Abstract: This application provides a face living body detection method performed by a computing device, the method including: obtaining a first face image of a target detection object in a first illumination condition and a second face image of the target detection object in a second illumination condition, determining a difference image according to the two images, decoupling an object reflectivity and an object normal vector corresponding to the target detection object from a feature map extracted from the difference image, and determining whether the target detection object is a living body according to the object reflectivity and the object normal vector. This method decouples texture information and depth information of a face, and performs living body detection by using decoupled information, which increases the defense capability against 3D attacks, thereby effectively defending against planar attacks and 3D attacks.

Abstract: The present application disclosures a double production line and a rapid prefabrication process of a segmental beam. The double production line including two production machine and a track system provided on the construction ground; the production machine includes a fixed end mold, two side molds, a bottom mold trolley, a middle internal mold trolley and two side internal mold trolley; two side molds are positioned on two sides of the fixed end mold respectively, the fixed end mold and two side molds together define a pouring position with an end opening, two openings of the pouring position are arranged facing each other; the track system includes a transverse track and a longitudinal track communicated with each other, two pouring positions are both positioned in the extension path of the transverse track, and the longitudinal track is positioned between two pouring positions.

Abstract: A molding device and a molding method for an optical fiber preform are provided. The molding device includes a rotating mechanism, an extrusion mechanism, and a cylinder mold that is of a cylindrical structure with two ends each having an opening. After a hollow cladding sleeve is obtained by rotating the cylinder mold through the rotating mechanism, a molten core glass is then reversely extruded into the cladding sleeve in the cylinder mold from bottom to top by the extrusion mechanism to prepare the optical fiber preform.

Abstract: Disclosed herein are polynucleotides encoding multi-epitope polypeptides and assemblies thereof, and their use for treating or limiting Toxoplasma gondii infection.

Abstract: Some embodiments of the disclosure provide methods and systems for evaluating vegetation connectivity. In some embodiments, the disclosure provide a method including: acquiring vegetation patch vector data of a research area, extracting a geometric center from the vegetation patch vector data, and constructing the geometric center into a network node combination; constructing, according to a split-and-merge algorithm, the network node combination into Delaunay triangulation networks that are connected to but not overlap with each other; calculating and summarizing connectivity between a patch to which each node in the Delaunay triangulation network belongs and a patch to which an adjacent node belongs, to obtain overall connectivity between the patch to which each node belongs and the patch to which the adjacent node belongs; and performing spatial integrated expression processing on connectivity of each independent patch to obtain a spatial measurement result of vegetation connectivity of the research area.

Abstract: System testing is described. An example system testing method includes: acquiring module relationship information for a system under test, the system under test including a plurality of modules, the module relationship information indicating a logical relationship between each two of the plurality of modules; and testing at least two modules in the system under test based on the module relationship information, the at least two modules being associated with each other for the same function implemented by the system under test. By use of the technical solution of the present disclosure, both system and module perspectives can be applied to system integration testing, so as to achieve a more comprehensive system testing coverage and find problems in the system under test as soon as possible, which can help to improve the system testing coverage and system testing efficiency.

Abstract: A data processing method includes receiving an event data stream, where the event data stream includes at least a first event data item and a second event data item, the first event data item includes a first timestamp for obtaining the first event data item, the second event data item includes a second timestamp for obtaining the second event data item, and the second event data item is obtained most recently before obtaining the first event data item; and obtaining a compressed event data stream corresponding to the event data stream, where the compressed event data stream includes at least a first compressed event data item corresponding to the first event data item, and the first compressed event data item includes first time information.

Abstract: A computer-implemented method dynamically switches access plans for a query during concurrent query execution. The method includes receiving a first query configured to be processed by a database system. The method also includes generating, for the first query, an access plan for each of identified resource sets. The method includes determining a first set of available resources that represent an available capacity for the database system. The method further includes selecting a first resource set of the one or more resource sets, where the selecting is based on the first set of available resources being closest to the first resource set. The method also includes selecting, based on the first set of available resources, a first access plan of the one or more access plans. The method includes executing the first query and returning results of the first query to a source of the first query.

Abstract: This application provides a packaging structure, including an antenna in package and a radio frequency chip that are packaged together, where the antenna in package is fastened on the radio frequency chip. The antenna in package includes a radiator and at least two feeding parts, the at least two feeding parts are electrically connected to the radio frequency chip, the radio frequency chip is configured to receive or transmit a radio frequency signal, and at least one of the at least two feeding parts provides differential feeding for the radiator. This application further provides a network device and a terminal device, to reduce an antenna size and make the antenna easier to mount.

Abstract: Disclosed is a pyridazinone compound represented by Formula (I), or a pharmaceutically acceptable salt, prodrug, hydrate, solvate, polymorph, stereoisomer, or isotopic variant thereof. The compound can be used for preparation of medicinal products for treatment and/or prophylaxis of a disease or condition associated with thyroid hormone abnormalities. The compound has higher selectivity to TH?, better pharmacokinetic parameters, desired stability, and higher agonistic activity toward TH?.

Abstract: The present invention discloses a webpage edition system and a method thereof. The webpage edition system comprises an edition unit and a transform unit. The transform unit includes a plurality of syntax transform modules. Each syntax transform module is corresponding to a webpage edition instruction. A portion of each webpage edition instruction is defined by a natural language-based syntactic structure. The edition unit uses one or a combination of more than two of the plurality of webpage edition instructions to form a webpage edition instruction set. While executing the webpage edition instruction set, the edition unit takes the corresponding syntax transform module from the transform unit to convert each webpage edition instruction set into a webpage element.

Abstract: The present application discloses a task scheduling method based on an improved particle swarm optimization algorithm, which includes: obtaining task data to be scheduled, encoding particles according to the task data; iterating the particles by a particle swarm optimization algorithm; in response to that the particle swarm optimization algorithm does not fall into a local optimal solution, outputting a scheduling scheme; and in response to that the particle swarm optimization algorithm falls into the local optimal solution, outputting the scheduling scheme by fusing the particle swarm optimization algorithm with a cuckoo search algorithm. The present application introduces a cuckoo search algorithm when the particle swarm optimization algorithm falls into a local optimal solution, solving the dilemma of the particle swarm optimization algorithm falling into a local optimal solution, while improving the global search capability of the algorithm.

Abstract: Described are improved systems, computer program products, and methods for a new local rolling online patching solution to a database server with minimized disruption to other instances during patching. For a one-node database server, it achieves single rolling online patching by starting a new instance of the same database from the newly patched home before shutting down the collocated instance running out of the old home.

Abstract: A photodiode chip, a photodiode, and a method for controlling a wavelength of a photodiode are provided. The photodiode chip sequentially incudes, above a substrate, a grating layer and a ridge waveguide layer. The ridge waveguide layer includes multiple ridge waveguides. Each of the multiple ridge waveguides corresponds to one column of gratings in the multiple columns of gratings below. The grating layer includes multiple columns of gratings. At least two columns of gratings have different grating period pitches.

Abstract: A projection device includes a housing and a bracket assembly. The housing has a first side wall and a second side wall connected to each other, the first side wall has a connecting portion and a limit groove, the limit groove has a curved section and a linear section connected to each other. The second side wall has a projection hole. The bracket assembly includes an adapter and a bracket. The adapter is movably connected to the connecting portion. The bracket is pivotally connected to the adapter and has a limit post extending into the limit groove. When the limit post moves to the linear section, the adapter is adapted to move in the connecting portion and drives the limit post to move in the linear section, so the bracket can be closer to the projection hole and the effect of covering the projection hole by the bracket is improved.

Abstract: A direct drive motor includes a base, a stator assembly provided on the outer periphery of the base, a rotating shaft assembly provided in the base, and a rotor assembly connected to the rotating shaft assembly and covering the stator assembly. The base includes an inner end, an outer end, and a receiving chamber passing through the inner end and the outer end. The rotating shaft assembly is rotatably mounted in the receiving chamber. A first circuit board is mounted at the inner end; a recess is formed in the outer end; a second circuit board is mounted in the recess; and the first circuit board is connected to the second circuit board. When being applied to an apparatus such as an intelligent device and an intelligent robot, the direct drive motor is good in stability, high in intelligence, reliable in overall structure, and strong in practicability.

Abstract: An apparatus has a current spreading base with an n-contact. The current spreading base has a small n-type resistivity to promote lateral electron flow. A current spreading cap is on top of the current spreading base. The current spreading cap has a large n-type resistivity to suppress vertical electron flow and promote lateral electron flow. An active region is on top of the current spreading cap. A p-type structure is on top of the active region with a p-contact. Sheet resistance of the current spreading base is experimentally established, the half width xF of a mesa is selected and the current spreading cap thickness hc is selected to collectively promote uniform current injection into the active region.

Abstract: A substrate structure includes an AlN template layer formed on a substrate. Depressions sealed by the AlN template layer are formed on a surface of the substrate at an interface between the substrate and the AlN template layer, the sealed depressions contain discrete depressions and depression networks and have a lateral size in the range of 20-100 nm, a vertical dimension in the range of 20-100 nm, and a density in the range of 1.0×109-2.0×1010 cm?2. The substrate structure is used for light-emitting diodes with improved optical output power efficiency.

Abstract: An object processing method includes: displaying a first operation interface in response to triggering a first operation control of a first stage of a target object, the first operation interface including at least one first operation item; displaying a content input interface in response to completing an operation for the at least one first operation item, the content input interface including at least one input item; in response to completion of content input for the at least one input item, determining a second target value and generating a second operation control corresponding to a second stage of the target object; displaying a second operation interface in response to triggering the second operation control, the second operation interface including at least one second operation item; and updating the state of the target object to a completed state in response to completing an operation for the second operation item.

Abstract: A method for comprehensively analyzing and/or evaluating cigarette burning quality index is disclosed. The steps include collecting cigarette burning quality index data, filtering the cigarette burning quality index data, standardizing cigarette data, and measuring cigarette burning quality. The importance of the cigarette burning quality indicators can also be evaluated. The method for comprehensively analyzing and/or evaluating cigarette burning quality indicators can reflect general laws more accurately by maintaining the sample distribution through a singularity detection method, and analyzing correlations of each index with cigarette performance from multiple perspectives, to fuse them into a comprehensive measurement value. The importance ranking and weight of indicators can be obtained more completely and stably.