizing the preprocessed emulsified zinc slurry; step 4, carbonizing the zinc-free emulsified zinc slurry; step 5, filtering and washing; and step 6, drying and calcining By using carbon dioxide as a transformation precipitant and using the carbonization method to prepare industrial by-products such as zinc slurry into alkaline zinc carbonate, the nano zinc oxide is obtained through liquid removal, impurity removal, drying, and calcination. Compared with traditional nano zinc oxide preparation methods, the method has a simple and green process flow, a wide source of raw materials, and can prepare nano zinc oxide products with different purities and particle sizes.

Abstract: The present disclosure provides an USB device and a system type determining method thereof. The system type determining method includes: determining, by the USB device, whether an USB host transmit at least one of an HID interrupt signal and an UAC1 status interrupt signal; and determining, by the USB device, a system type of the USB host according to the result of determining whether the USB host transmit at least one of the HID interrupt signal and the UAC1 status interrupt signal.

Abstract: Coding information of a mesh is received. The coding information includes a plurality of first coordinates and a plurality of second coordinates corresponding to a plurality of vertices and a texture map that are associated with the mesh. A respective first coordinate and a respective second coordinate associated with each of the plurality of vertices are normalized by adjusting the respective first coordinate based on a first factor and the respective second coordinate based on a second factor. The first factor and the second factor are associated with at least one of (i) a bit depth value indicating a coded range of the first coordinates and the second coordinates and (ii) a size of the texture map. The normalized respective first coordinate and the normalized respective second coordinate are expanded based on the first factor and the second factor respectively.

Abstract: The present application provides a tab inspection method. The method includes: determining a first start position of the tab in a second direction of the electrode plate according to a first trigger manner, where the second direction is perpendicular to the first direction; determining a second start position of the tab in the second direction of the electrode plate according to a second trigger manner; and determining, according to a distance between the second start position and the first start position, whether a position of the tab on the electrode plate deviates; where the first trigger manner is a manner for determining the start position of the tab based on a change of a height of the electrode plate in the first direction, and the second trigger manner is a manner for determining the start position of the tab based on a preset position of the tab on the electrode plate.

Abstract: The present disclosure relates to an electronic device and its execution method and a computer-readable medium. An electronic device, comprising: a memory having instructions stored thereon; a processor configured to execute instructions stored on the memory to cause the electronic device to perform the following operations: analyzing an original video stream being played to determine start time and duration of a first video stream part to be replaced in the original video stream; retrieving a second video stream part with the same duration; playing the second video stream part in a front end at the determined start time to play the original video stream in a backend; and playing the original video stream in the front end after finishing playing the second video stream part.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to obtain a mesh sequence comprising a plurality of meshes corresponding to volumetric data of at least one three-dimensional (3D) visual content, obtain a frame of the mesh sequence corresponding to the volumetric data, the frame including a plurality of vertices of a mesh of the mesh sequence, determine a motion field comprising motion vectors of the plurality of vertices of the mesh, and encode the volumetric data based on the motion field.

Abstract: An integrally formed resilient holder is configured in the form of a two-turn spiral ring body with an elongated configuration. The holder includes an upper loop and a lower loop having a size substantially different from that of the upper loop, such that pivot points are created at which the upper loop and the lower loop intersect each other. In the light of its deformability, the holder can be easily triggered to open up an entry port through which keys or rings may be introduced or removed by a simple press from the user. The holder is of high durability and versatility and is cost-effectiveness accordingly.